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分布式电源对故障恢复初期不平衡孤网稳态特性影响

, PP. 120-125

Keywords: 故障恢复,异步发电机,分布式电源,稳态,风力发电

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Abstract:

针对故障后恢复初期的薄弱三相不平衡电网,研究了以自励式异步发电机为代表的分布式电源并网后对原有不平衡系统稳态运行特性的影响。以孤网稳态运行数学模型为基础,利用对称分量法并结合相应的误差分析,得出系统的简化等值复合序网及同步发电机支路负序电流比重的理论公式。同时在此基础上分析了负荷量一定的情况下,并网后的分布式电源采用不同的运行调整策略对原系统同步发电机支路电流不平衡度的影响。研究结果表明并网的分布式电源不适当的调节策略反而可能增加原系统同步发电机支路的负序电流比重,降低同步发电机运行的安全性。仿真与理论计算结果的对比分析,验证了本文结论的正确性及有效性。

References

[1]  梁才浩, 段献忠. 分布式发电及其对电力系统的影响[J]. 电力系统自动化, 2001, 25(12): 53-56.
[2]  Liang Caihao, Duan Xianzhong. Distributed generation and its impact on power system[J]. Automation of Electric Power Systems, 2001, 25(12): 53-56.
[3]  Yasuda K, Ishii T. Analysis and autonomous distributed control of super distributed energy systems[C]. Transmission and Distribution Conference and Exhibition 2002 Asia Pacific IEEE/PES, 2002, 3: 1628-1631.
[4]  申洪, 王伟胜, 戴慧珠. 变速恒频风力发电机组的无功功率极限[J]. 电网技术, 2003, 27(11): 60-63.
[5]  Shen Hong, Wang Weisheng, Dai Huizhu. Reactive power limit of variable-speed constant-frequency wind turbine[J]. Power System Technology, 2003, 27(11): 60-63.
[6]  Philip P Barker, Robert W de Mello. Determining the impact of distributed generation on power systems: Part 1: radial distribution systems [C]. IEEE Power Engineering Society Summer Meeting, 2000, 3: 1645-1656.
[7]  Miller N W, Walling R A, Achilles A S. Impact of distributed resources on system dynamic performance[C]. Transmission and Distribution Conference and Exposition, 2001 IEEE/PES, 2001, 2: 951-952.
[8]  Ed Mayer. Competitive power solutions [C]. IEEE Power Engineering Society Summer Meeting, 2000, 3: 1668-1669.
[9]  Guttromson Ross T. Modeling distributed energy resource dynamics on the transmission system[J]. IEEE Transactions on Power Systems, 2002, 17(4): 1148-1153.
[10]  何仰赞, 温增银, 汪馥英, 等. 电力系统分析(上)[M]. 武汉:华中理工大学出版社, 1996.
[11]  谢应璞. 电机学(上、下)[M]. 成都:成都科技大学出版社, 1994.
[12]  吴新振, 王祥珩, 郝宽胜. 异步发电机恒压运行时机端无功补偿功率[J]. 清华大学学报(自然科学版), 2007, 47(1): 13-16.
[13]  Wu Xinzhen, Wang Xiangheng, Hao Kuansheng. Terminal reactive compensation power of induction generator under constant voltage operation [J]. Journal of Tsinghua University (Sci & Tech), 2007, 47(1): 13-16.
[14]  Murthy S S, Singh B, Gupta S, et al. General steady-state analysis of three-phase self-excited induction generator feeding three-phase unbalanced load-single-phase load for stand-alone applications[J]. IEE Proceedings of Generation, Transmission and Distribution, 2003, 150(1): 49-55.
[15]  Chan T F, Loi Lei Lai. Steady-state analysis and performance of a stand-alone three-phase induction generator with asymmetrically connected load impedances and excitation capacitances [J]. IEEE Transactions on Power Systems, 2001, 16(4): 327-333.
[16]  Adibi M M, Milanicz D P, Volkmann T L. Asymmetry issues in power system restoration[J]. IEEE Transactions on Power Systems, 1999, 14(3): 1085-1091.

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