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dc.contributor.advisorOriti, Giovanna
dc.contributor.advisorJulian, Alexander L.
dc.contributor.authorHernandez, Gabriel D.
dc.dateSep-16
dc.date.accessioned2016-11-02T17:18:34Z
dc.date.available2016-11-02T17:18:34Z
dc.date.issued2016-09
dc.identifier.urihttp://hdl.handle.net/10945/50559
dc.description.abstractFor an Energy Management System (EMS)-controlled microgrid that uses a single-phase voltage source inverter (VSI) configuration to supply power for AC loads from DC energy storage devices, the DC link connecting the VSI to the DC energy storage devices experiences a voltage ripple that is a second-order harmonic of the AC frequency. When the EMS has a battery bank as the only DC energy storage device, the DC link voltage ripple causes a second-order harmonic ripple in battery current that leads to a reduction in battery life. Supercapacitors (SCs), which are capable of operating through many more cycles than batteries, can be added to the EMS to form a battery and SC Hybrid Energy Storage System (HESS). The EMS can then be used to filter out the second-order harmonic ripple in battery bank current and provide this current solely from the SC bank, extending battery life and reducing system operating costs. The design of a computer simulation of an EMS providing power to a microgrid is discussed in this thesis. Simulations provide theoretical results and laboratory results compare well with the theoretical results, showing that SCs can be used to remove the second-order harmonic current ripple from the battery bank.en_US
dc.description.urihttp://archive.org/details/removalofdirectc1094550559
dc.publisherMonterey, California: Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.titleRemoval of direct current link harmonic ripple in single-phase voltage source inverter systems using supercapacitorsen_US
dc.typeThesisen_US
dc.contributor.secondreaderCristi, Roberto
dc.contributor.departmentElectrical and Computer Engineering
dc.subject.authorEnergy Management System (EMS)en_US
dc.subject.authorpeak shavingen_US
dc.subject.authorVoltage Source Inverters (VSI)en_US
dc.subject.authorHybrid Energy Storage System (HESS)en_US
dc.subject.authorsupercapacitor (SC)en_US
dc.subject.authorultracapacitor (UC)en_US
dc.subject.authorpower electronicsen_US
dc.subject.authormicrogrid (MG)en_US
dc.subject.authorbidirectional dc/dc convertersen_US
dc.subject.authorbattery life extensionen_US
dc.description.serviceLieutenant Commander, United States Navyen_US
etd.thesisdegree.nameElectrical Engineeren_US
etd.thesisdegree.nameMaster of Science in Electrical Engineeringen_US
etd.thesisdegree.levelMastersen_US
etd.thesisdegree.disciplineElectrical Engineeringen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US
dc.description.distributionstatementApproved for public release; distribution is unlimited.


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