The convergence of the Artemis II and Crew-12 launch schedules adds another layer of importance to Monday’s countdown test at Kennedy Space Center. For the first time since the 1960s, NASA has ...

Abstract: The IEC 60060-1 (2010) and IEEE 4 (2013) Standards establish the k-factor function to determine the test voltage value of lightning impulses (LI) with superimposed oscillations. The test ...

Protective relay testing verifies that installed relays will trip correctly under real fault conditions, confirming settings, ...

Complex grids depend on equipment such as transformers, protection relays, switchgear, and cables—each of which can develop faults not immediately visible during normal operation. As a result, ...

Testing a circuit breaker is about judging reliability under fault conditions, not just checking continuity or voltage. A ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess ...