Malfunction detector for static VAR controllers

Method and a device for compensation of the consumption of...

Method and a device for control of a capacitor device for a shun

Method and apparatus for controlling discharge of a thyristor-sw

Method and apparatus for digitally regulating an output...

Method and apparatus for generating a synchronizing signal for a

Method and apparatus for generating and injecting reactive power

Method and apparatus for improving the voltage quality of...

Method and apparatus for power factor correction by a compensati

Method and apparatus for recognizing defects in a triggering sys

Method and apparatus for reducing input impedance of a...

Method and apparatus for selective cancellation of subsynchronou

Method and apparatus for static VAR compensator voltage regulati

Method and apparatus for symmetrically modulating a controlled s

Method and apparatus to reduce line current harmonics from a...

Method and apparatus using VAR measurements to control power...

Method and apparatus using VAR measurements to control power...

Method and control circuit for a switching regulator

Method and control device for stabilizing a power supply...

Method and device for compensation of reactive power