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I.B. 3A74791H04
Page 22
Effective 7/97
52
51
7
18
54
53
17
56
55
16
58
57
15
8
9
10
22
3
a
b
M
Y
SR
ST
1
WL
GL
RL
SPRING
CHARGED
INDICATING
LIGHT
P
N
LS1
bb
3
3A
1
2
24
4
CS
C
7
PS1
Y
LS2
bb
LS2
aa
4
LC
b
21
Y
b
20
5
a
a
6
19
13
14
10
9
a
b
b
CS
T
PR
ST
2
UV
9UV
10UV
9A
10A
13
12
14
a
a
11
CUSTOMER MUST FURNISH
THIS “a” CONTACT FROM
AUXILIARY SWITCH WHEN
SECOND TRIP COIL OPTION
IS CHOSEN AND MAKE THE
APPROPRIATE CONNECTIONS.
AUXILIARY SWITCH #2 OPTIONAL
a
b
b
a
b
a
b
a
b
a
DC SOURCE
6
PS2
U24
U19
U20
U21
U22
U23
U16
U17
U18
U15
U1
U9
U8
U7
U6
U5
U4
U3
U2
U10
OPTIONS
Y
SR
GL
RL
1
2
CS
C
7
Y
LS2
bb
LS2
aa
4
LC
b
21
Y
b
b
20
5
a
9
16
14
56
55
CS
T
PR
AC SOURCE
13
AC (+)
CAP TRIP DEV
AC (-)
ST
1
a
a
10
9
6
19
52
51
7
18
54
53
17
58
57
15
8
10
22
3
a
b
b
b
ST
2
UV
9UV
10UV
9A
10A
13
12
14
a
a
11
CUSTOMER MUST FURNISH
THIS “a” CONTACT FROM
AUXILIARY SWITCH WHEN
SECOND TRIP COIL OPTION
IS CHOSEN AND MAKE THE
APPROPRIATE CONNECTIONS.
AUXILIARY SWITCH #2 OPTIONAL
a
b
b
a
b
a
b
a
b
a
U24
U19
U20
U21
U22
U23
U16
U17
U18
U15
U1
U9
U8
U7
U6
U5
U4
U3
U2
U10
OPTIONS
6
M
WL
SPRING
CHARGED
INDICATING
LIGHT
LS1
bb
3
3A
1
2
24
4
PS2
PSI
UV
14
9UV
10UV
11
FOR AC UV
TRIP ONLY
Figure 5-6 Typical 36kV W-VAC “DC” and “AC” Control Schematics
BREAKER DC CONTROL SCHEMATIC
BREAKER AC CONTROL SCHEMATIC
CS
–
Breaker Control Switch – close
C
CS
–
Breaker Control Switch – trip
T
Y
–
Anti Pump Relay
SR
–
Spring Release Coil (Close Coil)
M
–
Spring Charging Motor
ST
–
Shunt Trip
PR
–
Protective Relay
–
Secondary Disconnect
OPERATION
SWITCH TERMINAL
LS1
Open until springs
‘C’ and ‘NC’
aa
are fully charged
Brown Switch
LS1
Closed until springs
‘C’ and ‘NO’
bb
are fully charged
LS2
Open until springs
‘C’ and ‘NC’
aa
are fully charged
Black Switch
LS2
Closed until springs
‘C’ and ‘NO’
bb
are fully charged
LC
Open until mechanism
‘C’ and ‘NO’
is reset
PS1
Open in all except between
‘C’ and ‘NC’
‘Test’ and ‘Connected’ positions
PS2
Closed in all except between
‘C’ and ‘NO’
‘Test’ and ‘Connected’ positions
Содержание Cutler-Hammer W-VAC
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