Digital computation of transient characteristics of an induction motor on switched supply |
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Authors: | P. K. Sen A. M. Roy |
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Affiliation: | Electrical Engineering Department, Regional Engineering College, Durgapur-713209, India |
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Abstract: | A novel method of computing the nonlinear differential equations relating to the transient behaviour of an induction motor using a polynomial series, is presented. The stator and rotor currents and the angle of rotation are expressed as polynomial series dependent on time. These are then substituted into the differential equations of the induction motor to compute the polynomial coefficients and, consequently, the transient quantities. Since the equations are nonlinear, the computations are carried out using the step-by-step method. The stator and rotor currents, speed and torque are calculated for acceleration and braking conditions. The results are compared both analytically and experimentally. |
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Keywords: | induction motor polynomial series step-by-step method |
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