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A Study on Harmonic Correction of Air-Conditioner Power Conversion Equipment  

Mun, Sang-Pil (School of Electrical & Electronic Engineering, Kyung-nam University)
Suh, Ki-Young (School of Electrical & Electronic Engineering, Kyung-nam University)
Lee, Hyun-Woo (School of Electrical & Electronic Engineering, Kyung-nam University)
Jung, Sang-Hwa (School of Electrical & Electronic Engineering, Kyung-nam University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.39, no.5, 2002 , pp. 43-50 More about this Journal
Abstract
To improve the current waveform of diode rectifiers, we propose a new operating principle for the voltage -doubler diode rectifiers. In the conventional voltage-doubler rectifier circuit, relatively large capacitors are used to boost the output voltage, while the proposed circuit uses smaller ones and a small reactor not to boost the output voltage but improve the input current waveform. A high input power factor of 97[%] and an efficiency of 98[%] are also obtained. The harmonic guide lines of proposed rectifier is no interfered with inverter switching, resulting in a simple, reliable and low-cost ac-to dc converters in comparison with the boost-type current-improving circuits.It compared conventional pulse-widthmodulated(PWM)inverter with half pulse-widthmodulated (HPWM) inverter. Proposed HPWM inverter eliminated dead-time by lowering switchingloss and holding over-shooting.
Keywords
Voltage-doubler rectifier Circuit; power factor; efficiency; HPWM in verter;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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