Optimisation of the electrical network
Measure to understand
Understand to control
Control to optimise
Cost of power and fluids
Power quality
Improvement process
Improve the distribution
system
Organise
measurement data
Collect measurement data
Devices Communication Software Analysis Design / Solutions Implement Solutions Check
Reduce energy cost
Monitor load curve
-> implement load-shedding schemes
-> concentrate heavy consumption during off-peak times
-> avoid exceeding stipulated limits
Monitor power factor -> implement reactive compensation schemes Optimize utility contract
& avoid penalties
Monitor load curves
Reduce energy cost
Sub-metering / cost allocation -> allocate internal cost
-> implement awareness programs (best practices, peak shaving)
Multi-sites aggregation to negotiate better rates
Allocate energy costs
Optimize investment
Identify spare capacity
through analyze of Energy usage Optimize safety margin
between installed Power and demand Power
-> avoid unnecessary investment when modifications or extensions are required
Extend equipment life time & reduce losses
through Power quality improvement
(cables, transformers, capacitors, motors, electronics...)
Analyse energy usage
Monitor
Power Factor / Reactive Energy Harmonics
Neutral Current
due to addition of H3, 6, 9... & Current unbalance
Voltage or Current unbalance Frequency
on Diesel Generator
Voltage sags & swells
due to load fluctuation (motor starting…), power up of
transformer or capacitor banks, lightning...
Transients…
Monitor THD
To avoid
Increased losses in cables & transformers
Equipment destruction or reduced life time due to overheating
(transformers, capacitors, motors, VSD’s, neutral cables…)
& vibrations (motors) Untimely CB tripping Process disturbance
(sensitive equipment: relays, VSD’s, PLC ’s, motor speed instability...) Perturbation of communications & to check energy supply compliance
Monitor currents & voltages
Alarm on key parameters & record events
Help for preventative maintenance -> detect problem early
-> avoid shut down
-> minimize production losses
Alarming on key parameters Number of CB O/C operations CB contact wear
Identify polluting loads (high level of Harmonics)
& pull them apart from sensitive loads, install filters or even change them
Balance bus-bars after demand Power analysis
Optimisation of the electrical network :
availability
Detect voltage disturbances
Help for corrective maintenance -> minimize down time
-> minimize production losses
Look at Sequence of Events
Recording, Waveform captures…
Identify origin of problems :
- internal cause
- or problem coming from Utility
Check Voltage disturbances,
overloads...
Optimisation of the electrical network :
availability
Architecture
Software Communication interface Communicating devices Protection devices Circuit-breakers Power Meters Circuit Monitors SMSEGX - ECC cardof the CM3000 or 4000
RS485 ModBUS local network Ethernet
MV protection and monitoring using Sepam 1000+ Measurement on outgoers using PM500
MV switchboard
MSB
Protection and monitoring of LV incomers using Masterpact NW Measurement using PM650Ex. 1: intelligent devices distributed
MV/LV substation 1 MV/LV substation 2 PMX or SMS 1500
depending on needs
RS485 Modbus
Ex. 2: several devices with a local power
management software
SMS 1500
EGX400 gateway
Ethernet Modbus TCP/IP
Modbus RS485
Internet Explorer
Ex. 3: remote management via Ethernet
MV/LV substation 1 MV/LV substation 2
Information Manager reports
SMS 1500
EGX gateway
Modbus RS485 Ethernet Modbus TCP/IP
Internet Explorer
Ex. 4: communication with BMS or SCADA
BMS or SCADA
“Solution” oriented system
preconfigured software
perfect integration in the Schneider offer
Concept
open communication
Architecture upgradeable on site
software updating
A tool for multi-users
Engineering trends logs Maintenance alarms measurements Accounting cost control optimisationThe range
PM 800 CM 4000 CM 3000 Use SMS software Convert Web browser EGX gateway PM 500 Acquire - Measure CM 3/4000 + ECC card Sepam MicrologicPower Meters
Functionalit
y
PM800
Apply to Mains and Feeders
• Comprehensive Power Metering
• Basic Power Quality (harmonics analysis) • Onboard data logging • Waveform Capture
CM3000
Apply to Mains and Key Feeders
• Advanced Power Monitoring • Power Quality with disturbance
detection
• Onboard data logging
• Disturbance Waveform capture
CM4000
Apply to Critical Power • Extensive Power Quality • Transient Detection (CM4-T) • Wave shape fault recording • Variety of I/O options • Highest revenue accuracy • GPS time synchronization Apply to Feeders
• Power Metering
• Sub-metering / cost allocation • THD monitoring
Sepam
MV protection unit
Protection for all applications (sub-station,
transformer, motor, bus-bar)
All functions integrated in a single device,
combined with a circuit-breaker MV monitoring and control
Basic or advanced measurements
Circuit-breaker status (open, closed, tripped) Remote control (open, closed commands) Trip settings, relay status
Information concerning tripping causes,
event log
Communication protocol
Modbus
Sepam 2000 Sepam 1000+
Compact NS Masterpact NW Micrologic Control unit
Masterpact NT, NW
Compact NS 800-3200A
LV circuit-breakers Protection of LV circuits using the Micrologic
control unit
LV monitoring and control
Basic and advanced measurements
Circuit-breaker status (open, closed, tripped) Remote control (open, closed commands) Trip settings, load in percent
Information concerning the causes of tripping Communication protocol
Modbus BatiBus
PowerLogic EGX200 and EGX400
Modbus/Ethernet Gateways Protocol converter from RS485 - Modbus to
Ethernet - Modbus TCP/IP
100Mbits/second 2 RS485 serial ports
2-wire and 4-wire compatibility Set up via a web browser
EGX400 = EGX200 + – Web page server
(+ tool for easy personalisation of html pages)
– Fibre optic Ethernet connection
SMS
Ethernet Modbus / TCP
Modbus - RS485
Internet Explorer
Ethernet Communication Card - ECC21
3 Main functions
Provides a fast access to Ethernet networks to the
CM3000
– Share information through intranet
Provides an Ethernet gateway to products daisy
chained to the ECC
– Provides access to Power Meters, CM2000,
Micrologic, Sepam, and other Modbus devices
Provides an embedded HTML page server
– Share information with a standard Web navigator
PowerLogic SMS range
Architecture Client / server Standalone n devices Standalone 1 device Functions Device configuration Advanced analysis Multi-device synthesis Meters Bar graphs Custom tables Advanced functions - automatic tasks - custom reports Measurement concentration AnalysisSMS 1500
SMS 3000
PMX 1500
SMS 121
graphical option GFXApplication : Remote monitoring and Alarm (1)
Application : System Monitoring and Alarm (2)
Application : Fault Analysis (1)
Application : Fault Analysis (2)
Application : Fault Analysis (2)
0.5 cycle 2300A / ms
Application : Power Quality Monitoring (Harmonic)
Application : Energy Management (Historical Information)
Application : Energy Management (Historical Information)
0 200 400 600 800 1000 1200 10 /1 5/ 02 12 :3 1: 00 P M 10 /1 5/02 8:51 :00 P M 10 /1 6/ 02 5: 11 :0 0 A M 10 /1 6/02 1:31 :00 P M 10 /1 6/02 9:51 :00 P M 10 /1 7/ 02 6: 11 :0 0 A M 10 /1 7/02 2:31 :00 P M 10 /1 7/ 02 10 :5 1: 00 P M 10 /1 8/ 02 7: 11 :0 0 A M 10 /1 8/02 3:31 :00 P M 10 /1 8/ 02 11 :5 1: 00 P M 10 /1 9/ 02 8: 11 :0 0 A M 10 /1 9/02 4:31 :00 P M /2 0/0 2 12 :5 1:0 0 A M 10 /2 0/ 02 9: 11 :0 0 A M 10 /2 0/02 5:31 :00 P M 10 /2 1/ 02 1: 51 :0 0 A M /2 1/0 2 10 :1 1:0 0 A M 10 /2 1/02 6:31 :00 P M 10 /2 2/ 02 2: 51 :0 0 A M Appar e nt Pow e r ( k V A )
Alarm setup
Alarm logging
Waveform capture
Electricity Consumption Characteristic
of Welding Machine
Standby Condition Working Condition Standby ConditionVoltage sag was occurred and recorded by Power Analyzer
(Alarm was displayed at the same time)
Working Condition
