Results 91 to 100 of about 2,619 (224)

Reliability Evaluation of High Power Semiconductors

open access: yesKongzhi Yu Xinxi Jishu, 2015
It described the modern reliability engineering based on math and physics. The reliability problems of power semiconductor devices were introduced. Three major acceleration tests were described by means of 4045 IGCT device and related failure rate curves
ZHANG Ming
doaj  

Разработка и исследование характеристик объединенного регулятора потоков мощности [PDF]

open access: yes, 2016
Объектом исследования является объединенный регулятор потоков мощности, а именно разработка системы управления и исследование его характеристик. Цель работы – понять принцип работы ОРПМ и его составляющих, разработать систему управления и исследовать его
Литвинов, Сергей Андреевич
core  

Architecture, Voltage and Components for a Turboelectric Distributed Propulsion Electric Grid [PDF]

open access: yes, 2015
The development of a wholly superconducting turboelectric distributed propulsion system presents hide unique opportunities for the aerospace industry.
Armstrong, Michael J.   +6 more
core   +1 more source

Development of 20 MVA Three-level IGCT Converter

open access: yesKongzhi Yu Xinxi Jishu, 2015
It introduced a high-performance three-level IGCT converter and described the structure layout, circuit topology, control system framework, cooling system etc in detail.
HU Jiaxi   +3 more
doaj  

Attenuated N400 indicates enhanced we – prioritization by depressive mood during integration of ingroup risk cues

open access: yesBMC Psychology
The neural mechanisms through which depressive mood modulates we – prioritization in complex social contexts remain unclear. This study employed event – related potentials (ERPs) to investigate how depressive mood influences we – prioritization, the ...
Wanxia Chen   +7 more
doaj   +1 more source

A time-varying markov-switching model for economic growth [PDF]

open access: yes
This paper investigates economic growth’s pattern of variation across and within countries usinga Time-Varying Transition Matrix Markov-Switching Approach.
Morier, Bruno, Teles, Vladimir Kuhl
core  

Research on the Isolation Technology for Reverse Conducting IGCT

open access: yesKongzhi Yu Xinxi Jishu, 2015
Isolation between GCT and FRD is the key technology in reverse conducting IGCT (RC_IGCT) developing. Compared with the existing isolation technology, a new method with compensated PNP isolation structure was proposed. Based on Silvaco simulation, process
CHEN Fanglin   +5 more
doaj  

基于IGCT的MMC子模块箝位电路损耗计算方法

open access: yesGaoya dianqi
箝位电路损耗计算是IGCT-MMC换流阀电气设计、运行损耗评估,以及阀冷却系统设计的基础。在分析IGCT-MMC子模块箝位电路工作原理的基础上,基于IGCT关断电流及二极管反向恢复电流的指数函数模型,建立了子模块换流暂态过程箝位电路的等效模型,提出了子模块箝位电路损耗的解析计算方法。对比试验测量和理论计算结果,验证了所提出损耗计算方法的有效性。
娄彦涛, 刘琦, 徐海博, 季一鸣
doaj  

Advances in genetic abnormalities, epigenetic reprogramming, and immune landscape of intracranial germ cell tumors. [PDF]

open access: yesActa Neuropathol Commun, 2023
Zhang Y   +8 more
europepmc   +1 more source

Physikalische Modellbildung von IGCTs für die Schaltungssimulation [PDF]

open access: yes, 2007
Die vorliegende Arbeit befaßt sich mit einem Modell für den Integrated Gate Commutated Transistor (IGCT), das zur rechnergestützten Schaltungssimulation verwendet werden kann. Dabei steht das dynamischer Verhalten dieses Leistungsschalters im Vordergrund. Aufgrund bestimmter physikalischer Eigenschaften bipolarer Leistungshalbleiterbauelemente kann auf
openaire  

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