go to the Instrument transformers product page Anonymous asked on Jan 5th, 2015 in Instrument transformers

Can the typical functions from an oil filled CTs with multiple protection and metering cores be replicated/replaced by ABB's new Fiber Optic Current Sensor (FOCS)?

Nicholas S Powers, Global Product Marketing Manager Instrument Transformers

ABB's answer

Yes, each sensing coil of ABB's FOCS is applicable for protection and metering class accuracy in the whole current range for which it is designed (typically near zero and up to 170kA), and can be connected to multiple instruments at the same time due to the digital output capability, that is less load sensitive than traditional current transformers.


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  • Worawut Sae-Kok

    Worawut Sae-Kok

    Global Product Marketing Manager Disconnectors

    High Voltage Products

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