Rockwell Automation 20B PowerFlex 700 Drive Components Replacement - Frame 8 User Manual

Page 50

Advertising
background image

50

Rockwell Automation Publication 20B-IN024C-EN-P - June 2012

Chapter 3

Component Replacement Procedures

5. Remove the Gate Interface board. See

page 53

.

6. Carefully examine the transitional busbar and bus capacitors for damage.

When replacing any IGBT, Rockwell Automation recommends that you
replace all bus capacitors. If needed, refer to

Bus Capacitor on page 45

to

replace damaged bus capacitors.

7. Remove the eight screws that secure the IGBT to the chassis.
8. Remove the IGBT by tipping the right edge out first.

Gate Interface
Board Assembly
(not shown above)

Output
Busbar

Tie Down
Capacitor Mount

Snubber
Capacitors

AC Output
Busbar

Current Transducer
Assembly

IGBT

Flexible Capacitor
Busbars

Transitional Busbar

Bus Capacitor,
under Transitional
Busbar

Example of IGBT
Module Failure

Advertising