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Modelling and control of a Buck converter
Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap.
2011 (engelsk)Independent thesis Basic level (degree of Bachelor)Oppgave
##### Abstract [en]

DC/DC buck converters are cascaded in order to generate proper load voltages. Rectified line voltage is normally converted to 48V, which then, by a bus voltage regulating converter also called the line conditioner converter, is converted to the bus voltage, e.g. 12V. A polynomial controller converter transforms the 12V into to a suitable load voltage, a fraction of or some few voltages. All cascaded converters are individually controlled in order to keep the output voltage stable constant. In this presentation focusing on the polynomial controller converter implemented as Ericsson’s buck converter BMR450. In this paper modeling, discretization and control of a simple Buck converter is presented. For the given DC-DC-Converter-Ericsson BMR 450 series, analyzing the disturbance properties of a second order buck converter controllers by a polynomial controller. The project is performed in Matlab and Simulink. The controller properties are evaluated for measurement noise, EMC noise and for parameter changes.

2011. , s. 50
##### Emneord [en]
polynomial controller, second order, buck converter
##### Identifikatorer
Lokal ID: oai:bth.se:arkivexE6F4BA47896F1699C12578B700388518OAI: oai:DiVA.org:bth-2207DiVA, id: diva2:829474
##### Uppsök
Physics, Chemistry, Mathematics
##### Veileder
+46-762795822Tilgjengelig fra: 2015-04-22 Laget: 2011-06-22 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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