Results 1 to 10 of about 44 (43)

A novel controllable capacitor commutation based superconducting hybrid direct current breaker. [PDF]

Sci Rep
Featuring low power loss and high reliability, voltage source converter medium voltage direct current (VSC-MVDC) systems have been widely employed for grid-tied renewable energy applications.
Xu Y, Junaid M, Li M, Yang J, Chen Y, Alkahtani M.   +5 more
europepmc   +2 more sources

Design strategy of IGCT clamp circuit parameters based on bi-objective nonlinear optimization

Energy Reports, 2022
The integrated gate commutated thyristor (IGCT) is a high-power semiconductor device with excellent performance, whose operating characteristics are governed by the clamp circuit.
Tao Jiang, Xiaotao Han, Shaozhe Zhang
doaj   +1 more source

Simulation study of integrated‐gate‐commutated‐thyristor based superconducting hybrid direct current circuit breaker

High Voltage, 2023
With the development of a distributed generation, direct current (DC) load and energy‐storage equipment, voltage‐source‐converter‐based medium‐voltage DC systems (VSC‐MVDC) have attracted more attention due to its low power consumption, high reliability,
Muhammad Junaid, Wenqing Yu, Shuzhi Cao, Xiaolong Yu, Dongsheng Yu, Weilin Zong, Jianhua Wang   +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

An AC Current Limiting and Interrupting Device for Low Voltage Systems [PDF]

Port Said Engineering Research Journal, 2016
This paper describes the development of the hybrid fault current limiter and interrupting device (HCLID) which can be used successfully as a fast short-circuit protection means for low voltage AC industrial installations. The main components of the HCLID
Saady Hasan, El-Sayed El-Refaie, Abdallah Hamada, Ali Alaboudy   +3 more
doaj   +1 more source

Hybrid Modular Multilevel Converter With Arm-Interchange Concept for Zero-/Low- Frequency Operation of AC Drives

IEEE Access, 2020
DC-AC Modular Multilevel Converter (MMC) is a promising candidate for high-power AC drive applications. The main challenge of operating the MMC in AC drive applications is its performance during low-frequency conditions, as high voltage ripple is ...
Ahmed Elserougi, Ibrahim Abdelsalam, Ahmed Massoud, Shehab Ahmed   +3 more
doaj   +1 more source

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

A novel current‐source management integrated circuit applied to high‐voltage integrated gate commutated thyristor gate driver

High Voltage
This paper presents a fully customised integrated gate commutated thyristor (IGCT) gate driver monolithic integrated circuit (GDMIC), aiming to address the many shortcomings of traditional IGCT gate driver units composed of discrete components, such as ...
Shiping Chen, Zhanqing Yu, Jiaxu Shi, Zhengyu Chen, Lu Qu, Jinpeng Wu, Rong Zeng   +6 more
doaj   +1 more source

Improved Control Strategy of Current-Source Converter for HVDC System

CSEE Journal of Power and Energy Systems
Pulse width modulated current-source converter (PWM-CSC) has great prospects in high voltage direct current transmission system (HVDC) due to its attractive features, such as flexible control characteristics, ability to avoid commutation failure, and ...
Wenwen Zhang, Longlong Chen, Xiaoguang Wei, Lei Qi, Ke Ji, Chong Gao, Zhiyuan He   +6 more
doaj   +1 more source

Analytical‐Numerical Hybrid Solution for Transient Thermal Analysis of the Outer Gate IGCT Considering Electrical‐Thermal Coupling

IET Power Electronics
The integrated‐gate commutated thyristor (IGCT), known for its low conduction losses and high reliability, is increasingly favoured in high‐voltage and high‐power applications. The junction temperature is a critical determinant of reliability, making the
Naihang Lyu, Yan Pan, Xiaoguang Wei, Xiang Cui, Zhongkang Lin, Kefan Yu, Xinling Tang, Jingfei Wang   +7 more
doaj   +1 more source