Evaluation of Power Supply Reliability of Centralized Feeder Automation Distribution Network
[1]CHEN Genyong,GAO Xiangyu,TAN Chao,et al.Evaluation of Power Supply Reliability of Centralized Feeder Automation Distribution Network[J].Journal of Zhengzhou University (Engineering Science),2024,45(01):114-121.[doi:10.13705/j.issn.1671-6833.2023.04.006]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
45
Number of periods:
2024 01
Page number:
114-121
Column:
Public date:
2024-01-19
- Title:
- Evaluation of Power Supply Reliability of Centralized Feeder Automation Distribution Network
- Keywords:
- centralized feeder automation; distribution network; power supply reliability; pre-arranged maintenance; load transfer
- CLC:
- -
- DOI:
- 10.13705/j.issn.1671-6833.2023.04.006
- Abstract:
- There were still some research gaps in reliability evaluation of distribution network considering centralized feeder automation, and most studies only focused on the impact of power failure. Considering the pre-arranged maintenance and capacity constraints, the influence of load transfer, and combined with the type and operation logic of feeder automation, according to the related technical indexes of feeder automation, the load nodes appearing in the process of power restoration were classified in detail. And the calculation formulas of expected power restoration time and power supply reliability indexes of different types of loads were derived. Combined with an example, the average outage duration SAIDI of feeder system was reduced by 0. 95-1. 08 h / ( user·a) with different terminal configurations in the example, which showed that optimized the terminal configuration could effectively improve the power supply reliability of distribution network, which proved the accuracy and practicability of the evaluation method in this study. The influences of different terminal configurations on reliability were compared.
- References:
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Last Update:
2024-01-25