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Using Hamiltonians to Model Saturation in Space Vector Representations of AC Electrical Machines

Abstract : An Hamiltonian formulation with complex fluxes and currents is proposed. This formulation is derived from a recent Lagrangian formulation with complex electrical quantities. The complexification process avoids the usual separation into real and imaginary parts and notably simplifies modeling issues. Simple modifications of the magnetic energy underlying standard (α,β) models yield new (α,β) models describing machines with magnetic saturation and saliency. We prove that the usual expression of the electro-mechanical torque (wedge product of fluxes and currents) is related to a rotational invariance characterizing sinusoidal machines.
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Duro Basic, Al Kassem Jebai, François Malrait, Philippe Martin, Pierre Rouchon. Using Hamiltonians to Model Saturation in Space Vector Representations of AC Electrical Machines. J. Lévine, P. Müllhaupt. ADVANCES IN THE THEORY OF CONTROL, SIGNALS AND SYSTEMS WITH PHYSICAL MODELING, Springer Verlag, pp.41-48, 2011, Lecture Notes in Control and Information Sciences, ⟨10.1007/978-3-642-16135-3_4⟩. ⟨hal-00555560⟩

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