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122
Example 3
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The following scope of supply applies to a 115/22 kV Line bay cubicle (diameter 3) for
xxx substation:
3 Control terminals, REx 5xx including
breaker failure protection for
breakers 1, 2 and 3
1 Back-up panel for 3 breakers
1 Transformer differential protection, RET 521
with 2 windings
4 RXMS 1 Tripping relays
4 SPER 1C1 Trip circuit supervision
4 set s 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
(
&
REx 5xx
Control and BFR
terminal
Breaker 1
(
&
REx 5xx
Control and BFR
terminal
Breaker 2
(
&
REx 5xx
Control and BFR
terminal
Breaker 3
M
M
0 1
;
;
;
en04000344.vsd
(
&
RET 521
Transformer
diff. prot.
Summary of Contents for 500 Series
Page 6: ... RQWHQWV ...
Page 32: ...26 Mounting methods and mounting details KDSWHU 7HUPLQDO GLPHQVLRQV DQG PRXQWLQJ DOWHUQDWLYHV ...
Page 46: ...40 Test switch modules for RED 521 KDSWHU 7HUPLQDOV ZLWK D WHVW VZLWFK PRGXOH ...
Page 72: ...66 Making the electrical connections KDSWHU OHFWULFDO FRQQHFWLRQV ...