Voltage control strategy of D-STATCOM based on Fuzzy-PI controller

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作者
Hunan University, Changsha 410082, China [1 ]
不详 [2 ]
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Diangong Jishu Xuebao | 2008年 / 2卷 / 120-126期
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Mathematical models - Membership functions;
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摘要
The voltage control strategy of distribution static synchronous compensator (D-STATCOM) based on Fuzzy-PI Controller is presented in this paper. The characteristics of mathematic model of D-STATCOM is investigated.The paper points out that the traditional PI control can not fit for the control system of D-STATCOM. In the traditional cascade control strategy it is very difficulty to tuning the PI regulator parameter and it has not the adaptive performance. In order to improve the control performance of D-STATCOM control system, the direct voltage control strategy based on the balance of instantaneous power combined with PI control method based on self-tuning parameter is proposed. The simplicity, excellent performance and practiclity are verified by experimental results.
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