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GRD110

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Figure 5 - Relay Setting and Monitoring System - PC Displays

PC DISPLAY

Setting

Event record

Metering

Data analysis

Fault record

08.02.18　GRD110_CS3.indd

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Summary of Contents for GRD110

Page 1: ......

Page 2: ...t inputs fitted see Table 1 Table 1 GRD110 Models Model Configuration GRD110 110 Earth Fault and Sensitive Earth Fault GRD110 400 Three Phase Fault and Earth Fault GRD110 420 Three Phase Fault Earth Fault and Sensitive Earth Fault GRD110 500 Three Phase Fault and Earth Fault and Auto reclose GRD110 520 Three Phase Fault Earth Fault Sensitive Earth Fault and Auto reclose All models include multiple...

Page 3: ...r 9 9 9 9 Circuit Breaker Fail 50BF 9 9 9 9 Inrush current detector 9 9 Cold Load Protection 9 9 9 9 Auto reclose 79 9 9 Trip circuit supervision 9 9 9 9 9 Self supervision 9 9 9 9 9 CB State Monitoring 9 9 9 9 9 Trip Counter Alarm 9 9 9 9 9 Iy Alarm 9 9 9 9 CB Operate Time Alarm 9 9 9 9 9 Four settings groups 9 9 9 9 9 Metering 9 9 9 9 9 Fault records 9 9 9 9 9 Event records 9 9 9 9 9 Disturbance...

Page 4: ...ics other than the fundamental power system frequency The sensitive earth fault quantity is measured directly using a dedicated core balance earth fault CT This input can also be used in transformer restricted earth fault applications by the use of external metrosils and setting resistors Phase Undercurrent Protection Protection against loss of load is provided by the phase undercurrent protection...

Page 5: ...gisation This is achieved by a Cold Load Settings Group in which the user can programme alternative settings Normally the user will choose higher current settings and or longer time delays and or disable elements altogether within this group Auto Reclose GRD110 500 and 520 provides an auto reclose function Four independent sequences are provided one for each of the following Phase fault Earth faul...

Page 6: ...g Time s MI VI EI STI I º ª u c Is I k TMS t 1 D RTMS Is I kr tdo u º ª E 1 Inverse time operate function Dependent time reset function Constants for dependent time curves Curve Description k D C kr E 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 0 0515 0 02 0 114 4 85 2 IEEE Very Inverse V...

Page 7: ...90 prior load 0 001 0 01 0 1 1 10 100 1000 1 10 Overload Current Multiple of k IFLC Operate Time minutes W 100 W 50 W 20 W 10 W 5 W 2 W 1 º ª 2 2 2 FLC I k I I Ln t W º ª 2 2 2 2 FLC P I k I I I Ln t W IEC60255 8 Cold Curve IEC60255 8 Hot Curve t time to trip for constant overload current I seconds I overload current largest phase current pu IP previous load current pu k IFLC or IT thermal overloa...

Page 8: ...GRD110 110 The operating time monitor records the time between issuing the tripping signal and the phase currents falling to zero An alarm is issued when the operate time for any phase exceeds a user defined setting The CB condition monitoring functions are triggered each time a trip is issued and they can also be triggered by an external device via a binary input METERING AND RECORDING Metering T...

Page 9: ...ion with a substation control and monitoring system and is used to transfer measurand data status data and general commands between the relay and the control system Relay Setting The user can modify relay settings either using the front panel keypad or using the RSM100 software from a local or remote PC Password protection is available for added security Four settings groups are provided allowing ...

Page 10: ...GRD110 10 Figure 5 Relay Setting and Monitoring System PC Displays PC DISPLAY Setting Event record Metering Data analysis Fault record ...

Page 11: ... d 0 5W per input at 110Vdc 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 Phase Overcurrent Protection P F 1 st 2 nd Overcurrent threshold OFF 0 04 5 00A in 0 01A steps 1A rating OFF 0 2 25 0A i...

Page 12: ... 1 RTMS 0 010 1 500 in 0 001 steps Stage 2 DTL delay for SEF 1 st 0 00 300 00s in 0 01s steps SEF 3rd 4th thresholds OFF 0 004 1 000A in 0 001A steps 1A rating OFF 0 02 5 00A in 0 01A steps 5A rating DTL delay 0 00 300 00s in 0 01s steps Phase Undercurrent Protection Undercurrent 1 st 2 nd 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 0 00 300 00...

Page 13: ...ure connector female Rear Communication port remote PC RS485 Connection Multidrop max 32 relays Cable type Twisted pair cable with shield Cable length 1200m max Connector Screw terminals Isolation 2kVac for 1 min Transmission rate 64kpbs for RSM system 9 6 19 2kbps for IEC60870 5 103 Rear Communication port remote PC Fibre Optic for IEC60870 5 103 option Cable type Graded index multi mode 62 5 125...

Page 14: ... Disturbance IEC60255 22 3 Class 3 IEC61000 4 3 EN61000 4 3 Field strength 10V m for frequency sweeps of 80MHz to 1GHz and 1 4GHz to 2 7GHz Additional spot tests at 80 160 450 900 1850 and 2150MHz Fast Transient Disturbance IEC60255 22 4 IEC61000 4 4 EN61000 4 4 4kV 2 5kHz 5 50ns applied to all inputs Surge Immunity IEC60255 22 5 IEC61000 4 5 EN61000 4 5 1 2 50Ps surge in common differential modes...

Page 15: ...odel 420 Three phase earth and sensitive earth fault 420 Model 500 Three phase and earth fault with auto reclose 500 Model 520 Three phase earth and sensitive earth fault with auto reclose 520 CT Rating 1A 1 5A 2 Frequency 50Hz 1 60Hz 2 DC auxiliary supply rating 110V 125V 1 220V 250V 2 48V 54V 60V 3 Rear communication port RS485 1 Fibre optic 2 Dual RS485 3 GRD110 A ...

Page 16: ...B7 㪙㪦㪉 A6 B6 B8 A8 㪙㪦㪊 A9 B9 A10 B10 㪙㪦㪋 A11 B11 A13 B13 㪙㪦㪌 A12 B12 A14 B14 㪙㪦㪍 A15 B15 A16 B16 㪙㪦㪎 B17 A17 FAIL A18 B18 TB3 B4 8 7 BUSBAR 6 CB FRAME EARTH IE ISE TB1 5 CT Core balance CT P B1 BI1 B2 BI2 B3 BI3 A2 A3 B4 BI4 A4 B5 BI5 A5 B6 BI6 A6 B7 BI7 A7 B8 BI8 A8 TB2 A1 N BI1 COMMAND BI2 COMMAND BI3 COMMAND BI4 COMMAND BI5 COMMAND BI6 COMMAND BI7 COMMAND BI8 COMMAND TB4 A2 COM2 B COM2 A RS485 ...

Page 17: ... A8 㪙㪦㪊 A9 B9 A10 B10 㪙㪦㪋 A11 B11 A13 B13 㪙㪦㪌 A12 B12 A14 B14 㪙㪦㪍 A15 B15 A16 B16 㪙㪦㪎 B17 A17 FAIL A18 B18 BUSBAR 4 3 2 6 5 CT CB FRAME EARTH 8 7 IA IB IC IN TB1 1 TB3 B4 P B1 BI1 B2 BI2 B3 BI3 A2 A3 B4 BI4 A4 B5 BI5 A5 B6 BI6 A6 B7 BI7 A7 B8 BI8 A8 TB2 A1 N BI1 COMMAND BI2 COMMAND BI3 COMMAND BI4 COMMAND BI5 COMMAND BI6 COMMAND BI7 COMMAND BI8 COMMAND TB4 A2 COM2 B COM2 A RS485 I F for IEC60870 5...

Page 18: ... A9 B9 A10 B10 㪙㪦㪋 A11 B11 A13 B13 㪙㪦㪌 A12 B12 A14 B14 㪙㪦㪍 A15 B15 A16 B16 㪙㪦㪎 B17 A17 FAIL A18 B18 TB3 B4 4 3 2 6 5 FRAME EARTH 8 7 IA IB IC ISE TB1 1 BUSBAR CB CT Core balance CT P B1 BI1 B2 BI2 B3 BI3 A2 A3 B4 BI4 A4 B5 BI5 A5 B6 BI6 A6 B7 BI7 A7 B8 BI8 A8 TB2 A1 N BI1 COMMAND BI2 COMMAND BI3 COMMAND BI4 COMMAND BI5 COMMAND BI6 COMMAND BI7 COMMAND BI8 COMMAND TB4 A2 COM2 B COM2 A RS485 I F for ...

Page 19: ...4 5 TB3 Rear view E TB1 TB2 TB4 TB1 TB2 TB3 Screw terminal M3 5 Ring TB4 Screw terminal TB4 is provided only for dual RS485 model Terminal block TB3 A1 B1 A18 B18 1 2 3 4 5 6 TB1 TB2 A1 B1 A10 B10 7 8 A1 A3 TB4 B1 B3 104 2 5 8 IN SERVICE TRIP ALARM VIEW RESET Front view END CEL CAN ENTER 185 2 32 15 6 Side view ...

Page 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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