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dc.contributor.authorSepúlveda, João-
dc.contributor.authorAfonso, João L.-
dc.contributor.authorMartins, Júlio S.-
dc.description.abstractThis paper describes work that is being done in the design and implementation of a series active power filter for electrical power quality purposes. This type of filter is able to compensate for the following voltage related problems in the power grid: short blackouts for a few cycles, voltage distortion due to harmonics on a repetitive basis, voltage unbalance in three-phase systems, voltage flicker (subharmonics) and momentary over or under voltages. The main objective of the work described in the paper is to build a series active filter controlled by a personal computer with a standard multifunction data acquisition PCI bus card, because of its relative low cost and versatility. This PC based solution presents some difficulties since the control of a series active filter is a kind of application which requires a fast controller which that does not miss samples and where all real-time deadlines must be met each and every time, or the system will not operate properly. These characteristics imply that this application falls in the “hard real-time” control category. In the paper, some results are presented and some conclusions are taken using two different operating systems. Furthermore, a comparison with a microcontroller based implementation will be made.eng
dc.publisherEuropean Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ)por
dc.subjectActive power filterseng
dc.subjectp-q theoryeng
dc.subjectData acquisitioneng
dc.subjectReal-time controleng
dc.subjectPC-based controllereng
dc.subjectSeries active filterpor
dc.titleA series active power filter controlled by personal computereng
sdum.journalRenewable Energy and Power Quality Journalpor
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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