Apparatus for controlling operation of compressor and method...
Apparatus for controlling reflected voltage on motor supply line
Apparatus for controlling speed of fan motor of air-conditioner
Apparatus for controlling the load angle of a converter
Apparatus for controlling three-phase AC motor on two-phase...
Apparatus for converting single-phase power to three-phase outpu
Apparatus for determining the common frequency of two independen
Apparatus for driving an AC motor at variable speeds
Apparatus for driving brushless motor and method of...
Apparatus for driving induction motor
Apparatus for eliminating motor voltage reflections and reducing
Apparatus for generating magnetic flux of induction motor
Apparatus for operating an elevator
Apparatus for power control by phase gating and a method for...
Apparatus for regulating the power consumption of a vacuum clean
Apparatus for the control of a three-phase a.c. motor, especiall
Apparatus for variable speed drive of an induction motor from a
Apparatus having an automatic firing arrangement
Apparatus to reduce no load current at low frequencies
Apparatus used with AC motors for eliminating line voltage refle