Fault Transient Simulation of Middle-voltage MMC-HVDC Distribution System

ZHU Tong; ZHAO Yuming; YU Zhanqing; LIU Guowei; CHEN Ming; LI Xiaolin; XU Shukai; ZENG Rong; LYU Gang; CHEN Zhengyu; ZHANG Xiangyu

doi:10.13296/j.1001-1609.hva.2015.11.005

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Fault Transient Simulation of Middle-voltage MMC-HVDC Distribution System

更新时间：2025-04-26

- Fault Transient Simulation of Middle-voltage MMC-HVDC Distribution System
- High VoltageApparatus Vol. 51, Issue 11, Pages: 26-32+40(2015)
- 作者机构：
  
  1. 清华大学电机系电力系统国家重点实验室
  2. 南方电网深圳供电局
  3. 南方电网科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.005
  CLC： TM721.1
- Published：2015
- 稿件说明：
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[1]朱童,赵宇明,余占清,刘国伟,陈名,黎小林,许树楷,曾嵘,吕纲,陈政宇,张翔宇.中压柔性直流配电系统故障暂态仿真研究[J].高压电器,2015,51(11):26-32+40.

ZHU Tong, ZHAO Yuming, YU Zhanqing, et al. Fault Transient Simulation of Middle-voltage MMC-HVDC Distribution System[J]. High voltageapparatus, 2015, 51(11): 26-32+40.
[1]朱童,赵宇明,余占清,刘国伟,陈名,黎小林,许树楷,曾嵘,吕纲,陈政宇,张翔宇.中压柔性直流配电系统故障暂态仿真研究[J].高压电器,2015,51(11):26-32+40. DOI： 10.13296/j.1001-1609.hva.2015.11.005.

ZHU Tong, ZHAO Yuming, YU Zhanqing, et al. Fault Transient Simulation of Middle-voltage MMC-HVDC Distribution System[J]. High voltageapparatus, 2015, 51(11): 26-32+40. DOI： 10.13296/j.1001-1609.hva.2015.11.005.

摘要

文中针对±10 k V/1 k A柔性直流配电系统进行仿真分析

包括直流系统仿真参数设计、结构选取

配合直流断路器的应用

利用PSCAD/EMTDC仿真软件分析了极间短路故障时直流系统暂态变化的情况

并结合系统侧参数分析了各因素对暂态过程的影响。仿真结果表明

系统参数对故障暂态电压电流的变化有较大的影响;直流断路器可以快速开断故障电流

限制电流峰值

对系统参数设置和器件及设备选型有一定的参考价值。

Abstract

This paper has focused on the ±10 k V/1 k A MMC-HVDC distribution system simulation and analysis.Parameters and the topology of the middle-voltage DC system simulation model have been proposed. With the application of DC current breaker

the interpoles fault transient situations of DC system have been analyzed in PSCAD/EMTDC. Then the influence of various system parameters has been discussed. The results show that system parameters have a greater impact on changes in fault transient voltage and current; DC breaker can fast interrupt the fault current and limit the peak value of the current. It will be a valuable reference for the system parameters settings and equipment selection.

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