Static controller for power factor correction and adaptive filte
Static current limiting switch with soft forced commutation
Static reactive power generating apparatus
Static switch controller synchronized with a passage to zero of
Static VAR generator compensating control circuit and method for
Static VAR generator with discrete capacitive current levels
Static VAR generator with non-linear frequency dependent dynamic
Static VAR generator with time-related-error minimizer
Static voltage balancer
Statistical enhancement of the accuracy of a ratio-matched netwo
Stepping AC line voltage regulator
Subscriber loop current regulator
Super compensated voltage control of redundant D.C. power suppli
Super conducting device with minimal pinning
Switched current regulator
Switching circuit
Switching high voltage power supply
Switching power supply
Switching power supply with floating internal supply circuit
Switching regulator control utilizing digital comparison techniq