Power Quality Analysis of a Hybrid Microgrid-Based SVM Inverter-Fed Induction Motor Drive with Modulation Index Diversification

Subramanian Vasantharaj, Vairavasundaram Indragandhi (), Mohan Bharathidasan and Belqasem Aljafari
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Subramanian Vasantharaj: School of Electrical Engineering, Vellore Institute of Technology, Vellore 632 014, India
Vairavasundaram Indragandhi: School of Electrical Engineering, Vellore Institute of Technology, Vellore 632 014, India
Mohan Bharathidasan: School of Electrical Engineering, Vellore Institute of Technology, Vellore 632 014, India
Belqasem Aljafari: Department of Electrical Engineering, Najran University, Najran 11001, Saudi Arabia

Energies, 2022, vol. 15, issue 21, 1-21

Abstract: The effects of varying modulation indices on the current and voltage harmonics of an induction motor (IM) powered by a three-phase space vector pulse-width modulation (SVM) inverter are presented in this research. The effects were examined using simulation and an experimental setup. IMs can be governed by an SVM inverter drive or a phase-angle control drive for applications that require varying speeds. The analysis of THD content in this study used the modulation index (MI), whose modification affects the harmonic content, and voltage-oriented control (VOC) with SVM in three-phase pulse-width modulation (PWM) inverters with fixed switching frequencies. The control technique relies on two cascaded feedback loops, one controlling the grid current and the other regulating the dc-link voltage to maintain the required level of dc-bus voltage. The control strategy was developed to transform between stationary (α–β) and synchronously rotating (d–q) coordinate systems. To test the viability of the suggested control technique, a 1-hp/3-phase/415-V experimental prototype system built on the DSPACE DS1104 platform was created, and the outcomes were evaluated with sinusoidal pulse-width modulation (SPWM).

Keywords: induction motor drive; dc-link voltage balancing; space vector modulation; switching loss; total harmonic distortion (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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