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Analysis and evaluation of soft-swit...

Virginia Polytechnic Institute and State University.

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Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications./
Author:	Dong, Wei.
Description:	259 p.
Notes:	Chair: Fred C. Lee.
Contained By:	Dissertation Abstracts International64-08B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3102587
ISBN:	9780496501571

Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications.
Dong, Wei.

Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications. - 259 p.

Chair: Fred C. Lee.

Thesis (Ph.D.)--Virginia Polytechnic Institute and State University, 2003.

This dissertation presents the systematic analysis and the critical assessment of the AC side soft-switching inverters in electric vehicle (EV) applications. Although numerous soft-switching inverter techniques were claimed to improve the inverter performance, compared with the conventional hard-switching inverter, there is the lack of comprehensive investigations of analyzing and evaluating the performance of soft-switching inverters.

ISBN: 9780496501571Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications.
LDR:03472nam 2200301 a 45 001 862078
005 20100720
008 100720s2003 ||||||||||||||||| ||eng d
020 $a 9780496501571
035 $a (UMI)AAI3102587
035 $a AAI3102587
040 $a UMI $c UMI
100 1 $a Dong, Wei. $3 1029852
245 1 0 $a Analysis and evaluation of soft-switching inverter techniques in electric vehicle applications.
300 $a 259 p.
500 $a Chair: Fred C. Lee.
500 $a Source: Dissertation Abstracts International, Volume: 64-08, Section: B, page: 3963.
502 $a Thesis (Ph.D.)--Virginia Polytechnic Institute and State University, 2003.
520 $a This dissertation presents the systematic analysis and the critical assessment of the AC side soft-switching inverters in electric vehicle (EV) applications. Although numerous soft-switching inverter techniques were claimed to improve the inverter performance, compared with the conventional hard-switching inverter, there is the lack of comprehensive investigations of analyzing and evaluating the performance of soft-switching inverters.
520 $a Starting with an efficiency comparison of a variety of the soft-switching inverters using analytical calculation, the dissertation first reveals the effects of the auxiliary circuit's operation and control on the loss reduction. Three types of soft-switching inverters realizing the zero-voltage-transition (ZVT) or zero-current-transition (ZCT) operation are identified to achieve high efficiency operation.
520 $a Then one hard-switching inverter and the chosen soft-switching inverters are designed and implemented with the 55 kW power rating for the small duty EV application. The experimental evaluations on the dynamometer provide the accurate description of the performance of the soft-switching inverters in terms of the loss reductions, the electromagnetic interference (EMI) noise, the total harmonic distortion (THD) and the control complexity. An analysis of the harmonic distortion caused by short pulses is presented and a space vector modulation scheme is proposed to alleviate the effect.
520 $a To effectively analyze the soft-switching inverters' performance, a simulation based electrical modeling methodology is developed. Not only it extends the EMI noise analysis to the higher frequency region, but also predicts the stress and the switching losses accurately. Three major modeling tasks are accomplished. First, to address the issues of complicated existing scheme, a new parameter extraction scheme is proposed to establish the physics-based IGBT model. Second, the impedance based measurement method is developed to derive the internal parasitic parameters of the half-bridge modules. Third, the finite element analysis software is used to develop the model for the laminated bus bar including the coupling effects of different phases. Experimental results from the single-leg operation and the three-phase inverter operation verify the effectiveness of the presented systematic electrical modeling approach. With the analytical tools verified by the testing results, the performance analysis is further extended to different power ratings and different bus voltage designs.
590 $a School code: 0247.
650 4 $a Engineering, Electronics and Electrical. $3 626636
690 $a 0544
710 2 $a Virginia Polytechnic Institute and State University. $3 1017496
773 0 $t Dissertation Abstracts International $g 64-08B.
790 $a 0247
790 1 0 $a Lee, Fred C., $e advisor
791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3102587