HVTESTTECH BLOG

Instrument transformers
John Roberts

Why is CT Secondary Always Closed?

Explore the critical reasons why CT secondaries must always remain closed in electrical systems. Understand the safety, operational, and equipment implications, supported by practical insights

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Transformer testing
John Roberts

How Do You Diagnose TTR?

Learn how to diagnose Transformer Turns Ratio (TTR) accurately and safely in power systems. A detailed, practical guide for electric power industry professionals, featuring tools,

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Instrument transformers
John Roberts

What Is Current Transformer Turns Ratio?

Discover the fundamentals of current transformer turns ratio, why it matters, and how to ensure accurate measurement. Explore best practices, personal anecdotes, troubleshooting tips, and

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