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This paper presents an analytical approach to characterize a flux concentration permanent magnet synchronous machines (PMSM) with fractional slot concentrated winding (FSCW). The very particular configuration of the studied machine leads the authors to associate a fictive winding to the stator coils in order to be able to determine the Ld and Lq inductances. Experimental measurements, done on the...
The aim of this paper is to contribute to the electrical machine diagnosis running as adjustable speed drive. The analyzed signal is the leakage flux flowing around the machine, which is considered to be an image of the airgap flux density. An analytical expression of the airgap flux density is presented and gives sensitive spectral lines to a stator winding short-circuit fault in an induction machine...
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