Toshiba GR200 Series Instruction Manual page 125

Centralized busbar protection ied

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Operation example of Command-transfer-trip

Figure 2.4-7 shows double busbars with a transfer busbar. Feeder4 is being operated as the

transfer busbar. Let us suppose CH6 receives a falling gas-pressure signal via PLC connection

point "COMTP_INIT_CH6" (Step 1). The CHs (i.e., CH1, CH3, and both CH5 and CH6) can

issue Command-trip signals to the TRC for tripping the local CBs of Zone A and Zone C (Step

2). If it is required to tripping the remote CB beyond Feeder4, and when the below feeder

configuration is observed in the Replica evaluation, the COMTP function can trip the remote

CB (i.e., the COMTP function can issue a Command-transfer-trip signal to the TRC function

Figure 2.4-7 Example of Command-Transfer-trip

beyond Feeder 4

Step3 CB Tripped

Centralized GRB200

(Soft: 030, 031, 032, 033, 034)

6F2S1931 (0.20)

CBC Coupler CB

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