Heuristic Islanding Search Algorithm for Distribution Network Considering Asymmetric Compensation

GU Quan; LI Jun; HE Hua; CHU Lingjie; SUN Ning

doi:10.14044/j.1674-1757.pcrpc.2017.05.030

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Heuristic Islanding Search Algorithm for Distribution Network Considering Asymmetric Compensation

更新时间：2024-09-14

- Heuristic Islanding Search Algorithm for Distribution Network Considering Asymmetric Compensation
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 5, Pages: 159-164(2017)
- 作者机构：
  
  1. 南瑞继保电气有限责任公司
  2. 南京工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.05.030
  CLC： TM714.3
- Published：2017，
- 稿件说明：
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[1]顾全,李军,何桦,褚铃杰,孙宁.计及不对称补偿的配电网启发式孤岛划分搜索算法[J].电力电容器与无功补偿,2017,38(05):159-164.

GU QUAN, LI JUN, HE HUA, et al. Heuristic Islanding Search Algorithm for Distribution Network Considering Asymmetric Compensation. [J]. Power capacitor & reactive power compensation, 2017, 38(5): 159-164.
[1]顾全,李军,何桦,褚铃杰,孙宁.计及不对称补偿的配电网启发式孤岛划分搜索算法[J].电力电容器与无功补偿,2017,38(05):159-164. DOI： 10.14044/j.1674-1757.pcrpc.2017.05.030.

GU QUAN, LI JUN, HE HUA, et al. Heuristic Islanding Search Algorithm for Distribution Network Considering Asymmetric Compensation. [J]. Power capacitor & reactive power compensation, 2017, 38(5): 159-164. DOI： 10.14044/j.1674-1757.pcrpc.2017.05.030.

摘要

基于配电网中多点测控信息分布

本文构建了以负荷节点为核心的负荷单元和以电源为核心的源点单元

开展了单元融合的孤岛动态划分算法。提出了基于潮流解的电压稳定裕度指标排序为节点单元融合提供了融合导向

最终形成合理的孤岛划分区域。并通过IEEE-33节点系统中利用简单故障和复合故障的设定证明了孤岛划分方案的可行性。并从服务工程实际角度出发

进行了配电网不平衡潮流校验

根据具体情况提出了利用光伏电源分散布置、分相投切的方式完成了不平衡功率的补偿

该方案能够为配电网故障后的孤岛运行提供工程指导。

Abstract

Based on the information points located in the distribution network

the load zone units aroundthe certain load bus and the source zone units around the distribution generator（DG）are defined. Andthen the regions merging algorithm is programmed according to the sequence of voltage stability marginindex of load buses

in which the index can conduct the priority trend of the merging operation of loadunits. Finally

the island partition zones will be product with the better voltage stability. The IEEE-33 bus system with single fault and multi-faults is used as the benchmark and the results of island partitionzones confirm the feasibility and the validity of the above method. After that

from the engineering view

the unbalanced load flow calculations are carried out. According the above calculation results

the splitphase compensation and distribution location measures by means of installation of single phase PV panelsare implemented

and then the voltage magnitude and the three-phase voltage unbalance factor can bepulled to the reasonable range. So the island partition scheme is valuable for the practical grid operators.

关键词

主动配电网电压稳定裕度单元融合法孤岛划分不平衡补偿

Keywords

active distribution networkvoltage stability marginregions merging algorithmisland partitionunbalance compensation

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