Results 41 to 50 of about 2,619 (224)

Design of cooling structure improvement of hybrid commutated converter valve

High Voltage, Volume 10, Issue 3, Page 570-580, June 2025.
Abstract This paper presents a thermal management framework for 120 kV hybrid commutated converter (HCC) valves, addressing critical cooling challenges in multi‐hundred‐MW power conversion systems. Power loss calculations under rated (1.0 p.u.) and overload (1.2 p.u.) conditions demonstrate that HCC valves achieve comparable loss levels to line ...
Xu He, Lu Qu, Xiaoguang Wei, Fang Cai, Zhanqing Yu, Tianhui Yang, Yurong Luo, Gongyi Zhang   +7 more
wiley   +1 more source

Finite element joint simulation model applied to fast mechanical switching of controlled resonance combination circuit breakers

High Voltage, Volume 10, Issue 2, Page 419-435, April 2025.
Abstract Fast mechanical switches (FMSs) are critical components of DC circuit breakers (DCCBs), which require the switch action time to break to a sufficient distance within 3 ms in the DC line breaking scenario, while ensuring a long service life. The breaking mechanism significantly affects the current interruption capability of DCCBs. The operation
Puyi Cui, Guoli Li, Zehui Sun, Jiazi Xu, Guoyong Zhang, Zhong Chen, Weiping Guan   +6 more
wiley   +1 more source

Flexible Interconnection Strategy of Distribution Network Based on IGCT

南方能源建设
[Introduction] To better adapt to the development of distribution network, a flexible DC back-to-back interconnection solution based on integrated gate commutated thyristors (IGCT) devices for medium voltage distribution network is proposed for areas ...
Cheng SU, Xianghao JIAN, Zhida KONG, Zhenjian LUN   +3 more
doaj   +1 more source

High-performance motor drives [PDF]

, 2011
This article reviews the present state and trends in the development of key parts of controlled induction motor drive systems: converter topologies, modulation methods, as well as control and estimation techniques.
García Franquelo, Leopoldo, Kazmierkowski, Marian P., León Galván, José Ignacio, Pérez, Marcelo, Rodríguez, José   +4 more
core   +1 more source

A New Drive Circuit Topology for GCT Turning-on

Kongzhi Yu Xinxi Jishu, 2015
In order to meet the turning-on performance of higher power level GCT device, it introduced a new turning-on drive circuit topology for IGCT gate drive unit.
ZENG Hong, CHEN Xiulin, WANG Sanhu, ZHANG Shunbiao, WANG Fuguang, WANG Yujie   +5 more
doaj  

Optimization Design Method for IGCT Gate Pole Drive Based on Improved Grey Wolf Algorithm

Energies
Integrated Gate-Commutated Thyristor (IGCT) serves as the core power electronic device in high-voltage and high-power renewable energy conversion systems.
Ruihuang Liu, Qi Zhou, Shi Chen, Pai Peng, Xuefeng Ge, Liangzi Li   +5 more
doaj   +1 more source

High‐Current Cryogenic DC Solid‐State Circuit Breaker for Electric Aircraft

IET Electric Power Applications, Volume 19, Issue 1, January/December 2025.
Cryogenic and superconducting technologies have great potential to significantly enhance the power density and efficiency of electric propulsion aircraft. This paper presents the design of a 300 V/1700 A DC solid‐state circuit breaker (SSCB) operating at cryogenic temperatures.
Zhongying Wang, Jiawen Xi, Xianwu Zeng, Emelie Nilsson, Jean‐francois Rouquette, Edwin Calderon, Ravi Kiran Surapaneni, Ludovic Ybanez, Xiaoze Pei   +8 more
wiley   +1 more source

Medication review versus usual care to improve drug therapies in older inpatients not admitted to geriatric wards: a quasi-experimental study (RASP-IGCT)

BMC Geriatrics, 2018
Background Interdisciplinary geriatric consultation teams (IGCT) are regularly requested to provide comprehensive geriatric assessments in older inpatients.
Lorenz Van der Linden, Julie Hias, Lisa Dreessen, Koen Milisen, Johan Flamaing, Isabel Spriet, Jos Tournoy   +6 more
doaj   +1 more source

A converter-assisting flexible switch topology and its control strategy

电力工程技术, 2023
The rapid development of new energy in the distribution network increases its flexibility while making it more complicated to operate and manage the network.
FANG Rengcun, LEI He, YANG Dongjun, ZHUANG Kaixun, ZHA Xiaoming, SUN Jianjun   +5 more
doaj   +1 more source

Power converters for ITER [PDF]

, 2006
The International Thermonuclear Experimental Reactor (ITER) is a thermonuclear fusion experiment designed to provide long deuterium– tritium burning plasma operation.
Benfatto, I
core   +1 more source