| 三电平STATCOM不平衡条件下指令电流检测方法研究 |
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| 引用本文： | 李成君,张迎,孙华.三电平STATCOM不平衡条件下指令电流检测方法研究[J].变频器世界,2011(11):109-112. |
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| 作者姓名： | 李成君 张迎 孙华 |
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| 作者单位： | 中国矿业大学信息与电气工程学院; |
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| 基金项目： | 中国矿业大学中央高校基本科研业务费专项资金支持,项目编号:2010ZPD01A10 |
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| 摘 要： | 本文针对三电平STATCOM在三相电网电压不平衡情况下,为了能够准确快速检测出负载电流的基波无功、负序以及谐波分量,提出了一种基于微分环节的改进指令电流检测方法,并对该检测方法在电网电压不平衡条件下的检测效果进行了仿真分析。
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| 关 键 词： | 三电平静止同步补偿器 指令电流检测 不平衡控制 微分 |
Study on the Instruction Current Imbalance Detection Method of Three-level STATCOM |
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| Li Chengjun Zhang Ying Sun Hua.Study on the Instruction Current Imbalance Detection Method of Three-level STATCOM[J].THE WORLD OF INVERTERS,2011(11):109-112. |
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| Authors: | Li Chengjun Zhang Ying Sun Hua |
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| Affiliation: | Li Chengjun Zhang Ying Sun Hua |
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| Abstract: | In this paper,under unbalanced voltage of Three-level STATCOM,an improved method based on differentiator is presented to detect the fundamental reactive component, the negative and harmonic components of load current quickly and accurately in the case of grid voltage unbalance.Performance of the proposed detection method under unbalanced voltage is evaluted based on simulation analysis. |
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| Keywords: | Three-level STATCOM Reference current detection Unbalance control Differentiator |
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