Dual Parallel Induction Motor Fed by a Single Inverter Based On Two Step Predictive Torque Control

The predictive torque control (PTC) of electric motor drive is based on the principle that the determined optimum voltage vector will be applied to the motor in the next cycle. PTC with one-step prediction cannot obtain an experimental motor speed control, because in the real-time implementation, th...

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Bibliographic Details
Published in:International Journal on Electrical Engineering and Informatics 2022-09, Vol.14 (3), p.698-724
Main Authors: Adam, Ahmad Antares, Purwadi, Agus, Rohman, Arief Syaichu, Haroen, Yanuarsyah, Suwarno, Suwarno
Format: Article
Language:English
Subjects:
Actuation
Delay time
Electric motors
Induction motors
Inverters
Load
Optimization
Predictive control
Real time
Sensors
Speed control
Step response
Torque
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Summary:The predictive torque control (PTC) of electric motor drive is based on the principle that the determined optimum voltage vector will be applied to the motor in the next cycle. PTC with one-step prediction cannot obtain an experimental motor speed control, because in the real-time implementation, there is a single sampling delay between input and optimal actuation due to a large number of real time calculations. The delay time problem could be solved by modifying the optimization steps by using the two-step prediction of PTC model. In this research PTC with two step prediction is applied to control two parallel induction motor fed by a single inverter using two strategies, namely master-slave and average scheme. The experimental results of the dual parallel induction motor fed by a single inverter using masterslave and average scheme are shown in this paper. From these result, the PTC with two step prediction using these schemes is applicable in controlling the two parallel connected induction motors. The experimental results show that both motors can follow and approach the reference speed given for both step response and variable speed experiments.
ISSN:2085-6830
2087-5886
DOI:10.15676/ijeei.2022.14.3.13