Research on Dynamic Reactive Power Compensation of Unsymmetry Load

LIU Jun-feng; TONG Xiang-qian; CHEN Gui-liang

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Research on Dynamic Reactive Power Compensation of Unsymmetry Load

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- Research on Dynamic Reactive Power Compensation of Unsymmetry Load
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Issue 1, Pages: 14-17(2005)
- 作者机构：
  
  1. 西安理工大学自动化学院
  2. 西安理工大学自动化学院西安710048
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM714
- Published：2005，
- 稿件说明：
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[1]刘俊丰,同向前,陈贵亮.不对称负荷动态无功补偿方法的研究[J].电力电容器,2005,{4}(01):14-17.

LIU JUN-FENG, TONG XIANG-QIAN, CHEN GUI-LIANG. Research on Dynamic Reactive Power Compensation of Unsymmetry Load. [J]. Power capacitor & reactive power compensation, 2005, (1): 14-17.
[1]刘俊丰,同向前,陈贵亮.不对称负荷动态无功补偿方法的研究[J].电力电容器,2005,{4}(01):14-17. DOI：

LIU JUN-FENG, TONG XIANG-QIAN, CHEN GUI-LIANG. Research on Dynamic Reactive Power Compensation of Unsymmetry Load. [J]. Power capacitor & reactive power compensation, 2005, (1): 14-17. DOI：

摘要

针对补偿三相不对称负荷的SVC装置

提出了一种以瞬时无功功率表示补偿电纳的新型控制算法。在瞬时无功功率的求取中采用Hilbert数字滤波器来实现 90°相移

在控制算法中引入功率平衡法的思想可以控制补偿后的不对称度和功率因数。通过仿真验证了这种SVC控制方案的正确性和可行性。

Abstract

For the SVC intended to compensate the unsymmetry load

a new algorithm for obtaining the compensating admittance with the transient reactive power is presented in this paper. Hilbert filter is used to get a pair of orthogonal signals required in the calculation of transient reactive power. Moreover

the power balancing method is introduced into the control scheme to enable to control the power factor and unsymmetry degree after compensating. The correctness and feasibility of the proposed scheme are verified by simulation.

关键词

三相不对称瞬时无功功率Hilbert滤波器

Keywords

Unsymmetry in three phasetransient reactive powerHilbert filter

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