For a variety of applications, using current transformers is an efficient way to sense current with minimum insertion loss. William Hays, BH Electronics, Marshall, Minn. Current transformers can ...

Inductors and transformers serve key roles in switch-mode power supplies. Ensuring they perform as expected requires thorough in-circuit measurements performed under operating conditions. Here’s what ...

Understanding the role of short-circuit current is critical to the reliability of your electrical system and to the safety of the people who maintain it. When designing or modifying a distribution ...

A series of new current transformers are designed for 600-V class systems; 15-kV units are optional. Applications include relays, circuit breakers, switchgear, and HVAC equipment. Available in several ...

Like many hackers, [Matthias Wandel] has a penchant for measuring the world around him, and quantifying the goings-on in his home is a bit of a hobby. And so when it came time to sense the current ...

Austin, Tex. Silicon Laboratories Inc. has introduced tiny low-loss, high-accuracy AC current sensors for a wide range of power applications. The Si8500 integrates the functional equivalent of a ...