Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN2097-6623

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考慮減載比例差異的風(fēng)電場調(diào)頻能力量化評估的研究

來源:電工電氣發(fā)布時間:2026-02-26 15:26瀏覽次數(shù):1

考慮減載比例差異的風(fēng)電場調(diào)頻能力量化評估的研究

陳云龍1,聶雅楠2,彭民1,趙俊淵1,鄭則誠1
(1 國網(wǎng)浙江省電力有限公司臺州供電公司,浙江 臺州 318000;
2 國網(wǎng)浙江省電力有限公司臺州市椒江區(qū)供電公司,浙江 臺州 318000)
 
    摘 要:由于大量風(fēng)電并網(wǎng),需采取有效控制措施使風(fēng)機(jī)能夠響應(yīng)系統(tǒng)頻率變化,而合理調(diào)配風(fēng)電場中各狀態(tài)風(fēng)機(jī)以保證調(diào)頻效果的同時充分挖掘風(fēng)電場調(diào)頻能力是當(dāng)前亟需解決的問題。在單機(jī)調(diào)頻控制方法的基礎(chǔ)上,考慮了不同風(fēng)機(jī)運(yùn)行工況的差別,提出了一種考慮減載比例差異的風(fēng)電場調(diào)頻能力量化評估方法。建立了風(fēng)速、風(fēng)電場減載總功率與單個風(fēng)機(jī)減載功率的量化解析表達(dá)式,并采用能量轉(zhuǎn)換原理推導(dǎo)出各風(fēng)速工況下風(fēng)電機(jī)組的轉(zhuǎn)子動能,充分挖掘風(fēng)電場的調(diào)頻能力。通過構(gòu)建由雙饋感應(yīng)風(fēng)電機(jī)組組成的風(fēng)電場作為仿真案例進(jìn)行分析論證,實(shí)驗(yàn)結(jié)果驗(yàn)證了所提方法的有效性。
    關(guān)鍵詞: 風(fēng)電場;減載比例差異;調(diào)頻能力;雙饋感應(yīng)風(fēng)電機(jī)組
    中圖分類號:TM614 ;TM761+.2     文獻(xiàn)標(biāo)識碼:A     文章編號:2097-6623(2026)02-0023-06
 
Research on Quantitative Evaluation of Frequency Modulation Capability of
Wind Farms Considering Differences in Load Reduction Ratios
 
CHEN Yun-long1, NIE Ya-nan2, PENG Min1, ZHAO Jun-yuan1, ZHENG Ze-cheng1
(1 State Grid Zhejiang Electric Power Co., Ltd. Taizhou Power Supply Company, Taizhou 318000, China;
2 State Grid Zhejiang Electric Power Co., Ltd. Taizhou Jiaojiang Power Supply Company, Taizhou 318000, China)
 
    Abstract: With the large-scale grid integration of wind power, it is necessary to adopt effective control measures to enable wind turbines to respond to system frequency variations. However, rationally dispatching wind turbines in different operating states within a wind farm to ensure the frequency modulation effect while fully tapping the frequency modulation capability of the wind farm has become an urgent problem to be solved at present. Based on the frequency modulation control method for a single turbine and considering the differences in the operating conditions of various wind turbines, a quantitative evaluation method for the frequency modulation capability of wind farms accounting for the differences in load reduction ratios is proposed.Quantitative analytical expressions for wind speed, the total load reduction power of the wind farm and the load reduction power of a single turbine are established, and the rotor kinetic energy of wind turbine units under various wind speed conditions is derived by adopting the energy conversion principle,thus fully exploiting the frequency modulation capability of the wind farm. A wind farm composed of doubly fed induction wind turbine units is constructed as a simulation case for analysis and verification, and the experimental results validate the effectiveness of the proposed method.
    Key words: wind farm; load reduction ratio difference; frequency modulation capability; doubly fed induction wind turbine unit
 
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