| 基于交流斩波装置的三相不平衡无功补偿方案 |
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| 引用本文： | 程顺足,郭西进,李素英. 基于交流斩波装置的三相不平衡无功补偿方案[J]. 工矿自动化, 2013, 39(1): 74-77 |
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| 作者姓名： | 程顺足 郭西进 李素英 |
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| 作者单位： | 中国矿业大学信电学院,江苏徐州,221008 |
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| 基金项目： | 国家自然科学基金项目(60804022) |
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| 摘 要： | 提出采用交流斩波装置对三相不平衡系统进行动态无功补偿的方案,给出了装置结构,通过仿真验证了交流斩波装置可通过改变占空比来调节输出电压,进而调节容性负载的容量值,实现不平衡负载无功功率的动态调节;采用Matlab软件对交流斩波装置在三相四线制不平衡系统无功补偿中的应用进行了仿真研究,结果表明,交流斩波装置可连续可调地补偿不平衡电流,且不会向电网注入谐波电流。
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| 关 键 词： | 三相不平衡系统 无功补偿 动态补偿 交流斩波装置 |
Reactive compensation scheme of three phase unbalance based on AC chopper device |
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| CHENG Shun-zu,GUO Xi-jin,LI Su-ying. Reactive compensation scheme of three phase unbalance based on AC chopper device[J]. Industry and Automation, 2013, 39(1): 74-77 |
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| Authors: | CHENG Shun-zu GUO Xi-jin LI Su-ying |
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| Affiliation: | (School of Information and Electrical Engineering,China University of Mining and Technology, Xuzhou 221008,China) |
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| Abstract: | The paper proposed a scheme of using AC chopper device to compensate three phase unbalanced system dynamically and gave the device structure.The simulation result verified that the AC chopper device can adjust output voltage by changing duty ratio,and then adjust capacity value of capacitive load,which achieves dynamic reactive power regulation of unbalanced load.It also simulated application of the AC chopper device in reactive power compensation of three-phase four-wire unbalanced system by use of Matlab software,and the result showed that the AC chopper device can continuously and adjustably compensate unbalance current and pours no harmonic current into power grid. |
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| Keywords: | three phase unbalanced system reactive power compensation dynamic compensation AC chopper device |
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