Download Medium Voltage SMC-Flex™ Motor Controller

9-20
Troubleshooting
Heatsink 1
SCR 1
Heatsink 2
SCR 2
Heatsink 3
SCR 3
Heatsink 4
SCR 4
Heatsink 5
Note: SCR 1 and SCR 3 are a matched set.
SCR 2 and SCR 4 are a matched set.
Figure 9.8 – Power Module Assembly (one phase) • 3300/4160 V, 180/360 A
Gap
(Do not loosen)
Centre Nut
Locking Nut
(Do not adjust)
Indicating Washer
(Do not loosen)
To remove clamp pressure, loosen
lower center nut so that the gap between
the clamp surface and the heatsink is
approximately 6 mm (0.25 in.).
Figure 9.9 – Heatsink Clamp
1560E-UM050A-EN-P – August 2004