基于压缩感知的静止无功补偿器信号降噪

滕飞; 南亚楠; 卢向东

doi:10.14044/j.1674-1757.pcrpc.2019.03.011

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基于压缩感知的静止无功补偿器信号降噪

无功补偿与滤波装置 | 更新时间：2024-09-14

- 基于压缩感知的静止无功补偿器信号降噪
- Signal Noise De-noising of Noise Static Var Compensator Based on Compressed Sensing Method
- 电力电容器与无功补偿 2019年40卷第3期页码：59-63
- 作者机构：
  
  1. 国网天津市电力公司运检部
  2. 国网天津市电力公司滨海供电分公司
  3. 国网天津市电力公司调控中心
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.03.011
  中图分类号： TM761.12
- 纸质出版日期：2019，
- 稿件说明：
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[1]滕飞,南亚楠,卢向东.基于压缩感知的静止无功补偿器信号降噪[J].电力电容器与无功补偿,2019,40(03):59-63.

TENG FEI, NAN YANAN, LU XIANGDONG. Signal Noise De-noising of Noise Static Var Compensator Based on Compressed Sensing Method. [J]. Power capacitor & reactive power compensation, 2019, 40(3): 59-63.
[1]滕飞,南亚楠,卢向东.基于压缩感知的静止无功补偿器信号降噪[J].电力电容器与无功补偿,2019,40(03):59-63. DOI： 10.14044/j.1674-1757.pcrpc.2019.03.011.

TENG FEI, NAN YANAN, LU XIANGDONG. Signal Noise De-noising of Noise Static Var Compensator Based on Compressed Sensing Method. [J]. Power capacitor & reactive power compensation, 2019, 40(3): 59-63. DOI： 10.14044/j.1674-1757.pcrpc.2019.03.011.

摘要

针对静止无功补偿器在工作过程中容易引起噪声的问题

文中提出了一种基于压缩感知的静止无功补偿信号噪声修正算法。压缩感知算法可以提供多个不同的映射字典基的特性

识别静止无功补偿器产生多种噪声信号的分量。通过在变换域进行阈值判断和重新赋值

实现噪声干扰的修正及消除

噪声消除效率是小波软阈值方法的数倍。

Abstract

In view of the noise which is easily caused during operation of the static var compensator

in this paper

a kind of signal correction algorithm of static var compensator based on compressed sensing is proposed. The compression perception algorithm can provide many different features of the mapping dictionary baseand identify the components of a number of noise signals generated by the static var compensator. The correction and elimination of noise interference is achieved by thresholding and reassigning values in the transform domain. The efficiency of noise cancellation is several times that of wavelet soft thresholding.

关键词

静止无功补偿器压缩感知噪声修正

Keywords

static var compensatorcompressed sensingnoise signal correction

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