IMPEDANCE CALCULATIONS OF INDUCTION MACHINE ROTOR CONDUCTORS.
DOI:
https://doi.org/10.4314/njt.231.503Abstract
The exact calculation of the impedance of induction machine rotor conductors at several operating frequencies are necessary if the dynamic behaviour of the machine is to give a good correlation between the simulated starting torque and current and the experimental results. This paper describes a method of' calculating the impedance of Rectangular and Trapezoidal rotor bars. An R-L parallel network is used to model each of the Rotor bars. A computer optimisation Algorithm is developed and from which the Rotor circuit parameters at several frequencies are estimated. The model solutions may then be used to find any desired steady-state or transient performances of induction machines.
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