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Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control User Manual

Page 65

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Rockwell Automation Publication 7000-UM202B-EN-P - June 2014

65

Component Definition and Maintenance

Chapter 3

Figure 53 - Resistance Measurements SGCT PowerCage (with SPS Board Mounting Assembly)

Figure 54 - Resistance Measurements (heat pipe model)

Resistance value between two
heat sinks is sharing resistance
in parallel with anode-cathode
resistance

Resistance value
between heat sink and
test point is snubber
resistance

Snubber Test Point

Resistance between
heat sink and test
point is snubber
resistance

Resistance between
two heat sinks is
sharing resistance in
parallel with anode-
cathode resistance