Research on the Effect of IIDG on Local Feeder Protection

Jingsong DENG; Yingmin WANG; Difei SUN; Chenling ZHENG; Hanting YAN; Xiaojing GAO

doi:10.12096/j.2096-4528.pgt.19001

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Research on the Effect of IIDG on Local Feeder Protection

Power System Planning | 更新时间：2025-07-04

- Research on the Effect of IIDG on Local Feeder Protection
- Power Generation Technology Vol. 42, Issue 1, Pages: 115-121(2021)
- 作者机构：
  
  1.广东电网有限责任公司惠州供电局, 广东省惠州市 516003
  2.广州市奔流电力科技有限公司, 广东省广州市 510640
- 作者简介：
- 基金信息：
  
  Science and Technology Program of Guangdong Power Grid Corporation(031300KK52160020)
- DOI：10.12096/j.2096-4528.pgt.19001
  CLC： TK01;TM726
- Received：10 January 2020，
  
  Published：28 February 2021
- 稿件说明：
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Jingsong DENG, Yingmin WANG, Difei SUN, et al. Research on the Effect of IIDG on Local Feeder Protection[J]. Power Generation Technology, 2021, 42(1): 115-121.
DOI：

Jingsong DENG, Yingmin WANG, Difei SUN, et al. Research on the Effect of IIDG on Local Feeder Protection[J]. Power Generation Technology, 2021, 42(1): 115-121. DOI： 10.12096/j.2096-4528.pgt.19001.

摘要

逆变型分布式电源（inverter interfaced distriuted generation，IIDG）因在经济效益和环境效益上的突出表现，在配电网中得到广泛应用。IIDG的接入使得配电网变成一个多电源供电的复杂网络，潮流的双向流动可能导致基于单向潮流设计的馈线自动化性能下降，无法及时隔离故障、恢复供电。针对目前应用在架空线路上的2种典型馈线自动化实现模式：电压时间型馈线自动化和电流级差型馈线自动化，分别论述其工作原理，再结合IIDG的工作方式，详细分析了IIDG接入对在各馈线自动化模式下实现故障隔离以及非故障区域供电动作逻辑的影响，提出减小IIDG影响的解决方案，最后对其进行仿真验证。

Abstract

Because of its outstanding performance in economic benefit and environmental benefit

the inverter interfaced distributed generation (IIDG) has been widely used in distribution network. The access of IIDG makes the distribution network a complex network of multi-power supply

the bidirectional power flow may lead to the degradation of feeder automation performance based on undirectional power flow

and it is imposssible to isolate faults in time. Aiming at two typical application on overhead lines feeder automation implementation pattern: voltage time type feeder automation and current differential type feeder automation

discussed its working principle

considering the working principle of IIDG

the influence of IIDG's penetration on fault isolation and non-faulty area recovery in each feeder automation mode was analyzed in detail. The solution to reduce the impact of IIDG was proposed and the simulation was verified.

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