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dc.contributor.authorMcLandrich, Andrew M.en_US
dc.date.accessioned2014-03-14T20:43:31Z
dc.date.available2014-03-14T20:43:31Z
dc.date.issued2003-08-13en_US
dc.identifier.otheretd-08152003-215945en_US
dc.identifier.urihttp://hdl.handle.net/10919/34553
dc.description.abstractFuel cells have the potential to provide clean power for a variety of uses including stand-alone residential power. But to increase the acceptance of fuel cells for off-grid generation, the cost of the energy management system must be greatly reduced. Of the many ways to accomplish this, this paper looks at reducing cost through topology changes and elimination of current sensors. A dual 2.5kW non-isolated bidirectional boost converter is designed and analyzed. The various bidirectional boost topologies are compared on cost and ability to meet the specifications. A sensorless average current mode is designed, implemented and verified through testing in a low-cost fixed-point DSP. Both boost and buck modes are accurately modeled and voltage and current controllers are designed for good closed-loop response. The accuracy of the sensorless average current measurement is investigated in both modes of operation. A classical dual-loop controller is implemented in boost mode with the sensorless average current and in buck mode, a dual controller operating in either current or voltage mode is implemented. The design is verified through testing in boost and buck mode and it is shown that the results are acceptable.en_US
dc.publisherVirginia Techen_US
dc.relation.haspartMcLandrichThesis.pdfen_US
dc.rightsI hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to Virginia Tech or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.en_US
dc.subjectfuel cellen_US
dc.subjectlead-acid batteriesen_US
dc.subjectaverage current controlen_US
dc.subjectsensorlessen_US
dc.subjectvoltage controlen_US
dc.subjectDSPen_US
dc.subjectbidirectional boosten_US
dc.titleSensorless Control of a Bidirectional Boost Converter for a Fuel Cell Energy Management Systemen_US
dc.typeThesisen_US
dc.contributor.departmentElectrical and Computer Engineeringen_US
dc.description.degreeMaster of Scienceen_US
thesis.degree.nameMaster of Scienceen_US
thesis.degree.levelmastersen_US
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen_US
thesis.degree.disciplineElectrical Engineeringen_US
dc.contributor.committeechairLai, Jih-Sheng Jasonen_US
dc.contributor.committeememberLindner, Douglas K.en_US
dc.contributor.committeememberBoroyevich, Dushanen_US
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08152003-215945/en_US
dc.date.sdate2003-08-15en_US
dc.date.rdate2003-08-21
dc.date.adate2003-08-21en_US


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