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GRD150

Phase Undercurrent Protection

Undercurrent 1

, 2

threshold:

OFF, 0.10 – 2.00A in 0.01A steps (1A rating)
OFF, 0.5 – 10.0A in 0.1A steps (5A rating)

DTL Delay:

Inst, 0.01 – 300.00s in 0.01s steps

Broken Conductor Protection

Broken conductor threshold (I

OFF, 0.10 – 1.00 in 0.01 steps

DTL delay:

Inst, 0.01 – 300.00s in 0.01s steps

CBF Protection

CBF threshold:

OFF, 0.10 – 2.00A in 0.01A steps (1A rating)
OFF, 0.5 – 10.0A in 0.1A steps (5A rating)

CBF back trip DTL:

Inst, 0.01 – 300.00s in 0.01s steps

CBF Retrip DTL:

Inst, 0.01 – 300.00s in 0.01s steps

Accuracy

IDMTL Overcurrent Pick-up:

Setting value

All Other Overcurrent Pick-ups:

Setting value

Overcurrent PU/DO ratio:

≥

95%

Undercurrent Pick-up:

Setting value

Undercurrent PU/DO ratio:

≤

105%

IDMTL Overvoltage Pick-up:

Setting value

All Other Overvoltage Pick-ups:

Setting value

Inverse Time Delays:

5% or 30ms (1.5 to 30 times setting)

Definite Time Delays:

1% (for more than 1s setting) or 10ms

Transient Overreach for instant. elements:

−

5% for X/R = 100.

Synchronism Check Function (option)

Synchronism check angle:

5 – 75

in 1

steps

Frequency difference check:

0.02 – 0.50Hz in 0.01Hz steps

Voltage difference check:

5.0 – 150.0V in 0.1V steps

Voltage dead check:

5.0 – 150.0V in 0.1V steps

Voltage live check:

5.0 – 150.0V in 0.1V steps

Auto-Reclose (option)

ARC Reclaim Time

0.0 – 600.0s in 0.1s steps

Close Pulse Width

0.01 – 10.00s in 0.01s steps

Lock-out Recovery Time

OFF, 0.1 – 600.0s in 0.1s steps

Sequences

1 – 5 Shots to Lock-out, each trip programmable for Inst or
Delayed operation.

Dead Times
(programmable for each shot)

0.01 – 300.00s in 0.01s steps

Metering Function

Current

IL1, IL2, IL3, 3Io. Accuracy

0.5% (at rated frequency)

Voltage

V12, V23, V31, 3Vo. Accuracy

0.5% (at rated frequency)

Power

P, Q, cos

, Wh, varh. Accuracy

1% (at rated frequency)

Frequency Accuracy

0.05Hz

Control and Monitoring Function

Control devices

Circuit breaker

Disconnector

Earthing disconnector switch

Control input
Interlock setting
Interlock bypass setting
Operate time counter
Breaker travel time
Double command blocking
Control blocking

Содержание GRD150

Страница 1: ......

Страница 2: ...for protection control metering and supervision of medium voltage networks GRD150 includes multiple high accuracy overcurrent protection elements for phase and or earth fault with inverse time IDMTL and definite time delay DTL functions All phase earth and sensitive earth fault overcurrent elements can be independently subject to directional control The directional elements provide user settable c...

Страница 3: ...ilure protection CBF Cold load pick up feature Overvoltage OV IDMTL DTL INST Undervoltage UV IDMTL DTL INST Zero phase sequence overvoltage ZOV IDMTL DTL INST Negative phase sequence overvoltage NOV IDMTL DTL INST Under over frequency FRQ Autoreclose function Fault locator Indication of the status of switching devices Open and close commands for switching devices Synchronism check function MIMIC c...

Страница 4: ...g disconnector switches Interlock check Synchronism check for circuit breaker closing option MIMIC configuration picture displayed on LCD Double command blocking Switchgear operation counter Control blocking Password protection is provided to operate above functions Monitoring and Metering Status monitoring of switchgear devices and failure monitoring of power apparatus control equipment protectio...

Страница 5: ...1 00 10 00 100 00 1000 00 0 1 1 Current Multiple of Setting Time s MI VI EI STI I c Is I k TMS t 1 α 2 1 S r I I t RTMS t Inverse time operate function Dependent time reset function Constants for dependent time curves Curve Description k α C tr IEC Normal Inverse NI 0 14 0 02 0 IEC Very Inverse VI 13 5 1 0 IEC Extremely Inverse EI 80 2 0 UK Long Time Inverse LTI 120 1 0 IEEE Moderately Inverse MI ...

Страница 6: ... monitor real time metering and analyse recorded data A maximum of 32 relays can be connected to the remote PC in multi drop mode by connection via a protocol converter with data transmission rate of 64kbps using RSM X protocol Modbus RTU protocol can be also available The figures below show the configuration of the RSM system and typical displays from the RSM100 software Using an additional port ...

Страница 7: ... Alarm record Setting Record disturbance record data analysis Status display measurement values of power system quantities and status of relay element etc Setting change settings of protection relay and control function etc Record display fault record event record alarm record and disturbance record ...

Страница 8: ...ion Functions Current Transformer Requirements Phase Inputs Typically 5P20 with rated burden according to load refer to manual for detailed instructions Standard Earth Inputs Core balance CT or residual connection of phase CTs Sensitive Earth Inputs Core balance CT Non directional Phase Overcurrent Protection OC 1 st Overcurrent threshold OFF 0 04 5 00A in 0 01A steps 1A rating OFF 0 2 25 0A in 0 ...

Страница 9: ...0 001A steps 5A rating Delay Type DTL IEC NI IEC VI IEC EI UK LTI IEEE MI IEEE VI IEEE EI US CO8 I US CO2 STI User SI IDMTL Time Multiplier Setting TMS 0 010 1 500 in 0 001 steps DTL delay Inst 0 01 300 00s in 0 01s steps Reset Type Definite Time or Dependent Time Reset Definite Delay Instantaneous 0 1 300 0s in 0 1s steps Reset Time Multiplier Setting RTMS 0 010 1 500 in 0 001 steps SEF 3 rd 4 th...

Страница 10: ...iplier Setting TMS 0 010 1 500 in 0 001 steps DTL delay Inst 0 01 300 00s in 0 01s steps Reset Type Definite Time or Dependent Time Reset Definite Delay Instantaneous 0 1 300 0s in 0 1s steps Reset Time Multiplier Setting RTMS 0 010 1 500 in 0 001 steps DEF 3 rd 4 th thresholds OFF 0 04 50 00A in 0 01A steps 1A rating OFF 0 2 250 0A in 0 1A steps 5A rating DTL delay Inst 0 01 300 00s in 0 01s step...

Страница 11: ...resholds OFF 5 0 130 0V in 0 1V steps Delay type 1st threshold only DTL IDMTL IDMTL Time Multiplier Setting TMS 0 05 100 00 in 0 01 steps DTL delay Inst 0 01 300 00s in 0 01s steps Reset Delay 1 st threshold only Instantaneous 0 1 300 0s in 0 1s steps Zero Sequence Overvoltage Protection ZOV 1 st 2 nd Overvoltage thresholds OFF 5 0 130 0V in 0 1V steps Delay type 1st threshold only DTL IDMTL IDMTL...

Страница 12: ...setting or 10ms Transient Overreach for instant elements 5 for X R 100 Synchronism Check Function option Synchronism check angle 5 75 in 1 steps Frequency difference check 0 02 0 50Hz in 0 01Hz steps Voltage difference check 5 0 150 0V in 0 1V steps Voltage dead check 5 0 150 0V in 0 1V steps Voltage live check 5 0 150 0V in 0 1V steps Auto Reclose option ARC Reclaim Time 0 0 600 0s in 0 1s steps ...

Страница 13: ...r 62 5 125µm fibre Cable length 1000m max Connector ST Transmission rate 9 6 19 2kbps IRIG B Connection Screw terminals Binary Inputs Operating voltage Typical 74Vdc min 70Vdc for 110V 125Vdc rating Typical 138Vdc min 125Vdc for 220V 250Vdc rating Typical 31Vdc min 28Vdc for 48V 54V 60Vdc rating Typical 15Vdc min 14Vdc for 24Vdc rating Binary Outputs Number 8 32 Ratings for tripping auxiliary rela...

Страница 14: ... Wave IEC60255 22 1 Class 3 IEC61000 4 12 1MHz 2 5kV applied to all ports in common mode 1MHz 1 0kV applied to all ports in differential mode Electrostatic Discharge IEC60255 22 2 Class 3 IEC61000 4 2 6kV contact discharge 8kV air discharge Radiated RF Electromagnetic Disturbance IEC60255 22 3 Class 3 IEC61000 4 3 Note Class 4 with cover Field strength 10V m for frequency sweeps of 80MHz to 1GHz a...

Страница 15: ...220Vdc 200Vac Operative range 170 300Vdc of 220Vdc rated voltage 200 240Vac of 200Vac rated voltage 48Vdc Operative range 38 4 72Vdc Burden less than 20W Communication port RS232C interface Connector type Cable type RS232C 9 pin D subminiature connector female Multi core straight RS485 interface Connector Cable type Screw terminals Phoenix Contact FRONT type Twisted pair cable Optical interface Op...

Страница 16: ...5A 60Hz 110 125Vdc 100 120Vac 1A 50Hz 220 250Vdc 100 120Vac 1A 60Hz 220 250Vdc 100 120Vac 5A 50Hz 220 250Vdc 100 120Vac 5A 60Hz 220 250Vdc 100 120Vac 1A 50Hz 48 54 60Vdc 100 120Vac 1A 60Hz 48 54 60Vdc 100 120Vac 5A 50Hz 48 54 60Vdc 100 120Vac 5A 60Hz 48 54 60Vdc 100 120Vac 1A 50Hz 24Vdc 100 120Vac 1A 60Hz 24Vdc 100 120Vac 5A 50Hz 24Vdc 100 120Vac 5A 60Hz 24Vdc 1 2 3 4 5 6 7 8 A B C D E F G H Hardw...

Страница 17: ...orts Electrical signal RS485 8 ports Electrical signal RS485 8 ports Electrical signal RS485 Max 8 Optical signal Max 1 8 ports Electrical signal RS485 Max 8 Optical signal Max 4 8 ports Electrical signal RS485 Max 4 Optical signal Max 8 1 port Electrical signal RS485 or Optical signal 1 port Optical signal 4 ports Optical signal 8 ports Optical signal 101 104 108 118 148 184 111 110 140 180 AC po...

Страница 18: ...13 BI8 BI9 BI10 TB3 14 TB3 15 TB3 16 Relay Failure Trip 1 Trip 2 TB2 6 TB2 4 TB2 5 TB4 18 TB4 19 TB4 20 IO1 IO1 IO2 is prov ided with Model 2 3 and 4 IO3 is prov ided with Model 3 and 4 IRIG B TB2 7 TB2 8 TRP1 TB3 20 TB4 17 TB4 16 TB4 15 TB4 14 TB4 13 TB4 12 TB4 11 TB4 10 TB4 9 TB4 8 TB4 7 TB4 6 TB4 5 TB4 2 TB4 1 TB3 19 TRP2 BO1 BO2 BO3 BO4 BO5 BO6 TCS TCS TB5 1 TB5 2 TB5 3 TB5 4 TB5 5 TB5 6 TB5 7...

Страница 19: ...anel cut out Figure 8 Outline and Panel Cut out Dimension 34 75 190 5 260 6 2 235 4 223 4 φ5 5 266 254 Rear View 17 18 TB1 VCT 1 2 E TB3 20 1 19 2 TB4 20 1 19 2 TB2 1 8 7 2 TB5 20 19 2 TB6 20 1 19 2 TB7 20 1 19 2 TB8 20 1 19 2 TB9 20 1 19 2 TB10 20 1 19 2 SPMM IO1 IO2 IO3 IO4 Model 1 IO1 only Model 2 IO1 IO2 Model 3 IO1 IO2 IO3 Model 4 IO1 IO2 IO3 IO4 1 ...

Страница 20: ...T1 The data given in this catalog are subject to change without notice Power Systems Company 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN PHONE 81 3 3457 3644 FAX 81 3 5444 9168 http www toshiba relays com ...

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