System for controlling an electric output with reduced...

System for controlling magnitude and phase of terminal...

System for controlling rotations of a dc motor

System for driving drum

System for equalizing the load of a plurality of motors

System for increasing the output of a multi-phase rectified...

System for increasing the output of a multi-phase rectified...

System for maintaining excitation of an alternating current...

System for motor load equalization

System for operating a self-propelled track-bound vehicle...

System for operating two or more alternating current...

System for phase shifting inverters to obtain a variable...

System for predicting desynchronization of a synchronous...

System for realizing rotor variable frequency speed control...

System for speed-sensorless control of an induction machine

System for supplying electric energy to an electric traction...

System for supression of underdamped oscillations in a.c....

System of control for a polyphase alternating current...

System to control the frequency of a generator driven by an...

System, method and apparatus for power regulation