ASingle-StageHighPowerFactorVoltageRegulatorwithReducedIntermediateBusVoltageStress.AsinusoidalPWMseriesvoltageregulator,AtwostageVoltageRegulatorModulewithfasttransientresponsecapability,Activevoltageregulatorbasedonnovelsynchronizationmethodforunbalanceandfluctuationcompensation,