Areva MVAG, Руководство по обслуживанию

Страница: 18 / 38

Page 16
Figure 2: Circuit diagram: MVAG 12 undervoltage fixed setting
Note 1 (a)
CT shor
ting links make
before (b) and (c) disconnect.
(b)
Shor
t ter
minals break before (c).
(c)
Long ter
minals
Rear unit
– RL2
Combinations of
Output contacts to
output contacts
module ter
minals
10 12
1M
–
M
Contact description
M
: Make
B
: Break
Rear mounted
facing rear
viewed from front
10 12
RL2
1
R3
R2
2
91
0
8
C1
28
D3 D4
D1 D2
RVD1
V
n
RL1
–A
R1
7
27
A
Front mounted
facing front
viewed from front
1 3
25 47 69 81
1
RL1
5
Rext
R4
5
3
6
4
14
D7 D8
D5 D6
RVD2
13
V
x
1
2
3
4
5
6
7
8
9
10
11
12
13
14
21
22
27
28
Case ear
th
Module ter
minal block
viewed from rear
RL2
–A
A
Front unit
– RL1
Combinations of
Output contacts to
output contacts
module ter
minals
1 3
5 7
9 1
1
2 4
6 8
5M
–
MM
M
M
M
4M
1B
B
M
M
M
M
3M
2B
B
M
M
B
M
2M
3B
B
B
M
B
M
1M
4B
B
B
M
B
B
–
5B
B
B
B
B
B
ZJ0073
Par
t Board
ZJ0073
Par
t Board
1