Adaptive Reclosing of Distribution Network with Renewable Energy Based on Voltage Rise Time Limit Detection

被引：0
|
作者：
Yang B. [1 ]
Jia K. [1 ]
Li J. [1 ]
Liu Q. [1 ]
Bi T. [1 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 22期
基金：
中国国家自然科学基金;
关键词：
adaptive reclosing; distributed renewable energy source; distribution network; fault; voltage rise;
D O I：
10.7500/AEPS20221020003
中图分类号：
学科分类号：
摘要：
After the circuit breaker trips, downstream distributed renewable energy sources (RESs) may continue to operate with faults, and blind switching of traditional non-inspection reclosing in the distribution network will cause the system to suffer from secondary impacts. This paper proposes an adaptive reclosing method based on voltage rise time limit detection for distribution networks with high proportion of distributed RES. First, based on the analysis of distribution network fault characteristics taking into account RES fault ride-through control after tripping, the segmented mapping relationship between system voltage and RES-load power ratio after tripping is explored. A fault state detection criterion based on voltage difference integration is proposed by utilizing the voltage rise characteristic accompanying fault clearing. Furthermore, the fusion of protection action information and the time limit of RES fault crossing is used to limit the fault detection time, and an adaptive reclosing delay setting scheme is proposed. The simulation results show that the proposed method can reliably detect instantaneous fault clearing with different positions and types, and adaptively adjust the reclosing delay based on the fault status to accelerate the recovery of system power supply. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：66 / 74
页数：8
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