全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于灰色关联诊断模型的电力变压器绝缘老化研究

DOI: 10.13336/j.1003-6520.hve.2015.10.015, PP. 3296-3301

Keywords: 油纸绝缘,回复电压,灰色系统,灰色关联,绝缘状态诊断,状态向量

Full-Text   Cite this paper   Add to My Lib

Abstract:

回复电压法(RVM)是一种研究电力变压器绝缘老化状态的非破坏性检测方法。为充分发挥回复电压法在油纸绝缘诊断的优点,提出采用灰色关联诊断模型评估电力变压器绝缘老化状况。首先,利用回复电压法提取能够有效地诊断电力变压器绝缘老化受潮状况的特征量;其次,利用大量变压器试验数据建立标准状态向量表;最后,采用灰色关联诊断模型对待诊变压器绝缘老化、受潮情况进行评估。依据待诊变压器与标准状态的灰色关联度,诊断出待诊变压器的绝缘状态,评估结果表明诊断结果与待诊变压器实际绝缘状态相符。

References

[1]  Birlasekaran S, Yu X Z. Relaxation studies on power equipment[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2003, 10(6): 1061-1077.
[2]  汤明杰,雷 敏,白 帆,等. 采用向量匹配法的油纸绝缘系统扩展Debye模型参数识别[J]. 高电压技术,2014,40(2):548-556. TANG Mingjie, LEI Min, BAI Fan, et al. Parameter identification based on vector fitting method for extended Debye model of oil-paper insulation system[J]. High Voltage Engineering, 2014, 40(2): 548-556.
[3]  Xu S Z, Rick M, Fred F, et al. A comparison of return voltage measurement and frequency domain spectroscopy test on high voltage insulation[C]∥Proceedings of the 7 th International Conference on Properties and Applications of Dielectric Materials. Nagaya, Australia: [s.n.], 2003: 351-355.
[4]  张 涛,蔡金锭. 油纸绝缘变压器介质响应电路参数辨识的研究[J]. 电工电能新技术,2010,29(4):35-39. ZHANG Tao, CAI Jinding. Research on parameters identification for dielectric response equivalent circuit of transformers with oil-paper insulation[J]. Advanced Technology of Electrical Engineering and Energy, 2010, 29(4): 35-39.
[5]  郑海平,孙才新,李 俭,等. 诊断电力变压器故障的一种灰色关联度分析模式及方法[J]. 中国电机工程学报,2001,21(10):106-109. ZHENG Haiping, SUN Caixin, LI Jian, et al . A model and method of degree incidence analysis on transformer fault diagnosis[J]. Proceedings of the CSEE, 2001, 21(10): 106-109.
[6]  李 硕,赵 峰. 基于熵权优化加权灰色关联度的变压器故障诊断方法[J]. 变压器,2013,37(1):136-142. LI Shuo, ZHAO Feng. Transformer fault diagnasis method based on weighted degree of grey incidence of optimized entropy[J]. Transformer, 2013, 37(1): 136-142.
[7]  刘思峰. 灰色系统理论及其应用[M]. 北京:科学出版社,2008:22-65. LIU Sifeng. Grey system theory and its applications[M]. Beijing, China: Science Press, 2008: 22-65.
[8]  廖瑞金,孙会刚,袁 泉,等. 采用回复电压法分析油纸绝缘老化特征量[J]. 高电压技术,2011,37(1):136-142. LIAO Ruijin, SUN Huigang, YUAN Quan, et al . Analysis of oil-paper insulation aging characteristics using recovery voltage method[J]. High Voltage Engineering, 2011, 37(1): 136-142.
[9]  熊维兵,蔡金锭. 油纸绝缘系统等效电路参数的计算及应用[J]. 福州大学学报:自然科学报,2013,41(2):186-191. XIONG Weibing,CAI Jinding. The calculation and application of oil-paper insulation system equivalent circuit parameters[J]. Journal of Fuzhou University: Natural Science Edition, 2013, 41(2): 186-191.
[10]  Saha T K, Purkait P, Müller F. An attempt to correlate time & frequency domain polarization measurements for the insulation diagnosis of power transformer[C]∥IEEE Power Engineering Society General Meeting. [S.l.]: IEEE, 2004: 1793-1798.
[11]  栗 然,刘会兰,卢 云,等. 基于交叉熵理论的配电变压器寿命组合预测方法[J]. 电力系统保护与控制,2014,42(2):97-103. LI Ran, LIU Huilan, LU Yun, et al . A combination method for distribution transformer life prediction based on cros-s entropy theory[J]. Power System Protection and Control, 2014, 42(2): 97-103.
[12]  邓 鹏. 变压器绝缘故障预测诊断的方法[J]. 四川电力技术,2006,29(4):4-6. DENG Peng. Prediction and diagnosis method for insulation failure of transformer[J]. Sichuan Electric Power Technology, 2006, 29(4): 4-6.
[13]  李 俭,孙才新,廖瑞金,等. 以模糊聚类标准谱与灰色关联序诊断变压器内部故障的方法研究[J]. 仪器仪表学报,2004,25(5):587-589. LI Jian, SUN Caixin, LIAO Ruijin, et al . Study on analysis method about fault diagnosis of transformer and degree of grey based on fuzzy clustering[J]. Chinese Journal of Scientific Instrument, 2004, 25(5): 587-589.
[14]  孙鹏霄. 灰色关联方法的分析与应用[J]. 数学的实践与认识,2014,44(1):97-101. SUN Pengxiao. Analysis and application of gray correlation method[J]. Mathematics in Practice and Theory, 2014, 44(1): 97-101.
[15]  鲁思光,李 硕. 基于改进加权灰关联度的变压器故障诊断[J]. 高压电器,2014,50(7):83-87. LU Siguang, LI Shuo. Faulty diagnosis for power transformer based on weighted degree of improved grey incidence[J]. High Voltage Apparatus, 2014, 50(7): 83-87.
[16]  杨丽君,齐超亮,邓帮飞,等. 采用修正Cole-Cole模型提取油纸绝缘频域介电谱的特征参量方法[J]. 高电压技术,2013,39(2):310-317. YANG Lijun, QI Chaoliang, DENG Bangfei, et al . Application of modified Cole-Cole model to extract characteristics of frequency dielectric spectroscopy of oil-paper insulation[J]. High Voltage Engineering, 2013, 39(2): 310-317.
[17]  王 林,周利军,李先浪,等. 应用极化/去极化电流法分析油纸绝缘微水扩散暂态过程[J]. 高电压技术,2013,39(2):354-359. WANG Lin, ZHOU Lijun, LI Xianlang, et al . Analysis of transient moisture diffusion in oil-paper insulation using polarization and depolarization current method[J]. High Voltage Engineering, 2013, 39(2): 354-359.
[18]  Mitchinson P M, Lewin P L, Chen G C, et al . An experiment for evaluating the scale effect of moisture on high woltage transformer insulation[C]∥Conference Record of the 2006 IEEE International Symposium on Electrical Insulation. [S.l.]: IEEE, 2006: 218-221.
[19]  王财胜,周志芳,陈金法. 电力变压器油纸绝缘总体状态现场检测的新方法[J]. 高电压技术,2000,26(3):72-73. WANG Caisheng, ZHOU Zhifang, CHEN Jinfa. A new method for field detection of general status of oil-paper insulation system in power transformer[J]. High Voltage Engineering, 2000, 26(3): 72-73.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133