Reactive Power Configuration Method for Suppressing Steady Overvoltage of Distributed Power Distribution Network with Small Hydropower Plants

WANG Wenhua; WEI Bo; ZHU Guangming; ZHEN Wenxi; CHEN Zhitong; CHEN Yuan

doi:10.13296/j.1001-1609.hva.2015.11.016

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Reactive Power Configuration Method for Suppressing Steady Overvoltage of Distributed Power Distribution Network with Small Hydropower Plants

更新时间：2025-04-26

- Reactive Power Configuration Method for Suppressing Steady Overvoltage of Distributed Power Distribution Network with Small Hydropower Plants
- High VoltageApparatus Vol. 51, Issue 11, Pages: 97-102+109(2015)
- 作者机构：
  
  1. 国网兰州供电公司
  2. 国网甘肃电科院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.016
  CLC： TV734
- Published：2015
- 稿件说明：
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[1]王文华,魏博,朱广明,甄文喜,陈志彤,陈渊.抑制分布式小水电配电网稳态过电压的无功配置方法[J].高压电器,2015,51(11):97-102+109.

WANG Wenhua, WEI Bo, ZHU Guangming, et al. Reactive Power Configuration Method for Suppressing Steady Overvoltage of Distributed Power Distribution Network with Small Hydropower Plants[J]. High voltageapparatus, 2015, 51(11): 97-102+109.
[1]王文华,魏博,朱广明,甄文喜,陈志彤,陈渊.抑制分布式小水电配电网稳态过电压的无功配置方法[J].高压电器,2015,51(11):97-102+109. DOI： 10.13296/j.1001-1609.hva.2015.11.016.

WANG Wenhua, WEI Bo, ZHU Guangming, et al. Reactive Power Configuration Method for Suppressing Steady Overvoltage of Distributed Power Distribution Network with Small Hydropower Plants[J]. High voltageapparatus, 2015, 51(11): 97-102+109. DOI： 10.13296/j.1001-1609.hva.2015.11.016.

摘要

详细分析了有分布式小水电接入的配电网在丰水期小方式系统电压偏高问题

建立了分布式小水电丰水季节小方式的配电线路仿真模型

提出了水轮发电机进相运行、加装并联电抗器等改善策略

着重对比了在分布式小水电高低压侧进行无功补偿的效果

并提出了感性无功补偿电抗器安装地点和容量的选择。理论与实际仿真结果表明

在分布式小水电升压变低压侧加装并联电抗器补偿时

电压控制能力显著增强

具有良好的实用价值和可操作性。

Abstract

The overvoltage problem of the power distribution network with small hydropower plants in high water level season is analyzed

and a distribution network simulation model of the small hydropower plant in high water level season is established. Some improvement methods

such as leading-phase operation of generators and installation of shunt reactors

are proposed. The effects of reactive power compensation are compared between the installations of the shunt reactors at respective high-voltage side and low-voltage side of small hydropower transformer. The selection methods of position and capacity of the shunt reactor are suggested. Theoretical and simulation results show that the reactive power and voltage can be well controlled when the shunt reactors are installed at the low-voltage side of transformer.

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