Detection and Identification of Transient Power Quality Disturbance of Wind Power Grid-connection

HE Liu; SU Shiping; LUO Xuelian; TANG Moyi; CHEN Zhiqiang; FENG Qian; OUYANG Mengmeng

doi:10.14044/j.1674-1757.pcrpc.2020.01.035

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Detection and Identification of Transient Power Quality Disturbance of Wind Power Grid-connection

更新时间：2024-09-14

- Detection and Identification of Transient Power Quality Disturbance of Wind Power Grid-connection
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 1, Pages: 221-226(2020)
- 作者机构：
  
  1. 长沙理工大学电气与信息工程学院
  2. 国网湖南省电力公司邵阳供电分公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.01.035
  CLC： TM711
- Published：2020，
- 稿件说明：
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[1]何柳,粟时平,罗雪莲,唐谟懿,陈志强,冯骞,欧阳盟盟.风电并网暂态电能质量扰动的检测与识别[J].电力电容器与无功补偿,2020,41(01):221-226.

HE LIU, SU SHIPING, LUO XUELIAN, et al. Detection and Identification of Transient Power Quality Disturbance of Wind Power Grid-connection. [J]. Power capacitor & reactive power compensation, 2020, 41(1): 221-226.
[1]何柳,粟时平,罗雪莲,唐谟懿,陈志强,冯骞,欧阳盟盟.风电并网暂态电能质量扰动的检测与识别[J].电力电容器与无功补偿,2020,41(01):221-226. DOI： 10.14044/j.1674-1757.pcrpc.2020.01.035.

HE LIU, SU SHIPING, LUO XUELIAN, et al. Detection and Identification of Transient Power Quality Disturbance of Wind Power Grid-connection. [J]. Power capacitor & reactive power compensation, 2020, 41(1): 221-226. DOI： 10.14044/j.1674-1757.pcrpc.2020.01.035.

摘要

风能的随机性、间歇性和波动性等特性使得电力系统的电能质量在风电并网运行时受到了十分复杂的影响

因此针对风电并网运行中的暂态电能质量问题

文中提出了一种基于db4小波变换和有效值法的新方法对暂态电能质量扰动进行检测与识别

并通过详尽的理论分析和Matlab仿真对该方法进行了验证。研究结果表明该方法能有效地完成对暂态电能质量扰动的检测与识别

为检测与识别电力系统在风电并网运行时的暂态电能质量扰动提供了一种切实可行的新方法。

Abstract

Such features as randomness

intermittent and volatility of wind energy make the power quality of power systems very complicated when wind power is connected to the grid.Therefore

in view of the transient power quality problem in the operation of wind power grid-connection in this paper

a kind of a new method based on db4 wavelet transform and RMS method is proposed to detect and identify transient power quality disturbance and is verified by detailed theoretical analysis and Matlab simulation.It is shown by the study result that the method can effectively detect and identify transient power quality disturbances and provide a practical and feasible method for detecting and identifying transient power quality disturbances of power systems during grid-connected operation.

关键词

暂态电能质量扰动小波变换检测与识别

Keywords

transient power quality disturbancewavelet transformdetection and identification

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