Knowledge
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26
Jun
What is calibration traceability for high-voltage sources?A Hipot tester’s display is only as trustworthy as the high‑voltage source and v
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26
Jun
What is partial discharge under IEC 60270 in hipot testing?Measuring partial discharge (PD) during hipot tests ensures you detect insulatio
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26
Jun
What are OSHA requirements for HV testing qualified workers?OSHA requires that high voltage (HV) testing be performed only by qualified elec
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26
Jun
How can manufacturers archive withstand test results to prove compliance?Archiving withstand (hipot) test records means creating a tamper‑proof, traceabl
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26
Jun
How should you apply ASTM D149 dielectric strength and the 80% rule for safe transformer testing?ASTM D149 defines how to measure dielectric strength of solid insulation by appl
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26
Jun
Is your grid-ready transformer testing strategy aligned with the NERC Level 3 Alert?The new NERC Level 3 Alert on data center loads exposes how sudden, customer‑ini
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26
Jun
What is ASTM D149 dielectric strength testing for solid insulation?ASTM D149 dielectric strength testing defines how to measure breakdown voltage a
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26
Jun
How should you calculate safe hipot test voltage with the 2V + 1000 rule?A practical way to calculate hipot test voltage for new assets is to start from
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26
Jun
Is your transformer testing strategy ready for the 128‑week lead-time crisis?Power transformer lead times in the U.S. have stretched to around 128 weeks, wit
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26
Jun
How does testing protective rubber goods ensure technician safety?Testing protective rubber goods such as gloves, blankets, and hot sticks verifie
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26
Jun
How can you safely discharge capacitive loads after high-voltage tests?Safely discharging capacitive loads after high-voltage testing means converting
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26
Jun
Is your transformer ratio testing ready for the 2026 IEC/IEEE accuracy mandates?The 2026 IEC 60076-1 and IEEE C57.12.90 revisions enforce a 0.5% maximum deviati
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26
Jun
How can series resonant test systems safely test massive capacitive loads?A series resonant test system lets you test long HV cables and GIS with a much s
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26
Jun
What is actually happening when a hipot test trips?In high-voltage hipot testing, not every “trip” means your insulation has failed
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26
Jun
Is 0.1 Hz VLF testing the safest way to test XLPE power cables?0.1 Hz VLF testing is widely regarded as the safest, most practical way to test
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