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| Direct Power Control Based Single-Phase AC-DC Converter Controller Design |
| Ma Qing’an, Li Qunzhan, Qiu Daqiang, Xu Yinglei, Zhang Liyan |
| Southwest Jiaotong University Chengdu 610031 China |
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Abstract Single-phase AC-DC full-bridge converter is popular in industry. The αβ-coordinate model was setup for the single-phase system via delaying variables by 90°. Controller was designed based on direct power control. The two-degree-of-freedom PI controller was utilized in this paper to increase the robustness of the system and decrease the overshoot, and sampled voltages were modified to improve the performance. Simulation was conducted based on PSCAD/EMTDC, the results verify the feasibility.
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Received: 04 May 2010
Published: 20 March 2014
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2012, Vol. 27 
