EN基于故障性质识别参与的有源配电网故障快速恢复策略
Identify the Participating Active Distribution Network Fault Recovery Strategy Based on the Nature of the Fault
- 中国电力 2025年58卷第11期 页码：175-185
- 作者机构：
1. 国网安徽省电力有限公司,安徽,合肥,230022
2. 国网淮南供电公司,安徽,淮南,232007
3. 许继电气股份有限公司,河南,许昌,461000
- 作者简介：
- 基金信息：国家电网有限公司科技项目（5212F0240002）。
DOI：10.11930/j.issn.1004-9649.202503051
中图分类号：-
网络出版：2025-12-01，
纸质出版：2025-12-01
- 稿件说明：
移动端阅览
叶远波, 王吉文, 邵庆祝, 平夏, 许明, 李文正. 基于故障性质识别参与的有源配电网故障快速恢复策略[J]. 中国电力, 2025, 58(11): 175-185.
YE Yuanbo, WANG Jiwen, SHAO Qingzhu, et al. Identify the Participating Active Distribution Network Fault Recovery Strategy Based on the Nature of the Fault[J]. 2025, 58(11): 175-185.
叶远波, 王吉文, 邵庆祝, 平夏, 许明, 李文正. 基于故障性质识别参与的有源配电网故障快速恢复策略[J]. 中国电力, 2025, 58(11): 175-185. DOI： 10.11930/j.issn.1004-9649.202503051.
YE Yuanbo, WANG Jiwen, SHAO Qingzhu, et al. Identify the Participating Active Distribution Network Fault Recovery Strategy Based on the Nature of the Fault[J]. 2025, 58(11): 175-185. DOI： 10.11930/j.issn.1004-9649.202503051.
摘要
高比例新能源接入给配电网运行方式带来了较大影响，同时也对配电网故障恢复策略提出了更高要求。传统重合闸装置无法对故障性质进行有效判别，可能导致电力系统在重合闸操作时承受不必要的二次故障冲击。提出自适应重合闸，并让自适应重合闸参与有源配电网故障快速恢复策略。首先，分析断路器跳闸后下游孤岛的故障特性，构造了故障性质识别的两种判据；其次，分析故障检测时间、重合闸时间二者的时序配合问题，提出适用于高比例新能源接入的配电网故障恢复策略；最后，通过仿真算例验证了所提方法的有效性，所提方法可以在保证分布式电源不脱网的前提下加快系统供电恢复。
Abstract
The high proportion of new energy access brings a large impact on the operation mode of the distribution network
and also puts forward higher requirements for the fault strategy of the distribution network. The traditional reclosing device can not effectively judge the nature of the fault
which may cause the power system to suffer unnecessary secondary fault impact during the re operation. The adaptive reclosing is proposed
and the adaptive reclosing is involved in the fault rapid recovery strategy of the active distribution network. Firstly
the fault characteristics of the island after the circuit breaker tripping are analyzed
and the two criteria of fault nature identification are constructed; secondly
the time sequence coordination problem of fault detection time and re time is analyzed
and the distribution network fault recovery strategy applicable to the high proportion of new energy access is proposed; finally
the effectiveness of the proposed method is verified by simulation examples and the proposed method can speed up the system power supply recovery under the premise of ensuring that the distributed power supply does not fall off the network.
关键词
Keywords
references
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