Title :
A PWM AC to DC converter with fixed switching frequency
Author :
Wu, Rusong ; Dewan, S.B. ; Slemon, G.R.
Author_Institution :
Dept. of Electr. Eng., Toronto Univ., Ont., Canada
Abstract :
For a PWM (pulsewidth-modulated) AC-to-DC converter, a predicted current control strategy with fixed switching frequency (PCFF control) is proposed. Its principle and implementation are described, and experimental results are provided which show that the converter under PCFF control has bidirectional power transmission ability with high dynamic performance. The line currents are close to sinusoidal with unit power factor. The PCFF control produces a better switching pattern than hysteresis current control. This results in a reduction of harmonics in the line currents and lower stress on the switching devices.<>
Keywords :
frequency control; power convertors; pulse width modulation; switching; PWM AC to DC converter; fixed switching frequency; frequency control; harmonics reduction; line currents; lower stress; predicted current control strategy; pulsewidth-modulated; switching devices; Current control; DC-DC power converters; Hysteresis; Power transmission; Pulse width modulation; Pulse width modulation converters; Reactive power; Stress; Switching converters; Switching frequency;
Conference_Titel :
Industry Applications Society Annual Meeting, 1988., Conference Record of the 1988 IEEE
Conference_Location :
Pittsburgh, PA, USA
DOI :
10.1109/IAS.1988.25140
