A.C. supply converter

AC adaptor

AC Current control system

AC power supplied static switching apparatus having energy recov

AC to AC Power converter with a controllable power factor

AC-to-AC (frequency) converter with three switches per leg

Active generator control sequence

Adjustable frequency AC motor drive using an unrestricted freque

Apparatus and method for generating a low frequency AC signal

Apparatus for co-generation of electric power

Apparatus for frequency conversion by electromagnetic induction

Arrangement in frequency converter

Bank selection in naturally commutated thyristor controlled stat

Bridge-type frequency multiplier

Broadband frequency multiplication by multitransition operation

Circuit arrangement for producing an A.C. voltage for driving a

Circuit arrangement with a number of cycloconverters, particular

Combination feedback controller and power regulator using same

Commutation failure detection and restoration for SCR frequency

Compensation method for a voltage unbalance