Study on Voltage Characteristics Evaluation of Medium Voltage Distribution Network Considering Voltage Probability Distribution and Fluctuation

OUYANG Sen; MA Shaohua; SU Weijian

doi:10.14044/j.1674-1757.pcrpc.2018.02.020

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Study on Voltage Characteristics Evaluation of Medium Voltage Distribution Network Considering Voltage Probability Distribution and Fluctuation

更新时间：2024-09-14

- Study on Voltage Characteristics Evaluation of Medium Voltage Distribution Network Considering Voltage Probability Distribution and Fluctuation
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 2, Pages: 104-109(2018)
- 作者机构：
  
  华南理工大学广东电力学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.02.020
  CLC： TM711
- Published：2018，
- 稿件说明：
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[1]欧阳森,马少华,苏为健.考虑电压概率分布与波动的中压配网电压特性评估研究[J].电力电容器与无功补偿,2018,39(02):104-109.

OUYANG SEN, MA SHAOHUA, SU WEIJIAN. Study on Voltage Characteristics Evaluation of Medium Voltage Distribution Network Considering Voltage Probability Distribution and Fluctuation. [J]. Power capacitor & reactive power compensation, 2018, 39(2): 104-109.
[1]欧阳森,马少华,苏为健.考虑电压概率分布与波动的中压配网电压特性评估研究[J].电力电容器与无功补偿,2018,39(02):104-109. DOI： 10.14044/j.1674-1757.pcrpc.2018.02.020.

OUYANG SEN, MA SHAOHUA, SU WEIJIAN. Study on Voltage Characteristics Evaluation of Medium Voltage Distribution Network Considering Voltage Probability Distribution and Fluctuation. [J]. Power capacitor & reactive power compensation, 2018, 39(2): 104-109. DOI： 10.14044/j.1674-1757.pcrpc.2018.02.020.

摘要

针对目前中压配网仅以电压合格率作为电压质量评价考核指标而导致有失客观性的问题

本文提出一种考虑电压概率分布特性与时域波动特性的中压配网电压特性评估方法。首先

应用概率统计方法设计衡量电压概率分布特性的电压曲线偏差指标

以及反映电压时域波动特性的电压曲线波指标;其次

设计基于理想解法的中压配网电压特性评估模型

该模型采用序关系法和熵权法相结合的组合赋权法来确定各评估指标权重

可实现兼顾传统的电压合格率、电压概率分布特性和时域波动特性的电压特性综合评估。实例表明

该评估方法实用有效

适用于指导中压配网电压特性评估和筛选工作。

Abstract

In view of the current situation that voltage qualification rate is the only voltage quality assessment index of medium voltage distribution network

this paper proposes a voltage characteristics evaluation method of medium voltage distribution network considering voltage distribution characteristics and time domain fluctuation characteristics. First

voltage curve deviation index and voltage curve fluctuation index are designed based on probability statistic method. Then

voltage characteristics evaluation model is designed based on TOPSIS

which adopts the combination weighting method of order relations method and entropy value method to determine the combined weight of each index. Finally

the effectiveness of the proposed method is verified by a case study.

关键词

中压配网电压特性概率分布特性时域波动特性理想解法

Keywords

medium voltage distribution networkvoltage characteristicsprobability distribution characteristicstime domain fluctuation characteristicsTOPSIS

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