Transformer Troubleshooting

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$49

Duration 1 Hour

The purpose of this course is to teach techniques for troubleshooting single-phase transformers and three-phase transformer banks. The course demonstrates how to identify a faulted transformer. It also demonstrates how to isolate transformers and how to test for proper no-load voltage.

At the conclusion of this course, participants should be able to identify a faulted single-phase transformer, isolate it, and test it for proper no-load voltage. They should also be able to identify a faulted transformer in a three-phase transformer bank, isolate the faulted transformer, and test it for proper no-load voltage.

By the end of this course, you will be able to:

Describe different types of transformer connections and the basic differences between completely self-protected (CSP) transformers and conventional transformers.

Describe some overcurrent and overvoltage protective devices that are used with transformers

Describe typical causes of transformer outages, general considerations involved in responding to a trouble call and potential sources of back feed.

Describe how to isolate and test a typical wye-connected conventional transformer.

Describe special considerations associated with isolating and testing a delta-connected conventional transformer.

Describe how to isolate a typical CSP transformer and how to test a typical CSP transformer.

Identify ways that single-phase transformers can be banked together and describe how to isolate and test a typical three-phase transformer bank.

Describe one way that temporary service can be restored in a single-phase and three-phase application

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