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Step 11In Circuit Testing, the positive halve.
Now test the other halve of the bridge. Connect the yellow negative clip to the positive bridge output bus bar at the left. Connect the red positive clip to the transformer secondary input to the bridge. Use the white gate wire to trigger each gate of the three SCRs on the left side of the bridge. After you turn on the SCR, disconnect the red or yellow wire to turn off the SCR and move to the next one.
Remember, If you find any shorts at all, you will need to disconnect all the pig tail connections (cathodes).
This is just an example with a three phase bridge in a power supply. Other equipment such as inverters, welders and regulators can use this tester.
Remember, If you find any shorts at all, you will need to disconnect all the pig tail connections (cathodes).
This is just an example with a three phase bridge in a power supply. Other equipment such as inverters, welders and regulators can use this tester.
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