Title :
Low-harmonic GTO converter for fundamental power factor compensation
Author :
Viriya, Pichetjamroen ; Matsuse, Kouki
Author_Institution :
Dept. of Electr. Eng., King Mongkut´´s Inst. of Technol., Bangkok, Thailand
fDate :
7/1/1991 12:00:00 AM
Abstract :
A low-harmonic GTO (gate turn-off) thyristor AC-to-DC converter with line current lead-lag phase shift control ability is proposed and analyzed. The converter can be used either as a low-harmonic GTO-controlled rectifier or a fundamental input power factor compensator in a power supply system. The effect of PWM (pulse width modulation) current phase number on the harmonic contents and converter output voltage control range is investigated. Lower order input current harmonics are eliminated over a wide range, using a specially designed PWM current pattern. The effect of the PWM current pulse number on the power factor compensation characteristic is investigated
Keywords :
harmonics; power convertors; power factor correction; power systems; pulse width modulation; thyristor applications; GTO converter; PWM; current phase number; fundamental input power factor compensator; low harmonics; low-harmonic GTO-controlled rectifier; output voltage control; power factor compensation; power supply system; pulse width modulation; Phase modulation; Power supplies; Pulse width modulation; Pulse width modulation converters; Pulsed power supplies; Reactive power; Rectifiers; Space vector pulse width modulation; Thyristors; Voltage control;
Journal_Title :
Power Electronics, IEEE Transactions on
