風電場接入地區(qū)電網靜態(tài)電壓穩(wěn)定性分析
譚志廣1,彭顯剛1,武小梅1,陳慧坤2,歐英龍2
1 廣東工業(yè)大學 自動化學院,廣東 廣州 510006; 2 廣東電網公司湛江供電局,廣東 湛江 524005
摘 要:大容量風電遠距離輸送可能會對風電接入地區(qū)的電壓穩(wěn)定性造成較大的影響。介紹了電壓穩(wěn)定性分析的基本原理,基于PSD-VSAP軟件對風電接入地區(qū)電網電壓的穩(wěn)定性進行了分析計算,得出薄弱節(jié)點負荷母線的P-V曲線以及關鍵輸電通道的極限傳輸功率,并給出了有利于提高風電地區(qū)電壓穩(wěn)定的措施。
關鍵詞:電壓穩(wěn)定;參與因子;穩(wěn)定裕度
中圖分類號:TM614 文獻標識碼:A 文章編號:1007-3175(2013)02-0019-05
Analysis of Static Voltage Stability for Power Grid in Connection Regions of Wind Farms
TAN Zhi-guang1, PENG Xian-gang1, WU Xiao-mei1, CHEN Hui-kun2, OU Ying-long2
1 School of Automation, Guangdong University of Technology, Guangzhou 510006, China;
2 Zhanjiang Power Supply Bureau, Guangdong Power Grid Corporation, Zhanjiang 524005, China
Abstract: Long-distance electricity transmission of high-capacity wind power may have great impacts on the voltage stability of grid in connection regions of wind farms. Introduction was made to the basic principle of voltage stability analysis. This paper carried out analysis calculation for voltage stability of grid in connection regions of wind farms by the software, PSD-VSAP, obtaining the P-V curve of weak nodes in load bus, as well as the transmission power limitation of key transmission channels and giving measures in favor of improving voltage stability in wind farms.
Key words: voltage stability; participation factor; stability margin
參考文獻
[1] 馬幼捷,張繼東,周雪松,王新志.風電場的穩(wěn)定問題[J].可再生能源,2006(3):37-39.
[2] 張義斌,王偉勝,戴慧珠.基于P-V曲線的風電場接入系統(tǒng)穩(wěn)態(tài)分析[J].電網技術,2004,28(23):61-65.
[3] 王錫凡,方萬良,杜正春.現代電力系統(tǒng)分析[M].北京:科學出版社,2003.
[4] 陳敏,張步涵,段獻忠,等.基于最小奇異值靈敏度的電壓穩(wěn)定薄弱節(jié)點研究[J].電網技術,2006,30(24):36-39.
[5] 廖成濱,溫步瀛,江岳文.風電并網后系統(tǒng)電壓穩(wěn)定薄弱節(jié)點研究[J].電網與清潔能源,2011,27(10):82-86.