LED Driver with Lossless Snubber and Power Factor Correction Suitable for Streetlight Applications

カテゴリ: 研究会(論文単位)

論文No: PE19057

グループ名: 【B】電力・エネルギー部門 電力技術研究会

発行日: 2019/09/10

タイトル(英語): LED Driver with Lossless Snubber and Power Factor Correction Suitable for Streetlight Applications

著者名: Cheng Chun-An(I-Shou University),Chang Er-Yun(National Sun Yat-sen University),Chang Man-Tang(I-Shou University)

著者名(英語): Chun-An Cheng(I-Shou University),Er-Yun Chang(National Sun Yat-sen University),Man-Tang Chang(I-Shou University)

キーワード: converter|light-emitting diode (LED)|power factor correction (PFC)|converter|light-emitting diode (LED)|power factor correction (PFC)

要約(日本語): The traditional light-emitting diode (LED) streetlight driving circuit is a two-stage structure, which consists of an AC-to-DC converter circuit with a power factor correction (PFC) in the front stage and a DC-to-DC converter with a regulated output voltage and current in the latter stage. Due to the large number of power switches and components required, the cost of the circuit is high, and the input energy is limited by the conversion of the two-stage structure. In view of this, this paper develops a single-stage and single-power-switch LED streetlight driving circuit with lossless snubber and power factor correction, and completes the prototype circuit of 72W (36V/2A) with an effective input voltage of 110 volts. The driving circuit shows that the power factor is 0.9816, the THD is 12.094%, the output voltage ripple rate is 9.7%, and the output current ripple rate is 11.22%, which can verify the practicality of the driving circuit proposed in this paper.

要約(英語): The traditional light-emitting diode (LED) streetlight driving circuit is a two-stage structure, which consists of an AC-to-DC converter circuit with a power factor correction (PFC) in the front stage and a DC-to-DC converter with a regulated output voltage and current in the latter stage. Due to the large number of power switches and components required, the cost of the circuit is high, and the input energy is limited by the conversion of the two-stage structure. In view of this, this paper develops a single-stage and single-power-switch LED streetlight driving circuit with lossless snubber and power factor correction, and completes the prototype circuit of 72W (36V/2A) with an effective input voltage of 110 volts. The driving circuit shows that the power factor is 0.9816, the THD is 12.094%, the output voltage ripple rate is 9.7%, and the output current ripple rate is 11.22%, which can verify the practicality of the driving circuit proposed in this paper.

原稿種別: 英語

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