Control Method for Static Reactive Power Compensator Based on Mode Switching

ZHAO Xilin; WU Longlong; FU Bo; MING Hang

doi:10.14044/j.1674-1757.pcrpc.2018.03.009

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Control Method for Static Reactive Power Compensator Based on Mode Switching

更新时间：2024-09-14

- Control Method for Static Reactive Power Compensator Based on Mode Switching
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 3, Pages: 45-51(2018)
- 作者机构：
  
  湖北工业大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.03.009
  CLC： TM761.12
- Published：2018，
- 稿件说明：
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[1]赵熙临,吴胧胧,付波,明航.一种基于模式切换的静止无功补偿控制方法[J].电力电容器与无功补偿,2018,39(03):45-51+57.

ZHAO XILIN, WU LONGLONG, FU BO, et al. Control Method for Static Reactive Power Compensator Based on Mode Switching. [J]. Power capacitor & reactive power compensation, 2018, 39(3): 45-51.
[1]赵熙临,吴胧胧,付波,明航.一种基于模式切换的静止无功补偿控制方法[J].电力电容器与无功补偿,2018,39(03):45-51+57. DOI： 10.14044/j.1674-1757.pcrpc.2018.03.009.

ZHAO XILIN, WU LONGLONG, FU BO, et al. Control Method for Static Reactive Power Compensator Based on Mode Switching. [J]. Power capacitor & reactive power compensation, 2018, 39(3): 45-51. DOI： 10.14044/j.1674-1757.pcrpc.2018.03.009.

摘要

针对电网负载不平衡状态下功率因数的补偿问题

提出了一种基于模式切换的非线性PI无功补偿控制方法。首先

在电网无功补偿控制系统框架下

根据静止型无功补偿器的非线性特性

对非线性PI控制器的特征及实现方式进行了分析;其次

考虑在涉及负荷平衡与否状态下

系统需提供与之适应的控制器才能获取较好控制效果的需求

在负荷状态变化时进行控制器的切换

并进行了模式切换条件设计;在此基础上

分别以常规PI、传统非线性PI及基于模式切换的非线性PI为控制方式

进行电网无功补偿控制的比较与分析。仿真结果验证了所提控制方法的有效性。

Abstract

As for the issue of power factor compensation under unbalance load of power grid

a kind of nonlinear PI reactive power compensation control method based on mode switching is proposed.Firstly

under the frame of reactive power compensation control system of the grid and in accordance with the nonlinear characteristics of static reactive power compensator

both feature and achievement method of the nonlinear PI controller is analyzed.Then

in view of the load balancing or not

the system needs applicable controller so to obtain better control effect.The controller is switched over variation of load condition

the design for the mode switch over is performed.On this basis

the comparison and analysis of reactive power compensation control of power grid is performed with conventional PI

traditional nonlinear PI and nonlinear PI based on mode switching as control method.And the effectiveness of the control method proposed is verified by the simulation result.

关键词

无功补偿模式切换非线性PI控制

Keywords

reactive power compensationmode switchingnonlinear PIcontrol

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