| 基于滑模变结构的含不平衡负荷微电网控制策略研究 |
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| 引用本文： | 朱鑫,刘俊勇,刘洋,向月,朱国俊,戴松灵,成思琪,田昊.基于滑模变结构的含不平衡负荷微电网控制策略研究[J].电力系统保护与控制,2015,43(6):25-32. |
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| 作者姓名： | 朱鑫 刘俊勇 刘洋 向月 朱国俊 戴松灵 成思琪 田昊 |
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| 作者单位： | 四川大学电气信息学院，四川 成都 610065;四川大学电气信息学院，四川 成都 610065;四川大学电气信息学院，四川 成都 610065;四川大学电气信息学院，四川 成都 610065;四川省电力公司电力经济技术研究院，四川 成都 610065;四川省电力公司电力经济技术研究院，四川 成都 610065;四川大学电气信息学院，四川 成都 610065;四川大学电气信息学院，四川 成都 610065 |
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| 基金项目： | 中欧中小企业节能减排科研合作资金项目(SQ2011ZOF000004) |
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| 摘 要： | 不平衡负荷会增加系统运行电压的不平衡度和谐波畸变率,影响微电网电能质量。利用滑模变结构控制鲁棒性强、动态响应性好的特点,将其应用于含不平衡负荷微电网运行控制中。对各系统建立了相关数学模型,并设计了相应的控制策略,实现了微电网不同运行模式间的平滑切换。PSCAD/EMTDC仿真结果表明了该方法的可行性和有效性。
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| 关 键 词： | 微电网 滑模变结构 电能质量 不平衡负荷 控制策略 |
| 收稿时间： | 6/9/2014 12:00:00 AM |
| 修稿时间： | 8/4/2014 12:00:00 AM |
Study of micro-grid control strategy contained unbalanced load based on
sliding-mode variable structure |
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| ZHU Xin,LIU Junyong,LIU Yang,XIANG Yue,ZHU Guojun,DAI Songling,CHENG Siqi and TIAN Hao.Study of micro-grid control strategy contained unbalanced load based on
sliding-mode variable structure[J].Power System Protection and Control,2015,43(6):25-32. |
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| Authors: | ZHU Xin LIU Junyong LIU Yang XIANG Yue ZHU Guojun DAI Songling CHENG Siqi and TIAN Hao |
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| Affiliation: | School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China;School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China;School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China;School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China;Economic and
Technical Research Institute of Sichuan Electric Power Corporation, Chengdu 610065, China;Economic and
Technical Research Institute of Sichuan Electric Power Corporation, Chengdu 610065, China;School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China;School of Electrical Engineering and Information, Sichuan University, Chengdu 610065, China |
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| Abstract: | Unbalanced load increases imbalance and harmonic distortion of system operating voltage, which results in the influence of power quality in micro-grid. Sliding-mode variable structure control is proved to be robust and has plenty of remarkable dynamic response characteristics, so that it could be applied to the micro-grid operation with unbalanced load control. The mathematical model of the system is established, and an appropriate control strategy is designed to achieve a smooth mode-switch among diverse micro-grid operating modes. The experimental results of PSCAD/EMTDC show the feasibility and effectiveness of the proposed approach. |
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| Keywords: | micro-grid sliding-mode variable structure control power quality unbalanced load control strategy |
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