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In this paper, an optimization techniques with FEM program is presented to minimize the torque ripple of the V-type IPMSM using notches on the rotor surface. The notch is optimized by an objective function and five design variables as to be able to minimize the cogging torque. A 3-phases 8-poles 45 kW IPMSM is modeled and simulated to verify the proposed algorithm. The result is reasonably good for...
This paper presents an analyzing method of the capacitance of the power transformer for insulation design. The 2 MVA 22.9 kV transformer is applied to the proposed algorithm for calculating of the initial voltage distribution.
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