Insulation resistance testing
In the guarantee system for the safe operation of power equipment, insulation resistance detection plays...
June 2026
The key to power equipment testing
In the power system, we often need to ensure the safe and reliable operation of...
Master grounding safety
Accurate measurement of grounding resistance is crucial in the field of power safety. As an...
Mining cable fault tester
In the mining operation environment, the mining cable fault tester plays a crucial role, like...
Why are utilities moving from go/no-go hipot to diagnostic Tan Delta?
Utilities are moving from traditional go/no-go hipot tests to VLF-based Tan Delta diagnostics because Tan...
How can you integrate hipot withstand testing into a 48-hour substation shutdown?
A 48-hour substation shutdown can safely include hipot withstand testing if you lock in scope,...
What is partial discharge under IEC 60270 in hipot testing?
Measuring partial discharge (PD) during hipot tests ensures you detect insulation defects before they grow...
What are OSHA requirements for HV testing qualified workers?
OSHA requires that high voltage (HV) testing be performed only by qualified electrical workers who...
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‑initiated load...
Is IEC 60156 oil breakdown testing the key to reliable high-voltage withstand?
IEC 60156 defines how to measure the dielectric breakdown voltage of insulating liquids so engineers...