Offline Partial Discharge Measurement and Analysis

Partial discharge (PD) activity is a reliable indicator of insulation condition in electrical equipment, as it is often a sign of insulation defects that can potentially cause dielectric failure. That is why PD is an important diagnostic parameter used to assess insulation condition during factory acceptance testing, on-site commissioning and troubleshooting.

You can detect partial discharges already in their early stages with our PD measurement and analysis systems. This allows you to draw conclusions regarding the condition of the insulation. As a result, further measures such as maintenance work and additional diagnostic measurements can be effectively planned.

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 a wide variety of electrical equipment. It accurately detects and localizes insulation defects and helps you to reliably assess the risk of failure and effectively plan maintenance based on insulation condition.

Other solutions

MPD 800 + PDL 650

The combination of the MPD 800 and the PDL 650 enables you to perform partial discharge measurement (PD) and localization on power transformers. If PD activity is detected, the MPD 800 automatically triggers the PDL 650 to perform acoustic PD measurements to effectively locate the source of the PD activity inside the transformer. The location is shown in a 3D image of the transformer to enable you to focus maintenance efforts.

Other solutions

CPC 100 + MPD 800 + 70 kV High-Voltage Upgrade Option

The compact and lightweight High Power 70 kV Upgrade Option is used as an external high-voltage (HV) source with the CPC 100 multi-functional electrical testing system and MPD Series partial discharge (PD) measurement and analysis systems for off-line measurements on HV equipment. It is suitable for voltage withstand tests as well as PD measurements.

Other solutions

UHF 800

Our portable, easy-to-use UHF 800 system performs sensitive offline and online partial discharge (PD) measurement and analysis in the ultra-high frequency (UHF) range from 100 to 2000 MHz on gas-insulated switchgear (GIS), gas-insulated lines (GIL), oil-filled transformers and high-voltage (HV) power cable terminations. This ultra-high frequency partial discharge testing system is used for added measurement sensitivity in noisy environments especially during on-site commissioning (acceptance testing) and troubleshooting for insulation condition assessment and insulation defect detection.

Benefits of this solution

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MPD 800 – Universal partial discharge measurement and analysis system

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Partial discharge testing on power cables

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Partial discharge testing on power transformers

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