Adjustable speed drives (ASDs) or variable speed drives (VSDs), also called variable frequency drives (VFDs), typically control a motor's velocity or Adjustable speed drives (ASDs) or variable speed ...

Microchip’s AT9933 is a variable frequency PWM controller IC, designed to control a LED lamp driver using a low-noise boost-buck topology. The device is ideally used for LED lamps and other LED ...

The ISL95839 is a dual 3+1 PWM controller with current monitor applied for IMVP-7/VR12 microprocessor and graphic processor power supplies. It provides the control and protection for two Voltage ...

Intersil has introduced a PWM (pulse width modulation) controller with a programmable switching frequency and programmable soft start. The ISL6420A also integrates control, output adjustment, ...

Variable-frequency drive (VFD) control panels, the Endura™ line, has been introduced. The Endura PB (Pressure Booster) Control Panel is designed for commercial pressure booster applications using ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

From enhanced energy efficiency and improved process control to reduced mechanical stress, noise reduction and motor protection, the operational advantages of variable frequency drives are significant ...

This solution is said to combine a PWM controller IC with the 700V and 800V CoolMOS P7 MOSFETs in a single package, designed to support isolated and non-isolated flyback topologies. According to ...

A recent trend in nuclear power plant upgrades has been the replacement of the motor-generator (MG) sets that drive the reactor circulating pumps with variable-frequency drives (VFD). Siemens’ first ...

High-frequency link matrix converters and inverters represent a transformative development in power electronics, combining direct AC–AC conversion with high-frequency pulse width modulation (PWM) to ...