HVTESTTECH BLOG

Instrument transformers
John Roberts

What Happens If CT Polarity Is Reversed?

Discover the implications of reversing current transformer (CT) polarity, how it affects protective relays and metering, and practical guidance for electric power industry professionals to

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Transformer testing
John Roberts

What Is a Good TTR?

Explore what constitutes a good TTR (Transformer Turns Ratio), why it matters for electric power systems, and how to ensure accuracy through industry best practices.

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