[1]穆永強,王勇,王春生,等.並網風電站低穿檢測實驗中暫態過電壓優化控制方法研究[J].高壓電器,2018,54(03):128-135.[doi:10.13296/j.1001-1609.hva.2018.03.019]
 MU Yongqiang,WANG Yong,WANG Chunsheng,et al.Study on Optimal Control for Transient Overvoltage in Low Voltage Ride-through Testing of Grid-connected Wind Farm[J].High Voltage Apparatus,2018,54(03):128-135.[doi:10.13296/j.1001-1609.hva.2018.03.019]
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並網風電站低穿檢測實驗中暫態過電壓優化控制方法研究()
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《高壓電器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第54卷
期數:
2018年03期
頁碼:
128-135
欄目:
研究與分析
出版日期:
2018-03-15

文章信息/Info

Title:
Study on Optimal Control for Transient Overvoltage in Low Voltage Ride-through Testing of Grid-connected Wind Farm
作者:
穆永強1王勇1王春生2佟永吉1朱洪波1
1. 國網遼甯省電力有限公司, 沈陽 110006; 2. 國網遼甯省電力有限公司經濟技術研究院, 沈陽 110015
Author(s):
MU Yongqiang1 WANG Yong1 WANG Chunsheng2 TONG Yongji1 ZHU Hongbo1
1. State Grid Liaoning Electric Power Company Limited, Shenyang 110006, China; 2. State Grid Liaoning Electric Power Economic Research Institute, Shenyang 110015, China
關鍵詞:
並網風電站 狀態平均法 模糊自適應 暫態過電壓 動態響應 穩定性
Keywords:
grid-connected wind farm state averaging method fuzzy adaptive transient overvoltage dynamic response stability
DOI:
10.13296/j.1001-1609.hva.2018.03.019
文獻標志碼:
A
摘要:
現有並網風電站低電壓穿越測試裝置采用電抗器投切的方式模擬測試點電壓故障,在實驗過程中斷路器投切大電感負載時會産生頻率較高幅值較大的暫態操作過電壓,嚴重危害電力設備安全。爲此,文中以風電站內現有蓄電池組和超級電容器組成的混合儲能設備爲基礎,應用狀態平均法建立並網風電站數學模型,提出對混合儲能設備電壓、電流環分別進行控制的改進模糊自適應PID控制方法,借此實現對測試實驗過程中暫態過電壓的優化控制。通過在MATLAB平台與常規型PID控制策略的同類系統對比分析表明,采用改進模糊自適應PID控制策略的混合儲能設備具有更短的暫態過電壓動態響應時間與更強的穩定性,能夠有效抑制過電壓,保障測試實驗過程中設備的安全運行。
Abstract:
Now low voltage ride-through testing device in grid-connected wind farm uses switching reactor to simulating voltage breakdown of testing point,breaker switching big reactor will produce high frequency and amplitude transient overvoltage during the test,the safety of electric device will be badly harmed. Therefore,this paper is based on battery and super-capacitor hybrid energy storage system in wind farm. The mathematical model of grid-connected wind farm is built by using state averaging method,the voltage and current circuit better fuzzy adaptive PID control of hybrid energy storage device is provided,to realize the optimal control of transient overvoltage during the test. According to comparing traditional PID control strategy with similar system on MATLAB,hybrid energy storage device of better fuzzy adaptive PID control strategy has shorter response time of transient overvoltage and stronger stability. Besides,better fuzzy adaptive control strategy can effectively suppress overvoltage and ensure safety running of the device during the test.

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備注/Memo

備注/Memo:
收稿日期:2017- 10- 20; 修回日期:2017 - 12 - 21.穆永強(1971—),男,工商管理碩士,高級工程師,多年從事電網規劃、建設及相關管理工作。
更新日期/Last Update: 2018-02-25