ABB DCS 500B - Page 28

Chapter 4 - Exchange of Thyristors for Sizes C1/C2/C2b
VI A 4 - 6 DCS 500 / DCS 600 Service Manual
X22:1
3
C1
O
R 57
D1
T51 S1
S2
T53 S1
T52
S2
S1
S2
1500/1
1500/1
1500/1
W1U1 V1
1
2
3
4
5
6
K
G
K
G
K
K
G
K
G
K
K
G
G
G
K
G
K
G
K
G
K
G
K
G
V23V26
V22
2.2
1.5
K
G
V15
K
G
1.2
2.5
V25
K
G
K
G
V12
V24
2.6
1.3
G
K
K
V13
2.4
G
G
K
V11
G
K
1.6
2.3
2.1
G
K
K
V16
G
G
K
V21
V14
1.4
G
K
2.6
1.6
2.5
1.4
2.3
1.2
2.1
1.5
2.4
1.3
2.2
SDCS-PIN-1x / -2x
T51
K (S1)
T53
K (S1)
L (S2)
1000/1
1000/1
X3:1
X3:3
X4:1
X4:3
L (S2)
T51
T53
S2
600/1 *
600/1 *
S1
P2
P1
S2
S1
P2
P1
Snubber
circuit
REVERSE
FORWARD
Snubber
circuit
Snubber
circuit
Basic drawing / not all elements are shown
POWER INTERFACE BOARD
Units with
0025 to
0075 ADC
Units with 0100 to 0350 ADC Units with 0450 to 0520 ADC
* 2330/1 for units with 0700 ADC
Figure 4-4 Basic drawing of DCS 502B/602 units with SDCS-PIN-1x/-2x
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g