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IPM IGBT Dual Pack Quick Test Meter Diode & Resistance Mode

A quick video on how to test the Freewheel Diodes on IPM IGBTs with a Meter DMM Digital Multimeter. For an in depth explanation of the test and how to test the Gate Junctions see our video on IPM IGBT Test Explained here: IMP IGBT Test & Explanation

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IGBT IPM Intelligent Power Module Diode and Junction Test Procedure using a DMM.

Single Pack IPM IGBT:

Meter on Diode Test Mode BLK to C, Red to E = 0.5v +/-, swap = OL Meter on Resistance Mode (Ohms) E to Pin 4 = 0 Ohms

 

Dual Pack IPM IGBT:

Meter on Diode Test Mode BLK to C1, Red to E1 = 0.5v +/-, swap = OL BLK to C2, Red to E2 = 0.5v +/-, swap = OL Meter on Resistance Mode (Ohms) E1 to Pin 4 “P” = 0 Ohms, E2 to Pin 4 “N” = 0 Ohms

 

6 Pack IPM IGBT:

Meter on Diode Test Mode BLK to P, Red to W = 0.5v +/- BLK to P, Red to V = 0.5v +/- BLK to P, Red to U = 0.5v +/- Swap Leads = OL BLK to W, Red to N = 0.5v +/- BLK to V, Red to N = 0.5v +/- BLK to U, Red to N = 0.5v +/- Swap Leads = OL

Meter on Resistance Mode (Ohms) W to Pin 2 = 0 Ohms V to Pin 6 = 0 Ohms U to Pin 10 = 0 Ohms N to Pin 15 = 0 Ohms If using Resistance Mode (Ohms) to test the Freewheel Diodes you should read over 100k (100,000) Ohms one way and read Open OL when you swap meter leads. Any shorts or opens on diodes or opens on gates indicates a defective IGBT.

How to Test IPM IGBT Diode & Gate Junction with DMM – 6 Pack Powerex PM150CVA120

 

 

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