ABB DCS 500 Series Service Manual page 36

Chapter 5 - Exchange of Thyristors for Size A5
VI A 5 - 6
left stack
rear front
V11
V13
V15
View from the left
Figure 5-5 Location of thyristors in frame A5 (2-Q bridge)
3ADW000093R0601_DCS500B/DCS600_Service Manual_e_f
U1 V1
Front view
DCS 500 / DCS 600 Service Manual
W1
right stack
front rear
V14
V16
V12
View from the right