For the first time, a 100-kvar circuit can be implemented with only one contactor, obviating the need to connect two 50-kvar components as before. This allows better utilization of the space in the ...

• Electrical power sources supply two types of power to inductive loads: real power in kW and reactive power in VAR. • Power-factor correction circuits can be either an individual style or of the bank ...

Contactors are nothing more than a coil and a set of contacts. The coil of the contactor can be 24, 115, or 230 V, and even higher depending on the application. The contactor arrangement can be single ...

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.

A phase converter provides three-phase power from a single-phase source. Old-style mechanical converters use a hybrid motor/generator, while electronic converters use capacitors and other devices to ...