Sag generator with switch-mode impedance
Saturable reactor apparatus for automatic control of power facto
Secondary arc extinction device
Series capacitor equipment
Series compensator
Single conversion power factor correction using septic converter
Single or isolated operation detecting apparatus for a distribut
Single-phase active power filter for multiple nonlinear loads an
Soft-start circuit for power converters
Soft-switching three-phase power factor correction converter
Static and dynamic mains voltage support by a static power facto
Static reactive compensator
Static reactive power compensating equipment
Static reactive power compensator
Static reactive-power compensation apparatus
Static var compensator apparatus
Static var compensator with thyristor control
Static var compensators
Static VAR corrector
Static VAR generation for transmission line compensation