谐波约束下的主动配电网分布式电源准入容量与接入方式

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谐波约束下的主动配电网分布式电源准入容量与接入方式

更新时间：2025-08-13

- 谐波约束下的主动配电网分布式电源准入容量与接入方式
- Automation of Electric Power Systems Vol. 38, Issue 24, Pages: 108-113(2014)
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- Published：2014
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[J]. Automation of electric power systems, 2014, 38(24): 108-113.
DOI：

[J]. Automation of electric power systems, 2014, 38(24): 108-113. DOI：

摘要

从理论上分析了单台分布式电源的谐波发射机理;给出以谐波发射限值为约束的接入容量极限，并基于矢量求和理论，对多台分布式电源接入连接点处的准入容量进行修正。针对反映主动配电网点、线、面三种典型消纳模式，采用渗透率、分散度和分布度等三个维度指标描述分布式电源在主动配电网中的接入状态，通过算例考察了配电网多点接入分布式电源的谐波规律。研究表明，主动配电网谐波分布与三维指标密切相关，应在配电网规划及运行阶段充分考虑谐波问题，采取相应手段预防和治理主动配电网谐波

Abstract

This paper firstly analyzes the harmonic emission characteristics of a single distributed generation (DG) device and calculates the maximum capacity of DG under harmonic emission constraint. Based on the vector summation theory

the maximum capacity of multiple DGs accessed to a common point is also calculated. Finally

a case study is carried out to analyze the harmonic characterization in the active distribution network with multiple points of common coupling. A case study is designed for three classic power accommodating modes: point accommodating

feeder accommodating and area accommodating. Three-dimensional parameters including penetration

distribution and dispersion are defined to describe the status of DGs accessed to the active distribution network. According to the study

a conclusion can be drawn that the harmonics in the active distribution network is closely related to the three-dimensional parameters. Full consideration should be given to prevent and solve the harmonic problem during the planning and operation stage of the active distribution network.

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