A diagnostic method for distribution networks based on power supply safety standards

被引：0
|
作者：
Junhui Huang
Shaoyun Ge
Jun Han
Hu Li
Xiaomin Zhou
Hong Liu
Bo Wang
Zhengfang Chen
机构：
[1] State Grid Jiangsu Economic Research Institute,
[2] Key Laboratory of Smart Grid of Ministry of Education,undefined
[3] Tianjin University,undefined
[4] State grid Suzhou Power Supply Company,undefined
来源：
Protection and Control of Modern Power Systems | 2016年 / 1卷 / 1期
关键词：
Distribution network; Diagnostic process; N-1 calibration analysis; Power supply security;
D O I：
10.1186/s41601-016-0020-2
中图分类号：
学科分类号：
摘要：
In order to overcome the shortages of diagnostic method for distribution networks considering the reliability assessment, this paper proposed a method based on power supply safety standards. It profoundly analyzed the security standard of supply for urban power networks, and established quantitative indicators of load groups based on different fault conditions. Then a method suitable for diagnostic evaluation of urban distribution networks in China was given. In the method, “N-1” calibration analysis of the distribution network was conducted. Then the results are compared with quantitative indicators of load groups on different conditions deriving the diagnostic conclusions and the standard revision is discussed. The feasibility and accuracy of the method is finally verified in the case study.
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