127
Example 8
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([DPSOH
The following scope of supply applies to a 115/22 kV Transformer bay cubicle or cu-
bicles for xxx substation:
1 Control terminal, REC 561 for feeder includ-
ing breaker failure protection:
1 Transformer differential protection,
RET 521, with 2 windings
1 Back-up panel
2 RXMS 1 Tripping relays
2 SPER 1C1 Trip circuit supervision
2 sets of Micro Circuit Breakers
1
5
9
13
17
21
25
29
33
37
41
43
HINGED FRAME, MP=U
MODULE
POSITION
(S=44,5mm)
700
Tripping relays
Trip circuit superv.
MCB
ABB
S
(
&
REC 500
Control and BFR
terminal
M
0 1
;
en04000349.vsd
(
&
RET 521
Transformer diff.
protection
Содержание 500 Series
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Страница 46: ...40 Test switch modules for RED 521 KDSWHU 7HUPLQDOV ZLWK D WHVW VZLWFK PRGXOH ...
Страница 72: ...66 Making the electrical connections KDSWHU OHFWULFDO FRQQHFWLRQV ...