Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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海上風電交流并網系統(tǒng)諧波電流放大仿真評估與預測

來源:電工電氣發(fā)布時間:2025-07-24 15:24瀏覽次數:102

海上風電交流并網系統(tǒng)諧波電流放大仿真評估與預測

王晨軒1,王嘉毅2,曹狄3,汪衛(wèi)東1,占剛強1
(1 國網浙江省電力有限公司經濟技術研究院,浙江 杭州 310016;
2 浙江省送變電工程有限公司,浙江 杭州 310016;
3 國網浙江省電力有限公司超高壓分公司,浙江 杭州 311121)
 
    摘 要:魚山島周邊海域作為浙江海上風電基地的重要組成部分,大容量海上風電場通過長距離海纜并網,存在諧波電流放大風險。對接入魚山島的 DS 與 SS 海上風電場及其升壓站、輸電電纜等作了詳細建模,分析了海上風電并網電流諧波放大現象的原因,并通過仿真驗證了這一現象。同時基于魚山島海上風電發(fā)展規(guī)劃,通過仿真對未來規(guī)劃下魚山島海風并網系統(tǒng)諧波電流放大水平作了預測,建議海上風電廠家、業(yè)主與電網公司,在規(guī)劃設計階段均應考慮新接入風電場對諧波電流放大效應的影響,合理設計電能質量治理裝置容量,以應對這一問題。
    關鍵詞: 諧波電流放大;海上風電交流并網系統(tǒng);電纜電容;電能質量
    中圖分類號:TM614     文獻標識碼:A     文章編號:1007-3175(2025)07-0037-06
 
Simulation Evaluation and Prediction of Harmonic Current Amplification in
Offshore Wind Power AC Grid Connected System
 
WANG Chen-xuan1, WANG Jia-yi2, CAO Di3, WANG Wei-dong1, ZHAN Gang-qiang1
(1 Economic Research Institute of State Grid Zhejiang Electric Power Co., Ltd, Hangzhou 310016, China;
2 Zhejiang Electric Transmission and Transformation Engineering Corporation, Hangzhou 310016, China;
3 EHV Branch Company of State Grid Zhejiang Electric Power Co., Ltd, Hangzhou 311121, China)
 
    Abstract: The surrounding waters of Yushan Island, as a critical component of Zhejiang’s offshore wind power base, involve large-capacity offshore wind farms connected to the grid via long-distance submarine cables, which carry risks of harmonic current amplification.Detailed modeling was conducted for the DS and SS offshore wind farms connected to Yushan Island, along with their step-up stations and transmission cables. The causes of harmonic current amplification in offshore wind power grid connected were analyzed and verified through simulations. Based on the development plan for Yushan Island’s offshore wind power, simulations were also performed to predict harmonic current amplification levels under future offshore wind power grid connected system. It is recommended that offshore wind turbine manufacturers,project owners, and grid operators should consider the harmonic current amplification effects of newly connected wind farms during the planning and design phases, and appropriately size power quality control devices to address this issue.
    Key words: harmonic current amplification; offshore wind AC grid connected system; cable capacitance; power quality
 
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