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A Novel Snubber Circuit Design for Enhancing Efficiency and Reliability of Single-phase PWM Inverters in Renewable Energy Applications

Author

Listed:
  • Moh’d Moh’d Alsoudi

    (University of Aden, Yemen)

  • Moh’d Zaid A. Karim

    (University of Aden, Yemen)

  • Abdulhakim Saeed Noman

    (University of Aden, Yemen)

Abstract

Power electronics play a pivotal role in the integration of renewable energy technologies by enabling efficient, flexible, and reliable conversion and control of electrical power. Renewable energy sources such as solar photovoltaic and wind produce variable and intermittent outputs, making power electronic converters—such as inverters (DC–AC)—essential to ensure grid-compatible electricity. Furthermore, power electronics enable voltage regulation, energy storage management, and grid synchronization, all of which are vital for enhancing the stability and efficiency of renewable energy systems. This paper investigates the performance of a single-phase PWM inverter using Insulated Gate Bipolar Transistors (IGBTs), selected for their low conduction losses and fast switching speeds. The impact of carrier-to-reference frequency ratios on harmonic content is analyzed. A practical method for designing snubber circuits is also proposed and validated through simulations performed in SIMPLORER and MATLAB/Simulink software.

Suggested Citation

  • Moh’d Moh’d Alsoudi & Moh’d Zaid A. Karim & Abdulhakim Saeed Noman, 2025. "A Novel Snubber Circuit Design for Enhancing Efficiency and Reliability of Single-phase PWM Inverters in Renewable Energy Applications," European Journal of Electrical Engineering and Computer Science, European Open Science, vol. 9(6), pages 80-87, November.
    • Handle: RePEc:epw:ejece0:v:9:y:2025:i:6:id:19767
    DOI: 10.24018/ejece.2025.9.6.19767
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