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电网技术  2009 

敏感设备电压凹陷敏感度的随机-模糊评估方法

, PP. 39-44

Keywords: 电压凹陷,敏感设备,故障率,不确定性,随机模拟

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Abstract:

受系统凹陷特征和设备自身电压耐受能力不确定性的影响,对电压凹陷引起的敏感设备故障进行评估存在困难。系统凹陷严重程度取决于系统内故障位置、类型等因素,设备的电压扰动承受能力与设备结构、功能、运行状态等因素有关。基于不确定性理论,分别用随机变量和模糊变量描述系统凹陷特征和设备电压耐受能力的不确定性,提出了一种敏感设备电压凹陷敏感度的随机-模糊评估方法。以IEEE-30节点系统连接PC机为例进行了仿真,并与随机模拟结果进行了比较,结果表明文中的评估方法能较好地反映实际情况,评估准确性高,有一定的理论价值和较好的工程应用前景。

References

[1]  IEEE Std 1159–1995,IEEE recommended practice for monitoring electric power quality[S].
[2]  刘守亮,肖先勇,杨洪耕.基于S变换模时频矩阵相似度的短时电能质量扰动分类[J].电网技术,2006,30(5):67-71.
[3]  Liu Shouliang,Xiao Xianyong,Yang Honggeng.Classification of short duration power quality disturbance based on module time- frequency matrixes similarity by S-transform[J].Power System Technology,2006,30(5):67-71(in Chinese).
[4]  肖湘宁,徐永海.电能质量问题剖析[J].电网技术,2001,25(3):66-69.
[5]  Xiao Xiangning,Xu Yonghai.Power quality analysis and development[J].Power System Technology,2001,25(3):66-69(in Chinese).
[6]  王宾,潘贞存,徐丙垠.配电系统电压跌落问题的分析[J].电网技术,2004,28(2):56-59.
[7]  Wang Bin,Pan Zhencun,Xu Bingyin.Analysis of voltage sags in distributions system[J].Power System Technology,2004,28(2):56-59(in Chinese).
[8]  李研,余欣梅,熊信艮,等.电力系统电压暂降分析计算方法综述[J].电网技术,2004,28(14):74-78.
[9]  Li Yan,Yu Xinmei,Xiong Xinyin,et al.A survey on calculation and analysis methods of voltage sag[J].Power System Technology,2004,28(14):74-78(in Chinese).
[10]  肖遥,李澍森.供电系统的电压下凹[J].电网技术,2001,25(1):73-77.
[11]  Xiao Yao,Li Shusen.Voltage dip in power supply network[J].Power System Technology,2001,25(1):73-77(in Chinese).
[12]  McGranaghan M F,Mueller D R,Samotyj M J.Voltage sags in industrial systems[J].IEEE Trans on Industry Application,1993,29(3):397-402.
[13]  肖先勇,王希宝,薛丽丽,等.敏感负荷电压凹陷敏感度的随机估计方法[J].电网技术,2007,31(22):30-33.
[14]  Xiao Xianyong,Wang Xibao,Xue Lili,et al.voltage sag sensitivity of sensitive equipments[J].Power System Technology,2007,31(22):30-33(in Chinese).
[15]  IEEE Standard 1346–1998,IEEE recommend practice evaluating eletric power system compatibility with electronic process equipment [S].
[16]  SEMIF47–0200,Specification for semiconductor processing equipment voltage sag immunity[S].
[17]  Djokic S Z,Milanovic J V,Kirschen D S.Sensitivity of AC coil contactors to voltage sag,short interruptions and undervoltage transients[J].IEEE Trans on Power Delivery,2004,19(3):1299-1307.
[18]  Djokic S Z,Desmet J,Vanalrne G,et al.Sensitivity of personal computers to voltage sags and short interruptions[J].IEEE Trans on Power Delivery,2005,20(1):375-383.
[19]  Djokic S Z,Stockman K,Milanovic J V,et al.Sensitivity of AC adjustable speed drives to voltage sags and short interruptions [J].IEEE Trans on Power Delivery,2005,20(1):494-505.
[20]  Gupta C P,Milanovic J V.Probabilistic methods for counting equipment trips due to voltage sags[C].9th International Conference on Probabilistic Methods Applied to Power Systems,Stockholm,Sweden,2006.
[21]  Milanovic J V,Gupta C P.Probabilistic assessment of financial losses due to interruptions and voltage sags—part I: the methodology [J].IEEE Trans on Power Delivery,2006,21(2):918-924.
[22]  Milanovic J V,Gupta C P.Probabilistic assessment of financial losses due to interruptions and voltage sags-part II:practical implementation [J].IEEE Trans on Power Delivery,2006,21(2):925-932.
[23]  Bonatto B D,Niimura T,Dommel H W.A fuzzy logic application to represent load sensitivity to voltage sags[C].8th International Conference on Harmonics and Quality of Power,Greece,1998.
[24]  Thasananutari T,Chatratana S.Stochastic prediction of voltage sags in an industrial estate[C].Fourtieth IAS Annual Meeting,Hong Kong,China,2005.
[25]  Myo T A,Milanovic J V.Stochastic prediction of voltage sag by considering probability of the failure of the protection system [J].IEEE Trans on Power Delivery,2006,21(1):322-329.
[26]  董玉革.机械模糊可靠性设计[M].北京:机械工业出版社,2000:29-30,41-42,96,111-117,120-122.
[27]  Bollen M H J.Understanding power quality problems:Voltage sags and interruptions[M].Piscataway:Power Enginerring Press,2000:201-204.
[28]  刘宝碇,彭锦.不确定理论教程[M].北京:清华大学出版社,2005.
[29]  李娟娟.电网电压骤降的分析评估及其抑制措施[D].福州:福州大学,2005.
[30]  University of Washington.IEEE-30 bus test system[EB/OL].1993- 08-20.http://www.Ee.Washington.edu/research/pstca/pf30/pg_tca
[31]  30 bus.htm.
[32]  陈铁敏,杨洪耕.基于改进故障点法的电压凹陷评估[J].电力自动化设备,2008,28(6):66-69.
[33]  Chen Tiemin,Yang Honggeng.Assessment of voltage sag based on improved fault positions method[J].Electric Power Automation Equipment,2008,28(6):66-69(in Chinese).

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