Real-Time Simulation of Power Conversion in Doubly Fed Induction Machine

Zbigniew Kłosowski and Sławomir Cieślik
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Zbigniew Kłosowski: Faculty of Telecommunications, Computer Science and Electrical Engineering, UTP University of Science and Technology, Kaliskiego 7, PL-85-796 Bydgoszcz, Poland
Sławomir Cieślik: Faculty of Telecommunications, Computer Science and Electrical Engineering, UTP University of Science and Technology, Kaliskiego 7, PL-85-796 Bydgoszcz, Poland

Energies, 2020, vol. 13, issue 3, 1-22

Abstract: Currently used methods of simulation of doubly fed induction machines (DFIM), especially in real-time simulators (where a relatively large calculation step is used and high adequacy is required), do not provide the required adequacy, especially in rotor electrical circuits. In order to increase the adequacy of reproducing of electrical processes occurring in the circuits of the wound DFIM rotor, this paper presents a proposal and a verification of a new method of real-time simulation. The new method of mathematical modeling of electrical circuits uses voltage averaging at the calculation step. This method was supplemented by prediction of the machine’s rotor angle, which significantly increases the degree of adequacy of reproducing physical quantities present in DFIM, especially in the machine’s rotor. This method allows real-time simulation of electrical systems with a relatively large calculation step (of the order of 200 µs), while maintaining an appropriate degree of adequacy.

Keywords: mathematical model of doubly fed induction machine; method of average voltage values at the integration step; adequacy of simulation calculations; real-time simulator (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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