Design and Simulation of Fault Diagnosis Methods for Multilevel Inverters Used in Smart Grid Technologies
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International Journal of Recent Engineering Science (IJRES) |  |
| © 2025 by IJRES Journal | ||
| Volume-12 Issue-2 |
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| Year of Publication : 2025 | ||
| Authors : Mohammad Naveed Alam |
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| DOI : 10.14445/23497157/IJRES-V12I2P106 |
How to Cite?
Mohammad Naveed Alam, "Design and Simulation of Fault Diagnosis Methods for Multilevel Inverters Used in Smart Grid Technologies," International Journal of Recent Engineering Science, vol. 12, no. 2, pp. 46-57, 2025. Crossref, https://doi.org/10.14445/23497157/IJRES-V12I2P106
Abstract
The advanced control mechanisms of the smart grid system optimize energy efficiency and power generation. Most faults found in the control systems and their power components may cause a ripple effect throughout the entire system, thus raising a serious concern for reliability. The study highlights the development of fault identification techniques for three-phase multilevel inverters, an important element of smart grid technology. These kinds of inverters are constructed using several power electronic components, which may include MOSFETs or power diodes, and they provide a very high-quality AC voltage to the power system. As the number of levels increases, the AC signal gets more pure; therefore, fault detection in these inverters is critical to avoid disruptions in the system. Different techniques for detecting faults are presented, including analyzing stator currents, current and voltage sensors, identification of single and multiple switching faults, and voltage anomalies associated with transducers malfunctioning. An additional aspect of the research is the development of adaptable multilevel converter models that can be customized for the various layouts of converter topologies. The actual detection techniques display application using harmonic analysis and FFT analysis under simulation environments representing normal operating conditions, failure of isolated power components, and short-tripping scenarios.
Keywords
Converter topology layouts, Harmonic analysis, Multilevel inverters, Power electronic components, Smart grid.
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