Inverter power module (igbt), Remove components – Rockwell Automation 20B PowerFlex 700 Drive Components Replacement - Frame 8 User Manual

Page 49

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

49

Component Replacement Procedures Chapter 3

Inverter Power Module
(IGBT)

Kit includes:

Refer to the figures in

Chapter 1 - Component Diagrams and Torque

Specifications

for these instructions.

Remove Components

1. Read and follow the

Safety Precautions on page 12

and

Important Initial

Steps on page 13

.

2. Remove the stacking panel as detailed on

page 26

.

3. Remove the AC output busbar at the current transducer:

a. Remove and save the three bolts that secure the output busbar to the

AC output busbar and to the U, V or W busbar.

b. Remove and save the nut and threaded hex stud for the standoff.
c. Slide the output busbar to the right as far as it goes.
d. Remove and save the six screws that secure the AC output busbar to the

IGBT, and two nuts that secure the AC output busbar to its standoffs.
Remove and save the AC output busbar.

4. Remove transitional busbar assembly as detailed on

page 28

.

Qty.

Component

1

IGBT module with circuit board

1

gate interface board

1

Gate interconnect harness

3

Flexible capacitor busbar, positive (+)

3

Flexible capacitor busbar, negative (-)

1

Tie down capacitor mount

3

Snubber capacitor

IMPORTANT

If any IGBT module is damaged, all IGBT modules and associated
components should be replaced. Perform the following procedure for
all IGBT modules.

Busbar Bolts (3)

Threaded Hex Stud and Nut

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