We take a look at a new solution that is said to overcome the traditional challenges of controlling in all four quadrants with an AC motor.

ac phase control circuits, along with window-type software and microprocessor control software. The system is designed to control home appliances' on/off, to regulate their output power, and to set ...

The revised Quality Control Order is a key step forward ... ensuring minimal disruptions to business continuity. These appliances must operate at a rated voltage not exceeding 250V for single-phase ...

DIACs, due to their bidirectional and symmetrical switching, are widely used as triggering devices in phase control circuits for lamp dimmers, heat control, motor speed control, etc. Although a TRIAC ...

Abstract: In this paper, a comprehensive analysis of ZVS operation range and deadband conditions of a dual H-bridge bidirectional DC-DC converter with phase shift control is presented. The operational ...

What does “Error 22” mean on your smart appliance? Today, most people have to look it up on the internet, but that’s about to change. John Weil, vice president ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The staffers managing the trains at the operations control center at the Lake Merritt station in Oakland could not see the track circuits placed on the system’s rails, forcing them to shut it down ...