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Line distance protection REL670
Version 2.2
TRIP BUSBAR
79
O->I
94/86
I->O
50BF
3I>
21
Z <
5
5
51/67
3I>
4
4
51N/67N
IN>
4
4
59
3U>
2
2
27
3U<
2
2
IEC05000276-1 V1 EN-US
Figure 5. The single breaker packages for single- and three phase tripping typical arrangement for one protection sub-system is shown here.
Hitachi Energy
SEMOD51303-4 v7
BUS B
BUS A
25
CLOSE
SC/VC
TRIP
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en05000276.vsd
1MRK 506 372-BEN Q
13
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