| 电力变压器运行状态综合评判指标的权重确定 |
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| 引用本文： | 程崯,王宇,余轩,毛志强.电力变压器运行状态综合评判指标的权重确定[J].中国电力,2011,44(4):26-30. |
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| 作者姓名： | 程崯 王宇 余轩 毛志强 |
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| 作者单位： | 1. 四川省电力公司,内江电业局,四川,内江,641000
2. 哈尔滨工业大学电气工程及自动化学院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 作为电力系统枢纽设备的变压器,其运行可靠性与电力系统的安全及稳定紧密相关,及时准确地掌握变压器的工作状态,对于指导变压器检修和评估系统运行风险都具有重要意义。在变压器状态参量分析的基础上,深入研究评价指标权重的确定方法;通过对大量样本数据的分析及对已有成果的总结,运用熵值客观赋权法与改进层次分析主观赋权法(IAHP)相结合的方式得到评价指标的权重值。通过对变压器运行实例的分析,验证权值选取的正确性。
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| 关 键 词： | 变压器 状态评估 指标权重 熵值法 改进层次分析法 |
Study on index weighting methods for transformer condition evaluation |
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| CHENG Yin,WANG Yu,YU Xuan,MAO Zhi-qiang.Study on index weighting methods for transformer condition evaluation[J].Electric Power,2011,44(4):26-30. |
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| Authors: | CHENG Yin WANG Yu YU Xuan MAO Zhi-qiang |
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| Affiliation: | CHENG Yin1,WANG Yu1,YU Xuan1,MAO Zhi-qiang2(1.Neijiang Power Supply Bureau of Sichuan Electric Power Company,Neijiang 641000,China,2.School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | Transformer reliability is pivotal to the power system security and stability.Accurate and real-time data acquisition regarding transformer's operation condition is essential for making the maintenance plan and evaluating the system risk.After analyzing parameters for condition evaluation,a combined weighting method was proposed based on the entropy and improved analytic hierarchy process(IAHP) and it's validated by the field data. |
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| Keywords: | transformer condition evaluation index weight entropy method IAHP |
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