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考虑系统与敏感负荷兼容性的电压暂降指标

, PP. 132-138

Keywords: 电压暂降,兼容性,量化评估,层次分析法,灰色关联分析法,变权

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Abstract:

针对电压暂降对用户的影响和电力市场按质论价的需求,论证了评估电压暂降的必要性,并对国内外电压暂降评估现状进行了全面而客观的分析。在此基础上,提出了一种考虑供电系统和敏感负荷兼容性的电压暂降干扰性量化评估方法。该方法从系统的角度考虑的同时,以ITIC和SEMIF47曲线为参考从敏感负荷的角度考虑,通过层次分析法(AHP)确定各影响因素的常数权重,利用灰色关联分析(GRA)求得关联系数,并与常数权重相结合获取可变权重,最后得到电压暂降样本与标准电压的关联度,其值越小表明电压暂降干扰越严重。与电压暂降能量指标相比较得出,该方法能够精确反映电压暂降真实的干扰水平。

References

[1]  黄剑, 周林, 等. 基于物元分析理论的电能质量综合评估[J]. 重庆大学学报 (自然科学版), 2007, 30(6): 25-29.
[2]  Huang Jian, Zhou Lin, et al. Evaluation of power quality based on the method of matter-element[J]. Journal of Chongqing University (Natural Science Edition), 2007, 30(6): 25-29.
[3]  周林, 栗秋华, 张凤. 遗传投影寻踪插值模型在电能质量综合评估中的应用[J]. 电网技术, 2007, 31(7): 32-35.
[4]  Zhou Lin, Li Qiuhua, Zhang Feng. Application of genetic projection pursuit interpolation model on power quality synthetic evaluation[J]. Power System Technology, 2007, 31(7): 32-35.
[5]  Zhou Lin, Li Qiuhua, et al. Evaluation of power quality by fuzzy artificial neural network[J]. High Voltage Engineering, 2007, 33(9): 66-69.
[6]  Juan A M, Jacinto M A. Voltage sag studies in distribution networks-part III: voltage sag index calculation[J]. IEEE Tranasactions on Power Delivery, 2006, 21(3): 1689-1697.
[7]  IEEE Std. 493—1997 Recommended practice for the design of reliable industrial and commercial power systems[S]. 1997.
[8]  NRS 048—2: 2003 Electricity supply-quality of supply, Part 2: voltage characteristics, compatibility levels, limits and assessment methods (supersides 1996 edition)[S]. 2003.
[9]  Tao Shun, Xiao Xiangning, Liu Xiaojuan. Study on distribution reliability considering voltage sags and acceptable indices[J]. Proceedings of the CSEE, 2005, 25(21): 63-69.
[10]  Djokic S Ž, Stockman K, et al. Sensitivity of AC adjustable speed drives to voltage sags and short interruptions[J]. IEEE Transactions on Power Delivery, 2005, 20(1): 494-505.
[11]  Djokic S Ž, Desmet J, et al. Sensitivity of personal computers to voltage sags and short interruptions[J]. IEEE Transactions on Power Delivery, 2005, 20(1): 375-383.
[12]  Shen Chengchieh, Lu Channan. A voltage sag index considering compatibility between equipment and supply[J]. IEEE Transactions on Power Delivery, 2007, 22(2): 996-1002.
[13]  邓聚龙. 灰理论基础[M]. 武汉:华中科技大学出版社, 2002.
[14]  李智勇, 吴为麟. 基于分形测度的电压暂降持续时间检测[J]. 电工技术学报, 2007, 22(9): 148-153.
[15]  Li Zhiyong, Wu Weilin. Voltage sag duration detecting method based on fractal number measurement[J]. Transactions of China Electro-technical Society, 2007, 22(9): 148-153.
[16]  张庆超, 肖玉龙. 一种改进的电压暂降检测方法[J]. 电工技术学报, 2006, 21(2): 123-126.
[17]  Zhang Qingchao, Xiao Yulong. An improved detection method of voltage sag[J]. Transactions of China Electrotechnical Society, 2006, 21(2): 123-126.
[18]  Brooks D L, Dugan R C, Waclawiak M. Indices for assessing utility distribution system RMS variation performance[J]. IEEE Tranactions on Power Delivery, 1998, 13 (1): 254-259.
[19]  周林, 栗秋华, 等. 用模糊神经网络模型评估电能质量[J]. 高电压技术, 2007, 33(9): 66-69.
[20]  Bollen M H J, Sabin D D, Thallam R S. Voltage-sag indices—recent developments in IEEE P1564 task force [C]. CIGRE/IEEE on Quality and Security of Electric Power Delivery Systems, Toronto, Canada, 2003: 34-41.
[21]  IEEE P1564 Draft 6: Recommended practice for the establishment of voltage sag indices, Jan. 2004.
[22]  陶顺, 肖湘宁, 刘晓娟. 电压暂降对配电系统可靠性影响及其评估指标的研究[J]. 中国电机工程学报, 2005, 25(21): 63-69.

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