Control method for cycloconverter and control apparatus therefor

Controllable four quadrant a.c. to a.c. and d.c. converter emplo

Controlling the circulating current in naturally commutated stat

Cycloconverter with waveform improving nonlinear feedback

Electric 3-phase supply device for an ozonizer

Five-legged core type frequency triplo-multiplier

High repetition rate power pulse generator

Matrix converter

Method and apparatus for controlling the circulating current of

Method and apparatus for the conversion of a polyphase voltage s

Method of converting phase and frequency using a dynamo-electric

Ozonizer feeding device

Planar linear pulse motor

Portable power unit

Reactor arrangement

Reactor arrangement for alternating electrical current

Single phase to multiphase frequency multiplier

Single phase to polyphase bridge-type frequency multiplier

Unrestricted frequency changer with current source output