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Showing 1 to 20 of 53 for “"power semiconductor devices"”.
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Novel Power Semiconductor Devices and Technologies
… is devoted towards the development of efficient power semiconductor devices. It will focus upon the development of 1200V and 1700V fast recovery diodes and two MOS gated thyristor structures viz. the Accumulation Layer enhanced Emitter Switched Thyristor (ALEST) and the Clustered IGBT (CIGBT). …
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MODELLING AND DESIGN OF DIAMOND POWER SEMICONDUCTOR DEVICES
… advantages over Silicon and wide bandgap semiconductors (WBG) for ultra-high voltage and high temperature applications (>3 kV and >450 K, respectively). However, despite its tremendous potential, fabricated devices based on this material have not yet delivered the expected …
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Hard Switched Robustness of Wide Bandgap Power Semiconductor Devices
As power conversion technology is being integrated further into high-reliability environments such as aerospace and electric vehicle applications, a full analysis and understanding of the system's robustness under operating conditions inside and outside the safe-operating-area is necessary. The …
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Measuring Level of Degradation in Power Semiconductor Devices using Emerging Techniques
… of time tends to deteriorate the health of power electronic switches. Being a key element in any high-power converter systems, power switches such as insulated-gate bipolar junction transistors (IGBTs) and metal-oxide semiconductor field-effect transistors (MOSFETs) are constantly monitored …
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Technology for Planar Power Semiconductor Devices Package with Improved Voltage Rating
The high-voltage SiC power semiconductor devices have been developed in recent years. They cause an urgent in the need for the power semiconductor packaging to have not only low interconnect resistance, less noise, less parasitic oscillations, improved reliability, and better thermal management, …
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Double-Sided Liquid Cooling for Power Semiconductor Devices Using Embedded Power Technology
Power electronics is a constantly growing and demanding technical field. Consumer demand and developing technologies have made the improvement of power density a primary emphasis of research for this area. Power semiconductors present some of the major challenges for increasing system level power …
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Investigation of Power Semiconductor Devices for High Frequency High Density Power Converters
The next generation of power converters not only must meet the characteristics demanded by the load, but also has to meet some specific requirements like limited space and high ambient temperature etc. This needs the power converter to achieve high power density and high temperature operation. It …
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Comparative Study of Power Semiconductor Devices in a Multilevel Cascaded H-Bridge Inverter
… battery energy storage system (BESS) using SiC power MOSFETs and Si IGBTs. Two crucial performance drivers for inverter applications are power loss and efficiency. Both of these are investigated in this thesis. Power devices with similar voltage and current ratings are used in the same inverter …
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Sintering of Micro-scale and Nanscale Silver Paste for Power Semiconductor Devices Attachment
… the most important processes in the packaging of power semiconductor devices. The current die-attach materials/techniques, including conductive adhesives and reflowed solders, can not meet the advance of power conversation application. Silver paste sintering has been widely used in …
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Novel MOS-gated bipolar device concepts towards a new generation of power semiconductor devices.
Research in MOS-gated power semiconductor devices with combined bipolarlVIOS action has been motivated by the continuous industrial need for highly efficient devices with reduced power losses and high impedance gate control. The Insulated Gate Bipolar Transistor (IGBT) and the IVIOS Controlled …
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SiC-Based High-Frequency Soft-Switching Three-Phase Rectifiers/Inverters
… to the current industry practice, with a power rating between 10 and 30 kW, the power density are limited by silicon (Si) power semiconductor devices, which make the systems operate at only up to around 30 kHz. The emerging wide bandgap (WBG) power semiconductor devices are considered as …
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Design and Modelling of Smart Power IC Components For the Automotive Industry
In this thesis, n- and p-type power semiconductor devices used for H-bridge Direct Current (DC) motor drives in automotive application are developed. It will focus on the development of power semiconductor devices which are able to support a voltage in the range of 80V-100V with the specific …
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Thermal Characterization of Die-Attach Degradation in the Power MOSFET
The thermal performance of the power MOSFET module is subject to change over its lifetime. This is caused by the growth of voids and other defects in the die-attach layer. The goal of this dissertation is to develop measurement techniques and finite element simulations that can measure the changes …
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Design and steady-state analysis of the switched reluctance motor drive
… drives mainly due to the advent of high power semiconductor devices and improvements in the understanding of the principles of electromagnetic energy conversion. In particular, the switched reluctance motor (SRM) has received attention mainly due to its simple construction and robustness …
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Application of Modular Multilevel Converters (MMC) Using Phase-Shifted PWM and Selective Harmonic Elimination in Distribution Systems
<p>Reducing the size and weight of a power electric system is a prodigious challenge to researchers as the development of the latest technologies emerge in the field of electrical engineering. A similar urge is there to develop a light-weight mobile power substation (MPS) to use in the electric …
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Soft-switching techniques for high-power PWM converters
… the switching loss and switching stresses of the power semiconductor devices in a power converter. This work presents several soft-switching topologies for high power PWM converters. These new topologies achieve soft-switching functions with minimum increase of device voltage/current stresses and …
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Optimal vertical plane booster guidance including pitch dynamics
… the switching loss and switching stresses of the power semiconductor devices in a power converter. This work presents several soft-switching topologies for high power PWM converters. These new topologies achieve soft-switching functions with minimum increase of device voltage/current stresses and …
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Innovative GTO Thyristor Based Switches Through Unity Gain Turn-Off
… conducting capabilities among all known high power semiconductor devices. To improve its dynamic performances to meet the increased demand in high-performance high-power applications, a special driving technique, namely unity gain turn-off, is studied. Several innovative approaches, which …
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