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Back to the Basics Current Testing - Valence Electrical

2014 Valence Electrical Training Services LLC. All rights reserved. Page 1 of 28 Valence Electrical Training Services 303-250-8257 back to the Basics Current Transformer (CT) Testing As test equipment becomes more sophisticated with better features and accuracy, we risk turning our field personnel into test set operators instead of skilled field service technicians. A test set operator connects the leads, pushes the buttons, and records the results; hoping the numbers he records are good.

have a physical primary winding and are considered to have one primary turn. When current flows through the primary winding, the following actions occur: The iron core inside the transformer is magnetized. The magnetized iron core induces a voltage in the secondary coils.

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