Transfer Trip Function - Toshiba GRL150-100 Series Instruction Manual

Line differential relay
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2.11 Transfer Trip Function

The GRL150 provides the transfer trip function which receives a trip signal from the remote
terminal and outputs a trip command. Two transfer trip commands are provided. The scheme logic
is shown in Figure 2.11.1. When the scheme switch [TTSW∗] is set to "TRIP", the binary output
for tripping is driven. When set to "BO", the binary output for tripping is not driven and only
user-configurable binary output is driven.
1648
TR1-R1
1649
TR2-R1
Setting
The setting elements necessary for the transfer trip function and their setting ranges are as follows:
Element
[TTSW1]
[TTSW2]
[TTSW1]
"TRIP
"BO"
+
1554
TR1_BLOCK
[TTSW1]
"TRIP
"BO"
+
1555
TR2_BLOCK
Figure 2.11.1
Transfer Trip Scheme Logic
Range
Step
Off / Trip / BO
Off / Trip / BO
⎯ 49 ⎯
340
&
341
&
1
342
&
343
&
1
Default
Remarks
Off
Transfer trip for CH1
Off
Transfer trip for CH2
6 F 2 S 0 8 2 8
TR1_TRIP
INTER_TRIP1
TR2_TRIP
INTER_TRIP2

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Grl150-400 seriesGrl150-100a-10-10

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