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Introduction to Instrument Transformers Kent Jones, P.E. GE

Definitions. Instrument Transformer (IT)A high precision transformer designed to provide input into measurement and/or control equipment.Examples:VoltmetersAmmetersWatthour MetersRelays. Why use Instrument Transformers?. Circuit IsolationReduce voltage a

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Introduction to Instrument Transformers Kent Jones, P.E. GE

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    1. Introduction to Instrument Transformers Kent Jones, P.E. GE / Instrument Transformers, Inc. Clearwater

    2. Definitions Instrument Transformer (IT) A high precision transformer designed to provide input into measurement and/or control equipment. Examples: Voltmeters Ammeters Watthour Meters Relays

    3. Why use Instrument Transformers? Circuit Isolation Reduce voltage and currents to reasonable working levels. Phasor combinations for summing and measuring power

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