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Symbolically aided model development for an induction machine in virtual test bed

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3 Author(s)
Wenzhong Gao ; Electr. Eng. Dept., Univ. of South Carolina, Columbia, SC, USA ; Solodovnik, E.V. ; Dougal, R.A.

A new phase-domain induction machine model for use in power system dynamic simulation is developed with the aid of a symbolic tool. The symbolic tool can automatically construct a time-domain power system component model in the resistive companion form (RCF) that is widely used in time-domain simulators. The automatic differentiation technique (ADT) is utilized within the context of a symbolic modeling language, and the tool has been implemented for the virtual test bed (VTB) simulation environment. The new induction machine model was used to study start-up transients of an induction motor. The new model was verified by comparing the simulation results to those obtained from a standard d-q model. This paper also demonstrates that a symbolically assisted technique can provide an efficient and rapid path for developing complex nonlinear device models for power system simulations.

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Energy Conversion, IEEE Transactions on  (Volume:19 ,  Issue: 1 )