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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2003, Vol. 4 Issue (3): 276-280    DOI: 10.1631/jzus.2003.0276
Electrical Engineering     
Analysis and design of DSP-based dual-loop controlled UPS inverters
WU Xie-hua, YAN Chao
Department of Applied Electronics, Zhejiang University, Hangzhou 310027, China
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Abstract  This paper presents a novel digital dual-loop control scheme of the PWM(Pulse width modulate) inverter. Deadbeat control technique are employed to enhance the performance. Half switching period delayed sampling and control timing strategy is used to improve the system dynamic response. Simulation and experimental results presented in the paper verified the validity of the proposed control scheme.

Key words： Digital control      Inductor-current mode      Dual-loop     
Received: 30 August 2002     
CLC:  TN86  
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YAN Chao
WU Xie-hua
Cite this article:

WU Xie-hua, YAN Chao. Analysis and design of DSP-based dual-loop controlled UPS inverters. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2003, 4(3): 276-280.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2003.0276     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2003/V4/I3/276

[1] WU Jun, HU Xie-he, CHEN Sheng, CHU Jian. Optimization of block floating point realizations for digital controllers with finite word length considerations[J]. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2003, 4(6): 651-657.