| 新型直接功率控制并网逆变器 |
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| 引用本文： | 卜树坡,王蕴恒. 新型直接功率控制并网逆变器[J]. 黑龙江科技学院学报, 2009, 19(2): 129-132 |
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| 作者姓名： | 卜树坡 王蕴恒 |
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| 作者单位： | 黑龙江科技学院,电气与信息工程学院,哈尔滨,150027 |
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| 摘 要： | 为了提高分布式发电系统的并网运行质量,基于电流重构技术,设计了直接功率控制的并网逆变器。该设计由SVPWM控制原理,得到母线电流与三相逆变电流的对应关系,通过引入新型电压矢量作用算法,实现了全区域的逆变电流重构。验证实验在并网功率为1000 W、采样频率为10 kHz的小功率实验平台上进行,结果表明：该设计理论算法正确,电流重构效果良好,能够保证发电系统的可靠运行。
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| 关 键 词： | 并网逆变器 电流重构 直接功率控制 母线电流 |
New type direct power controlled grid-connected inverter |
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| BU Shupo,WANG Yunheng. New type direct power controlled grid-connected inverter[J]. Journal of Heilongjiang Institute of Science and Technology, 2009, 19(2): 129-132 |
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| Authors: | BU Shupo WANG Yunheng |
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| Affiliation: | College of Electric & Information Engineering;Heilongjiang Institute of Science & Technology;Harbin 150027;China |
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| Abstract: | This paper is an effort to improve the quality of grid-connected operation of the distributed power generation system by designing a grid-connected inverter of direct power controlled,based on the current reconstruction technique.The design makes possible the relationship between dc-bus current and three phase inverting currents,depending on the SVPWM control principle.The current reconstruction in whole region is realized by introducing a new type algorithm of voltage vectors operation.An experiment done o... |
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| Keywords: | grid-connected inverter current reconstruction direct power control dc-bus current |
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