Open AccessLow‐cost hardware‐in‐the‐loop for real‐time simulation of electric machines and electric drive
Author(s) -
Bastos Renan F.,
Silva Fernando B.,
Aguiar Cassius R.,
Fuzato Guilherme,
Machado Ricardo Q.
Publication year - 2020
Publication title -
iet electric power applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.815
H-Index - 97
eISSN - 1751-8679
pISSN - 1751-8660
DOI - 10.1049/iet-epa.2019.0951
Subject(s) - digital signal processing , hardware in the loop simulation , digital signal processor , computer science , electric machine , digital control , control engineering , electronic speed control , real time digital simulator , software , computer hardware , engineering , simulation , electronic engineering , electrical engineering , power (physics) , electric power system , stator , programming language , physics , quantum mechanics
This study aims to present the discrete models and the methodology to implement real‐time simulations of electric machines using a low‐cost digital signal processor (DSP). The DC machine and the three‐phase induction machine are modelled in real‐time using a Texas Instruments DSP TMS28379D, where the discrete models are implemented using C language. A minimum time‐step of 1 µs can be achieved for the DC machine and 1.5 µs for the inductions machine in the experimental hardware. To validate the described models and show their precision, they are compared with commercial computational models from PSIM®. In addition, closed‐loop speed control strategies are applied to the real‐time DSP experimental models, showing perfect concordance with the machine theory. For the DC machine, a speed control strategy with an inner current control loop is applied and for the induction machine, a field‐oriented control for the speed control. The proposed real‐time simulation hardware has a great potential for low‐budget research and educational purposes since it can replace a real machine setup for a very low price, with great accuracy, variable parameters and free from risks, such as accidents or equipment damage. Furthermore, it uses cheap hardware with free software and a high‐level programing language.