提高雙饋風力發(fā)電機低電壓穿越能力技術(shù)分析
裴澤陽,王致杰,肖浩
(上海電機學院 電氣學院,上海 200240)
摘 要: 針對雙饋風力發(fā)電機(DFIG) 低電壓穿越(LVRT) 難的問題,結(jié)合目前國內(nèi)外發(fā)展現(xiàn)狀分析了電網(wǎng)電壓跌落對DFIG 的影響,指出針對這一影響目前常用到的幾種解決辦法,并結(jié)合目前國內(nèi)外風電發(fā)展方向,給出了兩種更具綜合意義的解決方法,一是采用柔性直流的并網(wǎng)方式,二是添加基于超級電容的動態(tài)電壓補償器。
關(guān)鍵詞: 雙饋風力發(fā)電機;低電壓穿越;柔性直流;動態(tài)電壓補償器
中圖分類號:TM315 文獻標識碼:A 文章編號:1007-3175(2015)07-0001-05
Technical Analysis of Improving Ability of Double-Fed Induction Generator Low Voltage Ride Through
PEI Ze-yang, WANG Zhi-jie, XIAO Hao
(School Electrical Engineering, Shanghai Dianji University, Shanghai 200240, China)
Abstract: In allusion to the hard problem of double-fed induction generator (DFIG) low voltage ride through(LVRT), combining with the current situation of the development at home and abroad, this paper analyzed the impact of grid voltage drop on DFIG, pointing out several kinds of solutions on the influence of this question. Combining with the current development orientation of wind power at home and abroad, this paper gave two more comprehensive meaning solutions. One is to use the flexible direct current interconnection, and the other is to add the dynamic voltage compensator based on super capacitors.
Key words: double-fed Induction generator; low voltage ride through; flexible direct current; dynamic voltage compensator
參考文獻
[1] ZHANG Yong,DUAN Zhen-gang,LIU Xue-lian.Comparison of grid code requirements with
wind turbine in China and Europe[C]//Asia-Pacific Power and Energy EngineeringConference,IEEE,2010:1-4.
[2] 賀益康,周鵬. 變速恒頻雙饋異步風力發(fā)電系統(tǒng)低電壓穿越技術(shù)綜述[J]. 電工技術(shù)學報,2009,24(9):140-146.
[3] 賀益康,胡家兵. 雙饋異步風力發(fā)電機并網(wǎng)運行中的幾個熱點問題[J]. 中國電機工程學報,2012,32(27):1-15.
[4] 胡家兵,孫丹,賀益康,等. 電網(wǎng)電壓驟降故障下雙饋風力發(fā)電機建模與控制[J]. 電力系統(tǒng)自動化,2006,30(8):21-26.
[5] 楊之俊,吳紅斌,丁明,等. 故障時雙饋風力發(fā)電系統(tǒng)的控制策略研究[J]. 電力系統(tǒng)保護與控制,2010,38(1):14-18.
[6] Xiang Dawei, Li Ran. Control of a doubly fed induction generator in a wind turbine during grid fault ride-through[J].IEEE Transactions on Energy Conversion, 2006, 21(3):652-662.
[7] 高仕紅,張昌華,耿東山,等.提高雙饋式風力發(fā)電機故障穿越能力的控制策略[J].電力系統(tǒng)保護與控制,2013,41(5):126-132.
[8] Lopez J, Gubia E, Olea E, et al. Ride through of wind turbines with doubly fed induction generator under symmetrical voltage dips[J].IEEE Transactions on Industrial Electronics,2009, 56(10):4246-4254.
[9] 蔣說東,劉軍.一種新的雙饋風力發(fā)電機的低電壓穿越方案研究[J].太陽能學報,2014,35(2):221-229.
[10] Janos Rajda,Anthony William Galbraith,Colin David Schauder.Device,system and method for providing a low-voltage fault ride-through for a wind generator farm:United States,0267560[P].2006-11-30.
[11] 鄒和平,于芃,周瑋,等.基于超級電容器儲能的雙饋風力發(fā)電機低電壓穿越研究[J].電力系統(tǒng)保護與控制,2010,38(10):48-52.
[12] 徐政.柔性直流輸電系統(tǒng)[M].北京:機械工業(yè)出版社,2014.
[13] Hu Pengfei, Jiang Daozhuo, A Level-Increased Nearest Level Modulation Method for Modular Multilevel Converters[J].IEEE transactions on Power Electronics, 2015, 30(4):1836-1842.
[14] 李輝,陳宏文,楊超,等. 含雙饋風電場的電力系統(tǒng)低頻振蕩模態(tài)分析[J]. 中國電機工程學報,2013,33(28):17-24.
[15] 許建兵,江全元,石慶均. 基于儲能型DVR 的雙饋風電機組電壓穿越協(xié)調(diào)控制[J]. 電力系統(tǒng)自動化,2013,37(4):14-20.