go to the Instrument transformers product page Anonymous asked on Jul 22nd, 2015 in Instrument transformers

Compensating core in 245/220kV current transformers?

Does ABB incorporate a compensating core in a metering CT-core for ratio selection in the secondary terminals in 245/220 kV CTs. The ratio may be 3000-1500/1-1-1-1-1 A.

Worawut Sae-Kok, Global Product Marketing Manager Disconnectors

ABB's answer

ABB does not use that type of solution. ABB uses core material, reaching metering accuracy for any reasonable specification without producing too high overcurrent factor.

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  • Worawut Sae-Kok

    Worawut Sae-Kok

    Global Product Marketing Manager Disconnectors

    High Voltage Products

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