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Erschienen in:
1988 | OriginalPaper | Buchkapitel
An Equivalent Circuit Model for Inverter-Fed Synchronous Machines
verfasst von : M. J. Carpenter, D. C. Macdonald
Erschienen in: Electromagnetic Fields in Electrical Engineering
Verlag: Springer US
Enthalten in: Professional Book Archive
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Commutation time of inverter fed synchronous motors is commonly expressed in terms of the commutation reactance Xc. A precise method of calculation is desirable especially for solid salient pole motors. A magnetic circuit method is used to model a machine cross section which is coupled to the stator windings making possible a direct coupling of the magnetic circuit with the inverter.Commutation is effectively a line-to-line short circuit superimposed on a load condition and initial studies have been made on a line-to-line short circuit without rotor motion.Calculated commutation on load agrees well with test results.