Now showing items 1-10 of 31
Development of a Testbed for Evaluation of Electric Vehicle Drive Performance
(Virginia Tech, 1997-08-27)
This thesis develops and implements a testbed for the evaluation of inverter fed motor drives used in electric vehicles. The testbed consists of a computer-controlled dynamometer connected to power analysis and data ...
Modeling, Control and Stability Analysis of a PEBB Based DC Distribution Power System
(Virginia Tech, 1997-06-13)
Power Electronic Building Block (PEBB) concept is to provide generic building blocks for power conversion, regulation and distribution with control intelligence and autonomy. A comprehensive modeling and analysis of a PEBB ...
Integrated EMI/Thermal Design for Switching Power Supplies
(Virginia Tech, 1998-02-09)
This work presents the modeling and analysis of EMI and thermal performance for switch power supply by using the CAD tools. The methodology and design guidelines are developed. By using a boost PFC circuit as an ...
Small-signal analysis of the phase-shifted zero-voltage switched PWM converter
(Virginia Tech, 1991)
The specific circuit effects in the phase-shifted, zero-voltage switched, pulse width modulated (PS-ZVS-PWM) converter and their impact on the converter dynam .. ics are analyzed. The small .. signal model is derived ...
Stability of distributed power supply systems
(Virginia Tech, 1993)
A comprehensive stability analysis of a distributed power system (DPS) is performed. The possible performance degradation and stability problems caused by the loading effect of cascaded converters are analyzed. The effect ...
Energy Management System in DC Future Home
(Virginia Tech, 2015-08-19)
Making electricity grids smarter and facilitating them with integration of renewable energy sources (RES) and energy storage are fairly accepted as the necessary steps to achieve a sustainable and secure power industry. ...
Development of a power electronics for a flywheel energy storage system
(Virginia Tech, 1995)
The development of a power electronic circuitry for a flywheel energy storage system is discussed in the following aspects. First, due to the nature of permanent magnet brushless DC motor/generator, the operation of ...
An improved electronic ballast for the fluorescent lamps
(Virginia Tech, 1995-08-09)
Characterization of MnZn ferrite materials and finite element method for MnZn ferrite core loss calculations
(Virginia Tech, 1995-09-15)
This work presents the method of calculating the core loss in ferrite cores by using a linear and sinusoidal finite element solver based on the material property data (the complex permeability, the dielectric constant, and ...
Device Selection Criteria--Based on Loss Modeling and Figure of Merit
(Virginia Tech, 2008-03-28)
With the increasing speed of the microprocessor and its rapidly increasing demand for power, determining how to power the microprocessors for our computers becomes an important issue. So far, industry has been struggling ...