Title :
A novel UPS using high-frequency switch-mode rectifier and high-frequency PWM inverter
Author :
Kagotani, Takami ; Kuroki, Kazuo ; Shinohara, Junichi ; Misaizu, Akira
Author_Institution :
Fuji Electr. Co. Ltd., Kobe, Japan
Abstract :
An uninterruptible power supply (UPS) resorting to high-frequency switch-mode rectifier (SMR) techniques and high-frequency pulse-width-modulated inverter techniques has been developed. The input current of UPS is controlled to maintain a sinusoidal waveform by SMR, and the output voltage waveform distortion is suppressed to a low level by instantaneous voltage control. This UPS is suitable for a protector of computer-applied equipment
Keywords :
invertors; pulse width modulation; rectifiers; switched mode power supplies; uninterruptible power supplies; HF power convertors; PWM inverter; UPS; computer power supplies; input current; switch-mode rectifier; uninterruptible power supply; voltage control; Batteries; Circuits; Frequency; Power supplies; Power system harmonics; Pulse width modulation inverters; Rectifiers; Switches; Uninterruptible power systems; Voltage;
Conference_Titel :
Power Electronics Specialists Conference, 1989. PESC '89 Record., 20th Annual IEEE
Conference_Location :
Milwaukee, WI
DOI :
10.1109/PESC.1989.48472
