go to the Power transformers product page Anonymous asked on Dec 25th, 2013 in Power transformers

What is the difference between an online partial discharge and offline partial discharge in a power transformer?

Abhishek Rai, Marketing and Sales Manager

ABB's answer

The key differences between online and offline PD testing is that online systems do not require the unit to be disconnected from the supply, and test results reflect load conditions at rated voltage and frequency. Offline systems provide the potential of testing with low background noise at a range of voltages and frequencies.

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  • Abhishek Rai

    Abhishek Rai

    Marketing and Sales Manager

    Large and medium power transformers

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