FIELD COMMISSI
FIELD COMMISSIONING OF ELECTRICAL
ONING OF ELECTRICAL
INSTALLATIONS AND EQUIPMENT
INSTALLATIONS AND EQUIPMENT
FOR GLOBAL APPLICATION
FOR GLOBAL APPLICATION
DEP 63.10.08.11-Gen.
DEP 63.10.08.11-Gen.
February 2015 February 2015
DESIGN AND ENGINEERING PRACTICE DESIGN AND ENGINEERING PRACTICE
© 2015 Shell Group of companies © 2015 Shell Group of companies
All rights reserved. No part of this document may be reproduced, stored in a retrieval system, published or transmitted, in any form or by any means, without the prior All rights reserved. No part of this document may be reproduced, stored in a retrieval system, published or transmitted, in any form or by any means, without the prior
written permission of the copyright owner or Shell Global Solutions International BV. written permission of the copyright owner or Shell Global Solutions International BV.
C C o o p p y y r r i i g g h h t t S S h h e e l l l l G G r r o o u u p p o o f f C C o o m m p p a a n n i i e e s s
. . N N o o r r e e p p r r o o d d u u c c t t i i o o n n
o o r r n n e e t t w w o o r r k k i i n n g g p p e e r r m m i i t t t t e e d d w w i i t t h h o o u u t t l l i i c c e e
n n s s e e f f r r o o m m S S h h e e l l l l . . N N o o t t f f o o r r r r e e s s a a l l e e
PREFACE PREFACE
DEP (Design and Engineering Practice) publications reflect the views, at the time of publication, of Shell Global Solutions DEP (Design and Engineering Practice) publications reflect the views, at the time of publication, of Shell Global Solutions International B.V. (Shell GSI) and, in
International B.V. (Shell GSI) and, in some cases, of other Shell some cases, of other Shell Companies.Companies.
These views are based on the experience acquired during involvement with the design, construction, operation and These views are based on the experience acquired during involvement with the design, construction, operation and maintenance of processing units and facilities. Where deemed appropriate DEPs are based
maintenance of processing units and facilities. Where deemed appropriate DEPs are based on, or reference international,on, or reference international, regional, national and
regional, national and industry standards.industry standards.
The objective is to set the standard for good design and engineering practice to be applied by Shell companies in oil and The objective is to set the standard for good design and engineering practice to be applied by Shell companies in oil and gas production, oil refining, gas handling, gasification, chemical processing, or any other such facility, and thereby to help gas production, oil refining, gas handling, gasification, chemical processing, or any other such facility, and thereby to help achieve maximum technical and economic benefit
achieve maximum technical and economic benefit from standardization.from standardization.
The information set forth in these publications is provided to Shell companies for their consideration and decision to The information set forth in these publications is provided to Shell companies for their consideration and decision to implement. This is of particular importance where DEPs may not cover every requirement or diversity of condition at each implement. This is of particular importance where DEPs may not cover every requirement or diversity of condition at each locality. The system of DEPs is expected to be sufficiently flexible to allow individual Operating Units to adapt the locality. The system of DEPs is expected to be sufficiently flexible to allow individual Operating Units to adapt the information set forth in DEPs to their own environment and requirements.
information set forth in DEPs to their own environment and requirements.
When Contractors or Manufacturers/Suppliers use DEPs, they shall be solely responsible for such use, including the When Contractors or Manufacturers/Suppliers use DEPs, they shall be solely responsible for such use, including the quality of their work and the attainment of the required design and engineering standards. In particular, for those quality of their work and the attainment of the required design and engineering standards. In particular, for those requirements not specifically covered, the Principal will typically expect them to follow those design and engineering requirements not specifically covered, the Principal will typically expect them to follow those design and engineering practices that will achieve at least the same level of integrity as reflected in the DEPs. If in doubt, the Contractor or practices that will achieve at least the same level of integrity as reflected in the DEPs. If in doubt, the Contractor or Manufacturer/Supplier shall
Manufacturer/Supplier shall, without detracting from his own respons, without detracting from his own respons bility, consult the Principal.bility, consult the Principal.
The right to obtain and to use DEPs is restricted, and is typically granted by Shell GSI (and in some cases by other Shell The right to obtain and to use DEPs is restricted, and is typically granted by Shell GSI (and in some cases by other Shell Companies) under a Service Agreement or a License Agreement. This right is granted primarily to Shell companies and Companies) under a Service Agreement or a License Agreement. This right is granted primarily to Shell companies and other companies receiving technical advice and services from Shell GSI or another Shell Company. Consequently, three other companies receiving technical advice and services from Shell GSI or another Shell Company. Consequently, three categories of users of
categories of users of DEPs can be distinguished:DEPs can be distinguished: 1)
1) Operating Operating Units Units having having a a Service Service Agreement Agreement with with Shell Shell GSI GSI or or another another Shell Shell Company. Company. The The use use of of DEPs DEPs by by thesethese Operating Units is subject in all
Operating Units is subject in all respects to the terms respects to the terms and conditions of the relevant Service Agreement.and conditions of the relevant Service Agreement. 2)
2) Other Other parties parties who who are are authorised authorised to to use use DEPs DEPs subject subject to to appropriate appropriate contractual contractual arrangements arrangements (whether (whether as as part part ofof a Service Agreement or
a Service Agreement or otherwise).otherwise). 3)
3) Contractors/subcontraContractors/subcontractors ctors and and Manufacturers/SuppliManufacturers/Suppliers ers under under a a contract contract with with users users referred referred to to under under 1) 1) or or 2)2) which requires that tenders for projects, materials supplied or - generally - work performed on behalf of the said which requires that tenders for projects, materials supplied or - generally - work performed on behalf of the said users comply with the relevant standards.
users comply with the relevant standards.
Subject to any particular terms and conditions as may be set forth in specific agreements with users, Shell GSI disclaims Subject to any particular terms and conditions as may be set forth in specific agreements with users, Shell GSI disclaims any liability of whatsoever nature for any damage (including injury or death) suffered by any company or person any liability of whatsoever nature for any damage (including injury or death) suffered by any company or person whomsoever as a result of or in connection with the use, application or implementation of any DEP, combination of DEPs whomsoever as a result of or in connection with the use, application or implementation of any DEP, combination of DEPs or any part thereof,
or any part thereof, even if it is wholly or even if it is wholly or partly caused by negligence on the part of partly caused by negligence on the part of Shell GSI or other Shell Company. TheShell GSI or other Shell Company. The benefit of this disclaimer shall inure in all respects
benefit of this disclaimer shall inure in all respects to Shell GSI and/or any Shell Company, or to Shell GSI and/or any Shell Company, or companies affiliated to thesecompanies affiliated to these companies, that may issue DEPs or advise or require the use of DEPs.
companies, that may issue DEPs or advise or require the use of DEPs.
Without prejudice to any specific terms in respect of confidentiality under relevant contractual arrangements, DEPs shall Without prejudice to any specific terms in respect of confidentiality under relevant contractual arrangements, DEPs shall not, without the prior written consent of Shell GSI, be disclosed by users to any company or person whomsoever and the not, without the prior written consent of Shell GSI, be disclosed by users to any company or person whomsoever and the DEPs shall be used exclusively for the purpose for which they have been provided to t
DEPs shall be used exclusively for the purpose for which they have been provided to t he user. They shall be returned afterhe user. They shall be returned after use, including any copies which shall only be made by users with the express prior written consent of Shell GSI. The use, including any copies which shall only be made by users with the express prior written consent of Shell GSI. The copyright of DEPs vests in Shell Group of companies. Users shall arrange for DEPs to be held in safe custody and Shell copyright of DEPs vests in Shell Group of companies. Users shall arrange for DEPs to be held in safe custody and Shell GSI may at any time require information satisfactory to them in order to
GSI may at any time require information satisfactory to them in order to ascertain how users implement this requirement.ascertain how users implement this requirement. All administrativ
TABLE OF CONTENTS TABLE OF CONTENTS 1. 1. INTRODUCTION INTRODUCTION ... ... 55 1.1 1.1 SCOPE ...SCOPE ... ... 55 1.2
1.2 DISTRIBUTION, INTENDED DISTRIBUTION, INTENDED USE AND USE AND REGULATORY CONSIDERATIONS ... REGULATORY CONSIDERATIONS ... 55 1.3
1.3 DEFINITIONS DEFINITIONS ... 6... 6 1.4
1.4 CROSS-REFERENCES CROSS-REFERENCES ... 8... 8 1.5
1.5 SUMMARY SUMMARY OF OF MAIN MAIN CHANGES CHANGES ... ... 88 1.6
1.6 COMMENTS COMMENTS ON ON THIS THIS DEP ...DEP ... ... 88 1.7
1.7 DUAL DUAL UNITS ...UNITS ... 8... 8 1.8
1.8 NON NON NORMATIVE NORMATIVE TEXT TEXT (COMMENTARY) (COMMENTARY) ... ... 88 2.
2. PROCEDURES, RESPONSIBPROCEDURES, RESPONSIB ILITIES ILITIES AND DOCUMENTAND DOCUMENTATION ATION ... ... 99 2.1
2.1 PROCEDURES PROCEDURES AND AND RESPONSIBILITIES RESPONSIBILITIES ... 9... 9 2.2
2.2 DOCUMENTATION DOCUMENTATION ... 10... 10 3.
3. TESTING TESTING AND AND COMMISSIONING MCOMMISSIONING METHODS ... ETHODS ... 1111 3.1
3.1 INSULATION INSULATION TESTING ...TESTING ... 11... 11 3.2
3.2 CONDUCTIVITY AND CONDUCTIVITY AND EARTH EARTH (GROUND) (GROUND) RESISTANCE TESTS RESISTANCE TESTS ... ... 1212 3.3
3.3 WIRING WIRING AND AND TERMINAL TERMINAL CHECKS CHECKS ... ... 1212 3.4
3.4 FUNCTIONAL FUNCTIONAL TESTS TESTS ... ... 1313 3.5
3.5 PHASING PHASING TESTS TESTS ... ... 1313 3.6
3.6 POST POST COMMISSIONING TCOMMISSIONING TESTS ... ESTS ... 1313 4.
4. TESTING TESTING AND AND COMMISSIONING COMMISSIONING PROCEDURES .PROCEDURES ... ... 1313 4.1
4.1 GENERAL GENERAL ... 13... 13 4.2
4.2 HAZARDOUS (CLASSIFIED) HAZARDOUS (CLASSIFIED) AREA AREA EQUIPMENT...EQUIPMENT... ... 1313 4.3 4.3 MOTORS MOTORS ... 14. 14 4.4 4.4 GENERATORS GENERATORS ... 15... 15 4.5 4.5 TRANSFORMERS ... 19TRANSFORMERS ... 19 4.6
4.6 BUS BUS DUCT ...DUCT ... 20. 20 4.7
4.7 SWITCHGEAR ...SWITCHGEAR ... ... 2020 4.8
4.8 MCCs MCCs AND AND SWITCHBOARDS ...SWITCHBOARDS ... ... 2121 4.9
4.9 PROTECTION...PROTECTION... ... 2222 4.10
4.10 CABLES CABLES ... 23.. 23 4.11
4.11 VARIABLE SPEED DRIVE SYSTEMS (VSDS)/ VARIABLE SPEED DRIVE SYSTEMS (VSDS)/ ADJUSTABLE SPEED DRIVEADJUSTABLE SPEED DRIVE SYSTEMS
SYSTEMS (ADSD) (ADSD) ... ... 2424 4.12.
4.12. UNINTERRUPTIBLE UNINTERRUPTIBLE POWER POWER SUPPLY SUPPLY (UPS) (UPS) ... ... 2525 4.13
4.13 EARTHING (EARTHING (GROUNDING) GROUNDING) AND AND BONDING ...BONDING ... ... 2626 4.14
4.14 BUILDINGS ...BUILDINGS ... ... 2727 4.15
4.15 LIGHTING LIGHTING ... 28. 28 4.16
4.16 ELECTRIC ELECTRIC HEAT HEAT TRACING ... TRACING ... 2828 4.17
4.17 ELECTRICAL ELECTRICAL PROCESS PROCESS HEATERS ...HEATERS ... ... 2929 4.18
4.18 CABLE CABLE SUPPORT SUPPORT SYSTEMS...SYSTEMS... ... 2929 4.19
4.19 OVERHEAD POWER OVERHEAD POWER LINES AND LINES AND OUTDOOR OUTDOOR SWITCHYARDS SWITCHYARDS ... ... 3030 4.20
4.20 MISCELLANEOUS LOW MISCELLANEOUS LOW VOLTAGE EQUIPMENT... VOLTAGE EQUIPMENT... 3131 4.21
4.21 ELECTRICAL NETWORK MONITORING AND CONTROL (ENMC) SYSTEMELECTRICAL NETWORK MONITORING AND CONTROL (ENMC) SYSTEM COMMISSIONING
COMMISSIONING ... 31... 31 4.22
4.22 INTEGRATED MOTOR INTEGRATED MOTOR CONTROL SYSTEM CONTROL SYSTEM (IMCS) (IMCS) COMMISSIONING .COMMISSIONING ... ... 3232 5.
APPENDICE
APPENDICESS
APPENDIX
APPENDIX AA INSPECTION INSPECTION AND AND TEST TEST FORMS FORMS INDEX INDEX ... ... 3636 APPENDIX B
APPENDIX B NOMOGRAM NOMOGRAM FOR TEMFOR TEMPERATURE PERATURE CORRECTION CORRECTION ... ... 3939 APPENDIX C
APPENDIX C TYPICAL TYPICAL CURVES FOR VACURVES FOR VA RIATION OF RIATION OF INSULATION RESISTANCES INSULATION RESISTANCES .... .... 4040 APPENDIX D
APPENDIX D GENERATOR GENERATOR SYNCHRONIZING SYSYNCHRONIZING SYSTEM STEM TESTING TESTING ... ... 4141 APPENDIX
APPENDIX EE RECOMMENDED TEST VOLTAGES FOR TESTING ANDRECOMMENDED TEST VOLTAGES FOR TESTING AND COMMISSIONING FOR
COMMISSIONING FOR NA NA APPLAPPL ICATIONS ...ICATIONS ... ... 4242 APPENDIX F
APPENDIX F RECOMMENDED TEST VOLTAGES FOR COMMISSIONING FORRECOMMENDED TEST VOLTAGES FOR COMMISSIONING FOR NON-NA
NON-NA APPLAPPL ICATIONS... ICATIONS... 4545 APPENDIX G
APPENDIX G RECOMMENRECOMMENDED INSULATION VALDED INSULATION VAL UES FOR EQUIPMENUES FOR EQUIPMENT OF NAT OF NA APPL
APPL ICATIONS ...ICATIONS ... ... 4848 APPENDIX H
APPENDIX H RECOMMENDED INSULATION VALUES FOR EQUIPMENT OF NON-RECOMMENDED INSULATION VALUES FOR EQUIPMENT OF NON-NA
NA APPLAPPL ICATIONS ...ICATIONS ... ... 4949 APPENDIX I
APPENDIX I TEST METHOD FOR EARTHING/TEST METHOD FOR EARTHING/GROUNGROUNDING SYSTEM - refDING SYSTEM - ref er ter t oo (4.13)...
(4.13)... ... 5151 APPENDIX I
APPENDIX Iaa EARTEARTH (GROUND) ELH (GROUND) EL ECTRODE RESISTECTRODE RESIST ANCE ... ANCE ... 5252 APPENDIX Ib
APPENDIX Ib EARTEARTH ELECTRODE RESH ELECTRODE RESISTANCE USING CLISTANCE USING CL AMP MAMP METERS ...ETERS ... .... 5454 APPENDIX
APPENDIX JJ EXAMPLES EXAMPLES OF OF DELTA/STAR DELTA/STAR TRANSFORMER CONNECTION.TRANSFORMER CONNECTION... ... 5555 APPENDIX K
APPENDIX K TRANSFORMTRANSFORMER ER OIL ...OIL ... ... 5656 APPENDIX L
APPENDIX L VT AVT A ND CT FLND CT FL ICK ICK TESTS ...TESTS ... ... 5858 APPENDIX M
1. INTRODUCTION
1. INTRODUCTION
1.1 SCOPE
1.1 SCOPE
This DEP specifies requirements and gives recommendations for field commissioning of This DEP specifies requirements and gives recommendations for field commissioning of electrical installations and equipment for global application. It covers the pre-commissioning electrical installations and equipment for global application. It covers the pre-commissioning and commissioning of new electrical installations and equipment, or the re-commissioning and commissioning of new electrical installations and equipment, or the re-commissioning of equipment following a major overhaul.
of equipment following a major overhaul.
This DEP is for global use and is harmonised with the Project Guide 14b (Commissioning This DEP is for global use and is harmonised with the Project Guide 14b (Commissioning and Start-up).
and Start-up).
Project Guide 14b has two major milestones applicable to electrical systems and Project Guide 14b has two major milestones applicable to electrical systems and equipment:
equipment:
•• Mechanical Mechanical Completion Completion (Handover 1), (Handover 1), where where systems systems and and equipment equipment are are handedhanded over having been tested in a de-energised state (for the electrical systems and over having been tested in a de-energised state (for the electrical systems and equipment this means having tests done such as continuity and insulation equipment this means having tests done such as continuity and insulation resistance but without being initially energised).
resistance but without being initially energised).
•• Pre-Commissioning (Handover 2), Pre-Commissioning (Handover 2), where where systems are systems are handed over handed over ready ready to beto be started up without the introduction of process hydrocarbons (for the electrical started up without the introduction of process hydrocarbons (for the electrical systems and equipment this means having tests done after initial energisation such systems and equipment this means having tests done after initial energisation such as light run of motors, check of switchgear operation when energised). This then as light run of motors, check of switchgear operation when energised). This then allows the commissioning and start-up team to operate systems by running pumps allows the commissioning and start-up team to operate systems by running pumps etc., run utility systems.
etc., run utility systems.
The corresponding inspection and test forms are in DEP 63.10.08.91-Gen.
The corresponding inspection and test forms are in DEP 63.10.08.91-Gen. (( Appendix Appendix A)A) provides an overview of the forms. Where activities are likely to be done outside the normal provides an overview of the forms. Where activities are likely to be done outside the normal time frame (e.g., tests that have to be completed with equipment under load, which can time frame (e.g., tests that have to be completed with equipment under load, which can only be done after commissioning of systems or even start-up of the plant), these are only be done after commissioning of systems or even start-up of the plant), these are identified separately.
identified separately. The contents of
The contents of DEP DEP 63.10.08.14-Gen. (Field 63.10.08.14-Gen. (Field Commissioning and TCommissioning and Testing of Electricalesting of Electrical Systems and Equipment for North American Application) have been combined in this DEP. Systems and Equipment for North American Application) have been combined in this DEP. This is a revision of the DEP of the same number dated September 2011; see (1.5) This is a revision of the DEP of the same number dated September 2011; see (1.5) regarding the changes.
regarding the changes. 1.2
1.2 DISTRIBUTION, DISTRIBUTION, INTENDED INTENDED USE USE AND AND REGULATORY REGULATORY CONSIDERATIONSCONSIDERATIONS
Unless otherwise authorized by Shell GSI, the distribution of this DEP is confined to Shell Unless otherwise authorized by Shell GSI, the distribution of this DEP is confined to Shell companies and, where necessary, to Contractors and Manufacturers/Suppliers nominated companies and, where necessary, to Contractors and Manufacturers/Suppliers nominated by them. Any authorized access to DEPs does not for that reason constitute an by them. Any authorized access to DEPs does not for that reason constitute an authorization to any documents, data or information to which the DEPs may refer.
authorization to any documents, data or information to which the DEPs may refer.
This DEP is intended for use in facilities related to oil and gas production, gas handling, oil This DEP is intended for use in facilities related to oil and gas production, gas handling, oil refining, chemical processing, gasification, distribution and supply/marketing. Application in refining, chemical processing, gasification, distribution and supply/marketing. Application in other facilities may also apply.
other facilities may also apply.
When DEPs are applied, a Management of Change (MOC) process shall be implemented; When DEPs are applied, a Management of Change (MOC) process shall be implemented; this is of particular importance when existing facilities are to be modified.
this is of particular importance when existing facilities are to be modified.
If national and/or local regulations exist in which some of the requirements could be more If national and/or local regulations exist in which some of the requirements could be more stringent than in this DEP, the Contractor shall determine by careful scrutiny which of the stringent than in this DEP, the Contractor shall determine by careful scrutiny which of the requirements are the more stringent and which combination of requirements will be requirements are the more stringent and which combination of requirements will be acceptable with regards to the safety, environmental, economic and legal aspects. In all acceptable with regards to the safety, environmental, economic and legal aspects. In all cases the Contractor shall inform the Principal of any deviation from the requirements of cases the Contractor shall inform the Principal of any deviation from the requirements of this DEP which is considered to be necessary in order to comply with national and/or local this DEP which is considered to be necessary in order to comply with national and/or local regulations. The Principal may then negotiate with the Authorities concerned, the objective regulations. The Principal may then negotiate with the Authorities concerned, the objective being to obtain agreement to follow this DEP as closely as possible. In general, references being to obtain agreement to follow this DEP as closely as possible. In general, references to IEC standards do not apply to North American (NA) applications.
1.3 DEFINITIONS
1.3 DEFINITIONS
1.3
1.3.1 .1 General General defindefin itiiti onsons The
The Contractor Contractor is the party that carries out all or part of the design, engineering, is the party that carries out all or part of the design, engineering, procurement, construction, commissioning or management of a project or operation of a procurement, construction, commissioning or management of a project or operation of a facility. The Principal may undertake all or part of the duties of the Contractor.
facility. The Principal may undertake all or part of the duties of the Contractor. The
The Manufacturer/Supplier Manufacturer/Supplier is the party that manufactures or supplies equipment and is the party that manufactures or supplies equipment and services to perform the duties specified by the Contractor.
services to perform the duties specified by the Contractor. The
The PrincipalPrincipal is the party that initiates the project and ultimately pays for it. The Principal is the party that initiates the project and ultimately pays for it. The Principal may also include an agent or consultant authorized to act for, and on behalf of, the may also include an agent or consultant authorized to act for, and on behalf of, the Principal.
Principal. The word
The word shallshall indicates a requirement. indicates a requirement. The word
The word shouldshould indicates a recommendation. indicates a recommendation. 1.
1.3.3.2 2 Specific Specific definitiodefinitio nsns
Term Definition
Term Definition
Au
Au thth oror izedized Electrical Pe Electrical Personrson
A Competent Electrical Person authorised by the Business Unit, to A Competent Electrical Person authorised by the Business Unit, to
supervise or to carry out specified operations on high and low voltage supervise or to carry out specified operations on high and low voltage electrical power systems and work on electrical equipment. The electrical power systems and work on electrical equipment. The authorisation may include the authority to receive a sanction for test, authorisation may include the authority to receive a sanction for test, issue and cancel limitations of access and perform the necessary issue and cancel limitations of access and perform the necessary safety procedures associated with such work or testing.
safety procedures associated with such work or testing. Certificate
Certificate Document issued by a recognised authority certifying that it hasDocument issued by a recognised authority certifying that it has examined a certain type of apparatus and, if necessary, has tested it examined a certain type of apparatus and, if necessary, has tested it and concluded that the apparatus complies with the relevant standard and concluded that the apparatus complies with the relevant standard for such apparatus.
for such apparatus. Ce
Certifirtifi cate ofcate of Conformity Conformity
Certificate stating that the electrical apparatus complies with the Certificate stating that the electrical apparatus complies with the
relevant standards for apparatus for potentially explosive atmospheres. relevant standards for apparatus for potentially explosive atmospheres. De
Declaration ofclaration of compliance compliance
Document issued by the Manufacturer declaring that the electrical Document issued by the Manufacturer declaring that the electrical apparatus complies with the requirements of IEC 60079-15.
apparatus complies with the requirements of IEC 60079-15. Electrical
Electrical
Commissioning Commissioning
Putting into service a piece of equipment or system AND Putting into service a piece of equipment or system AND
demonstrating that the equipment or system is fit for the purpose for demonstrating that the equipment or system is fit for the purpose for which it was intended. It is the last verification point prior to the official which it was intended. It is the last verification point prior to the official acceptance of that portion of the installation. Commissioning therefore acceptance of that portion of the installation. Commissioning therefore consists of on-line functional, load and performance tests.
consists of on-line functional, load and performance tests. Electrical
Electrical Pre-commissioning commissioning
Those activities which are carried out after equipment erection and Those activities which are carried out after equipment erection and prior to energizing and performance checks. Pre-commissioning is prior to energizing and performance checks. Pre-commissioning is therefore concerned with the verification of the state of the equipment, therefore concerned with the verification of the state of the equipment, quality of installation work and compliance with requirements and quality of installation work and compliance with requirements and codes. codes. Electrical Electrical Technical Technical Au Au thth oror itit yy
The discipline engineer appointed by the Principal responsible for all The discipline engineer appointed by the Principal responsible for all technical decisions associated with the work. The Electrical Technical technical decisions associated with the work. The Electrical Technical Authority is responsible for technical integrity.
Authority is responsible for technical integrity. Electrical Ne
Electrical Networtwor kk Monitoring and Monitoring and Control (ENMC) Control (ENMC) System System
Computerized system which is dedicated to monitoring and controlling Computerized system which is dedicated to monitoring and controlling defined aspects of an electrical network.
defined aspects of an electrical network.
GoCCMS
GoCCMS Construction and commissioning certification management system thatConstruction and commissioning certification management system that enables the monitoring of the inspected, tested and commissioned enables the monitoring of the inspected, tested and commissioned status of individual tagged items of equipment, sub-systems or full status of individual tagged items of equipment, sub-systems or full plant systems.
Term Definition
Term Definition
Inspection
Inspection Physical examination to determine the condition of a piece ofPhysical examination to determine the condition of a piece of
equipment. This may involve sight, sound, smell and touch and may equipment. This may involve sight, sound, smell and touch and may involve the opening of covers.
involve the opening of covers. Integrate
Integrated Motord Motor Control System Control System (IMCS)
(IMCS)
A system comprising control modules, central unit(s), a serial bus A system comprising control modules, central unit(s), a serial bus
connecting the control modules to the central unit and a connecting the control modules to the central unit and a
communication facility enabling connection of the central unit to a communication facility enabling connection of the central unit to a distributed control system (DCS) and/or a Supervisory Control and distributed control system (DCS) and/or a Supervisory Control and Data Acquisition System (SCADA).
Data Acquisition System (SCADA). Handover
Handover Transfer of responsibility and/or ownership from one party to another.Transfer of responsibility and/or ownership from one party to another. Also known as
Also known as take-over take-over or or turnover turnover . See Project Guide 14b.. See Project Guide 14b. Inverter
Inverter A converter for conversion from DC to AC. A converter for conversion from DC to AC. Nomogram
Nomogram Any graphic representation of numerical relationships. Any graphic representation of numerical relationships. Rectifier
Rectifier A converter for conversion from AC to DC. A converter for conversion from AC to DC. Test and
Test and Measurement Measurement
Verifying by means of instruments and tools the condition and the Verifying by means of instruments and tools the condition and the functioning of an item of equipment and to measure its parameters. functioning of an item of equipment and to measure its parameters. (This may include re-calibration).
(This may include re-calibration).
1.3.3 Abbreviations
1.3.3 Abbreviations
Term Definition
Term Definition
AC
AC Alternating Current Alternating Current ASD
ASD Adjustable Speed Drive Adjustable Speed Drive ATEX
ATEX French ATmospheres EXplosivesFrench ATmospheres EXplosives AVR
AVR Automatic Voltage Regulator Automatic Voltage Regulator CT
CT Current TransformerCurrent Transformer
DC
DC Direct CurrentDirect Current
DGA
DGA Dissolved Gas AnalysisDissolved Gas Analysis ETA
ETA Electrical Technical AuthorityElectrical Technical Authority FAT
FAT Factory Acceptance TestFactory Acceptance Test HOA
HOA Hand/ Off/ Auto SwitchHand/ Off/ Auto Switch HV
HV High Voltage – IEC above 1000 V (NA above 38,000 V)High Voltage – IEC above 1000 V (NA above 38,000 V) IEC
IEC International Electrotechnical CommissionInternational Electrotechnical Commission IR
IR Insulation ResistanceInsulation Resistance LV
LV Low Voltage (Voltage levels up to 1000 V)Low Voltage (Voltage levels up to 1000 V) MCC
MCC Motor Control CenterMotor Control Center
MV
MV Medium Voltage (NA definition above 1000 V and less than or equalMedium Voltage (NA definition above 1000 V and less than or equal to 38,000 V)
to 38,000 V) NA
NA North AmericaNorth America
PI
PI Polarization IndexPolarization Index
RCU
RCU Remote Control UnitRemote Control Unit
TTR
TTR Transformer Turns RatioTransformer Turns Ratio UPS
Term Definition
Term Definition
VLF
VLF Very Low FrequencyVery Low Frequency
VT
VT Voltage TransformerVoltage Transformer
VSDS
VSDS Variable Speed Drive System (same Variable Speed Drive System (same as ASD system)as ASD system)
1.4 CROSS-REFERENCES
1.4 CROSS-REFERENCES
Where cross-references to other parts of this DEP are made, the referenced section or Where cross-references to other parts of this DEP are made, the referenced section or clause number is shown in brackets ( ). Other documents referenced by this DEP are listed clause number is shown in brackets ( ). Other documents referenced by this DEP are listed in (5).
in (5). 1.5
1.5 SUMMARY SUMMARY OF OF MAIN MAIN CHANGESCHANGES
This DEP is a full revision of the DEP of the same number dated September 2011. The This DEP is a full revision of the DEP of the same number dated September 2011. The following are the main, non-editorial changes.
following are the main, non-editorial changes. Section/Clause Change
Section/Clause Change General
General Incorporation Incorporation of of text text from from DEP DEP 63.10.08.14-Gen.63.10.08.14-Gen. Appendix A
Appendix A Removal of inspection and test forms.Removal of inspection and test forms. 1.6
1.6 COMMENTS COMMENTS ON ON THIS THIS DEPDEP
Comments on this DEP may be submitted to the Administrator using one of the following Comments on this DEP may be submitted to the Administrator using one of the following options:
options:
Shell DEPs Online Shell DEPs Online (Users with access to (Users with access to Shell DEPs Online) Shell DEPs Online)
Enter the Shell DEPs Online system at Enter the Shell DEPs Online system at https://www.shelldeps.com
https://www.shelldeps.com
Select a DEP and then go to the details screen for Select a DEP and then go to the details screen for that DEP.
that DEP.
Click on the “Give feedback” link, fill in the online Click on the “Give feedback” link, fill in the online form and submit.
form and submit. DEP
DEP FeeFeedback dback SystemSystem (Users with access (Users with access toto Shell Wide Web) Shell Wide Web)
Enter comments directly in
Enter comments directly in the DEP Feedbackthe DEP Feedback System which is accessible from the
System which is accessible from the TechnicalTechnical Standards Portal
Standards Portal http://sww.shell.com/standardshttp://sww.shell.com/standards.. Select “Submit DEP Feedback”, fill in the online form Select “Submit DEP Feedback”, fill in the online form and submit.
and submit. DEP Standard Form
DEP Standard Form (Other users)
(Other users)
Use DEP Standard Form 00.00.05.80-Gen. to record Use DEP Standard Form 00.00.05.80-Gen. to record feedback and email the form to the Administrator at feedback and email the form to the Administrator at [email protected]
Feedback that has been registered in the DEP Feedback System by using one of the above Feedback that has been registered in the DEP Feedback System by using one of the above options will be reviewed by the DEP Custodian for potential improvements to the DEP. options will be reviewed by the DEP Custodian for potential improvements to the DEP. 1.7
1.7 DUAL DUAL UNITSUNITS
This DEP contains both the International System (SI) units, as well as the corresponding This DEP contains both the International System (SI) units, as well as the corresponding US Customary (USC) units, which are given following the SI units in brackets. When US Customary (USC) units, which are given following the SI units in brackets. When agreed by the Principal, the indicated USC values/units may be used.
agreed by the Principal, the indicated USC values/units may be used. 1.8
1.8 NON NON NORMATIVE NORMATIVE TEXT TEXT (COMMENTARY)(COMMENTARY)
Text shown in italic style in this DEP indicates text that is non-normative and is provided as Text shown in italic style in this DEP indicates text that is non-normative and is provided as explanation or background information only.
explanation or background information only.
Non-normative text is normally indented slightly to the right of the relevant DEP clause. Non-normative text is normally indented slightly to the right of the relevant DEP clause.
2.
2. PROCEDURES, PROCEDURES, RESPONSIBILRESPONSIBIL ITIES ITIES AND AND DOCUMENTATDOCUMENTATIONION 2.1
2.1 PROCEDURES PROCEDURES AND AND RESPONSIBILITIESRESPONSIBILITIES
2.1.1 General
2.1.1 General
1.
1. Testing and Testing and commissioning requirements commissioning requirements shall shall be ibe initially addressed nitially addressed at an at an early pointearly point in the design to ensure all testing requirements are identified, and the stage at which in the design to ensure all testing requirements are identified, and the stage at which each test is best carried out is determined (i.e., FAT, pre-commissioning or each test is best carried out is determined (i.e., FAT, pre-commissioning or commissioning). This ensures all tests are covered in the most cost effective manner commissioning). This ensures all tests are covered in the most cost effective manner and without unnecessary duplication. These requirements should form part of the and without unnecessary duplication. These requirements should form part of the Electrical Safety and Operability Review (SAFOP) review. Refer to section 2.1.2 of Electrical Safety and Operability Review (SAFOP) review. Refer to section 2.1.2 of DEP 33.64.10.10-Gen., (section 2.3 of DEP 33.64.20.10-Gen. for NA applications). DEP 33.64.10.10-Gen., (section 2.3 of DEP 33.64.20.10-Gen. for NA applications). 2.
2. Electrical installations Electrical installations and equipment iand equipment in plants n plants engineered and/or erected engineered and/or erected byby Contractors and, in general, any equipment which has been completed and is ready Contractors and, in general, any equipment which has been completed and is ready for operation, shall be subject to certain handover/turnover procedures agreed for operation, shall be subject to certain handover/turnover procedures agreed between the Contractor and the Principal before pre-commissioning.
between the Contractor and the Principal before pre-commissioning. 3.
3. The The handover handover procedures shall procedures shall state state clearly clearly the the relevant responsibilities relevant responsibilities of of ContractorContractor and Principal to provide an orderly transition during early pre-commissioning/early and Principal to provide an orderly transition during early pre-commissioning/early energisation and commissioning transitional period.
energisation and commissioning transitional period. 4.
4. The The organization organization and eand execution xecution of of pre-commissioning pre-commissioning and and commissioning commissioning activitiesactivities shall be the responsibility of the Contractor. Unless otherwise agreed by the Principal, shall be the responsibility of the Contractor. Unless otherwise agreed by the Principal, complex electrical systems (e.g., switchgear, generators, AVRs, ASDs, UPSs) shall be complex electrical systems (e.g., switchgear, generators, AVRs, ASDs, UPSs) shall be commissioned with the assistance of the Manufacturer/Supplier or 3
commissioned with the assistance of the Manufacturer/Supplier or 3rdrd party Contractor party Contractor as appropriate. The extent and level of such assistance will be dependent on the as appropriate. The extent and level of such assistance will be dependent on the experience and expertise of the site-commissioning teams.
experience and expertise of the site-commissioning teams. 5.
5. Hold/witness Hold/witness points points shall shall be be agreed agreed between between the the Contractor Contractor and and the the Principal.Principal. 6.
6. Where Where site site conditions conditions prevent prevent full full performance tests performance tests (e.g., (e.g., power power output, output, temperaturetemperature rise), agreement should be reached between the Principal and Contractor on the need rise), agreement should be reached between the Principal and Contractor on the need for such tests at a later date.
for such tests at a later date. 7.
7. If If applicable, applicable, the Pthe Principal rincipal should should have have internal internal procedures for procedures for equipment equipment acceptanceacceptance by Operations/Maintenance departments from Engineering/Construction departments. by Operations/Maintenance departments from Engineering/Construction departments. 2.1
2.1.2 .2 OperationOperation al al SafetySafety 1.
1. The necessity The necessity of safety of safety precautions during precautions during work on work on electrical electrical equipment cannot equipment cannot bebe over-emphasized. Attention is drawn to DEP 80.64.10.10-Gen. on which local safety over-emphasized. Attention is drawn to DEP 80.64.10.10-Gen. on which local safety rules and practices shall be based.
rules and practices shall be based. 2.
2. Electrical work Electrical work shall be shall be inspected for inspected for compliance with compliance with applicable codes applicable codes by theby the Authority
Authority having having jurisdiction jurisdiction or or its its delegate, delegate, in in accordance accordance with with the the laws laws of of thethe jurisdiction. For example:
jurisdiction. For example: a.
a. For projects For projects in Albein Alberta and Brta and British Columbia ritish Columbia Canada, the Canada, the electrical work electrical work shallshall be inspected for compliance using applicable safety codes as required by the be inspected for compliance using applicable safety codes as required by the Shell Quality Management Plan (Electrical Regulatory Management Plan Shell Quality Management Plan (Electrical Regulatory Management Plan (ERMP)) as approved by the Alberta Safety Codes Council and the British (ERMP)) as approved by the Alberta Safety Codes Council and the British Columbia Safety Authority.
Columbia Safety Authority. 3.
3. Since it Since it is likely is likely that the that the whole electrical whole electrical system cannot system cannot be energized be energized at one at one time, thetime, the electrical system should be tested and commissioned in sub-systems of manageable electrical system should be tested and commissioned in sub-systems of manageable size with physical controls of the boundaries e.g., application of padlocks. For safety size with physical controls of the boundaries e.g., application of padlocks. For safety reasons it is important to energize only a part of the electrical network that can be reasons it is important to energize only a part of the electrical network that can be controlled so that neighbouring systems can be worked on safely.
controlled so that neighbouring systems can be worked on safely. 4.
4. Work shall not Work shall not continue nor equipment be continue nor equipment be energized until the energized until the appropriateappropriate documentation has been signed off by the Contractor and the Electrical Technical documentation has been signed off by the Contractor and the Electrical Technical Authority or delegate.
5.
5. The steps The steps required required to connect to connect an electricaan electrical system, l system, prior prior to its to its initial energizing, initial energizing, to anto an existing electrical network, shall be jointly agreed by the authorized electrical persons existing electrical network, shall be jointly agreed by the authorized electrical persons (Contractor and Electrical Technical Authority) responsible.
(Contractor and Electrical Technical Authority) responsible. 2.
2.1.1.3 3 Protection Protection against against Explosion aExplosion and nd Fire Fire HaHazardszards 1.
1. Before startiBefore starting field ng field inspection, inspection, the Contractor the Contractor shall provide shall provide documentation of documentation of thethe qualifications and competence of the personnel carrying out inspection of electrical qualifications and competence of the personnel carrying out inspection of electrical equipment in hazardous (classified) areas, such as the CompEx or IECEx schemes. equipment in hazardous (classified) areas, such as the CompEx or IECEx schemes. 2.
2. The requirements The requirements for cofor competence of mpetence of the the personnel should personnel should be ebe embedded in mbedded in a Quala Qualityity System compliant with DEP 82.00.10.10-Gen. and national legislation.
System compliant with DEP 82.00.10.10-Gen. and national legislation. 2.
2.1.1.4 4 Flawless Flawless project deliveryproject delivery Analysis of
Analysis of past start-ups past start-ups indicates a indicates a very strong very strong correlation between correlation between successful, timelysuccessful, timely start-ups and the extent of start-up planning. Based on the lessons learnt from start-ups and the extent of start-up planning. Based on the lessons learnt from numerous projects and the common failure modes that occur during the commissioning, numerous projects and the common failure modes that occur during the commissioning, start-up and initial operating phases a Flawless Start-Up program has been developed start-up and initial operating phases a Flawless Start-Up program has been developed and successfully applied in many projects.
and successfully applied in many projects.
The recommendations for commissioning activities contained in this DEP are consistent The recommendations for commissioning activities contained in this DEP are consistent with, and support a flawless start-up programme.
with, and support a flawless start-up programme. 2.1
2.1.5 .5 MaintenancMaintenanc e e management management systsyst em em datadata 1.
1. The ContThe Contractor shall ractor shall provide to provide to the Principal, the Principal, in an in an electronic electronic database, all database, all relevantrelevant data and information associated with the electrical equipment installed. The format and data and information associated with the electrical equipment installed. The format and content of the data shall be agreed in advance with the Principal. The data is intended content of the data shall be agreed in advance with the Principal. The data is intended to be used to populate the computerized maintenance management system with to be used to populate the computerized maintenance management system with electrical equipment data.
electrical equipment data.
2.2 DOCUMENTATION
2.2 DOCUMENTATION
1.
1. The The Contractor Contractor shall shall complete complete the the inspection inspection contained contained in in DEP DEP Requisition/DatasheetRequisition/Datasheet 63.10.08.91-Gen. and listed in (Appendix A).
63.10.08.91-Gen. and listed in (Appendix A). 2.
2. The forms The forms shall shall be pre-loaded be pre-loaded with twith the data he data as recorded as recorded in the in the electrical equipmentelectrical equipment electronic database. As part of the commissioning procedures, this data shall be electronic database. As part of the commissioning procedures, this data shall be verified to be correct.
verified to be correct. 3.
3. Use Use may be may be made of made of the forthe forms listed ms listed in (Ain (Appendix A), ppendix A), or forms or forms generated directly generated directly fromfrom the database. In the latter case such forms shall contain, as a minimum, the same the database. In the latter case such forms shall contain, as a minimum, the same information as those contained in DEP Requisition/Datasheet 63.10.08.91-Gen.
information as those contained in DEP Requisition/Datasheet 63.10.08.91-Gen. 4.
4. In oIn order to rder to align with align with the Shell the Shell Certification and Certification and Completion Management Completion Management SystemSystem (GoCCMS), the
(GoCCMS), the forms in forms in requisition DEP requisition DEP 63.10.08.91-Gen. h63.10.08.91-Gen. h ave been ave been split tosplit to differentiate tests conducted during the Mechanical Completion (A tests) and during differentiate tests conducted during the Mechanical Completion (A tests) and during the pre-commissioning (B tests). If the test is to be performed during start-up, they are the pre-commissioning (B tests). If the test is to be performed during start-up, they are classified as C tests.
classified as C tests. 5.
5. In cases In cases where differences where differences are found are found to exist to exist with the with the as-installed equipment, as-installed equipment, thethe commissioning forms shall be updated with correct information. The Contractor shall commissioning forms shall be updated with correct information. The Contractor shall then upload any changes reported into the electronic database, having first checked then upload any changes reported into the electronic database, having first checked that the changes do not invalidate any part of the design.
that the changes do not invalidate any part of the design. 4.
4. For pFor pre-commissioning and re-commissioning and commissioning, commissioning, 'Form 1 'Form 1 and and Form 3' Form 3' are are applicable applicable to to allall equipment; subsequent forms shall be used as required. It is recommended that equipment; subsequent forms shall be used as required. It is recommended that vendor tests documentation be available on-site during the inspection and testing of vendor tests documentation be available on-site during the inspection and testing of equipment.
equipment. 5.
5. The CoThe Contractor may ntractor may develop adevelop additional idditional inspection forms nspection forms for efor equipment noquipment not covered, t covered, oror not fully covered in this DEP, only with agreement of the Principal.
not fully covered in this DEP, only with agreement of the Principal. 6.
6. All All deviations deviations from requirements from requirements shall shall be documented be documented on on an "ean "exception lixception list" presentedst" presented to those responsible for the installation work for their agreement and action. Any errors to those responsible for the installation work for their agreement and action. Any errors in the installation shall be corrected before installation is finally handed over.
7.
7. The The above above documentation, idocumentation, including ncluding the the updated updated electronic electronic database, shall database, shall form partform part of the official handover of plant and equipment.
of the official handover of plant and equipment. 3.
3. TESTING TESTING AND AND COMMISSIONING COMMISSIONING METHODSMETHODS 3.1
3.1 INSULATION INSULATION TESTINGTESTING
3.1.1 General
3.1.1 General
1.
1. Insulation Insulation tests shall tests shall be performed be performed at that the pre-commissioning e pre-commissioning stage and stage and prior prior to theto the energizing of equipment and cables.
energizing of equipment and cables. 2.
2. The The two two methods methods to to be be used used are:are: a.
a. Insulation Insulation Resistance Resistance (IR) (IR) testing for testing for motors, genemotors, generators, transformers, rators, transformers, LVLV switchgear and all equipment other than those items susceptible to damage by switchgear and all equipment other than those items susceptible to damage by over-voltage (e.g., electronic components);
over-voltage (e.g., electronic components); b.
b. High potential High potential AC (0.1 AC (0.1 Hz [VLF] Hz [VLF] up to up to power system frequency) power system frequency) or DC or DC testingtesting for MV (NA) and HV switchgear a
for MV (NA) and HV switchgear and MV (NA) and HV cablesnd MV (NA) and HV cables11..
NOTE
NOTE 1 1 : : High High potential potential DC DC tests tests should should not not be be done done on on XLPE XLPE cablescables
3.
3. Refer to Refer to (Appendix (Appendix E) and E) and (Appendix (Appendix G) for G) for recommended recommended test votest voltages and ltages and insulationinsulation resistance values for NA applications. For other locations, use voltage and insulation resistance values for NA applications. For other locations, use voltage and insulation resistance values from (Appendix F) and (Appendix H).
resistance values from (Appendix F) and (Appendix H). 3.1.2
3.1.2 IR IR testtest ss 1.
1. Perform IR Perform IR testing testing by by applying a applying a DC vDC voltage from oltage from an insulan insulation tester ation tester at voltage at voltage levelslevels given in (Appendix E) for NA applications and (Appendix F) for other locations.
given in (Appendix E) for NA applications and (Appendix F) for other locations. 2.
2. For correct For correct comparative incomparative interpretation of terpretation of test data, test data, carry carry out subsequent out subsequent IR tests IR tests at tat thehe same voltage level as the initial test.
same voltage level as the initial test. 3.
3. The measured The measured resistance resistance value ivalue is s also also dependent on dependent on the the temperature of temperature of the ithe insulationnsulation and shall be corrected with the use of the nomogram in (Appendix B).
and shall be corrected with the use of the nomogram in (Appendix B). 4.
4. As a As a guide, the guide, the IR of IR of windings reduces windings reduces by approximately by approximately 50 50 % for % for each 10°C each 10°C (20°F)(20°F) rise in temperature.
rise in temperature. 3.1
3.1.3 .3 PolarizatioPolarizatio n n Index Index (PI)(PI) 1.
1. PI PI testing shall testing shall be performed on be performed on all motors all motors rated above rated above 1000V. The 1000V. The PI is PI is the ratiothe ratio between the insulation resistance measured after one minute and after 10 minutes of between the insulation resistance measured after one minute and after 10 minutes of continuous testing at the appropriate voltage (PI = R
continuous testing at the appropriate voltage (PI = R 10 min10 min / R / R 1 min1 min).). 2.
2. (Appendix C) (Appendix C) shows typical shows typical curves for curves for variations of variations of insulation resistance insulation resistance and theand the values for the Polarisation Index.
values for the Polarisation Index. 3.1
3.1.4 .4 InterprInterpr etation etation of of resulresul ts ts – – IR IR and and PIPI 1.
1. Where obtaiWhere obtained IR ned IR or PI or PI values fall values fall below the below the minimum values minimum values given in given in (Appendix H),(Appendix H), equipment should not be energized or subjected to high potential testing.
equipment should not be energized or subjected to high potential testing. 2.
2. Appropriate Appropriate action action should should be be taken taken to to normalize normalize the the figures.figures. 3.
3. Where 'flash-over' occurs during Where 'flash-over' occurs during high potential high potential testing, then testing, then the the test shall test shall be be deemeddeemed to have failed and appropriate measures taken (e.g., cleaning, drying, repair) to to have failed and appropriate measures taken (e.g., cleaning, drying, repair) to eliminate the cause, following which a re-testing shall take place. The ETA or delegate eliminate the cause, following which a re-testing shall take place. The ETA or delegate should be made aware of test failures and approve re-testing.
should be made aware of test failures and approve re-testing. 3.
3.1.1.5 5 High High potential potential teststests 1.
1. Before high potential tests Before high potential tests are eare executed, insulation xecuted, insulation resistance tests resistance tests shall be shall be carriedcarried out. Refer to (3.1.2).
2.
2. High potential High potential testing of testing of electrical equipment, electrical equipment, except LV except LV cables, shall cables, shall have beenhave been carried out at the Manufacturer's works with AC at voltage levels in accordance with carried out at the Manufacturer's works with AC at voltage levels in accordance with the relevant DEP or International Standards.
the relevant DEP or International Standards. 3.
3. Repeated hRepeated high potential igh potential pressure tests pressure tests may imay introduce weak ntroduce weak points points in the in the insulation ofinsulation of windings, and therefore such tests shall
windings, and therefore such tests shall nono tt be applied at site to generators, motors or be applied at site to generators, motors or transformers. If, however, for special reasons these tests are considered to be transformers. If, however, for special reasons these tests are considered to be necessary, they shall be carried out only after consultation with the Manufacturer. necessary, they shall be carried out only after consultation with the Manufacturer. 4.
4. Should Should 'flash-over' occur 'flash-over' occur during during high potential high potential testing, then testing, then the the test test shall be shall be deemed todeemed to have failed and appropriate measures taken (e.g., cleaning, drying, repair) to eliminate have failed and appropriate measures taken (e.g., cleaning, drying, repair) to eliminate the cause, following which a re-testing shall take place.
the cause, following which a re-testing shall take place. 5.
5. The EThe ETA TA should should be be made aware made aware of tof test est failures afailures and approve nd approve re-testing.re-testing. 3.
3.1.1.6 6 Bearing Bearing insulatioinsulatio n n teststests 1.
1. The method The method of insulating of insulating bearings as bearings as a means a means of controlling of controlling shaft current shaft current dependsdepends upon the type of construction and methods employed to support the bearings.
upon the type of construction and methods employed to support the bearings. 2.
2. If the If the pedestal pedestal bearings or bearings or sleeve bearing sleeve bearing housings are housings are completely insulated completely insulated from thefrom the body of the machine, the insulation may be checked with the machine coupled and body of the machine, the insulation may be checked with the machine coupled and running at normal speed to establish an oil film in the bearing which will prevent running at normal speed to establish an oil film in the bearing which will prevent electrical contact between shaft and bearing. An ohmmeter applied across the electrical contact between shaft and bearing. An ohmmeter applied across the insulation sh
insulation should indould indicate a icate a resistance resistance of of > > 10 10 kkΩΩ or the Manufacturer’s/Supplier’sor the Manufacturer’s/Supplier’s recommendations. Values below 10 k
recommendations. Values below 10 kΩΩ shall be investigated. shall be investigated. 3.
3. If the If the bearings have bearings have internally insulated internally insulated 'shells' or i'shells' or insulated shafts, nsulated shafts, carry outcarry out measurements with the machine uncoupled (and stopped). If, however, only one measurements with the machine uncoupled (and stopped). If, however, only one bearing is insulated (contrary to DEP requirements for motors and generators), bearing is insulated (contrary to DEP requirements for motors and generators), verification is limited to the inspection of Manufacturer's/Supplier’s QC documentation. verification is limited to the inspection of Manufacturer's/Supplier’s QC documentation. 4.
4. Where Where double double insulation insulation is is applied applied to to pedestal bearings, pedestal bearings, i.e., i.e., they are they are insulated arouninsulated aroundd the bearing 'shell' and at the pedestal base, IR measurement of the 'mid-section' with the bearing 'shell' and at the pedestal base, IR measurement of the 'mid-section' with respect to ground will indicate if either insulation is bridged.
respect to ground will indicate if either insulation is bridged. 3.2
3.2 CONDUCTIVITY CONDUCTIVITY AND AND EARTH EARTH (GROUND) (GROUND) RESISTANCE RESISTANCE TESTSTESTS 3.
3.2.2.1 1 ConductivConductiv ity ity teststests 1.
1. Conductivity Conductivity tests tests shall shall be carried be carried out out on on all all field-made swifield-made switchgear tchgear busbar connbusbar connectionsections and switchgear earth (ground) system joints and a sample of factory-tested joints with and switchgear earth (ground) system joints and a sample of factory-tested joints with a high-current micro-ohmmeter test set in order to establish their tightness and a high-current micro-ohmmeter test set in order to establish their tightness and condition.
condition. 2.
2. For identical For identical connections, the connections, the measured values measured values should not should not differ by differ by more than more than 20 %20 % from each other.
from each other. 3.
3.2.2.2 2 EaEarth rth (ground) (ground) resistance resistance teststests 3.2.2.1 General
3.2.2.1 General 1.
1. For values For values and method and method of earth of earth resistance teresistance tests, see sts, see (4.13) and (4.13) and (Appendix Ia) (Appendix Ia) andand (Appendix Ib).
(Appendix Ib). 3.2.2.2
3.2.2.2 Earth Earth (ground) (ground) electrodeselectrodes 1.
1. All eaAll earth (ground) rth (ground) electrodes shall electrodes shall be tested be tested by measuring by measuring the electrode the electrode resistanceresistance against the mass of earth, using a purpose-made test set as outlined in (Appendix Ia). against the mass of earth, using a purpose-made test set as outlined in (Appendix Ia).
NOTE:
NOTE: Verification Verification of of the the connection connection of tof the he earthing earthing electrode electrode to fouto foundation ndation earthing earthing should should be be done done as as partpart of the civil scope of works.
of the civil scope of works.
3.3
3.3 WIRING WIRING AND AND TERMINAL TERMINAL CHECKSCHECKS 1.
1. Electrical Electrical wiring wiring shall bshall be checked e checked against against the schematic the schematic diagrams. Factory-testeddiagrams. Factory-tested assemblies such as switchgear should require only sample checks; wiring done on site assemblies such as switchgear should require only sample checks; wiring done on site shall be checked.
2.
2. The tightneThe tightness of ss of all all field-made terminations field-made terminations shall be shall be verified agverified against Manufacturerainst Manufacturer torque specifications. For North American applications, refer to (Appendix M).
torque specifications. For North American applications, refer to (Appendix M). 3.4
3.4 FUNCTIONAL FUNCTIONAL TESTSTESTS 1.
1. Functional Functional tests tests shall shall be be performed to performed to demonstrate the demonstrate the correct opcorrect operation of eration of completecomplete systems.
systems. 2.
2. Refer to Refer to (2.1) about (2.1) about the need the need for testing for testing to be to be considered at considered at the design the design stages. Thesestages. These considerations shall include functional testing, especially of systems such as Load considerations shall include functional testing, especially of systems such as Load Shedding.
Shedding.
It will be necessary to consider how satisfactory functional tests may be carried out It will be necessary to consider how satisfactory functional tests may be carried out without adversely affecting a running plant or disrupting the commissioning of without adversely affecting a running plant or disrupting the commissioning of another plant.
another plant. 3.
3. The functional The functional testing of testing of safety-related systems, safety-related systems, such as such as an auto an auto start of start of dieseldiesel generation on supply failure, shall be mandatory.
generation on supply failure, shall be mandatory. 4.
4. Attention Attention should be should be paid to paid to equipment interfaces, equipment interfaces, where there where there is a is a greater likelihood greater likelihood ofof functional impairment.
functional impairment. 5.
5. In In cases wcases where complicated here complicated control control and/or interlock and/or interlock systems asystems are used, re used, the Contractorthe Contractor shall demonstrate compliance with the design requirements by using special shall demonstrate compliance with the design requirements by using special case-by-case functional check lists and system logic diagrams.
case functional check lists and system logic diagrams. 3.5
3.5 PHASING PHASING TESTSTESTS 1.
1. Confirmation Confirmation of phase of phase rotation for rotation for switchgear switchgear and generator and generator operation operation shall be shall be donedone using voltage indication units. ‘Phasing sticks’ shall not be used.
using voltage indication units. ‘Phasing sticks’ shall not be used. 2.
2. For LV For LV systems, phasing systems, phasing should not should not be done be done across main across main busbars but busbars but using a using a visiblevisible wiring check and test downstream/after the short-circuit protection (fuse/MCB) of the wiring check and test downstream/after the short-circuit protection (fuse/MCB) of the voltmeters.
voltmeters. 3.6
3.6 POST POST COMMISSIONING COMMISSIONING TESTSTESTS
If procedures require that the equipment be tested against operating conditions, for If procedures require that the equipment be tested against operating conditions, for example motor load tests, then the tests may need to be performed during the start-up example motor load tests, then the tests may need to be performed during the start-up or even operational phase.
or even operational phase. 1.
1. These tests These tests should should be identified be identified early iearly in the n the preparation of preparation of the pthe project commissioningroject commissioning planning and agreed by the Principal.
planning and agreed by the Principal. 4.
4. TESTING TESTING AND AND COMMISSIONING COMMISSIONING PROCEDURESPROCEDURES
4.1 GENERAL
4.1 GENERAL
1.
1. All All items of items of electrical electrical equipment (except equipment (except bulk ordered bulk ordered equipment) shall equipment) shall be ibe inspectednspected and tested in accordance with the relevant DEP, this DEP and the Inspection and and tested in accordance with the relevant DEP, this DEP and the Inspection and Testing Forms in DEP 63.10.08.91-Gen.
Testing Forms in DEP 63.10.08.91-Gen. 2.
2. All All electrical electrical equipment tags equipment tags shall shall be verified be verified for compliance for compliance with thwith the relevant e relevant drawingsdrawings and specifications, i.e., equipment nameplates, etc.
and specifications, i.e., equipment nameplates, etc. 4.2
4.2 HAZARDOUS HAZARDOUS (CLASSIFIED) (CLASSIFIED) AREA AREA EQUIPMENTEQUIPMENT
Refer to DEP 63.10.08.91-Gen., Form 4 and applicable equipment forms. Refer to DEP 63.10.08.91-Gen., Form 4 and applicable equipment forms.
4.2.1 Installation
4.2.1 Installation
1.
1. All iAll items of tems of electrical electrical equipment installed equipment installed in a in a hazardous (classified) hazardous (classified) area shall area shall bebe subject to an initial detailed inspection in accordance with IEC 60079-14 / subject to an initial detailed inspection in accordance with IEC 60079-14 / IEC 60079-17 and information recorded on the above forms.