The addition of a components and an unused NC contact to a dc supply provides a power-reducing feature to a relay driver circuit. Electromagnetic relays need much less power for holding than they do ...

This chapter covers representative general-purpose relays used in the control circuits of most industrial, commercial, and consumer products. Relay names and terminology are in accordance with ...

ENWIN Powerlines, Ltd., the organization responsible for the distribution of electric power in Windsor, Ontario, Canada, has undertaken a major substation automation initiative that will improve ...

Luxtron has released its ThermAsset2 temperature controller, designed for direct, real-time control for power transformers down to 25 MVA. The ThermAsset2 is a much sought-after addition to the ...

A range of manufacturing and production processes rely on current-operated relays to provide a continuously adjustable trip-current setting. They are able to protect mechanical apparatus from jam-up ...

All regulated power supplies require a feedback link from the output to control the power stage. When isolation is necessary, designers traditionally use an ...

The low-power (milliwatt) flyback transformer used in a switched-mode power supply (SMPS) needs to be designed with a gap in the magnetic path for maximum power delivery over temperature. Transformers ...