Shift register for controlling the energization of a...

Shunt field control apparatus and method

Simplified control for running a switched reluctance motor

Sine pulse controller for variable reluctance motor

Single phase ac motor speed control system

Single phase induction motor with bi-directional switching...

Single phase inverter control circuit

Single step stepping motor controller

Single winding back emf sensing brushless dc motor

Single-phase motor particularly for submersed pumps

Slip control based on sensing voltage fed to an induction motor

Slip energy recovery control system using hybrid inverter to...

Slip frequency control for variable speed induction motors

Slow start-stop motor control system

Smooth series parallel transition for dual winding traction...

Soft starting device for motors

Soft turn-off controller for switched reluctance machines

Softstarter device and method to control the softstarting of...

Solenoid driver circuit

Solid state circuit controlled three phase reversing starter