01_ETR300R_Manual_Control_ver1.47_201304

ENTEC

RECLOSER CONTROL ETR300-R

Release Note:

[Apr. 2012] Ver1.40

Release note starts from version 1.40

[May. 2012] Ver1.41

Add “CLPU-TYPE 2 Setup” in “7.1.12.3. Cold Load Pickup Setup”.

[Aug. 2012] Ver1.42

Change the range and step of “M.A.D(Deg)” setting in “GLOBAL SETTING / MONITORING / SYNCHROCHECK” menu(in “6.4.1. Synchronism Check(25)”).

[Aug. 2012] Ver1.43

Changed the manual based on ETR300-R firmware Ver. 3.4 upgrading.

1. Change “Phase/Ground/Negative Sequence Time Overcurrent Protection” in “2.4. Protection Elements”.

2. Change “Phase/Ground/Negative Sequence Instantaneous Overcurrent Protection” in “2.4. Protection Elements”.

3. Change “Phase/Ground/Negative Sequence High Current Lockout Protection” in “2.4. Protection Elements”.

4. Change “Live Load Blocking” in “2.5. Monitoring”.

5. Change the description of “Frequency” setting in “6.1.1. Power Line”.

6. Change the description of “Master IP Oct 1~4” settings in “6.2.1.1. DNP3 Protocol Setup”. 7. Change the step of “DCD CheckOut” setting in “6.2.2.1. PORT1(232) Setup”.

8. Change the range of “TX PostDelay” setting in “6.2.2.1. PORT1(232) Setup”.

9. Change the description of “IP Address Oct 1~4”, “Gateway Oct 1~4” and “Subnet Mask Oct 1~4” settings in “6.2.2.3. PORT3(EHTERNET) Setup”.

10. Change the default of “Wave Capture” and “Wave S/R” settings in “6.3. Event Recorder”. 11. Change the range of “M.A.D(Deg)” setting in “SYNCHROCHECK” menu.

- Change “Synchronism” in “2.5. Monitoring”.

- Change the range of “M.A.D(Deg)” setting in “6.4.1. Synchronism Check(25)”. 12. Change the default of “Level” setting in “PQM / INTERRUPT” menu.

- Change “Power Quality Monitoring” in “2.5. Monitoring”. - Change the default of “Level” setting in “6.4.5.2. Interrupt”.

14. Change the default and description of “TD1-2 PU” setting in “6.4.6. TD Monitor”. 15. Change the default of “DLV Max” and “LLV Min” settings in “6.5. Loop Control”. 16. Change the default of “OUT101” setting in “6.7.2.2. Output Pulse Timer”.

17. Change the range of “Reclose 1” settings in “INTERVALS” menu. - Change “Reclose Control” in “2.4. Protection Elements”.

- Change the range of “Reclose 1” settings in “7.1.1. Reclose(79)”. 18. Change “7.1.2. Phase (Fast/Delay) Time Overcurrents (51P)”.

- Change the default of “Phase Pickup Current”. - Change the default and description of “Curve”.

19. Change the default of “Curve” in “7.1.3. Ground (Fast/Delay) Time Overcurrents (51G)”. 20. Change the default of “Curve” in “7.1.5. Negative Sequence (Fast/Delay) Time Overcurrents (46)”. 21. Change the range and default of “Time Delay” in “7.1.9. Phase High Current Lockout(50P-2)”. 22. Change the range and default of “Time Delay” in “7.1.10. Ground High Current Lockout(50G-2)”. 23. Change the range and default of “Time Delay” in “7.1.11. Negative Sequence High Current

Lockout(46(50)-2)”.

24. Change the settings in “COLD LOAD PICKUP” menu.

- Change “Cold Load Pickup Blocking” in “2.4. Protection Elements”.

- Change the range of “PHA(A)” setting in “7.1.12.3. Cold Load Pickup Setup”. - Change the default of “Outage Time” setting in “7.1.12.3. Cold Load Pickup Setup”. - Change the range of “RMT Time” and “Rst Time” setting in “7.1.12.3. Cold Load Pickup

Setup”.

25. Change the default of “Type” setting in “7.1.13.1. Phase Directional Control(67P)”. 26. Change the default of “Type” setting in “7.1.13.2. Ground Directional Control(67G)”. 27. Change the range of “Factor b” setting in “7.1.18. Time Overcurrent Curves”.

28. Change the default of “Live Line Tm” setting in “7.1.21. Live Line”. 29. Change “7.1.22. Demand Current”.

- Change the default of “Function” setting in “DEMAND” menu.

- Change the default and step of “GND Pickup” setting in “DEMAND” menu. - Change the step of “NEQ Pickup” setting in “DEMAND” menu.

30. Change the default of “L.O Priority” setting in “7.1.23.2. Others”. 31. Change the range of “Time” setting in “7.1.24. Phase Open/Loss”.

32. Change the default of “PHA-Pickup”, “GND-Pickup” and “NEG-Pickup” settings in “7.1.25. Alarm Current”.

33. Change “7.1.26. Loss of Phase”.

- Change the range of “Function” setting in “LOSS OF PHASE” menu. - Change the step of “Pickup” setting in “LOSS OF PHASE” menu.

[Sep. 2012] Ver1.44

Changed the manual based on ETR300-R firmware Ver. 3.7 upgrading. 1. Change the location of “AUTO SGRP CHANGE” menu.

- Change “Figure 5-14. Menu Structure Tree” in “5.2.1. MENU STRUCTURE TREE”. - Change “OTHERS” in “5.2.2. GLOBAL Setting”.

- Change “5.2.3. GROUP Setting”.

- Add “6.8.5. Auto Setting Group Change”. 2. Change “6.1.6. TIME ZONE”.

3. Add “Time Req(m)” setting in “6.2.1.1. DNP3 Protocol Setup”. 4. Add “6.2.1.2. IEC60870-5-101 Protocol Setup”.

5. Add “6.2.1.3. IEC60870-5-104 Protocol Setup”.

6. Change the default setting of “BI Queue size”, “AI Queue size” and “CI Queue size” setting in “6.2.4. Event & Etc Setup”.

[Dec. 2012] Ver1.45

1. Add the Note in “TIME ZONE”.

2. Change the description for “AEvt Skip at Ft”, “Time Syn’ Type” and “Time Tag Type” in “6.2.4. Event & Etc Setup”.

3. Change “Figure 7-34. Non Standard Curves (11, 13, 14, 15, 16, 17, 18)” in “7.1.18. Time Overcurrent Curves”.

[Dec. 2012] Ver1.46

1. Add the “Side panel Port A(Option)” in “2.7. Communications”. 2. Add “4) PORT A(Option)” in “4.2. Communication Port”. 3. Add “4.11. External I/O Unit ETIO10(Option)”.

4. Change “Setting Examples” in “6.1.3. Voltage Sensing”.

5. Changed the manual based on ETR300-R firmware V3.80 upgrading. - Add “Fault Locator” in “2.5. Monitoring”.

- Change “Figure 5-14. Menu Structure Tree” in “5.2.1. MENU STRUCTURE TREE”. - Add “2V INS-Type” setting in “6.1.3. Voltage Sensing”.

- Add “6.4.7. Fault Locator”. - Add “6.8.6. H/W Option”.

- Change “8.3. Fault Cycle – Summary”.

6. Changed the manual based on ETR300-R firmware V4.00 upgrading. - Change the NOTE in “6.7.2.1. Input Debounce Timer”. - Change the NOTE in “6.7.2.2. Output Pulse Timer”. - Change “11.2. Input Ports”.

[Apr. 2013] Ver1.47

Changed the manual based on ETR300-R firmware Ver. 3.9(standard type) and Ver. 4.1(external I/O option type) upgrading.

1. Change the description of ‘RX’ and ‘TX’ lamps in “5.1.8. System Diagnostic Section”. 2. Add the setting items in “6.2.1.2. IEC60870-5-101 Protocol Setup”.

3. Add the setting items in “6.2.1.3. IEC60870-5-104 Protocol Setup”. 4. Add the setting item in “6.2.4. Event & Etc Setup”.

TABLE OF CONTENTS

1. INTRODUCTION ... 1

1.1. Description ... 1

1.2. Summary of Features ... 2

2. TECHNICAL SPECIFICATIONS... 6

2.1. Inputs and Outputs ... 6

2.2. Type Withstand Tests ... 8

2.3. Metering Accuracy ... 9

2.4. Protection Elements... 10

2.5. Monitoring ... 15

2.6. Recorder ... 18

2.7. Communications... 22

3. DIMENSIONS AND CONSTRUCTION ... 23

4. SIDE PANEL CONSTRUCTION ... 24

4.1. Input and Output Terminal for SCADA ... 24

4.2. Communication Port ... 25

4.3. Current Input Terminal ... 26

4.4. Voltage Input Terminal ... 27

4.5. Monitor Terminal ... 27

4.6. Trip & Close Terminal ... 28

4.7. Outputs ... 28

4.8. Inputs ... 29

4.9. Power Input ... 29

4.10. Power Supply ... 30

4.11. External I/O Unit ETIO10(Option) ... 30

5. USER INTERFACE PANEL ... 32

5.1. Construction ... 33

5.2. LCD Display ... 42

5.3. Using the LCD Menu ... 47

6.1. System ... 52 6.2. Communication ... 62 6.3. Event Recorder ... 92 6.4. Monitoring ... 93 6.5. Loop Control ... 109 6.6. Passcode ... 128 6.7. PLC ... 129 6.8. Others ... 136

7. GROUP SETTING ... 140

7.1. Protection(Primary, Alternate and Editebank Setup) ... 141

7.2. Select Setbank ... 233

8. EVENT RECORDER ... 234

8.1. Operation Event ... 234

8.2. Fault Event ... 235

8.3. Fault Cycle - Summary ... 237

8.4. System Event ... 238

8.5. Set Change Event ... 239

8.6. Aver. Load/Min ... 240

8.7. Peak. Load/Hour ... 241

8.8. Peak. Load/Day ... 242

8.9. Diagnostic Event ... 243

8.10. PQM ... 244

8.11. Alarm Current Event ... 246

8.12. Clear Saved Data ... 247

9. MAINTENANCE ... 248

10. TIME ... 257

11. STATUS ... 258

11.3. Output Ports ... 261

12. METERING ... 262

12.1. Metering Elements ... 262

13. INSTALLATION ... 270

13.1. User Interface Door and Power Switch ... 270

13.2. Vent and Outer Cover ... 271

13.3. Dimensions and Mounting Plan ... 272

13.4. Earth Wiring Diagram ... 274

13.5. Inner Structure ... 275

13.6. Mount Accessories Dimensions ... 276

13.7. User-Available DC Power ... 277

13.8. Terminal Block and Fuses ... 278

13.9. ETR300-R Wiring Diagram - CVD Type ... 280

13.11. Current Inputs Wiring Diagram ... 282

13.12. CVD Wiring Diagram ... 283

13.13. Current and Voltage Inputs Phase Rotation ... 284

13.14. Control Cable Receptacle Pin Descriptions ... 285

13.15. Control Cable Assembling / De-assembling ... 287

13.16. AC Power Receptacle Pin Descriptions ... 287

13.17. AC Power Cable ... 288

13.18. Fuses ... 288

13.19. Battery and Control run time ... 289

13.20. Charge Circuit ... 290

13.21. Battery Change ... 290

13.22. Communication Cables ... 291

13.23. Hardware Block Diagram ... 292

13.24. Recloser Trip and Close Circuits ... 293

13.25. Uninterruptible Power Supply for Trip & Close ... 294

13.26. Recloser EVR Wiring Diagram ... 295

13.27. Recloser Current Transformer (CT) ... 296

13.28. Recloser Capacitor Voltage Divider (CVD) ... 296

13.29. Recloser Pressure Sensor (Only EVR Type) ... 297

13.30. Recloser 52 contact and 69 contact ... 299

13.31. Recloser Trip and Close Coil ... 299

14. MAINTANANCE ... 301

14.1. Warning Events ... 301

14.2. Malfunction Events ... 303

1. INTRODUCTION

1.1. Description

y ETR300-R with the microprocessor-based digital control technology is designed to provide protective coordination and fault clearance of distribution systems for the continuous best quality of electric service.

y Remote monitoring and control can be provided by RTU(Remote Terminal Unit - Option) which fundamentally installed.

y ETR300-R provides protection, control, and monitoring functions with both local and remote. It also displays the present trip/alarm conditions, and measured system parameters.

y Recording of past trip, alarm or control events, maximum demand levels, and energy metering is also performed.

y Users can operate Close and Trip, and also control ETR300-R with key buttons on the user interface panel; Protection Enabled, Ground Enabled, SEF Enabled, Reclose Enabled, Control Locked, Remote enabled, Alternate-settings, Loop control Enabled, Loop control auto restore, Hot line tag.

y Users can manage the Recloser interface software using a portable PC for modification of settings, acquisition of event data, and management of operation history.

y ETR300-R contains many T-C characteristic curves developed by IEEE C37.112, IEC255-3, McGraw Edison, and KEPCO to provide fully protective coordination for the continuous best quality of electric distribution. Users can select any time of current curve simply by programming and modifying.

1.2. Summary of Features

PROTECTION

y Two Phase Time Over-current Elements y Phase High Current Trip Elements

y Phase Definite Time High Current Lockout Element y Two Ground Time Over-current Elements

y Ground High Current Trip Elements

y Ground Definite Time High Current Lockout Element y Sensitive Earth Fault Elements

y Two Negative Time Over-current Elements y Negative High Current Trip Elements

y Negative Definite Time High Current Lockout Element y Automatic Reclosing(Up To 5 Shots)

y Cold Load Pickup with Voltage Control y Phase Directional Control

y Ground Directional Control y Directional Sensitive Earth Fault y Negative Sequence Directional Control y Sequence Coordination Control

y Two Under-voltage Elements y Two Over-voltage Elements y Under-frequency Element y Over-frequency Element y Hotline Tag Element y Loop Control

EVENT RECORDER

y Restart and Diagnostic counter y Trip and fault counter

y PQM counter

y Communication counter y Interrupt Time

y S/W Operation recorder - last 256 events y Fault event recorder - last 256 events

y Fault Waveform(20 cycles× 32EA) - last 32 events y System event recorder - last 2048 events

y Setting change event recorder - last 100 events y Load profile recorder - last 6144 days

y Diagnostic event recorder - last 512 events y PQM detection event recorder - last 512 events

y Alarm Current detection event recorder - last 512 events

MONITORING

y Alarm Current

y Demand trip and alarm(Ia, Ib, Ic, Ig, I2) y Phase Open trip and alarm

y Live Line

y Trip Counter Limit y Synchronism Check y Live Load Block

y Recloser main contact Wear(Per Phase) y Breaker Failure with Current Supervision y Power Quality Monitoring(PQM)

- Interrupt - Sag - Swell - Harmonics - Current Unbalance - Voltage Unbalance - Under Voltage - Over Voltage - Under Frequency

y Battery Automatic Load Test y Recloser Operation Failure y Voltage Transformer Failure y TD Monitor

y Fault Locator(This function is supported from Ver. 3.80 of ETR300-R.) y Recloser Gas Over and Low pressure

NOTE : According to a recloser type, there may be no gas pressure monitoring.

METERING

y Each phase current and angle (Ia, Ib, Ic, In, Isef) y Each phase pick current (Ia, Ib, Ic, In, Iq)

y Each phase line to line voltage and angle (Va, Vb, Vc, Vr, Vs, Vt, Vab, Vbc, Vca, Vrs, Vst, Vtr) y Current and voltage symmetrical component(I1, I2, 3I0, V1, V2, 3V0)

y Source and Load side frequency

y Single phase and Three phase power(kW, kVar, kVA, PF) y Energy(10kWh, 10kVarh)

y Single phase and Three phase present demand and max. demand(Ia, Ib, Ic, In, I2, kW, kVar) y Source/Load voltage and current unbalance

y Voltage and current harmonics y Voltage and current True R.M.S y ETR300-R internal temperature y Tranducers input (TD1~5)

COMMUNICATIONS

y Side panel PORT 1 RS232 Serial Port : DNP 3.0, Modbus and IEC60870-5-101 Protocol y Side panel PORT 2 RS485 Serial Port : DNP 3.0, Modbus and IEC60870-5-101 Protocol y Side panel PORT 3 RJ45 Port : DNP 3.0 and IEC60870-5-104 Protocol

y Side panel PORT A RJ45 Port(Option) : I/O expendable communication y Front Panel PORT F RS232 Serial Port : ETR300-R interface software

USER INTERFACE

y Fault indicators

y Manual Battery Load Test: Battery Voltage and Charge Voltage y Dual Functional keypads

y 20×4 Character LCD Display

y 42 LED indicators - Fault indications, sequence status, battery status, etc y RS232 port

y Setting Range Help Messages

y Access Security(2 passwords, security and related to communication)

AUXILIARY OUTPUTS

y 4 Opto-isolated Programmable Outputs

AUXILIARY INPUTS

2. TECHNICAL SPECIFICATIONS

2.1. Inputs and Outputs

Systems

y 3phase-3wire or 3phase-4wire, 38㎸ maximum, 800 Amp maximum

Frequency

y 50 / 60㎐ system and ABC/ACB phase rotation

Control Voltage Input

y AC Voltage Input 110V/220Vac or other voltage (+10%,-15%) y Nominal Battery Voltage : 24Vdc

User available DC power Output - Option

y DC Power Voltage : 12, 15, 24Vdc y DC Power Continuous : 30W y DC Power for 10Sec : 70W

Voltage Transformer Inputs (VT) - Standard

y Voltage Inputs V11, V12, V13, V21, V22, V23 and V10 y Input Voltage Range : Phase-Neutral Continuous <6V y Burden: 0.002VA(4V)

Voltage Transformer Inputs (VT) - Option

y Voltage Inputs V11, V12, V13, V21, V22, V23 and V10 y Input Voltage Range : Phase-Neutral Continuous <300V

Current Transformer Inputs (CT)

y Current Inputs I01, I02, I03, IN and Ise y I01, I02, I03, IN Input Current Range

„ 1A Nominal „ 2A continuous „ 25A 1 second

„ Burden : 0.38VA(1A) y SEF Input Current Range

„ 0.05A Nominal „ 0.16A Continuous „ 0.6A 1 second

„ Burden : 0.0375VA(0.05A)

Control Inputs - Option

y Control Inputs 4 Channel

y Nominal Voltages and Operating Range „ 250Vdc(-15%,+20%)

„ 125Vdc(-15%,+20%) „ 48Vdc(-15%,+20%) „ 24Vdc(-15%,+20%) „ 12Vdc(-10%,+30%)

y Operating current : < 5mA at Nominal Voltages

Control Output Contacts - Option

y Control Outputs 4 Channel

y 300Vac / 350Vdc Varistor for differential surge protection y Operate / Release time : < 5ms at +20℃(+68℉)

y Maximum operating power

Table 2-1. Control Output Contacts (L/R=7ms) 125Vdc 0.1A 48Vdc 0.8A 24Vdc 3A (cosΦ=0.4) 250Vac 3A 125Vac 5A

2.2. Type Withstand Tests

Dielectric Strength

y CT inputs, VT inputs, Control Power inputs, Opto-isolated inputs and Relay outputs „ 2㎸(60㎐) for 1 minute

Impulse Voltage

y IEEE C62.45 (1992) Withstand Capability of Relay Systems to Radiated Electromagnetic Interference Transceivers, 6㎸(1.2×50㎲), 3㎄(8×20㎲)

Surge Withstand Capability

y IEEE C37.90.1 - 1989 IEEE SWC Tests for Protective Relays and Relay Systems (3㎸ oscillatory 1㎒ to 1.5㎒, 5㎸ fast transient 1.2×50㎲)

y IEEE C37.90.2 - 1987 IEEE Trial-Use Standard, Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from Transceivers, 10 V/m

(150㎒ and 450㎒, 5 W transmitter 10㎝)

Vibration Test

y IEC 255-21-1 - 1988 Electrical relays, Part 21 : Vibration, shock, bump, and seismic tests on measuring relays and protection equipment, Section One - Vibration tests (sinusoidal), Class 1

y Control Operating Temperature

y Operating range : -25℃∼+70℃(-13℉∼+158℉) y LCD : -20℃∼+70℃(-4℉∼+158℉) - standard

2.3. Metering Accuracy

The quantity of electricity used in metering and protection is based on fundamental content which harmonic is removed in input voltage and current parameters.

Voltage metering

y Rated voltage : AC effective value voltage 4 V

y Phase A, B, C : ±0.5%( 80 ～ 120 % of rated voltage), ±0.5˚

y Zero sequence voltage(Vo) : ±0.5 %( 80 ～ 120% of rated voltage), ±0.5˚ y V1, V2, 3V0 : ±0.6 %( 80 ～ 120% of rated voltage), ±1˚

Current metering

y Rated current : AC 0.6 Arms

y IA, IB, IC, IG : ±0.5 mA ± 0.5 % of reading(0.03~1.5 A), ±0.5˚ y IN : ±0.005 mA + ±0.5 % of reading(0.5~16.0 mA), ±1˚ y I1, I2, 3I0 : ±0.01 A ± 3 % of reading(0.003~1.5A ), ±1˚

Power metering

y Apparent Power : ±1.2 %( Rated Voltage >80 %, Rated Current >0.03)

y Active Power : ±0.7 % PF=1, ±1% PF>0.87(Rated Voltage >80%, Rated Current >0.03) y Reactive Power : ±0.7 % PF=0, ±1% PF<0.5(Rated Voltage >80%, Rated Current >0.03)

Frequency metering

y Source/Load Voltage Frequency : ±0.02 Hz

Harmonic metering : ±5%

The above measurement accuracy is applied only for ETR300R. The measurement accuracy of voltage and current after through ETR300R is about ±1 %. However, the accuracy can be changed by the type of CT and PT of a recloser.

2.4. Protection Elements

Phase/Ground/Negative Sequence Time Overcurrent Protection

Phase/Ground/Negative Pickup Level ... 10A ~ 1600A in steps of 1A

*. The setting range of Pickup Level can vary according to H/W option.

Dropout Level ... 96 to 98% of Pickup Curve Type

„ ANSI : Normally, Very, Extremely „ IEC : Normally, Very, Extremely „ EB : Normally, Very

„ Definite Time : DEF-1s, DEF-10s „ Korean(Kepco) Curve : N1, N2, N3, N4

„ User programmable curves : USER-1, USER-2, USER-3, USER-4 „ McGraw-Edison : Non-Standard Curves 32

Time dial ... 0.05 to 15.00 in steps of 0.01 Time adder ... 0.00 to 10.00 in steps of 0.01s Minimum Response time... 0.00 to 10.00 in steps of 0.01s Reset Type ... Instantaneous/Linear

Low Set Definite Time ... OFF, 1 ~ 600 in steps of 1s Pickup Level Accuracy ... 5%

Timing Accuracy ... ± 5% of trip time or ± 20㎳

Phase/Ground/Negative Sequence Instantaneous Overcurrent Protection

Active Sequence ... OFF, 1~5 in steps of 1

Phase/Ground/Neg’ Pickup Level ... OFF, 10A ~ 20000A in steps of 1A Dropout Level ... 95 to 98% of Pickup

Time Delay ... 0.00 to 1.00 in steps of 0.01s Pickup Level Accuracy ... 5%

Timing Accuracy ... at 0㎳ time delay (50㎳ max) 5% of trip time or ± 20㎳

Phase/Ground/Negative Sequence High Current Lockout Protection

Active Sequence ... OFF, 1~5 in steps of 1

Phase/Ground/Neg’ Pickup Level ... OFF, 10A ~ 20000A in steps of 1A Dropout Level ... 95 to 98% of Pickup

Time Delay ... 0.00 to 1.00 in steps of 0.01s Pickup Level Accuracy... 5%

Timing Accuracy ... at 0㎳ time delay (50㎳ max) 5% of trip time or ± 20㎳

Sensitive Earth Definite Time Overcurrent Protection

Pickup Level ... OFF, 0.1 to 160.0A in steps of 0.1A Dropout Level ... 95 to 98% of Pickup

Time Delay ... 0.0 to 180.0 in steps of 0.1s Pickup Level Accuracy... 5%

Timing Accuracy ... at 0㎳ time delay (50㎳ max) 5% of trip time or ± 20㎳

Cold Load Pickup Blocking

Phase/Ground//SEF/ NEQ Function……….OFF/ ON

Phase/Ground/NEQ Pickup Level ... OFF, 10A to 20000A in steps of 1A SEF Pickup Level ... OFF, 0.1A to 2000.0A in steps of 0.1A Outage Time ... 0.00 to 600.00 in steps of 0.01s Phase/Ground//SEF/ NEQ R.M.T Function….…….OFF/ ON

Phase/Ground/SEF/NEQ Restore Minimum Time ... 0.00 to 60.00 in steps of 0.01s(lower than Ver 3.4) 0.00 to 600.00 in steps of 0.01s (Ver 3.4 or higher) Phase/Ground/SEF/NEQ Reset Time ... 0.00 to 60.00 in steps of 0.01s(lower than Ver 3.4)

0.00 to 600.00 in steps of 0.01s (Ver 3.4 or higher) Phase/Ground//SEF/ NEQ CLPU apply Curve Type

„ ANSI : Normally, Very, Extremely „ IEC : Normally, Very, Extremely „ EB : Normally, Very

„ Definite Time : DEF-1s, DEF-10s „ Korean Curve : N1, N2, N3, N4

„ User programmable curves : USER-1, USER-2, USER-3, USER-4 „ McGraw-Edison : Non-Standard Curves 32

Phase/Ground//SEF/ NEQ CLPU Adder Time…….0.00 to 10.00 in steps of 0.01sec) Phase/Ground//SEF/ NEQ CLPU M.R.T ... 0.00 to 10.00 in steps of 0.01sec Make Use ‘I’……….NO/YES

Multiple of Cold Load….……….0(OFF), 1.0 to 5.0 in steps of 0.1 Cold Load Time ... 1 to 720 min in steps 1 min Pickup Level Accuracy ... 5%

Timing Accuracy ... at 0㎳ time delay (50㎳ max) 5% of trip time or ± 20㎳

Phase Directional Control

Polarizing Voltage ... Positive Sequence Voltage V1 Detecting Direction ... NONE/FORWARD/REVERSE Maximum Torque Angle ... 0 to 359° in steps of 1°

Minimum Polarizing Voltage ... OFF, 0.10 to 0.80 in steps of 0.01 xVT Block OC ... NO/ YES

Angle Accuracy ... ± 2° Internal Operation Delay ... 1.5cycle

Ground/Sensitive Earth Directional Control

Polarizing Voltage ... Zero Sequence Voltage (–V0)

For voltage element polarizing the source VTs must be connected in Wye

Detecting Direction ... NONE/FORWARD/REVERSE Maximum Torque Angle ... 0 to 359° in steps of 1°

Minimum Polarizing Voltage ... OFF, 0.10 to 0.80 in steps of 0.01 xVT Block OC ... NO/ YES

Angle Accuracy ... ± 2° Internal Operation Delay ... 1.5cycle

Negative Directional Control

Polarizing Voltage ... Negative Sequence Voltage(-V2) Detecting Direction ... NONE/FORWARD/REVERSE Maximum Torque Angle ... 0 to 359° in steps of 1°

Minimum Polarizing Voltage ... OFF, 0.10 to 0.80 in steps of 0.01 xVT Block OC ... NO/ YES

Angle Accuracy ... ± 2° Internal Operation Delay ... 1.5cycle

Under/Over Voltage 1/2 Protection

Function... OFF/TRIP/ALARM/TRIP&ALARM Pickup Level ... 0.10 to 1.40 in steps of 0.01 pu Minimum Voltage ... 0.10 to 1.40 in steps of 0.01 pu

Dropout Level ... 95 to 98% of Pickup when over voltage 102 to 105% of Pickup when under voltage Time Delay ... 0.00 to 600.00 in steps of 0.01s

Active Phases ... Any One/Any Two/All Three Normal Voltage Close ... OFF/ON

Close Wait Time ... 0 to 60000 in steps of 1s Close Wait Reset Time ... 0 to 60000 in steps of 1s Min. Normal Voltage ... 0.10 to 1.40 in steps of 0.01 pu Max. Normal Voltage ... 0.10 to 1.40 in steps of 0.01 pu Timing Accuracy ... ± 20㎳

Under/Over Frequency

Pickup Level ... OFF, 40.00 to 65.00 in steps of 0.01㎐ Dropout Level ... at VT Pickup + 0.02㎐ when under frequency

at CVD Pickup+0.05㎐ when under frequency at VT Pickup - 0.02㎐ when over frequency at CVD Pickup -0.05㎐ when over frequency Time Delay ... 0.00 to 600.00 in steps of 0.01s (definite time) Minimum Voltage ... 0.00 to 1.25 in steps of 0.01 pu

Minimum Current ... OFF, 1 to 630 in steps of 1A Normal Frequency Close ... OFF/ON

Close Wait Time ... 0 to 60000 in steps of 1s Close Wait Reset Time ... 0 to 60000 in steps of 1s

Min. Normal Voltage ... 40.00 to 65.00 in steps of 0.01Hz Max. Normal Voltage ... 40.00 to 65.00 in steps of 0.01Hz Level Accuracy ... at VT ± 0.02㎐, at CVD ± 0.05㎐ Timing Accuracy ... 2cycle

Reclose Control

Operations to Lockout - phase trip ... 1 to 5 in steps of 1 Operations to Lockout - ground trip ... 1 to 5 in steps of 1 Operations to Lockout - SEF trip ... 1 to 5 in steps of 1 Operations to Lockout - Negative Seq’ trip ... 1 to 5 in steps of 1 Operations of Fast curve - phase trip ... 0 to 5 in steps of 1 Operations of Fast curve - ground trip ... 0 to 5 in steps of 1 Operations of Fast curve - Negative Seq’ trip ... 0 to 5 in steps of 1

Reclose interval 1 ... 0.5 to 600.0 in steps of 0.1(lower than Ver 3.4) 0.1 to 600.0 in steps of 0.1(Ver 3.4 or higher) Reclose interval 2 ... 1 to 1800 in steps of 1

Reclose interval 3 ... 1 to 1800 in steps of 1 Reclose interval 4 ... 1 to1800 in steps of 1 Reset time for Auto Reclose Cycle ... 3 to 180 in steps of 1

Reset time from lockout ... 1.00 to 600.00 in steps of 0.01 C/P Wait Time ... 1.00 to 600.00 in steps of 0.01 Timing Accuracy ... ± 5%

Phase/Ground/Negative Sequence Hot Line Tag

Curve Type

„ ANSI : Moderately, Very, Extremely „ IEC : Normally, Very, Extremely „ EB : Normally, Very

„ Definite Time : DEF-1s, DEF-10s „ Korean(Kepco) Curve : N1, N2, N3, N4

„ User programmable curves : USER-1, USER-2, USER-3, USER-4 „ McGraw-Edison : Non-Standard Curves 32

Time dial ... 0.05 to 15.00 in steps of 0.01 Time adder ... 0.00 to 10.00 in steps of 0.01s Minimum Response time... 0.00 to 10.00 in steps of 0.01s Reset Type ... Instantaneous/Linear

Pickup Level Accuracy ... 5%

Timing Accuracy ... ± 5% of trip time or ± 20㎳

Sequence Coordination Control

Lockout Priority

Lockout Priority ... Phase/ Ground

F.I Reset Method

Reset Method ... Auto/ Manual

Time Delay for Manual Close

Time Delay ... 0.00 to 600.00 in steps of 0.01s

2.5. Monitoring

Synchronism Check

Dead Voltage Maximum ... 0.00 to 1.25 in steps of 0.01 pu Live Voltage Minimum ... 0.00 to 1.25 in steps of 0.01 pu Maximum Voltage Difference ... 0.00 to 1.25 in steps of 0.01 pu

Maximum Angle Difference ... 0(OFF), 5° to 80° in steps of 1°(lower than Ver 3.4) 1° to 100° in steps of 1°(Ver 3.4 or higher) Maximum Frequency Difference ... 0.00 to 5.00 in steps of 0.01Hz

Detect Phase ... ALL/ R(AB)/ S(CB)/ T Delay Time ... 0.0 to 180.0 in steps 0.1s

Operation Counter

Number of Pickup Limit ... 1 to 20000 in steps of 1 Operation Counter Set ... 0 to 10000 in steps of 1

Recloser Wear

Pickup Wear ... 0 to 100% in steps of 0.1 Rate System ... 15㎸, 27㎸, 38㎸

Rate Interrupt(㎸) ... 5.0 to 50.0㎸ in steps of 0.1 Number of Maximum Interruption ... 1 to 999 in steps of 1

Set Phase A Wear ... 0.0 to 100.0 % in steps of 0.1 Set Phase B Wear ... 0.0 to 100.0 % in steps of 0.1 Set Phase C Wear ... 0.0 to 100.0 % in steps of 0.1

Battery Automatic Load Test

Test Period ... 0(OFF), 1 to 720 hours in steps of 1hour

Power Quality Monitoring(PQM)

Interrupt Pickup Level ... 0(OFF), 0.10 to 0.49pu in steps of 0.01pu Interrupt Delay Time ... 0.5 to 10.0cycle in steps of 0.5 cycle Sag Pickup Level ... 0(OFF), 0.50 to 0.99pu in steps of 0.01pu Sag Delay Time ... 0.5 to 10.0cycle in steps of 0.5 cycle Swell Pickup Level ... 0(OFF), 1.01 to 1.50pu in steps of 0.01pu Swell Delay Time ... 0.5 to 10.0cycle in steps of 0.5cycle Voltage Total Harmonics Pickup Level ... 0(OFF), 0.5 to 100.0% in steps of 0.1% Voltage Total Harmonics Delay Time ... 0.2 to 60.0sec in steps of 0.1sec

Current Total Harmonics Pickup Level ... 0(OFF), 0.5 to 100.0% in steps of 0.1% Current Total Harmonics Delay Time ... 0.2 to 60.0sec in steps of 0.1sec

Voltage Unbalance Pickup Level ... 0(OFF), 0.30 to 0.95pu in steps of 0.01pu Voltage Unbalance Delay Time ... 0.1 to 60.0sec in steps of 0.1sec

Current Unbalance Pickup Level ... 0(OFF), 1 to 100% in steps of 1% Current Unbalance Delay Time ... 0.1 to 60.0sec in steps of 0.1sec

Under Voltage Pickup Level ... 0(OFF), 0.30 to 0.95pu in steps of 0.01pu Under Voltage Delay Time ... 0.0 to 180.0sec in steps of 0.1sec

Over Voltage Pickup Level ... 0(OFF), 1.05 to 1.50pu in steps of 0.01pu Over Voltage Delay Time ... 0.0 to 180.0sec in steps of 0.1sec

Under Frequency Pickup Level ... 0(OFF), 46.00 to 59.98Hz in steps of 0.01Hz Under Frequency Delay Time ... 0.03 to 10.00sec in steps of 0.01sec

Current Unbalance/THD Detect Limit Current ... 0 to 630A in steps of 1A

TD Monitor

TD1 Rate ... 1 to 200 in steps of 1 TD1 Ratio ... 1 to 3000 in steps of 1

TD1 Offset ... -10000 to +10000 in steps of 1 TD1-1 Type ... Under or Over

TD1-1 PU ... 0(OFF), 0.1 to 6000.0 in step of 0.1 TD1-1 Delay ... 0.00 to 600.00 in step of 0.01sec TD1-2 Type ... Under or Over

TD1-2 PU ... 0(OFF), 0.1 to 6000.0 in step of 0.1 TD1-2 Delay ... 0.00 to 600.00 in step of 0.01sec ※. NOTE : There is 4 more channels(TD2 ~ TD5) the same as above.

Live Load Blocking

Function... OFF/RECLOSING/CLOSE/BOTH Detect Level ... 0.10 to 0.90 pu in steps of 0.01 pu Detect Time ... 0 to 60000ms in steps of 5ms Dropout Level ... 95 to 98% of Pickup

Timing Accuracy ... ± 20㎳

Live Line

Detect Level ... 0.10 to 0.90 pu in steps of 0.01 pu Detect Time ... 0.0 to 180.0s in steps of 0.1s Dropout Level ... 95 to 98% of Pickup

Timing Accuracy ... ± 20㎳

Demand

Measured Values ... Phase A/B/C/G and NEQ Current(A) Phase A/B/C/G and NEQ Max. Current(A)

Phase A/B/C/G 3Φ Real Power(kW)

Phase A/B/C/G 3Φ Max. Real Power(kW)

Phase A/B/C/G 3Φ Reactive Power(kvar)

Phase A/B/C/G 3Φ Max. Reactive Power(kvar)

Measurement Type ... Thermal Exponential/Rolling Demand Time Constant ... 5, 10, 15, 20, 30 or 60 min.

Phase/Ground/NEQ Pickup Level ... OFF, 10A ~ 1600A in steps of 1A Phase/Ground/NEQ Time Delay ... 0.00 to 600.00 in steps of 0.01s Level Accuracy ... ± 5%

Phase Loss Detect

On Level ... 70 ~ 85% of phase voltage (in steps of: 1%) Off Level ... 30 ~ 75% of phase voltage (in steps of: 1%) Delay Time ... 0.0 to 180.0 in steps 0.1s

Alarm Current

Phase/Ground/NEQ Pickup Level ... OFF, 10A ~ 1600A in steps of 1A Phase/Ground/NEQ Time Delay ... 0.0 to 180.0 in steps 0.1s

Level Accuracy ... ± 5% Timing Accuracy ... ± 20㎳

Fault Locator

Total Length of Feeder ... 0.1 to 99.9 of 0.1km Real impedance of the feeder positive seq. ... 0.1 to 6000.0 of 0.1ohms Imaginary impedance of the feeder positive seq. ... 0.1 to 6000.0 of 0.1ohms Real impedance of the feeder zero seq. ... 0.1 to 6000.0 of 0.1ohms Imaginary impedance of the feeder zero seq ... 0.1 to 6000.0 of 0.1ohms

NOTE : “Fault Locator” function is supported from Ver. 3.80 of ETR300-R.

2.6. Recorder

OPERATION EVENT RECORDER

y Trigger Source

„ Recloser Closed(Manual/Remote CLOSE) „ Recloser Opened(Manual/Remote OPEN) y Storage Capacity : Total 256 Events

FAULT EVENT RECORDER

y Trigger Source

„ Protection pickup Elements „ Trip command active y Data Channels

„ 5 currents(A, B, C, G, SEF) y Storage capacity : 256 events

FAULT WAVEFORM CAPTURE

y Trigger Source

„ Protection pickup Elements „ Trip command active y Data Channels

„ 5 currents(A, B, C, G, SEF), 3 voltages(A, B, C), 32 logic input states, 16ch output relays, 16ch Input

y Sample Rate : 16/32/64/128 per cycle

y Trigger Position : 1 to 5cycle(128 sampling base and depending on the sample rate, it changes) y Storage capacity : 32 events with max 160cycles(Cycle is dependent on sample rate)

SYSTEM EVENT RECORDER

y Trigger Source

„ Protection Elements „ 52A Contact „ Sequence status „ Front panel control „ AC supply

„ External control „ Fail operation „ External input status „ System alarm

y Trigger Time : each 1/4 cycle y Trigger type : Pick up and Dropout y Storage Capacity : Last 2048 Events

SET CHANGE EVENT RECORDER

y Trigger Source

„ Global Setting Change

„ Primary Group Setting Change „ Primary Group Setting Change y Storage Capacity : Total 100 Events

LOAD PROFILE

1) Average Load/ Minute

y Trigger Source

„ Demand Current(A, B, C, G) „ Demand Real Power(A, B, C, 3ф) „ Demand Reactive Power(A, B, C, 3ф)

„ Trigger Time : 1, 2, 3, 4, 5, 6, 10, 12, 15, 20 or 30 minute y Storage Capacity : Total 6144 Events

2) Peak Load/ Hour

y Trigger Source

„ Demand Current(A, B, C, G) „ Demand Real Power(A, B, C, 3ф) „ Demand Reactive Power(A, B, C, 3ф)

„ Trigger Time : every 1 hour

y Storage Capacity : Total 6144 Events, 256days

3) Peak Load/ Day

y Trigger Source

„ Demand Current(A, B, C, G) „ Demand Real Power(A, B, C, 3ф) „ Demand Reactive Power(A, B, C, 3ф) „ Trigger Time : every 1 day

y Storage Capacity : Total 6144 Events, 6144 days

DIAGNOSTIC EVENT RECORDER

y Trigger Source

„ System Power(AC, Battery, ±12V, +5V)

„ A/D Conversion(A/D Fail, Reference Voltage1, Reference Voltage 2) „ Power Down Mode

„ Gas Status

„ Setting Change(Global Setting, Primary Setting, Alternate Setting) „ DSP Fail

„ RTC Fail „ Memory Fail „ Flash-Rom Fail „ Circuit Voltage Fail „ Event Fail

„ Count Fail „ DO Fail „ Close Fail „ Open Fail

y Trigger Time : each 1/4 cycle y Trigger type : Pick up and Dropout y Storage Capacity : Last 512 Events

PQM EVENT RECORDER

y Trigger Source

„ PQM pickup Elements

y Storage Capacity : Total 512 Events y Trigger Time : each 5 msec

ALARM CURRENT EVENT RECORDER

y Trigger Source

„ Phase A, B, C, N Alarm current y Trigger Time : each 1/4 cycle y Trigger type : Pick up and Dropout y Storage Capacity : Last 512 Events

COUNTER

y Interrupt Time : 0 to 65534 cycle y Communication : 0 to 65534

RECLOSER WEAR

y Phase A Wear : 0.0 to 100.0% y Phase B Wear : 0.0 to 100.0% y Phase C Wear : 0.0 to 100.0%

2.7. Communications

Table 2-2. Communications

Side panel Port 1

RS232, 1200-19200bps, None, Odd or Even Parity, 7 or 8 Data bits, 1 or 2 Stop bit

DNP 3.0, Modbus and IEC60870-5-101 Protocol Side panel Port 2

RS485/422, 1200-19200bps, None, Odd or Even Parity, 7 or 8 Data bits, 1 or 2 Stop bit

DNP 3.0, Modbus and IEC60870-5-101 Protocol

Side panel Port 3 RJ-45, 10BASE-T/100BASE-T

DNP 3.0, Modbus and IEC60870-5-104 Protocol

Side panel Port A(*_Option) RJ-45, RS-422 communication method used

I/O expendable communication port

Front Panel Port F RS232, 1200-57600bps, No Parity, 8 Data Bits, 1 Stop bit

3. DIMENSIONS AND CONSTRUCTION

Figure 3-1. Construction and Dimensions(Standard)

TAG LOCKED CONTROL ENABLED SEF ENABLED ENABLED GROUND RECLOSE RCV An tenna GP S PORT RF An tenna A 04 A05 A06 A07 A08 A09 A10 A0 3 A0 2 A 01 B05 B06 B07 B08 B04 B03 B02 B01 TX RX N.C OUT101 OUT1 02 OUT10 3 +IN1 01 IN 102 IN 103 IN 104 ++ + O UT104 1:DC02 2,4:COM 1:+12V 3,4:GND 1,3:DC(+) 2,4:DC(-) 3:IN201 2,5:+12V 3,6:GND 1:IN204 4,8:COM 3,7:OUT204 2,6:OUT202 1,5:N/C 3:DC03 2:DC01 4:IN205 2:IN202 4:+12V 1:IN203 I01 I02 I03 IN Ise E01 E02 E 03 E04 E05 E06 E07 E08 E09 E10 5559 1 5559 1 5559 1 950 5559 1 55591 950 5559 1 POWER I N K01 K02 K03 K 04 -BAT +BAT AC 24V AC 24V POWER SUP PLY INPU TS OUTPUT S MONITOR S 1 2 3 4 CN7 1,3:P 2,4:N N P J 01 J 02 J03 J04 OUT2 05 OUT2 06 H01 H0 2 H0 3 H0 4 H0 5 H0 6 TRIP & CLOS E CN6 CN5 C N4 C N3 CN2 CN1 5559 1 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 4 3 6 1 5 4 8 V1 1 V12 V 13 V21 V2 2 V23 V0 + SG -485 9:N/C 7:RTS 8:CTS 6:DSR 3:TXD 1:DCD 4:DTR 2:R XD 5:GND 485 10M/100M F01 F0 2 F03 F04 F05 F 06 G01 G02 G03 G0 4 G05 G0 6 G07 G08 PO RT1 PORT 3 POR T2 1 9 LI NK 123 2T X 2R X 1T X 1R X XP OR T RJ4 5 950 AWAKE SET EVENT METER Control & Communication Unit

E T R 3 0 0 -R02 PORT F TRIP TEST ENABLED AUTO RESTORE FI B Phase Unbalance A Phase Unbalance C Phase Unbalance ABC / RST LIVE ENABLED PROTECTION HOT LINE SETTINGS ALTERNATE ENABLED REMOTE ENT ESC FUN CHECK BATT' RESET LAMP TEST OPEN CLOSE 50 HIGH CURRENT BATTERY RUN DIAG/ERROR AC SUPPLY CLPU ON REVERSE POWER GROUND SEF C FAULT 51 FAST/DELAY 50 INSTANTANEOUS A FAULT B FAULT L 1 L 2 L 3 L 4 CHARGER 79 LOCKOUT 79 RESET 79 CYCLE RX / TX VA / VR VB / VS VC / VT 950-10 950 -08

4. SIDE PANEL CONSTRUCTION

ETR300-R Side panel construction is as follows.

Figure 4-1.Side Panel(Standard)

Cable standard for connector refers to ‘Table 4-1. Cable rating for connector’.

Table 4-1. Cable standard for connector

Item Standard( ㎟ ) Length( ㎜ ) Model No. Remark

Current 1.25(50/0.18) 300 AkZ 960-10P

Power Supply " " AkZ 960-4P

Digital Input 0.75(12/0.18) " Molex 5557-6P,4P

Digital Output " " AkZ 950-6P

Voltage " " AkZ 960-6P,8P

4.1. Input and Output Terminal for SCADA

4 Input and 4 Output terminals for SCADA.

Figure 4-2.INPUTS and OUTPUTS

55 59 1 55 59 1 55 59 1 950 55 59 1 55 59 1 950 55 59 1 POWER IN K01 K02 K03 K04 -B AT +B AT AC 24 V AC 24 V POWER SUPPLY INPUTS OUTPUTS MONITORS 1 2 3 4 CN7 1,3 :P 2,4 :N N P J01 J02 J03 J04 OUT205 OUT206 H01 H02 H03 H04 H05 H06

TRIP & CLOSE

CN6 CN5 CN4 CN3 CN2 CN1 55 59 1 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 4 3 6 1 5 4 8 V11 V12 V13 V21 V22 V23 V0 +-SG 485 9:N/C 7:RTS 8:CTS 6:DSR3:TXD 1:DCD2:RXD 4:DTR 5:GND 485 10M/100M 1: DC0 2 2 ,4: COM 1:+ 12V 3 ,4:G ND 1 ,3: DC( +) 2 ,4: DC( -) 3:I N201 2, 5: +12V 3, 6:G ND 1:I N20 4 4,8 :CO M 3, 7: OUT2 04 2, 6: OUT2 02 1,5 :N/ C 3: DC0 3 2:D C01 4:I N20 5 2:I N202 4:+ 12V 1:I N203

I01 I02 I03 IN Ise

E01 E02 E03 E04 E05 E06 E07 E08 E09 E10

OUT101 OUT102 OUT103

+

IN101 IN102 IN103 IN104

+ + +

OUT104

RCV Antenna

GPS PORT RF

Antenna

A04 A05 A06 A07 A08 A09 A10 A03 A02 A01 B01B02B03B04B05 B06 B07 B08 TX RX N.C 950-10 950-08 XPORT RJ45 950 F01 F02 F03 F04 F05 F06 G01 G02 G03 G04 G05 G06 G07 G08 PORT1 PORT3 PORT2 1 9 LINK 1 2 3 2TX 2RX 1TX 1RX

OUT101 OUT102 OUT103

+

IN101 IN102 IN103 IN104

+ + +

OUT104 A04 A05 A06 A07 A08 A09 A10 A03

A02

A01 B01B02B03B04B05 B06 B07 B08

N.C

4.2. Communication Port

1) PORT1(232)

PORT1 has D-SUB 9pin as Male type and all pins are connected except pin number 9, RI(Ring Indicator).

Table 4-2.PORT1 Pin Description

Pin Signal Description

Figure 4-3.PORT1

1 DCD Data Carrier Detect

2 RXD Receive Data(IN)

3 TXD Transmit Data(OUT)

4 DTR Data Terminal Ready(OUT)

5 GND Ground

6 DSR Data Set Ready(IN)

7 RTS Request To Send(OUT)

8 CTS Clear To Send(IN)

9 N/C No Connection

2) PORT2(485)

PORT2 has 3pins as in ‘Table 4-3. PORT2 Pin Description’.

Table 4-3.PORT2 Pin Description

Pin Description Figure 4-4.PORT2 1 RS485+ 2 RS485- 3 SG (Cable Shield) PORT1 1 9 1T 1R 9: N/C 7: RTS 8: CTS 6: DSR3: TXD 1: DCD2: RXD 4: DTR 5: GND 950 + - SG PORT2 485 1 2 3 2T 2R 485

3) PORT3(ETHERNET)

PORT3 is RJ-45 that has 8pins as in ‘Table 4-4. PORT3 Pin Description’.

Table 4-4.PORT3 Pin Description

Pin Wire Color _{100Base-TX Signal} 10Base-T Signal

Figure 4-5.PORT3 1 White/Green Transmit+ 2 Green Transmit- 3 White/Orange Receive+ 4 Blue Unused 5 White/Blue Unused 6 Orange Receive- 7 White/Brown Unused 8 Brown Unused 4) PORT A(Option)

PORT A is RJ-45 and is used for communication with External I/O Unit ETIO10. For detailed information on External I/O Unit ETIO10, refer to

‘4.11. External I/O Unit ETIO10’.

Figure 4-6. PORT A(Option)

4.3. Current Input Terminal

Current connector starts from pin number 1(A phse), 2(B phase), 3(C phase), 4(N, ground), 5(SEF) in turn and each phase name is indicated at current input Input connector of ETR300. Connector type is STLZ960-10.

Table 4-5.Current Input Pin Description

Figure 4-7. Current Input Terminal

Pin IO1 IO2 IO3 IN Ise

Description _phase A _phaseB _phase C _phase N SEF

XPORT RJ45 PORT3 LINK 10M/100M PORT-A A TX A RX RS422

4.4. Voltage Input Terminal

Voltage connector receives source side 3 phases(A,B,C) voltages and load side 3 phases(R,S,T) voltages. Pin arrangement is as in ‘Table 4-6. Voltage Input Pin Description’. Connector type is STLZ960-6P and 8P.

Table 4-6. Voltage Input Pin Description

Pin V11 V12 V13 V21 V22 V23 V0

Default LCD

Display A B C R S T V0

Figure 4-8. Voltage Input Terminal

4.5. Monitor Terminal

It is input terminal to monitor ETR300 status and its pin arrangement is as in ‘Table 4-7. Monitors

Pin Description’.

Table 4-7. Monitors Pin Description

Figure 4-9. MoitersTerminal

Connector Pin Description

CN6 DC01 Gas Pressure, 10V

CN7 DC02 Spare, 20mA

4.6. Trip & Close Terminal

Output terminal to control ETR300 and its arrange is as in ‘Table 4-8. TRIP & CLOSE Pin

Description’.

Table 4-8. TRIP & CLOSE Pin Description

Figure 4-10. TRIP & CLOSE Terminal

Connector Pin Description

CN4 OUT202 CLOSE

OUT204 TRIP

CN5 DC POWER

4.7. Outputs

Digital Output(DO) terminal has total 2 relay output where sending a control signal, its pin arrangement is as follow.

4.8. Inputs

5 inputs of status provision.

Pin arrangement is as in ‘Table 4-9. Digital Input Pin Description’.

Table 4-9. Digital Input Pin Description

Figure 4-12. Digital Input Terminal

Connector Pin Description Connector Pin

CN2 01 Open status CN2 04 02 Close status 04 03 Manual Unlock 04 CN3 01 Door open status CN3 02, 05 04 Spare 02, 05

4.9. Power Input

Power Input Terminal for ETR300’s Power Supply . Pin Configuration is followed ‘Table 4-10.

Power Input Pin Description’.

Table 4-10. Power Input Pin Description

Figure 4-13. Power Input Terminal Pin Description

K01 Battery + Terminal K02 Battery –Terminal K03 AC 24V Input terminal K04 AC 24V Input terminal

4.10. Power Supply

Input and Output Terminal for Modem Power.

Figure 4-14. Power Input Terminal

CN1 Connector y P : DC 24V + (rectified voltage) y N : GND J Connector y P : DC 24V + y N : GND

4.11. External I/O Unit ETIO10(Option)

By using the EXT Port, the number of input and output channels of ETR300-R is expanded. External I/O Unit ETIO10 is configured the following way.

1) COM Port

y RJ-45

y ETR300-R Communication between side panel Port A and RS422

2) DC Power Input

y DC Power Voltage : 12, 24, 110Vdc

y DC Power Continuous : 4W Figure 4-15. External I/O Unit ETO10

3) Inputs Channels

y Input 12 Channels

y Nominal Voltages and Operating Range „ 250Vdc(-15%,+20%)

„ 125Vdc(-15%,+20%) „ 48Vdc(-15%,+20%) „ 24Vdc(-15%,+20%) „ 12Vdc(-10%,+30%)

4) Output Channels

y Output 8 Channels

y 300Vac / 350Vdc Varistor for differential surge protection y Operate / Release time : < 5ms at +20℃(+68℉)

y Maximum operating power

Table 4-11. Output Channel Contacts (L/R=7ms) 125Vdc 0.1A 48Vdc 0.8A 24Vdc 3A (cosΦ=0.4) 250Vac 3A 125Vac 5A

Figure 4-16. ETO10’s Side Panel

4 8 12 4 8 DI DO I/O UNIT ETIO10 RS422 PORT1 POW RUN TX RX LAMP TEST

IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9IN10 IN11IN12

OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 ALARM SG FG P N 05 06 04 A01 02 03 07 04 E01 02 03 08 09 10 B01 02 03 04 05 06 05 06 04 C01 02 03 07 08 D01 02 03 04 05 06 07 08 09 10 ELECTRIC & ELECTRONIC CO,, LTD.

5. USER INTERFACE PANEL

This section describes the User Interface Panel(front-panel)

User Interface Panel uses LCD(20×4) and keypad to provide any function selection for monitoring and LEDs indicates selected function status and recloser operation status.

The User interface Panel control is used for; y Directly control the recloser

y Verify control status y View system status y View metering value

y View information stored in the ETR300-R unit y View and change the ETR300-R settings

Figure 5-1. User Interface Panel

RESET LAMP TEST OPEN CLOSE 50 HIGH CURRENT BATTERY RUN DIAG/ERROR AC SUPPLY CLPU ON REVERSE POWER GROUND SEF C FAULT 51 FAST/DELAY 50 INSTANTANEOUS A FAULT B FAULT L1 L2 L3 L4 CHARGER 79 LOCKOUT 79 RESET 79 CYCLE RX / TX VA / VR VB / VS VC / VT AWAKE SET EVENT METER

Control & Communication Unit ETR300-R02

PORT F TRIP TEST ENABLED AUTO RESTORE FI B Phase Unbalance A Phase Unbalance C Phase Unbalance ABC / RST LIVE TAG LOCKED CONTROL ENABLED SEF ENABLED ENABLED GROUND RECLOSE ENABLED PROTECTION HOT LINE SETTINGS ALTERNATE ENABLED REMOTE ENT ESC FUN CHECK BATT'

5.1. Construction

Panel consists of 8 sections as below; y Operation section

y Local control section y Menu control section y Other control section y Fault indication section y Voltage elements section

y Reclosing Sequence status section y System diagnostic section

y Battery status section y User LED section y Other status section

5.1.1. Operation Section

OPEN

Pressing OPEN push-button sends a trip signal to the Recloser.

CLOSE

Pressing CLOSE push-button sends a close signal to the Recloser.

Units operating with firmware version 2.18 or later have a feature of Close Time Delay. The Close Time Delay allows a delay of 0.00 to 600.00 seconds after pressing the close push-button before closing the recloser.

POSITION LED

Indicates the position of the Recloser. Position indicator is based on the Recloser 52a contacts.

5.1.2. Local Control Section

All indicators show status of Control function. The indicators are continuously ON when the control function is enable and the indicators are continuously OFF when control function is DISABLE. The push-button toggles Enable/Disable

PROTECTION ENABLED

All Protection elements are enabled

GROUND ENABLED

Ground Protection elements are disabled

SEF ENABLED

SEF Protection elements are disabled

RECLOSE ENABLED

Reclose function is enabled

CONTROL LOCKED

Front panel function is unlocked

REMOTE ENABLED

Remote control is disabled

ALTERNATE SETTINGS

Alternate setting is disable Primary Setting is enable

LOOP CONTROL ENABLED

Loop control function is enabled

LOOP CONTROL AUTO RESTORE

Auto restoration function of is enabled

HOT LINE TAG

Hot Line Tag function is disabled

Figure 5-3. Local Control Section

Protection Enabled

When illuminated, all protection elements are enabled. The enabled protection condition can be disabled by pressing the Protection Enabled push button on the front panel.

NOTE : If “PROTECTION ENABLED” is ON, all protection elements are operating, however, Ground Overcurrent Protection Element and Sensitive Earth Fault Protection Element are individually set for enable or disable on front panel by LED ON/OFF button.

Ground Enabled

LED is ON and OFF by pressing a button. “PROTECTION ENABLED” LED is ON and GROUND ENABLED LED is ON, Ground Overcurrent Protection element operates. However, Even if “GROUND ENABLED” is ON and “PROTECTION ENABLED” LED is OFF, Ground protection does not operate. If “GROUND ENABLED” is OFF, “PROTECTION ENABLED” is ON, ground protection does not operate.

SEF Enabled

LED is ON and OFF by pressing a button. “PROTECTION ENABLED” LED is ON and SEF ENABLED LED is ON, sensitive earth fault protection element operates. However, Even if “SEF ENABLED” is ON and “PROTECTION ENABLED” LED is OFF, sensitive earth fault protection does not operate. If “SEF ENABLED” is OFF, “PROTECTION ENABLED” is ON, sensitive earth fault protection does not operate.

Reclose Enabled

When Reclose Enable LED is on, the reclose(79) element is enabled. The enabled reclose element can be disabled by pressing the Recloser Enabled push-button on the front panel.

Control Locked

When Control Locked LED is on, all functions in operation section and all functions in Local control section are locked. These can be unlocked by pressing the Control Locked push-button on the front panel

NOTE : Even though Control Locked function is locked, OPEN, Lamp Test, Battery Load Test and menu control section can be normally operated.

Remote Enabled

When Remote Enabled LED is on, all remote control functions (e.g. SCADA system) are enabled. This can be disabled by pressing the Remote Enabled push-button on the front panel. SCADA control refers to supported communications protocol such as DNP3.0

Alternate Enabled

When Alternate Enabled LED is on, the Alternate setting is activated. When Alternate Enabled LED is off, the primary setting is activated. Activated group on display, is applied to ‘GROUP Setting’.

Loop Control Enabled

When Loop Control Enabled LED is on, loop control function is enabled. SEC, MID can be selected on CLOSE status and TIE can be selected on OPEN status.

Loop Control Auto Restore

When Loop Control Auto Restore LED is on, auto restoration function is enabled. Auto restoration function is, after loop control operation, Auto Ret’ T” timer operates till timeout, and restores the preset values.

Hot Line Tag

When Hot Line Tag LED is on, the Hot Line Tag function is enabled.

5.1.3. Menu Control Section

ETR300-R has 20×4 LCD(Liquid Cristal Display) display.

LCD DISPLAY

4x20 Characters display

CONTROL KEYS [▲] [▼] [◀] [▶]

Arrow keys are used for the moving between the menu window and the changing of the setting value

[▲] (METER) : Up arrow key is used to move to the meter menu, operable in menu starting mode [▼] (AWAKE) : Down arrow key is used for panel awake from sleep mode

[◀] (EVENT) : Left arrow key is used to move to the event menu, operable in menu starting mode [▶] (SET) : Right arrow key is used to move to the setting menu, operable in menu starting mode [FUN] : To move to main menu when present mode is in starting mode

[ESC] : To cancel for data input mode or return the display to the previous level [ENT] : To select sub menu or data input

Figure 5-4. Menu Control Section

[FUN] Key

Press [FUN] key to enter Main menu for displaying information or changing settings. [FUN] key is also used to display a help message in setting change mode and to cancel the help message display.

[ESC] Key

The ESC key can be used to cancel data input mode and return to the previous menu.

[ENT] Key

ENT key is used to select a menu by using Up and Down arrow key. Enter key is also used to accept a new setting by using Up or down arrow key.

[◀] [▶] Key

Use the left and right arrow keys to move cursor when you are in the data input mode and when you change display message.

[▲] [▼] Key

Use Up and Down arrow keys to move through the various menus and to decrease or increase value when you are in the data input mode.

5.1.4. Other Control Section

BATT’ CHECK

Push-button for battery load test. Battery alarm setting, refer to TD menu.

TRIP TEST

Push-button for trip test. By pressing this butoon, fault simulation is activated like 1500A of fault current flow in phase A, B, C. Protection function is operated according to the user setting .

FI RESET

Reset fault indication/Lamp test

Figure 5-5. Menu Control Section

5.1.5. Fault Indication Section

On fault detection, protection elements and phase are displayed which detects more than overcurrent set level.

y Phase Time Over-current Elements – Fast/Delay y Phase High Current Trip Elements

y Phase Definite Time High Current Lockout Elements y Ground Time Over-Current Elements – Fast/Delay y Ground High Current Trip Elements

y Ground Definite Time High Current Lockout Elements y Sensitive Earth Time Over-Current Elements

y Negative Sequence Time OverCurrent Elements -Fast/Delay

y Negative Sequence High Current Trip Elements

y Negative Definite Time High Current Lockout Elements y Phase, Ground, Sensitive Earth and Negative Directional

Control

TRIP TYPE

y 51 FAST/DELAY : Shows delay trip

y 50 INSTANTANEOUS : Shows high current trip y 50 HIGH CURRENT : Shows high current lockout

FAULT INDICATION

y A, B, C FAULT : Indicates an over-current fault has occurred on one of the phase lines y GROUND : Indicates an over-current fault has occurred on the neutral line

y SEF : Indicates a sensitive earth fault has occurred on the neutral line

5.1.6. Voltage Elements Section

Indicates that voltage pickup element is operated. y Two Under voltage Elements

y Two Over voltage Elements y Synchronism Element y Under frequency Element y Hot Line Elements

A Phase Unbalance : A phase angle difference detected

B Phase Unbalance: B phase angle difference detected

C Phase Unbalance: C phase angle difference detected

ABC/RST LIVE : Source and load side live line status

Figure 5-7. Voltage Elements Section

VA/VR, VB/VS, VC/VT : Each phase Phase Open/Loss Status

5.1.7. Reclosing Sequence Status Section

Indicates the current status of programmed sequence procedure.

79 RESET : Sequence shows resetting

79 CYCLE : Sequence shows running

79 LOCKOUT : Sequence shows lockout

Figure 5-8. Sequence Status Section

VA / VR VB / VS VC / VT B Phase Unbalance A Phase Unbalance C Phase Unbalance ABC / RST LIVE

5.1.8. System Diagnostic Section

Indicates Diagnostic status of the ETR300-R. RUN LED(green) indicates the ETR300-R has successfully passed its internal diagnostic test. DIAG/ERROR LED(Red) indicates the ETR300-R has failed its internal diagnostic test. RX/TX LED(Red) shows Communication status of ETR300-R.

RUN

Status of ETR300-R systems shows normal

DIAG/ERROR

Status of ETR300-R systems shows warning

RX

Shows the data receiving status for remote communication.

Figure 5-9. System Diagnostic Section

TX

Shows the data transferring status for remote communication.

NOTE : RUN LED is blinking when system functional status is normal

5.1.9. Battery Status Section

Indicates the system power status of the ETR300-R. AC SUPPLY indicates the ETR300-R has external power source. CHARGER LED shows ETR300-R charging status, BATTERY LED shows ETR300-R battery status.

AC SUPPLY

Status of supplying the external AC power.

CHARGER

If Charger LED is On, charger is normal status. Charging voltage is always monitored, refer to TD menu for detail.

BATTERY

If Battery LED is On, battery is normal status.

To check the battery, do battery load test and check LED status.

5.1.10. User LED Section

Status of PLC logic which is set by a user is displayed. PLC logic is set in ‘ETR300-R interface software’. Factory default setting is as follows.

Figure 5-11. User LED Section

Table 5-1. Default User LED Function

LED No Name Descrpition

L1 MLOCK L1 becomes ON when handle is locked.

L2 GASLOW +

GASHIGH

L2 becomes ON when gas pressure is low or high.

L3 DSPLINK L3 becomes ON when dsp bord linked.

L4 CPULINK L4 becomes ON when communication bord linked.

5.1.11. Other Status Section

REVER POWER

When reverse current flows, REVERSE POWER LED becomes On. Reverse power is determined by 3-phase power factor.

CLPU ON

In the Cold Load Duration, CLPU ON LED becomes On.

5.2. LCD Display

20 × 4 character LCD which has back-light support, is used for a user to operate conveniently and to check operation status clearly.

Figure 5-13. Initial Logo and Main Menu

5.2.1. MENU STRUCTURE TREE

y Screen structure consists Initial Logo and Main menu. y Initial screen and all menu are round robin algorithm.

y Menu screen is divided in to Setting and Event management menu. y Main menu has 7 sub-menus.

[MAIN MENU] >1.SYSTEM

>1.POWER LINE 2.CURRENT SENSING 3.VOLTAGE SENSING 4.CB OPENING TIME 5.GAS SENSOR TYPE 6.TIME ZONE >2.COMMUNICATION >1.PROTOCOL SETUP

>1.DNP3 S1 2.DNP3 S2 3.IEC870-5-101 4.IEC870-5-104 5.MODBUS >1.GLOBAL SETTING >1.PORT1(232) 2.PORT3(485) 3.PORT4(ETHERNET) 4.PORTF(232) >3.EVENT RECORDER >4.MONITORING >1.COMMON >1.LOGIC TIMER 2.PULSE TIMER 3.PULSE COUNTER >7.PLC

>2.DI/DO >1.INPUT DEBOUNCE 2.OUTPUT PULSE TIME >1.TIME DISP’TYPE

2.PANEL SLEEP TIME 3.Vo SELECT 4.FACTORY DEBUG 5.AUTO SGRP CHANGE 6.H/W OPTION >8.OTHERS >2.GROUP SETTING >4.SELECT SETBANK >2.ALTERNATE >19.DIRECTION >*.SAVE SETTING >1.PHASE 2.GROUND 3.SEF 4.NEG SEQ >3.EVENT >1.OPERATION 2.FAULT 3.FAULT CYCLE 4.SYSTEM 5.SET CHANGE 6.AVER.LOAD/MIN 7.PEAK.LOAD/HOUR 8.PEAK.LOAD/DAY 9.DIGNOSTIC 10.PQM 11.ALARM CURRENT >4.MAINTENANCE >1.COUNT >2.INTERRUT TIME 3.CONTACT WEAR >4.DATA RESET >1.CCU 2.OPERATION 3.FAULT 4.PQM 5.COMMUNICATION >1.CCU COUNT 2.OPERATION COUNT 3.FAULT COUNT 4.PQM COUNT 5.COM’COUNT 6.COUNT ALL 7.INTERRUT TIME 8.CONTACT WEAR 9.ENERGY 10.MAX DEMAND 11.PEAK CURRENT 12.COMM BUFF 13.ABOVE ALL >5.CCU INFO >1.RECLOSER 2.INPUT PORTS 3.OUTPUT PORTS >6.STATUS >5.TIME >7.METERING >1.CURRENT 2.VOLTAGE 3.FREQUENCY 4.POWER 5.ENERGY 6.DEMAND 7.UNBALANCE 8.HARMONICS 9.TRUE R.M.S 10.TD 11.CCU SEF >1.SYNCHROCHECK 2.OPERATION COUNT 3.CONTACT WEAR 4.BATTERY TEST >5.PQM >3.DIALUP MODEM >2.PORT SETUP >5.LOOP CONTROL >3.PICKUP CURRENT 4.PHASE FAST 5.PHASE DELAY 6.GROUND FAST 7.GROUND DELAY 8.SEF ELEMENT 9.NEG SEQ FUNC 10.NEG SEQ FAST 11.NEG SEQ DELAY 12.H/C TRIP-PHA 13.H/C TRIP-GND 14.H/C TRIP-NEG 15.H/C LOCKUOT-PHA 16.H/C LOCKUOT-GND 17.H/C LOCKUOT-NEG 18.COLD LOAD PICKUP >1.PQM FUNCTION 2.INTERRUPT 3.SAG 4.SWELL 5.HARMONICS 6.CURR UNBALANCE 7.VOLT UNBALANCE 8.UNDER VOLTAGE 9.OVER VOLTAGE 10.UNDER FREQUENCY 11.ITHD/UBI I LIMIT >1.USER CURVE 1 2.USER CURVE 2 3.USER CURVE 3 4.USER CURVE 4 >25.LIVE LINE 26.DEMAND 27.OTHER ELEMENT 28.ON/OFF LEVEL 29.ALARM CURRENT 30.LOSS OF PHASE *.SAVE SETTING >12.CLEAR SAVED DATA

>1.OPERATION 2.FAULT 3.FAULT WAVE 4.SYSTEM 5.SET CHANGE 6.LOAD PROFILE 7.DIGNOSTIC 8.PQM 9.PQM WAVE 10.ALARM CURRENT 11.ABOVE ALL >1.PRIMARY >1.UNDER/OVER VOLT 1 2.UNDER/OVER VOLT 2

>23.LIVE LOAD BLOCK >21.FREQUENCY >20.VOLTAGE >3.EDITBANK >1.DIAL1 >6.PASSCODE >1.PASSCODE1 2.PASSCODE2 >2.INTERVALS >1.PHASE/NEG SEQ’ 2.GROUND 3.SEF 4.OTHERS >1.OPERATION >1.UNDER/OVER FREQ’ >22.USER CURVE >24.HOTLINE TAG >1.PHASE 2.GROUND 3.SEF 4.NEG SEQ >4.EVENT&ETC SETUP 5.FTP FILE TRANSFER *.SAVE SETTING >1.CALLING STRING 2.CALLING NUMBER 3.INITIAL STRING 4.CONNECTION >6.TD MONITOR 7.FAULT LOCATOR

*. Note ) Menu Structure Tree may be different according to the version and option of ETR300-R.

5.2.2. GLOBAL Setting

SYSTEM

Set items related to system elements.

Consists of POWER LINE, CURRENT SENSING, VOLTAGE SENSING, CB OPENING TIME, GAS SENSOR TYPE and TIME ZONE.

TIME ZONE menu is optional and related Time Synchronization Module(GPS or IRIG).

COMMUNICATION

Set items related to communication elements.

Consists of PROTOCOL SETUP, PROT SETUP, DIALUP MODEM, EVENT&ETC and FTP FILE TRANSFER.

EVENT RECORDER

Set items related to fault wave recorder elements.

MONITORING

Set items related to measurement and maintenance.

Consists of SYNCHROCHECK, OPERATION COUNT, CONTACT WEAR, BATTERY TEST, PQM, PD and TD MONITOR.

LOOP CONTROL

Set items related to loop control elements.

PASSCODE

Set items related to passcode sequrity. Consists of PASSCODE1 and PASSCODE2.

PASSCODE2 is related communication settings and PASSCODE1 is related other settings.

PLC

PLC (Programmable Logic Control) elements and related elements are set. This menu consists of COMMON and DI/DO sub-menu.

OTHERS

Set items related to other elements.

Consists of TIME DISP’ TYPE, PANEL SLEEP TIME, Vo SELECT, FACTORY DEBUG and

AUTO SET-GROUP CHANGE

SAVE SETTING

Save all changed values.

5.2.3. GROUP Setting

This menu is divided into Primary group and Alternate group for user’s convenient. A group is selected by ON/OFF ‘ALTERNATE SETTINGS’ LED on ETR300-R panel.

(1) Select Set-group

Consists of Primary group and Alternate group.

y PRIMARY GROUP : If ‘ALTERNATE SETTINGS’ LED is OFF, primary group settings are applied to protection elements.

y ALTERNATE GROUP : If ‘ALTERNATE SETTINGS’ LED is ON, alternate group settings are applied to protection elements.

Ficture 5-15. PRIMARY GROUP and ALTERNATE GROUP

[ALTERNATE SETTINGS] button is used to select a group to apply present protection elements.

(2) Select Setbank

ETR300-R has 6 SetBanks(BANK1 ~ BANK6). In this menu, Primary, Alternate and Edit bank select SetBank.

y Primary : Select SetBANK to be applied to System.

y Alternate : Press [Alternate Enable] button and select a SetBANK to apply in the system. y Edit : Select a SetBANK to edit.

(3) Primary Setting

Set items related to protection elements.

(4) Alternate Setting

Protection elements and its related elements are set in this menu. Set elements are the same as“PRIMARY SETTING” . Protection elements and related elements are set in this menu. Set elements are the same as “PRIMARY SETTING”.

[GROUP SETTING] >1.PRIMARY

(5) Editbank Setting

Protection elements and its related elements are set in this menu. Set elements are the same as“PRIMARY SETTING” . Protection elements and related elements are set in this menu. Set elements are the same as “PRIMARY SETTING”.

5.2.4. Event

ERT300-R Event information is shown in this menu.

Consists of OPERATION, FAULT, FAULT CYCLE, SYSTEM, SET CHANGE, AVER.LOAD/MIN, PEAK.LOAD/HOUR, PEAK.LOAD/DAY, DIAGNOSTIC, PQM, ALARM CURRENT and CLEAR SAVED DATA.

5.2.5. Maintenance

Shows about Event Maintenance items.

y COUNT : Shows counters related with system restart and diagnostic. y INTERRUT TIME : Interruption occurring cumulated time is displayed. y CONTACT WEAR : Shows any damage Interrupter.

y DATA RESET : Maintenance related data is Reset. y CCU INFO : Present ETR300-R information is displayed. For more detail information, please refer to “9. Maintenance” .

5.2.6. Time

Present time can be set and checked.

5.2.7. Status

Present status of recloser and Input/Output are displayed.

5.2.8. Metering