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海上風(fēng)電交流并網(wǎng)系統(tǒng)諧波電流放大仿真評(píng)估與預(yù)測(cè)

來(lái)源：電工電氣發(fā)布時(shí)間：2025-07-24 15:24 瀏覽次數(shù)：107

海上風(fēng)電交流并網(wǎng)系統(tǒng)諧波電流放大仿真評(píng)估與預(yù)測(cè)

王晨軒¹，王嘉毅²，曹狄³，汪衛(wèi)東¹，占剛強(qiáng)¹

(1 國(guó)網(wǎng)浙江省電力有限公司經(jīng)濟(jì)技術(shù)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(guó)網(wǎng)浙江省電力有限公司超高壓分公司，浙江杭州 311121)

摘要：魚(yú)山島周邊海域作為浙江海上風(fēng)電基地的重要組成部分，大容量海上風(fēng)電場(chǎng)通過(guò)長(zhǎng)距離海纜并網(wǎng)，存在諧波電流放大風(fēng)險(xiǎn)。對(duì)接入魚(yú)山島的 DS 與 SS 海上風(fēng)電場(chǎng)及其升壓站、輸電電纜等作了詳細(xì)建模，分析了海上風(fēng)電并網(wǎng)電流諧波放大現(xiàn)象的原因，并通過(guò)仿真驗(yàn)證了這一現(xiàn)象。同時(shí)基于魚(yú)山島海上風(fēng)電發(fā)展規(guī)劃，通過(guò)仿真對(duì)未來(lái)規(guī)劃下魚(yú)山島海風(fēng)并網(wǎng)系統(tǒng)諧波電流放大水平作了預(yù)測(cè)，建議海上風(fēng)電廠家、業(yè)主與電網(wǎng)公司，在規(guī)劃設(shè)計(jì)階段均應(yīng)考慮新接入風(fēng)電場(chǎng)對(duì)諧波電流放大效應(yīng)的影響，合理設(shè)計(jì)電能質(zhì)量治理裝置容量，以應(yīng)對(duì)這一問(wèn)題。

關(guān)鍵詞： 諧波電流放大；海上風(fēng)電交流并網(wǎng)系統(tǒng)；電纜電容；電能質(zhì)量

中圖分類(lèi)號(hào)：TM614 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：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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海上風(fēng)電交流并網(wǎng)系統(tǒng)諧波電流放大仿真評(píng)估與預(yù)測(cè)