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有源钳位反激式光伏微型并网逆变器输出波形质量的分析和改善

DOI: 10.13334/j.0258-8013.pcsee.2014.03.005, PP. 354-362

Keywords: 非互补控制,有源钳位反激,开环控制,闭环控制,谐波抑制,变PI参数控制

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Abstract:

回顾采用非互补控制策略的有源钳位反激变换器的工作原理。介绍反激式光伏微型并网逆变器的工作原理。详细分析有源钳位对逆变器输出电流波形的影响,推导输出电流的数学表达式,指出在某些时段会产生输出电流的畸变。针对开环控制方式不能抑制输出电流畸变的问题,提出采用输出电流闭环的控制方式,改善输出电流的波形质量,降低谐波含量。采用变PI控制策略,保证了整个功率范围内逆变器的高质量输出电流波形。仿真并搭建一个230?W的实验平台,在闭环控制下得到了较好的输出电流波形。实验结果表明,闭环控制方式可有效抑制输出电流畸变,并取得了最高94.2%的效率,验证了理论分析的正确性。

References

[1]  徐孝纯.中国与全球气候变化[J].技术经济与管理研究, 2008(5):69-72.Xu Xiaochun.Climate change of China and the world[J].Technoeconomics and Management Research, 2008(5):69-72(in Chinese).
[2]  赵争鸣, 刘建政, 孙晓瑛, 等.太阳能光伏发电及其应用[M].北京:科学出版社, 2005:15-20.Zhao zhengming, Liu Jianzheng, Sun Xiaoying, et al.Photovoltaic generation and its application[M].Beijing:Science Press, 2005:15-20(in Chinese).
[3]  王立乔, 孙孝峰.分布式发电系统中的光伏发电技术[M].北京:机械工业出版社, 2010:8-10.Wang Liqiao, Sun Xiaofeng.Photovoltaic generation technology in distributed generation systems[M].Beijing:China Machine Press, 2010:8-10(in Chinese).
[4]  Kjaer S B, Pedersen J K, Blaabjerg F.Power inverter topologies for photovoltaic modules-a review[C]//IEEE 37th annual Industry Applications Conference.Pittsburgh, USA:IEEE, 2002:782-788.
[5]  Shimizu T, Wada K, Nakamura N.Flyback-type single phase utility interactive inverter with power pulsation decoupling on the DC input for an AC photovoltaic module system[J].IEEE Transactions on Power Electronics, 2006, 21(5):1264-1272.
[6]  梁永春, 孙林, 龚春英, 等.反激逆变器研究[J].中国电机工程学报, 2005, 25(24):85-89.Liang Yongchun, Sun Lin, Gong Chunying, et al.Research on flyback inverter[J].Proceedings of the CSEE, 2005, 25(24):85-89(in Chinese).
[7]  梁永春, 孙林, 龚春英, 等.同步整流反激逆变器研究[J].中国电机工程学报, 2006, 26(6):95-99.Liang Yongchun, Sun Lin, Gong Chunying, et al.Synchronous rectification approach for flyback inverter [J].Proceedings of the CSEE, 2006, 26(6):95-99(in Chinese).
[8]  胡海兵, 黄宵驳, 王万宝, 等.具有功率解耦功能的三端口反激式单级微型光伏逆变器[J].中国电机工程学报, 2012, 32(12):47-54.Hu Haibing, Huang Xiaobo, Wang Wanbao, et al.A PV micro-inverter based on a three-port flyback with power decoupling function[J].Proceedings of the CSEE, 2012, 32(12):47-54(in Chinese).
[9]  Kjaer S B, Pedersen J K, Blaabjerg F.A Review of Single-Phase Grid-Connected Inverters for Photovoltaic Modules[J].IEEE Transactions on Industry Applications, 2005, 41(5):1292-1306.
[10]  Do H L.A soft-switching DC-DC converter with high voltage gain[J].IEEE Transactions on Power Electronics, 2010, 25(5):1193-1200.
[11]  Jovanovic M M, Jang Y.A novel active snubber for high-power boost converters[J].IEEE Transactions on Power Electronics, 2000, 15(2):278-284.
[12]  Kyritsis A Ch, Tatakis E C, Papanikolaou N P.Optimum design of the current-source flyback inverter for decentralize grid-connected photovoltaic systems[J].IEEE Transactions on Energy Conversion, 2008, 23(1):281-293.
[13]  Gao Mingzhi, Chen Min, Mo Qiong, et al.Research on output current of interleaved-flyback in boundary conduction mode for photovoltaic AC module application[C]//IEEE Energy Conversion Congress and Exposition.Phoenix, USA:IEEE, 2011:770-775.
[14]  Ji Y H, Jung D Y, Kim J H, et al.Dual mode switching strategy of flyback inverter for photovoltaic AC modules[C]//IEEE Power Electronics Conference.Sapporo, Japan:IEEE, 2010:2924-2929.
[15]  Kim Y H, Ji Y H, Kim J G, et al.A new control strategy for improving weighted efficiency in photovoltaic AC module-type interleaved flyback inverters[J].IEEE Transactions on Power Electronics, 2013, 28(6):2688-2699.
[16]  Nanakos A C, Tatakis E C, Papanikolaou N P.A weighted-efficiency-oriented design methodology of flyback inverter for AC photovoltaic modules[J].IEEE Transactions on Power Electronics, 2012, 27(7):3221-3233.
[17]  莫琼.有源钳位反激式光伏并网逆变器的研究[D].杭州:浙江大学, 2012.Mo Qiong.Research on an active clamped flyback type photovoltaic grid connected inverter[D].Hangzhou:Zhejiang University, 2012(in Chinese).
[18]  Ji Y H, Jung D Y, Kim J H, et al.A current shaping method for PV-AC module DCM-flyback inverter under CCM operation[C]//IEEE 8th International Conference on Power Electronics and Energy Conversion Congress and Exposition Asia.Shilla Jeju, Korea:2011:2958-2605.
[19]  Zhang Junming, Huang Xiucheng, Wu Xinke, et al.A high efficiency flyback converter with new active clamp technique[J].IEEE Transactions on Power Electronics, 2010, 25(7):1775-1785.
[20]  丰瀚麟.低成本小功率光伏并网逆变器研究[D].南京:南京航空航天大学, 2010.Feng Hanlin.Research on a low cost and low power photovoltaic grid connected inverter[D].Nanjing:Nanjing University of Aeronautics and Astronautics, 2010(in Chinese).
[21]  古俊银, 吴红飞, 陈国呈, 等.软开关交错反激光伏并网逆变器[J].中国电机工程学报, 2011, 31(36):40-45.Gu Junyin, Wu Hongfei, Chen Guocheng, et al.Soft-switching grid-connected PV inverter with interleaved flyback topology[J].Proceedings of the CSEE, 2011, 31(36):40-45(in Chinese).
[22]  The Institute of Electrical and Electronics Engineers, Inc.Standards Coordinating Committee 21.IEEE Std 1547 IEEE Standard for Interconnecting Distributed Resources with Electric Power Systems[S].NY:The Institute of Electrical and Electronics Engineers, Inc., 2003.
[23]  王璐.微型光伏并网逆变器研究[D].南京:南京航空航天大学, 2012.Wang Lu.Research on a micro PV inverter[D].Nanjing:Nanjing University of Aeronautics and Astronautics, 2012(in Chinese).

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