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What to Consider in DC Hipot Testing

HV Diagnostics HVA60 60kV VLF / DC High Voltage Test InstrumentEnsuring electrical safety is a major aim of any electrical maintenance personnel. That is why when installing new cables, electrical testing should be carried out first. This testing is a quality control measure to ensure that only good cables will be used in the power facility.

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DC hipot testing is sometimes used in verifying new cable installations along with the proper workmanship and installation of cable accessories. This test applies electrical stress to the cable with the intent of identifying gross problems related to manufacturing defects, mechanical damage or incorrectly installed accessories. A good cable should be able to withstand as much as 3 times its rated voltage, ensuring that it will tolerate voltage transients during thunderstorms or fluctuations in generator voltages.

Testing cables before installation is very important to certify that it will operate according to its specified rating. 

Related electrical test equipment available for rent from Protec:

High Voltage VLF-65E 65kV VLF Tester

HV Diagnostics HVA60 60kV VLF / DC High Voltage Test Instrument

Megger 230425 0-4 kV AC and 0-5 kV DC High-Pot Tester

This electrical test equipment is available for rent, lease, or purchase from Protec Equipment Resources. We are here to help you with your testing equipment needs.

Protec’s Calibration Lab offers accurate and affordable calibration services for all makes and models of electrical test and measurement equipment. Contact us today for a quote.

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Editor’s Note: This post was originally published on April, 2011 and has been updated freshness, accuracy and comprehensiveness.