Transient response characteristics of new and convention HVDC transmission system

NING Zhihao

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Transient response characteristics of new and convention HVDC transmission system

更新时间：2025-11-18

- Transient response characteristics of new and convention HVDC transmission system
- Vol. 35, Issue 5, Pages: 16-19(2015)
- 作者机构：
  
  国网湖南省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM721.1
- Published：2015
- 稿件说明：
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[1]宁志毫.新型与常规直流输电系统动态响应特性仿真分析[J].湖南电力,2015,35(05):16-19.

NING Zhihao. Transient response characteristics of new and convention HVDC transmission system[J]. 2015, 35(5): 16-19.
[1]宁志毫.新型与常规直流输电系统动态响应特性仿真分析[J].湖南电力,2015,35(05):16-19. DOI：

NING Zhihao. Transient response characteristics of new and convention HVDC transmission system[J]. 2015, 35(5): 16-19. DOI：

摘要

分析了一种基于新型换流变压器的直流输电系统

结构特点在于:换流变压器阀侧采用延边三角形结构

绕组连接处引出抽头接滤波兼无功补偿装置

有效地将谐波抑制于阀侧并部分地补偿换流器所消耗的无功功率。通过分别采用固定电容器（FC）和静止无功补偿器（SVC）2种不同的无功补偿方式

应用PSCAD/EMTDC仿真工具对比分析了新型与常规直流输电系统在典型故障下动态恢复方面的特性。

Abstract

A new HVDC transmission system based on the new converter transformer is analyzed. The tap at the linking point of the prolonged winding and the common winding of the secondary windings is connected with the LC resonance circuit. There will be no inductive harmonic current in the primary winding. Moreover

the active power that the converter needs can be partly compensated in the secondary winding. Finally

the PSCAD / EMTDC simulation tool is used to study the dynamic recovery performance of the new and convention HVDC system adopting several different var compensating devices in HVDC inverter-Fixed capacitor（ FC）

static var compensator（ SVC） when HVDC are subject to various typical faults.

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