D-C Relay relief control for A-C electric motor

D.C. solenoid control circuit

DC braking of inverter-driven AC motors

DC bus voltage regulation by controlling the frequency in a vari

DC feedback firing control circuit for a DC/three-phase current

DC motor control method and apparatus

DC to AC inverter and motor control system

Dc/ac inverter apparatus for three-phase and single-phase...

Dead-time compensation apparatus of PWM inverter and method...

Dead-time effect compensation for pulse-width modulated inverter

Deadbeat control method and control unit for an asynchronous...

Detection of loss of cooling air to traction motors

Device and a method for estimating the speed of a slip ring...

Device and method for controlling supply of current and...

Device and method for controlling supply of current and...

Device and method for utilizing a monopole motor to create...

Device for controlling AC motor

Device for controlling an AC motor

Device for controlling an asynchronous motor

Device for controlling an electric motor