Influence Analysis of Reactive Power Compensation on Voltage Stability and Power Loss of Wind Power System

ZHANG Suokui

doi:10.14044/j.cnki.dldrq.2014.05.005

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Influence Analysis of Reactive Power Compensation on Voltage Stability and Power Loss of Wind Power System

更新时间：2024-09-14

- Influence Analysis of Reactive Power Compensation on Voltage Stability and Power Loss of Wind Power System
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 35, Issue 5, Pages: 21-24(2014)
- 作者机构：
  
  天津物产国际能源发展有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.cnki.dldrq.2014.05.005
  CLC： TM714.3
- Published：2014，
- 稿件说明：
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[1]张锁魁.无功补偿对风电系统电压稳定和功率损耗的影响分析[J].电力电容器与无功补偿,2014,35(05):21-24.

ZHANG SUOKUI. Influence Analysis of Reactive Power Compensation on Voltage Stability and Power Loss of Wind Power System. [J]. Power capacitor & reactive power compensation, 2014, 35(5): 21-24.
[1]张锁魁.无功补偿对风电系统电压稳定和功率损耗的影响分析[J].电力电容器与无功补偿,2014,35(05):21-24. DOI： 10.14044/j.cnki.dldrq.2014.05.005.

ZHANG SUOKUI. Influence Analysis of Reactive Power Compensation on Voltage Stability and Power Loss of Wind Power System. [J]. Power capacitor & reactive power compensation, 2014, 35(5): 21-24. DOI： 10.14044/j.cnki.dldrq.2014.05.005.

摘要

为揭示风电系统注入功率对系统电压稳定性和系统损耗的影响

以及无功补偿的作用

针对以往研究都是定性分析或者并不能表征单位注入对风电系统影响这一缺陷

提出了表征风电有功注入对电压稳定和系统损耗影响的几个指标:单位有功功率损耗ηP、单位无功功率损耗ηQ、单位电压偏移ΔV/P。研究表明:无功补偿能扩展风电注入功率极限

但由于风电场低压线路无功损耗随注入有功的增加而增加

无功补偿远远不能弥补注入功率继续增大所带来的负面作用;在相同的风电注入功率时

无功补偿能有效降低系统损耗和提高电压稳定性

通过算例分析验证了所提指标的有效性。

Abstract

For revealing the influence of input power on systems voltage stability and system loss of wind power and the role of reactive power compensation and also for such drawback as qualitative analysis in the past study and influence of unit injection on wind power system

in this paper several indexes for characterizing influence of active injection of wind power on voltage stability and system loss are introduced: Active power loss ηP

specific reactive power loss ηQand specific voltage offsetΔV/P. It is shown by the study that reactive power compensation can expand injection power limit of wind power

but

due to increase of reactive power loss of low voltage circuit of wind power with the increase of active power

is far from making up the negative effect because of continuous increase of the injection active power;At the same injection power of wind power

the reactive compensation can reduce effectively system loss and improve voltage stability and the effectiveness of the index proposed in this paper is illustrated through calculation analysis.

关键词

风电系统电压稳定无功补偿定量指标系统损耗

Keywords

wind power systemvoltage stabilityreactive power compensationquantitative indexsystem loss

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