| 组合式三相逆变器锁相控制策略 |
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| 引用本文： | 王建华,刘磊,张方华,龚春英,马义林. 组合式三相逆变器锁相控制策略[J]. 电工技术学报, 2010, 0(8) |
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| 作者姓名： | 王建华 刘磊 张方华 龚春英 马义林 |
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| 作者单位： | 南京航空航天大学航空电源航空科技重点实验室,南京,210016;南瑞继保电气有限公司,南京,211102;艾默生网络能源(南京)有限公司,南京,210013 |
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| 基金项目： | 国家重点基础研究发展计划(973项目)(2007CB210303); 台达环境与教育基金会《电力电子科教发展计划》(DRE02006007)资助项目 |
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| 摘 要： | 该控制策略基于锁相技术,通过远程采样某相输出电压进行信号解调,解决了传统组合式三相逆变器存在着的各相之间同步信号长距离通信时易受干扰,导致各相输出电压相位差较大的问题。三相3.6kVA原理样机实验验证了该控制策略的可行性及正确性。该方案简单,易于实现,且即使是同规格不同设计逆变器模块之间的组合也能获得对称三相输出电压。
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| 关 键 词： | 锁相环 组合式三相逆变器 解调 对称输出电压 |
Phase-Locked Control Method for Three-Phase Combined Inverters |
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| Wang Jianhua Liu Lei Zhang Fanghua Gong Chunying Ma Yiling Co. Ltd Nanjing China). Phase-Locked Control Method for Three-Phase Combined Inverters[J]. Transactions of China Electrotechnical Society, 2010, 0(8) |
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| Authors: | Wang Jianhua Liu Lei Zhang Fanghua Gong Chunying Ma Yiling Co. Ltd Nanjing China) |
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| Affiliation: | Wang Jianhua1 Liu Lei2 Zhang Fanghua1 Gong Chunying1 Ma Yiling3 (1. Nanjing University of Aeronautics and Astronautics Nanjing 210016 China 2. Nari-Relays Electric Co. Ltd Nanjing 211102 China 3. Emerson Network Power(Nanjing) Co. Ltd Nanjing 210013 China) |
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| Abstract: | A control method for three-phase combined inverter is proposed based on phase-locked loop (PLL) technology. Phase synchronization information is easy to be disturbed in process of signal transmission for conventional combined inverters,which is solved by demodulation of one certain output voltage. Experimental results of 3.6kVA three-phase combined inverter prototypes are presented to verify the validity and feasibility of this method. The proposed method is simple and easy to implement. Good symmetrical ou... |
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| Keywords: | Phase-locked loop (PLL) three-phase combined inverter demodulation symmetrical output voltage |
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