Apparatus for controlling inverter resistance welding
Apparatus for controlling power converter based on output curren
Apparatus for controlling power transducers of the pulse width m
Apparatus for controlling reactive power in a HVDC system
Apparatus for controlling rescue operations and for improving po
Apparatus for controlling switching frequency of SMPS transforme
Apparatus for controlling voltage-charge controlled power...
Apparatus for conversion of a three-phase voltage into an isolat
Apparatus for converting a direct current into an alternating cu
Apparatus for converting radio frequency energy to direct curren
Apparatus for correcting DC component of output voltage in inver
Apparatus for DC/AC power conversion by electromagnetic inductio
Apparatus for detecting short-circuit for use in bi-polar d.c. t
Apparatus for determining active and/or reactive current and/or
Apparatus for discerning faulty switching device
Apparatus for efficient use of a microprocessor to control thyri
Apparatus for electrical power transmission
Apparatus for frequency conversion by electromagnetic induction
Apparatus for generating a symmetrical three-phase voltage syste
Apparatus for generating alternating currents of accurately pred