Westinghouse SBF-1 Installation, Operation & Maintenance Instructions Manual page 52

Circuit breaker failure relay
Table of Contents

Advertisement

1\)
0)
DC P O S
:: _( 1
-
62 - 1
g
=
!'>
-
co
3
0
()
(/)
0
:J­
et>
3
'U
g
0
62-1
..,
(/)
DC N E G
1
ro
7'
S P P t
::0
-
Ct>
iii'
7"
I RCIT
TO R E T R I P
B R E A K ER 5 2 - !
( TO OBTAIN A R
CONTACT O U T P U T
M O V E R E D L E A D
FROM T E R M I NAL I I
TO T ER M I NA L 1 2 )
-
-1'.
Ol
-1'.
()
Q:l
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
62-1
)
15
X
L
(
S EAL I N
��If ���
I c
I I
l o
I I
DC POS
62-1
62-1
I I
� ! g � � � �
A R
R E D
I C S
XIRI
I R I
62-1
6 2-l
I
1 2
FOR HIGH SPEED
OR
A D J A C E N T B R E AKERS
OTHER A U X FUNCTION S
86BFI
86BFI
D C N E G
R E Q U I R E D WHERE PROTECTED
BREA K E R ISOLATES A TRANSFORMER
J
a6T '
- -
5 2 0
..../
62-1
-
-
18 OPTIONAL COM P L E M E N T
TO OVERCU R R E N T UNITS
- �
ZA
t
6 2-l
13
2
-
6
1
14
TAl p
-- ----· ]
,,
L E G E N D
, , ________
_____ �
- - - -�----
C I R C U I T
S8F=IBREA!<ERFAILUR[ R £lAY{77
3
5
1
�·--·-·--
BREAKER FAI L U R E I N I T I A T
BREA K E R FA I L U R E LOCKOUT RELAY
86TI
TRANSFOR M E R
LOCKOUT
R E L A Y
���2__
��
R E L A
F U N C T
­
_ _
K
I . T R IP B R E A K E R S C OO N E C T E D TO SAME
B U S SECTI O N
T
.
U
E
2
BLOC
A LL A
O M A T I C R
CLO S I N G
3.BLOCK M A N U A L CLOSING
4.KEY
TRANSFER TRIP TRANSM I T T E R S
TO T R I P
5
R E M O T E BREAKERS A N D B L OC K R E C I�OS I N G .
STOP" BLOCKING" C A R R I E R
t S P P
R
SU
G E PROTE C T I ON C A PACiTOR
V/ H E N S U R G E VOLTAGE M A • E X C E E D
P E A K
1'"
8
WHEN S U R G E VOLTAGE MAY E- . XCEE- D 2 5 0 0 \' 0LTS P E A K
D
USE S H I E L D E
C O N T R O L C A B L E
G R O U N D B O T H E N D S
2500
P E R S W I T C H YA R D R U N S W H E R E S U R G E V O L TAGC MAY
E X C E E D
VOLTS R E A R
AC
S C H E M A T I C I 4 6 4 C 7 7
_
D
26
1 9 )
· ,
,

Advertisement

Table of Contents
loading

Table of Contents