Energy efficiency analysis in power factor corrector under different pulse-width modulation modes

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作者：
Chernihiv National University of Technology, str. Shevchenko 95, Chernihiv, 14027, Ukraine [1 ]
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来源：
Tech. Electrodyn. | / 4卷 / 78-80期
关键词：
DC-DC converters - Harmonic distortion - Semiconductor devices - Voltage control - Harmonic analysis - Electric power factor correction - Pulse width modulation;
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摘要：
The paper is devoted to energy efficiency analysis of power factor corrector based on boost converter by modeling in Matlab Simulink. The different types of pulse-width modulation, including trailing-edge modulation, leading-edge modulation and double-edge modulation, were investigated. The study shows, that using modern semiconductor devices with modulation in the frequency range 20-180 kHz, it is possible to build an active power factor corrector with high performance (efficiency up to 97%, total harmonic distortion of the input current 7-13%, power factor 0,992-0,997). At frequencies less than 100 kHz the use of leading-edge PWM or double-edge PWM instead of trailing-edge PWM is more efficient based on power factor and total harmonic distortion of the current.
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