Study on the Integrated Low Voltage Control Device and Its Decoupling Control

LIANG Haitao; DANG Kai; WANG Yifei; ZHENG Changlin; FAN Weiqiang

doi:10.14044/j.1674-1757.pcrpc.2020.03.025

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Study on the Integrated Low Voltage Control Device and Its Decoupling Control

更新时间：2024-09-14

- Study on the Integrated Low Voltage Control Device and Its Decoupling Control
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 3, Pages: 156-162(2020)
- 作者机构：
  
  1. 国家电网公司吴忠供电公司
  2. 西安高压电器研究院有限责任公司
  3. 3. 西安飞同电器有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.03.025
  CLC： TM46
- Published：2020，
- 稿件说明：
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[1]梁海涛,党凯,王弋飞,郑昌霖,范伟强.综合低电压治理装置及其解耦控制研究[J].电力电容器与无功补偿,2020,41(03):156-162.

LIANG HAITAO, DANG KAI, WANG YIFEI, et al. Study on the Integrated Low Voltage Control Device and Its Decoupling Control. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 156-162.
[1]梁海涛,党凯,王弋飞,郑昌霖,范伟强.综合低电压治理装置及其解耦控制研究[J].电力电容器与无功补偿,2020,41(03):156-162. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.025.

LIANG HAITAO, DANG KAI, WANG YIFEI, et al. Study on the Integrated Low Voltage Control Device and Its Decoupling Control. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 156-162. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.025.

摘要

随着居民用电负荷不断增加

配电网末端由于输电线路过长、线径过小而引起的末端低电压问题日益突出。低电压治理装置是一种不更换输电线路而解决末端低电压问题的电能质量治理装置。本文对综合低电压治理装置中背靠背变换器进行数学模型分析

在dq坐标系下进行功率解耦控制设计

给出了背靠背变流器的数学模型及其解耦控制策略。在Matlab/Simulink环境下进行了系统仿真

验证了所设计的控制策略的正确性

最后通过5 kW实验样机验证了综合低电压治理装置系统的可行性。

Abstract

With ever increasing of residential load

such problem as terminal low voltage is becoming more serious due to excessive long transmission line and small diameter of wire at the terminal end of distribution grid.Low voltage control device is a kind of power quality control equipment which solves low voltage of terminal without replacing transmission line.In this paper

the mathematical model analysis of the back-toback converter for the integrated low voltage control device is conducted

the power decoupling control system in the dq coordinate is designed and the mathematical model and the decoupling control block diagram of the back-to-back converter are given.The system simulation is carried out in Matlab/Simulink environment and the correctness of the designed control strategy is verified.Finally

the feasibility of the low voltage device is verified by the 5 kW experimental prototype.

关键词

配网末端低电压治理背靠背变换器数学模型功率解耦

Keywords

distribution terminallow voltage controlback-to-back convertermathematical modelpower decoupling

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