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Field Testing Services

PMDT offers three levels of testing services both domestically in the US and globally. With the best quality products, complete PD solutions, rich on-site testing experience, experienced partial discharge experts and field engineers, PMDT also provides PDExpert Services -- professional on-site partial discharge detection and location services to help the customers find the potential risks, evaluate the operating status of the electrical assets, and deliver complete and final problem solutions.

  • Level 1 OLPD Detection Service: This is a routine inspection for any PD signals on your typical substation equipment and power assets. Once data is collected and analyzed, a report will be provided with any abnormalities given and if PD is found, maintenance suggestions will also be provided.

  • Level 2 OLPD Diagnostic and Location Service: If PD is already a known issue, we offer a location service where our technicians will utilize our accurate location solutions to locate the  PD signal source, whether it is internal or external of the power asset. 

  • Level 3 OLPD Expert Location Service: We utilize our exclusive PDExpert with acoustic-electric combination PD source localization system , which helps locate the PD source down to the centimeter. 

We obtain the signal characteristics detected and analyze the resulting signals, evaluate the condition, and provide a detailed test report as well as maintenance suggestions for the detected high voltage electrical equipment to the customer. 

Global Testing Experiences

PMDT’s unique experiences consist of over 20 years of R&D combined with many years of field work: testing PD and Infrared for over 200,000 various power assets in thousands of substations globally for a variety of electric utilities, industrial end users, and power equipment manufacturers. PMDT has the expertise needed to provide the best Condition-Based Maintenance Programs for your power assets.

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