標題: Bidirectional Current Sensorless Control for the Full-Bridge AC/DC Converter With Considering Both Inductor Resistance and Conduction Voltages
作者: Chen, Hung-Chi
Liao, Jhen-Yu
電機資訊學士班
Undergraduate Honors Program of Electrical Engineering and Computer Science
關鍵字: Current sensorless control;full-bride converter
公開日期: 1-四月-2014
摘要: The full-bridge converter is often connected between the ac grid and the dc bus. In the conventional multiloop control, the inner current control loop shapes the ac-side current waveform, and the outer voltage control loop regulates the dc-bus voltage. In this paper, the single-loop bidirectional current sensorless control (BCSC) for the full-bridge ac/dc converter with considering both the inductor resistance and conduction voltage is first proposed. The average-value behavior of the full-bridge ac/dc converter is analyzed and it is simplified to an equivalent single-switch model. Based on this developed equivalent model, BCSC is designed and implemented in the FPGA-based system. There is only voltage control loop in the proposed BCSC (i.e., no current control loop), but BCSC is able to regulate the dc-bus voltage and shape the ac-side current. The provided results in both the rectifier operation and the inverter operation demonstrate the effectiveness of the proposed BCSC.
URI: http://dx.doi.org/10.1109/TPEL.2013.2265323
http://hdl.handle.net/11536/23566
ISSN: 0885-8993
DOI: 10.1109/TPEL.2013.2265323
期刊: IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume: 29
Issue: 4
起始頁: 2071
結束頁: 2082
顯示於類別:期刊論文


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