Synthesis Load Modeling of Power System Considering Distribution Network Structure

Xing QU; Xinran LI

doi:10.7500/AEPS20190812005

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Synthesis Load Modeling of Power System Considering Distribution Network Structure

Basic Research | 更新时间：2025-06-16

- Synthesis Load Modeling of Power System Considering Distribution Network Structure
- Automation of Electric Power Systems Vol. 44, Issue 12, Pages: 117-123(2020)
- 作者机构：
  
  1. 南华大学电气工程学院，湖南省衡阳市 421001
  2. 湖南大学电气与信息工程学院，湖南省长沙市 410082
- 作者简介：
- 基金信息：
- DOI：10.7500/AEPS20190812005
  CLC：
- Received：12 August 2019，
  
  Revised：2020-02-24，
  
  Published Online：20 April 2020，
  
  Published：25 June 2020
- 稿件说明：
移动端阅览
屈星,李欣然.考虑配电网结构的电力系统综合负荷建模[J].电力系统自动化,2020,44(12):117-123.

QU Xing,LI Xinran.Synthesis Load Modeling of Power System Considering Distribution Network Structure[J].Automation of Electric Power Systems,2020,44(12):117-123.
屈星,李欣然.考虑配电网结构的电力系统综合负荷建模[J].电力系统自动化,2020,44(12):117-123. DOI： 10.7500/AEPS20190812005.

QU Xing,LI Xinran.Synthesis Load Modeling of Power System Considering Distribution Network Structure[J].Automation of Electric Power Systems,2020,44(12):117-123. DOI： 10.7500/AEPS20190812005.

摘要

电力系统综合负荷模型结构是负荷建模领域中最为基础和关键的问题之一。在电力系统仿真计算中，负荷模型直接与变电站高压母线连接，而负荷一般通过高压配电网接入电网，这在现有的综合负荷模型未能体现。文中提出了一种适用于负荷建模的高压配电网建模方法，基于不复杂化综合负荷模型，将高压配电网等效模型集成至负荷模型中，从而构建了一种考虑配电网结构的综合负荷模型。通过仿真分析可知，所提综合负荷模型在模型描述能力、电压适应范围等方面相较于已有的综合负荷模型有显著的提高，其2种结构形式在模型综合性能方面相近，在参数稳定性和维持负荷电压稳定方面差异不显著。

Abstract

The structure of synthesis load model for power system is one of the most basic and key issues in the field of load modeling. In simulation calculations of power system

the load model is directly connected to the high-voltage bus of substation. However

the loads are actually connected to power gird through the high-voltage distribution network

and the existing synthesis load modeling doesn’t reflect this condition. In this paper

a load modeling method suitable for high-voltage distribution network is proposed. To avoid extra complexity， the equivalent model of high-voltage distribution network is integrated into the load model

and therefore an synthesis load model considering the distribution network structure is developed. The simulation analysis shows that the proposed synthesis load model has a significant improvement in model description ability

adaptation ranges of voltage and other aspects compared with the existing synthesis load models. The two structures are similar in the comprehensive performances

but have slight differences in the parameter stability and the maintenance of load bus voltage.

关键词

Keywords

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