Freewheeling mode in bifilar converter for SRG operation

F. Faradjizadeh, M. R. Tavakoli, E. Afjei, N. Talebi

Research output: Chapter in Book/Conference paperConference paper

1 Citation (Scopus)

Abstract

This paper presents an extra freewheeling mode in bifilar Switched Reluctance Generators (SRG) to enhance the Energy Conversion Ratio (ECR). Freewheeling possibility is accomplished through some modifications in conventional structure of bifilar converters requiring only one more MOSFET and diode for each phase. The proposed BiFilar with FreeWheeling (BFFW) mode converter lets the machine increase its phase current after magnetizing period as a result of back-EMF produced by rotor rotation. Using the proposed converter which provides the chance to magnetize at low and demagnetize at high inductances and adding a freewheeling mode bring about several advantages including: higher ECR, more output power and lower ripple in excitation source current. Through MATLAB/Simulink simulation results of a 6/4 bifilar SRG, the improved characteristics of the proposed converter comparing to other conventional converters such as Asymmetric Bridge (AB) and BiFilar (BF) converters are demonstrated.

Original languageEnglish
Title of host publication22nd Iranian Conference on Electrical Engineering, ICEE 2014
PublisherIEEE, Institute of Electrical and Electronics Engineers
Pages642-647
Number of pages6
ISBN (Electronic)9781479944095
DOIs
Publication statusPublished - 29 Dec 2014
Externally publishedYes
Event22nd Iranian Conference on Electrical Engineering, ICEE 2014 - Tehran, Iran, Islamic Republic of
Duration: 20 May 201422 May 2014

Publication series

Name22nd Iranian Conference on Electrical Engineering, ICEE 2014

Conference

Conference22nd Iranian Conference on Electrical Engineering, ICEE 2014
CountryIran, Islamic Republic of
CityTehran
Period20/05/1422/05/14

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