A Novel HVDC-flexible System and Its Simulation

ZHOU Guo-liang; SHI Xin-chun

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A Novel HVDC-flexible System and Its Simulation

更新时间：2025-04-26

- A Novel HVDC-flexible System and Its Simulation
- High VoltageApparatus Issue 2, Pages: 104-106+109(2008)
- 作者机构：
  
  1. 华北电力大学电力系统保护与动态安全监控教育部重点实验室
  2. 华北电力大学电力系统保护与动态安全监控教育部重点实验室河北保定071003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM721.1
- Published：2008
- 稿件说明：
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[1]周国梁,石新春.一种新型拓扑的背靠背柔性直流输电系统及其仿真[J].高压电器,2008(02):104-106+109.

ZHOU Guo-liang, SHI Xin-chun. A Novel HVDC-flexible System and Its Simulation[J]. High voltageapparatus, 2008, (2): 104-106+109.
[1]周国梁,石新春.一种新型拓扑的背靠背柔性直流输电系统及其仿真[J].高压电器,2008(02):104-106+109. DOI：

ZHOU Guo-liang, SHI Xin-chun. A Novel HVDC-flexible System and Its Simulation[J]. High voltageapparatus, 2008, (2): 104-106+109. DOI：

摘要

从降低电力电子器件直接串联数目、器件开关频率和简化主电路拓扑结构3个方面出发

提出一种基于模块级联的背靠背柔性直流输电结构。选用了高压大电流、低导通损耗而开关频率却相对较低的开关器件IGCT

设计了基于该系统模型的控制系统

确定了其控制策略。MATLAB软件仿真结果证实了笔者提出的背靠背柔性直流输电系统模型的正确性和控制策略的有效性。

Abstract

To decrease direct serial number and switching frequency of electronic devices

and simplify the main circuit topology

a module-cascade based BTB HVDC-flexible system is proposed.The converter module operates with a fairly low switching frequency

and thus the low-switching power electronic device IGCT is selected due to its high power and low conducting loss.A mathematical model is developed for the multi-module-converter based HVDC-flexible system

and a controller is designed for the HVDC-flexible system based on the model.Performance of the HVDC-flexible system and effectiveness of the designed controller are verified via digital time-domain simulations with the software MATLAB.

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