新型直流输电系统阀侧绕组无功补偿特性分析

LI Yong; LUO Longfu; SHANG Rongyan; XU Jiazhu; LI Ji; LIU Fusheng

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新型直流输电系统阀侧绕组无功补偿特性分析

更新时间：2025-08-13

- 新型直流输电系统阀侧绕组无功补偿特性分析
- Automation of Electric Power Systems Vol. 31, Issue 8, Pages: 52-55(2007)
- 作者机构：
  
  湖南大学电气与信息工程学院,湖南省,长沙市,410082
- 作者简介：
- 基金信息：
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- Published：2007
- 稿件说明：
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LI Yong, LUO Longfu, SHANG Rongyan, et al. [J]. Automation of electric power systems, 2007, 31(8): 52-55.
DOI：

LI Yong, LUO Longfu, SHANG Rongyan, et al. [J]. Automation of electric power systems, 2007, 31(8): 52-55. DOI：

摘要

提出了一种新的采用新型换流变压器的直流输电系统结构，并相应分析了其拓扑结构的特点，重点论述了新型换流变压器阀侧角接三角形绕组端部引出抽头接辅助滤波兼功补装置时，其所体现出的无功补偿度对新型直流输电系统运行的影响。通过统计不同无功补偿度情形下新型换流变压器换相电抗的变化规律，得到了与之相关的换相角、极对地直流电压及换流器的无功功率特性变化曲线，并相应地分析了采用新型换流变压器的直流输电新系统受阀侧绕组无功补偿度影响的运行特性，验证了采用新型换流变压器的新系统在结构与运行性能上所具有的优越性。

Abstract

A novel DC transmission system using a new type of converter transformer is proposed and its topology is analyzed. Focus of discussion in the paper is the influence of the level of reactive power compensation on the operation of DC transmission system， when the corner delta windings of the new type of converter transformer are connected with the filtering and reactive-load compensation equipment on the valve side. Through statistical analysis on the variations of the commutating resistance of the new type of converter transformer at different levels of reactive power compensation， the characteristic curves of commutating angle， DC voltage， and the converter’s reactive power characteristic are obtained， so that the operating characteristics of the novel DC transmission system influenced by the level of reactive power compensation are analyzed. The analytical results show the superiority of the new system with the new type of converter transformer.

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