Electronic relays have evolved a lot since their introduction in the early '30s, but their basic purpose hasn't changed. Transistors and integrated circuits have replaced vacuum tubes and the term ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

An experienced protection and integration engineer can help determine the best configurable relay settings to provide maximum system protection and advanced functionality. Photo courtesy: Emerson ...

Smaller, lighter and with a higher output power than other three-phase instruments, Megger’s SMRT 36 smart protective relay test set is suited not only for testing today’s installations and legacy ...

This Design Idea shows how to use a 63¢ (Q=1) microprocessor reset voltage detector IC in a relay coil drive circuit to greatly reduce the coil’s hold-in current. When asked to estimate the coil ...

Framatome and SEL have installed the first safety-related digital protection relays in a US reactor at the Columbia GS in Washington.

Discover how intelligent protection relays are evolving beyond fault detection to deliver real-time insights, power quality monitoring and smarter maintenance for South Africa’s industrial operations.

Repurposing outdated and/or unused electronics not only offers creative and effective ways to mitigate the environmental impact of e-waste, but also inspires a change in mindset. If you are like me, ...