A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

A power system is subjected to many electrical stressors and faults. Along the electrical path, voltage surges and transients due to lightning strikes or inductive load switching, inrush currents due ...

Ground fault protection is a cornerstone in ensuring the safety and operational reliability of modern power systems. Ground faults, which occur when an unintended electrical path connects a live ...

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, ...

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, ...

Mitsubishi Electric recently visited EnergyVille, a collaboration between the Flemish research partners KU Leuven, VITO, imec and UHasselt, to install a prototype of its HVDC line protection relay ...

Ground loops are a common yet often overlooked issue in building electrical systems. While they may seem minor during design or construction, ground loops can significantly impact system performance ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess the integrity of insulation in motors, cables, transformers, and other ...

The Susol UL ACB is rated up to 6000A with short-circuit capability up to 130kA at 508 Vac, providing protection for critical ...

The evolution of today’s Power over Ethernet (PoE) and Power over Data Line (PoDL) systems. The fundamental power delivery characteristics of PoE and PoDL and how these digitally integrated, ...

WARRENDALE, Pa.--(BUSINESS WIRE)--Mitsubishi Electric Power Products, Inc. (MEPPI) today announced that the acquisition of Computer Protection Technology (CPT) has been completed. CPT is a leading ...