Partial Discharge Measurement and Analysis on Instrument Transformers

Partial discharges (PD), as defined by IEC60270, are localized dielectric discharges in a partial area of an electrical insulation system under high-voltage field stress. Partial discharges in an instrument transformer deteriorate its insulation and can lead to equipment failure.

Diagnostic PD measurements are recommended after conspicuous measured values during factory acceptance testing, on-site acceptance testing and troubleshooting.

You can detect partial discharges already in their early stages with our testing system. This allows you to draw conclusions regarding the condition of the insulation. Maintenance work and additional diagnostic measurements can be efficiently planned based on condition.

Expert recommends

MPD 800

Our MPD 800 universal partial discharge (PD) measurement and analysis system represents the next generation of our widely-used and innovative MPD PD testing technology. Enhanced and newly-added hardware and software features ensure highly-sensitive multi-channel PD measurements for reliable, industry-standard PD testing on instrument transformers. It accurately detects and localizes insulation defects and helps you to reliably assess insulation condition and the risk of equipment failure.

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MPD 800 – Universal partial discharge measurement and analysis system

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