Results 21 to 30 of about 36,625 (231)

A method for predicting IGBT junction temperature under transient condition [PDF]

open access: yes, 2008
In this paper, a method to predict junction temperature of the solid-state switch under transient condition is presented. The method is based on the thermal model of the switch and instantaneous measurement of the energy loss in the device.
Ahmed, M. M. R.   +2 more
core   +1 more source

A Fault-Tolerant T-Type Multilevel Inverter Topology With Increased Overload Capability and Soft-Switching Characteristics [PDF]

open access: yes, 2017
he performance of a novel three-phase four-leg fault-tolerant T-type inverter topology is introduced in this paper. This inverter topology provides a fault-tolerant solution to any open-circuit and certain short-circuit switching faults in the power ...
Demerdash, Nabeel   +4 more
core   +2 more sources

Investigation of FACTS devices to improve power quality in distribution networks [PDF]

open access: yes, 2011
Flexible AC transmission system (FACTS) technologies are power electronic solutions that improve power transmission through enhanced power transfer volume and stability, and resolve quality and reliability issues in distribution networks carrying ...
Rehman Shaikh, Muhammad Asim   +1 more
core   +1 more source

Mechanical Stress Analysis in High Power Press Pack IGBT

open access: yesZhongguo dianli, 2020
Mechanical stress is one of the key factors affecting the electrical characteristics, thermal characteristics and reliability of high-voltage high-power press-pack IGBT devices.
Xinling TANG   +7 more
doaj   +1 more source

Research on the Gate Oxide Layer Aging Trend of Power Electronic Device

open access: yesIEEE Access, 2021
The introduction of fully electric vehicles (FEVs) into the mainstream has raised concerns about the reliability of their electronic components such as Insulated Gate Bipolar Translator (IGBT).
Guoqing Xu   +4 more
doaj   +1 more source

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

Low Switching Loss Built-In Diode of High-Voltage RC-IGBT with Shortened P+ Emitter

open access: yesMicromachines, 2023
In this paper, a low switching loss built-in diode of a high-voltage reverse-conducting insulated gate bipolar transistor (RC-IGBT) is proposed without deteriorating IGBT characteristics.
Wei Wu   +5 more
doaj   +1 more source

Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]

open access: yes, 2015
In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
core   +1 more source

Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters [PDF]

open access: yes, 2015
This paper focuses on the behaviour of the cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. Active switches, not designed for fault conditions, are tripped to minimize discharge currents effect on the ...
Aboushady, A.A., Ahmed, K.H., Jovcic, D.
core   +2 more sources

Subsidiary capability upgrading and parent-subsidiary relationship: insights from a Chinese acquisition in the UK [PDF]

open access: yes, 2015
Purpose: - This study aims to explore capability upgrading of EMNE’s subsidiaries in developed countries and how the parent-subsidiary relationship influences such upgrading.
Birkinshaw J.   +3 more
core   +1 more source

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