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GEK-34055
5 5
5
51-2 51-1
5
51H
-
..§ZL
�
( t)
BUS
D - C TRIP
c
-1
51H
51-2
1
5
2
3
A
A
�
�
52A
52B
TC
TC
-
)
(
(
)
FIG. 15
0246A6967-0
EXTERNAL CONNECTIONS OF FOUR IAC78A RELAYS PROTECTING A 3-PHASE CIRCUIT
AGAINST MULTI -PHASE AND PHASE TO GROUND FAULTS
GENERAL ELECTRIC CO., POWER SYSTEMS MANAGEMENT BUSINESS DEPT., MALVERN, PA. 19355
3-80
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