Current transformers can perform circuit control, measure current for power measurement and control, and perform roles for safety protection and current limiting. They can also cause circuit events to ...

Download this article in PDF format. If you search the internet for “transformer equivalent circuits,” you’ll get five pages of over 100 small circuit diagrams. Figures 1 and 2 show two typical ...

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 ...

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 ...