An Innovative Closed Loop Control Approach with High Gain Improved SEPIC-Luo Converter for PV-Powered PMBLDC Motor

International Journal of Electrical and Electronics Engineering

© 2024 by SSRG - IJEEE Journal

Volume 11 Issue 1

Year of Publication : 2024

Authors : S. Prakash, K. Boopathy

10.14445/23488379/IJEEE-V11I1P104

How to Cite?

S. Prakash, K. Boopathy, "An Innovative Closed Loop Control Approach with High Gain Improved SEPIC-Luo Converter for PV-Powered PMBLDC Motor," SSRG International Journal of Electrical and Electronics Engineering, vol. 11,  no. 1, pp. 28-45, 2024. Crossref, https://doi.org/10.14445/23488379/IJEEE-V11I1P104

Abstract:

This work mainly focuses on affording a consistent and unceasing power supply to a three-phase Permanent Magnet Brushless DC (PMBLDC) motor. The solar array serves as a power generation component in this case. Owing to the inconsistent nature of the PV panel, the output is relatively low, a high gain improved Single Ended Primary Inductance Converter (SEPIC) integrated Luo converter is implemented to maximize the voltage generated by the solar panel. The acquired DC output voltage from the converter is stabilized using a Proportional Integral (PI) controller based on an innovative hybrid Improved Whale Optimization assisted Bat Algorithm (IWO-BA) is proposed. This optimization performs an automatic updating of controller parameters while keeping the voltage stable. The primary switching frequency of the Voltage Source Inverter (VSI) is produced by electronic communication in the PMBLDC motor. As thus, VSI losses caused by a high switching frequency are reduced. The PI controller controls PMBLDC motor speed by sensing the precise position of the rotor and comparing it with the reference speed. The control of a Three-Phase Voltage Source Inverter (3ɸVSI) connected to the grid is accomplished by expanding a PIsupported Hysteresis Current Controller (HCC). Finally, the steady power is delivered to the three-phase PMBLDC motor without any distortions. MATLAB platform simulation is utilized to ensure the entire effectiveness of the proposed work. From the results obtained, it is evident that the proposed system achieves the highest efficiency value of 99.1% with a minimized THD value of 1.21%.

Keywords:

PV system, PMBLDC motor, IWO-BA optimized PI controller, 3ɸVSI, HCC.

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