Since the mid-1980s, semiconductor technology has promised to provide smart power products for solid-state relays that could carry high current and provide unique functions for customers. However, ...

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.

Sensata Technologies announced the availability of two new three-phase DIN rail- and panel-mount solid-state relays (SSRs), the DR67 and PM67 series, for use in a variety of industrial power ...

A new class of 3-phase solid state relays promises smarter power control for industrial automation bringing real-time ...

Relays and contactors use a variety of technologies to switch signals and power connections. Many devices called relays use similar techniques and topologies, but the terminology can be confusing.

DARPA selected RTX Corporation, Draper, and BEAM Co to design prototype lop wireless optical power relays. The Persistent Optical Wireless Energy Relay (POWER) program, aimed at revolutionizing energy ...

Potential relays are commonly found on many smaller, single-phase, capacitor-start, capacitor-run motors in the HVACR industry. Their function is to assist in starting the electric motor. Potential ...

There are several factors in taking a particular design approach, and they are not always independent. Some of the considerations when designing drivers for inductive loads are size, cost, switching ...

This AC power switch circuit senses the presence of AC current in one outlet of a multi-outlet power strip and switches power to the remaining outlet(s). It utilizes a current transformer, single ...

Last column, I wrote about various applications where fire alarm relays could be used to integrate a commercial fire alarm system with other electrical systems at a customer’s site to provide them ...