The Reactive Power and Negative Sequence Compensation Algorithm of SVC Based on Instantaneous Value

FAN Rui-xiang; ZHOU La-wu; XIAO Hong-xia

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The Reactive Power and Negative Sequence Compensation Algorithm of SVC Based on Instantaneous Value

更新时间：2025-04-26

- The Reactive Power and Negative Sequence Compensation Algorithm of SVC Based on Instantaneous Value
- High VoltageApparatus Issue 4, Pages: 247-249+252(2004)
- 作者机构：
  
  1. 湖南大学电气与信息工程学院
  2. 湖南大学电气与信息工程学院湖南长沙410082
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM714.3
- Published：2004
- 稿件说明：
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[1]范瑞祥,周腊吾,肖红霞.基于瞬时值的SVC无功及负序补偿算法[J].高压电器,2004(04):247-249+252.

FAN Rui-xiang, ZHOU La-wu, XIAO Hong-xia. The Reactive Power and Negative Sequence Compensation Algorithm of SVC Based on Instantaneous Value[J]. High voltageapparatus, 2004, (4): 247-249+252.
[1]范瑞祥,周腊吾,肖红霞.基于瞬时值的SVC无功及负序补偿算法[J].高压电器,2004(04):247-249+252. DOI：

FAN Rui-xiang, ZHOU La-wu, XIAO Hong-xia. The Reactive Power and Negative Sequence Compensation Algorithm of SVC Based on Instantaneous Value[J]. High voltageapparatus, 2004, (4): 247-249+252. DOI：

摘要

无功补偿的难点在于如何补偿三相不平衡以及如何有效地滤除低次谐波

尤其是2次谐波。笔者提出了一种基于瞬时值的SVC无功及负序补偿算法

将补偿网络分为正序和负序

分别用于校正功率因数和补偿三相不平衡。不同于传统的利用向量进行推导的方法

该算法利用瞬时值计算补偿电抗

并给出了对比仿真波形图

与向量计算的方法比较

证明该算法比较简单和方便。

Abstract

How to deal with three-phase unbalance compensation and how to filter the low-order harmonics

especially the2nd-order

are the two difficulties for reactive power compensation.A new algorithm is presented based on instantaneous valve in this paper.The positive sequence compensation network is used for power factor compensation and the negative one is for unbalance compensation.Different from the traditional vector method

this algorithm uses instantaneous value to compute the compensation reactance.The proposed method is verified by the analysis of the simulation waveform.Compared with other methods

the presented one is more simple and convenient.

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College of Electrical and Information Engineering,Tongji University

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