High-voltage and High-power Hybrid Commutated Converter Based on Reverse Blocking Integrated Gate Commutated Thyristor

YU Zhanqing; WANG Zongze; QU Lu; XU Chaoqun; ZHAO Biao; YUAN Zhichang; WU Jinpeng; WEI Xiaoguang; ZENG Rong

doi:10.13334/j.0258-8013.pcsee.250969

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High-voltage and High-power Hybrid Commutated Converter Based on Reverse Blocking Integrated Gate Commutated Thyristor

更新时间：2026-10-12

- High-voltage and High-power Hybrid Commutated Converter Based on Reverse Blocking Integrated Gate Commutated Thyristor
- Vol. 46, Issue 9, Pages: 3804-3814(2026)
- 作者机构：
  
  1. 1 清华大学电机工程与应用电子技术系，北京市海淀区,100084
  2. 2 国家电网国家电力调度控制中心，北京市西城区,100031
  3. 3 北京怀柔实验室，北京市怀柔区,101499
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.250969
  CLC：
- Received：05 May 2026，
  
  Published：2026
- 稿件说明：
移动端阅览
YU Zhanqing, WANG Zongze, QU Lu, et al. High-voltage and High-power Hybrid Commutated Converter Based on Reverse Blocking Integrated Gate Commutated Thyristor[J]. 2026, 46(9): 3804-3814.
DOI：

YU Zhanqing, WANG Zongze, QU Lu, et al. High-voltage and High-power Hybrid Commutated Converter Based on Reverse Blocking Integrated Gate Commutated Thyristor[J]. 2026, 46(9): 3804-3814. DOI： 10.13334/j.0258-8013.pcsee.250969.

摘要

换相失败(commutation failure，CF)是电网换相换流高压直流输电技术(line commutated converter based high voltage direct current，LCC-HVDC)所面临的固有难题。为彻底解决换相失败问题，该文提出基于逆阻型集成门极换流晶闸管(reverse blocking integrated gate commutated thyristor，RB-IGCT)的混合换相换流器(hybrid commutated converter，HCC)技术，该技术可以利用恢复增强自然换相和主动关断强迫换相两种方式进行换相。首先，探讨HCC拓扑相较于LCC需要做出的改动，并在此基础上提出基于运行工况自适应的多模式切换控制策略；通过建立120 kV/3 000 A超高压直流输电系统电磁暂态仿真模型，对HCC的暂态响应、稳态运行及典型故障工况下的动态特性进行系统性分析；进一步，研制IGCT-HCC物理实验平台，通过组件级功能测试与系统级对拖试验的交叉验证，证实HCC方案在换相成功概率与故障穿越能力等关键指标上的优越性。该文可为新一代混合换相装备的工程化应用提供理论支撑与技术路径，对构建高可靠性的直流输电系统具有重要工程应用价值。

Abstract

Commutation failure (CF) is an inherent problem faced by line commuted converter high voltage direct current (LCC-HVDC) technology. To completely solve the problem of commutation failure

Tsinghua University has proposed a novel hybrid commutated converter (HCC) technology based on reverse blocking integrated gate commutated thyristor (RB-IGCT)

which can utilize two methods for commutation: grid voltage commutation and active turn-off forced commutation. This paper first explores the changes that HCC topology needs to make compared to LCC

and then presents different operating modes and control strategies based on different operating conditions. By building a simulation model of the ultra-HVDC system

this paper analyzes the transient

steady-state

and typical fault operation characteristics of HCC. The experimental platform for IGCT-HCC is established

and corresponding tests are conducted on the components and system characteristics of HCC

verifying the correctness and effectiveness of the HCC scheme. This article provides support for the application of HCC in the field of HVDC

which is of great significance for solving the problem of commutation failure in HVDC.

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