IGCT technology for high-voltage, high-power power electronic equipment: advances, engineering practice, and challenges to large-scale deployment

WU Peifei; ZENG Rong; WEI Xiaoguang; JIANG Taosha; TANG Guangfu

doi:10.11930/j.issn.1004-9649.202608003

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IGCT technology for high-voltage, high-power power electronic equipment: advances, engineering practice, and challenges to large-scale deployment

更新时间：2026-10-14

- IGCT technology for high-voltage, high-power power electronic equipment: advances, engineering practice, and challenges to large-scale deployment
- Vol. 59, Issue 9, Pages: 235-249(2026)
- 作者机构：
  
  1. 北京怀柔实验室
  2. 清华大学电机工程与应用电子技术系
- 作者简介：
- 基金信息：
  
  This work is supported by Smart Grid National Science and Technology Major Project (No.2026ZD0809000)
- DOI：10.11930/j.issn.1004-9649.202608003
  CLC：
- Published：2026
- 稿件说明：
移动端阅览
吴沛飞, 曾嵘, 魏晓光, 等. 面向高压大容量电力电子装备的IGCT技术进展、工程实践与规模化挑战[J]. 中国电力, 2026, 59(9): 235−249.

WU Peifei, ZENG Rong, WEI Xiaoguang, et al. IGCT technology for high-voltage, high-power power electronic equipment: advances, engineering practice, and challenges to large-scale deployment[J]. 2026, 59(9): 235-249.
吴沛飞, 曾嵘, 魏晓光, 等. 面向高压大容量电力电子装备的IGCT技术进展、工程实践与规模化挑战[J]. 中国电力, 2026, 59(9): 235−249. DOI： 10.11930/j.issn.1004-9649.202608003

WU Peifei, ZENG Rong, WEI Xiaoguang, et al. IGCT technology for high-voltage, high-power power electronic equipment: advances, engineering practice, and challenges to large-scale deployment[J]. 2026, 59(9): 235-249. DOI： 10.11930/j.issn.1004-9649.202608003.

摘要

高压直流输电、新能源送出与电网调控装备向高电压、大容量发展，使功率器件选型不再是额定参数的比较，而成为受器件特性、拓扑机理、任务工况和阀级实现共同约束的系统问题。集成门极换流晶闸管（integrated gate-commutated thyristor，IGCT）兼具晶闸管型强电导调制和主动关断能力，并具有压接封装器件短路失效后维持通流的特性。但这些特性并非在所有工况下都构成优势，其系统价值主要体现在中低开关频率、大电流长时通流、主动换相或故障开断等任务中。从器件机理出发，梳理IGCT在负载侧连续功率变换、发电侧连续功率变换及并网支撑、电网侧功率调控、高压直流输电换流、直流变换与直流供能、电流开断与脉冲功率应用场景中的作用，并综合论文、标准和工程资料，比较不同技术方案与技术应用阶段。IGCT在工业中压传动已积累多项工程长期运行经验，风电、铁路供电和电网调控装备已具备产品级方案，混合换相换流阀、直流变压器电流源型直流融冰装置、直流耗能装置、直流断路器等已获得示范工程验证，其他新型换流、开断和脉冲功率方案多处于样机试验或方案探索阶段。中国已形成从器件研制到装备集成的技术链条，相关标准体系正在建立。IGCT并非对其他全控器件的普遍替代，其规模化应用取决于驱动取能、串并联一致性、瞬态能量控制，以及长期运行和批量制造数据的共同支撑。

Abstract

As equipment for high-voltage direct current (HVDC) transmission

bulk renewable power delivery

and grid power-flow control moves toward higher voltage and larger capacity

the selection of power devices is no longer a mere comparison of rated parameters but a system-level problem shaped jointly by device characteristics

converter topology

duty profile

and valve-level implementation. The integrated gate-commutated thyristor (IGCT) combines thyristor-like conductivity modulation

active turn-off capability

and a press-pack short-circuit failure mode. These attributes are not advantageous in every application

and they deliver system-level value chiefly in duties characterized by low-to-medium switching frequency

sustained high-current conduction

forced commutation

or fault interruption. Beginning with device-level mechanisms

this review traces the role of the IGCT in load-side continuous power conversion

generation-side power conversion and grid interconnection support

grid-side power regulation

HVDC conversion

direct current (DC) transformation and DC power supply

DC interruption

and pulsed-power equipment. Drawing on the literature

standards

and project documentation

it then compares the technical schemes and their respective technology maturity levels. Industrial medium-voltage drives have accumulated long-term operational experience across multiple projects; product-grade solutions are available for wind-power

railway-supply

and grid power-flow control equipment. Hybrid commutated converter valves and current-source DC de-icing devices have been validated in demonstration projects

whereas other emerging converter

interruption

and pulsed-power designs remain at the prototype-test stage

with novel topologies still under investigation. In China

an end-to-end capability spanning device fabrication and valve-level integration has taken shape

and a supporting standards framework is emerging. The IGCT is not a universal substitute for other fully controllable devices; its wider deployment rests on gate-drive power supply

parameter consistency in series and parallel operation

transient energy management

thermo-mechanical design

and the availability of long-term field operational data and mass-production evidence.

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