R - Pa I Red R Estra I N T Co I L ( Top Front Element ) Type; Bottom Rear Element; T - Pa I Re D Restra I N T Co I L; Bottom Front Element - Westinghouse KAB Installation, Operation & Maintenance Instructions Manual

BUS
SOURCE
SOU RCE
SOURCE
DC TR I P BUS
7.
Fig, External Schematic of One Set of Type CA-6 Relays for Protection of a Six C ircuit B us With Three Feeder Groups.
6
R
R
FEEDER GROUP
s
FEEDER GROUP
{
FEEDER GROUP
Q
T . s
TO C.
----
� - -
-1
T. : = = -,
TO C . S
67
87
87
- - - - - - - -
CONNECT! OMS SAME AS PH - 1
DEV I CE NUMBER CHART
87 - PERCEN TAGE D t F FEREN T I A L RELAY , TYP E CA-6
ICS - I ND I CA T I N G CONTACTOR SWI TCH
OP - OPERA T I N G CO I L
(
R - PA I RED RESTRA I NT CO I L
TOP FRONT ELEMENT
(
S - PA I RED RESTRA I NT CO I L

BOTTOM REAR ELEMENT

(
T - PA I R ED RESTRA I NT CO I L

BOTTOM FRONT ELEMENT

86 - AUX I L I A RY TR I PP I NG RELAY ,
OP
PH.
1
= � �=
Jp � ,
I
- - - -
PH .
3
-l
I N
)
TYPE
CA-6
)
RELAY
)
TY PE WL
l 8 3A l 90