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dc.contributor.supervisor Filizadeh, Shaahin (Electrical and Computer Engineering) en_US
dc.contributor.author Shahab, Azin
dc.date.accessioned 2013-04-03T21:17:41Z
dc.date.available 2013-04-03T21:17:41Z
dc.date.issued 2013-04-03
dc.identifier.uri http://hdl.handle.net/1993/18335
dc.description.abstract In a Doubly-fed Induction Generator (DFIG) wind energy conversion system, the rotor of a wound rotor induction generator is connected to the grid via a partial scale ac/ac power electronic converter which controls the rotor frequency and speed. In this research, detailed models of the DFIG wind energy conversion system with Sinusoidal Pulse-Width Modulation (SPWM) scheme and Optimal Pulse-Width Modulation (OPWM) scheme for the power electronic converter are developed in detail in PSCAD/EMTDC. As the computer simulation using the detailed models tends to be computationally extensive, time consuming and even sometimes not practical in terms of speed, two modified approaches (switching-function modeling and average-value modeling) are proposed to reduce the simulation execution time. The results demonstrate that the two proposed approaches reduce the simulation execution time while the simulation results remain close to those obtained using the detailed model simulation. en_US
dc.subject average-value en_US
dc.subject wind en_US
dc.subject generator en_US
dc.title Dynamic average-value modeling of doubly-fed induction generator wind energy conversion systems en_US
dc.degree.discipline Electrical and Computer Engineering en_US
dc.contributor.examiningcommittee Bagen, Bagen (Electrical and Computer Engineering) Derksen, Robert( Mechanical and Manufacturing Engineering) en_US
dc.degree.level Master of Science (M.Sc.) en_US
dc.description.note May 2013 en_US


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