• ETT Level 2.9: Transformers

    Learn to identify the types, classification, and application of power substation, distribution, instrument, and control transformers.

    1. Types and Uses - Identify the types, classification, and application of transformers and electrical circuits. Understand the differences between dry-type, cast-coil, and liquid-filled transformers. Understand the application of power substation, distribution, instrument, and control transformers. Recognize that power circuit breakers and transformers are generally equipped with instrument transformers.

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