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张嘉涛,张 利,赵胜男,等. 基于磁能再生开关的分布式发电系统电压控制技术[J]. 科学技术与工程, 2019, 19(33): .
ZHANG Jia-tao,ZHANG Li,ZHAO Sheng-nan,et al.Research on Voltage Control Technology of Distributed Generation System Based on Magnetic Energy Regenerative Switch[J].Science Technology and Engineering,2019,19(33):.
基于磁能再生开关的分布式发电系统电压控制技术
Research on Voltage Control Technology of Distributed Generation System Based on Magnetic Energy Regenerative Switch
投稿时间:2019-03-01  修订日期:2019-08-15
DOI:
中文关键词:  
英文关键词:distributed  generation magnetic  energy regeneration  switch synchronous  phase shift  control reactive  power compensation
基金项目:
           
作者单位
张嘉涛 国网河南省电力公司检修公司
张 利 国网河南省电力公司检修公司
赵胜男 国网河南省电力公司检修公司
薛田良 三峡大学电气与新能源学院
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中文摘要:
      针对分布式发电系统电压随负载变化容易发生波动的问题,提出一种基于三相磁能再生开关(MERS)拓扑及其控制的电压调节方法。文中分析了同步相移控制下的MERS电压和电流波形,对其傅里叶级数分解得到线性化等效模型,进而阐释了其连续无功补偿和电压调节的原理;然后构建了MERS的无功输出与其两个重要参数触发延迟角、滞留电容最小电压间的联系,进一步给出了频率内环、电压外环的电压控制策略;最后,搭建了20kW实验平台验证了该拓扑及控制方法能够实现分布式发电系统电压的快速和精准调节。
英文摘要:
      Aiming at the problem that the voltage of the distributed generation system fluctuates easily with the load change, a voltage regulation method based on the three-phase magnetic energy regeneration switch (MERS) topology and its control is proposed. In this paper, the MERS voltage and current waveforms under synchronous phase shift control are analyzed, and the linearized equivalent model is obtained by Fourier series decomposition. The principle of continuous reactive power compensation and voltage regulation is explained. Then, the MERS is constructed. The relationship between the power output and its two important parameters, the trigger delay angle and the minimum voltage of the residual capacitor, further gives the voltage control strategy of the inner loop and the voltage outer loop. Finally, a 20kW experimental platform is built to verify that the topology and control method can Achieve fast and precise adjustment of the voltage of the distributed generation system.
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