go to the Instrument transformers product page Anonymous asked on May 18th, 2015 in Instrument transformers

What routine tests are recommended for instrument transformers?

We have 50 current and voltage transformers installed since 1997. As there are frequent faults in transmission network, so, in that condition, what routine tests (3-years, 5 years, 10 years, 20 years) are required to confirm healthiness of current and voltage transformers as these transformers are used for energy metering and protection?

Worawut Sae-Kok, Global Product Marketing Manager Disconnectors

ABB's answer

We recommend a Tan-delta measurement and/or taking an oil sample for dissolved gas analysis. 

For further information please contact your local Sales or Service representative on the bottom of this web page: http://new.abb.com/high-voltage/instrument-transformers

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  • Worawut Sae-Kok

    Worawut Sae-Kok

    Global Product Marketing Manager Disconnectors

    High Voltage Products

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