ABB DCS 500B - Page 31

Chapter 4 - Exchange of Thyristors for Sizes C1/C2/C2b
DCS 500 / DCS 600 Service Manual VI A 4 - 9
KA
K1
G1 K2 G2
AK
SKKT210, SKKT250,
TT250...AK34
G2
G1
K1
K2
K
AK A
34
KA
AK
Figure 4-9 Terminals of half-bridge thyristor modules
c
d
2
1
a
b
4
5
2
1
2
45
1
TZ425 or SKET 400
Figure 4-10 Terminals of single thyristor modules
(AK)
7K6G
4K5G
(A)
(K)
1
3
2
3 2 1
TT425, 570
7K
6G5G
4K
Figure 4-11 Terminals of half bridge thyristor modules
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g