ABB DCS 500B - Page 51

Chapter 6 - Exchange of Thyristors for Size A6
DCS 500 / DCS 600 Service Manual
VI A 6 - 11
C1(+)
U1
V1
W1
D1(-)
C1(+)
D1(-)
A6_thyr_locat.dsf
stack
front rear
View from the right
V11 / V24
V14 / V21
V16 / V23
V13 / V26
V15 / V22
V12 / V25
Gate A
Gate B
Figure 6-12 Location of thyristors in frame A6 (4-Q bridge with
BCT’s)
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g