Abstract
In this paper, the speed of a three-phase induction motor is controlled by using modified cascaded five-level inverter and we compared the total harmonic distortion of the modified cascaded five-level inverter with the conventional three-level inverter. To reduce the total harmonic distortion, multicarrier PWM is used. An open-loop speed control has been achieved by using V/f method. The simulation result gives that the modified cascaded five-level inverter effectively controls the motor speed and enhances the drive performance through reduction in total harmonic distortion (THD).
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Appendix
Appendix
1.1 Parameter Values
Induction motor: R S = 0.435 Ω, L lS = 4e − 3H, \( R^{\prime}_{\text{r}} = 0. 8 1 6\,\Omega \), \( L^{\prime}_{\text{lr}} = 2 {\text{e}} - 3\;{\text{H}} \), L m = 69.31e3 H, p = 4, power = 3 hp, line–line voltage (rms) = 220 V.
PI controller: K i = 50, K p = 2.
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Singh, S., Sharma, P., Varshney, A., Kumar, A. (2015). Speed Control of Multilevel Inverter-Based Induction Motor Using V/F Method. In: Das, K., Deep, K., Pant, M., Bansal, J., Nagar, A. (eds) Proceedings of Fourth International Conference on Soft Computing for Problem Solving. Advances in Intelligent Systems and Computing, vol 335. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2217-0_20
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DOI: https://doi.org/10.1007/978-81-322-2217-0_20
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