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A New Hybrid Multilevel Inverter Topology with Reduced Switch Count and dc Voltage Sources

Author

Listed:
  • Hussain Mohammad Bassi

    (Department of Electrical Engineering at Rabigh, King Abdulaziz University, Jeddah 25732, Saudi Arabia)

  • Zainal Salam

    (Centre of Electrical Energy Systems, Department of Electrical Power Engineering, Universiti Teknologi Malaysia, 81310 Johor Bahru, Malaysia)

Abstract

In this paper, a new single-phase hybrid multilevel inverter (MLI) is proposed. Compared to other existing MLI topologies, the proposed circuit is capable of producing a higher number of output voltage levels using fewer power switches and dc sources. The levels are synthesized by switching the dc voltage sources in series/parallel combinations. An auxiliary circuit is introduced to double the number of levels by creating an intermediate step in between two levels. In addition, a zero level is introduced to overcome the inherent absence of this level in the original circuit. To improve the total harmonic distortion, a hybrid modulation technique is utilized. The operation and performance of the circuit are analyzed and confirmed using MATLAB/Simulink simulation. To validate the workability of the proposed idea, a 300 W, a thirteen level MLI (including the zero level) is designed and constructed. The circuit is tested with a no-load, resistive load and resistive-inductive load. The experimental results match very closely with the simulation and mathematical analysis.

Suggested Citation

  • Hussain Mohammad Bassi & Zainal Salam, 2019. "A New Hybrid Multilevel Inverter Topology with Reduced Switch Count and dc Voltage Sources," Energies, MDPI, vol. 12(6), pages 1-15, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:6:p:977-:d:213557
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    References listed on IDEAS

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    1. Jianzhong Zhang & Shuai Xu & Zakiud Din & Xing Hu, 2019. "Hybrid Multilevel Converters: Topologies, Evolutions and Verifications," Energies, MDPI, vol. 12(4), pages 1-29, February.
    2. Saddam Shueai Alnamer & Saad Mekhilef & Hazlie Bin Mokhlis, 2018. "A Four-Level T-Type Neutral Point Piloted Inverter for Solar Energy Applications," Energies, MDPI, vol. 11(6), pages 1-14, June.
    3. Nataraj Prabaharan & V. Arun & Padmanaban Sanjeevikumar & Lucian Mihet-Popa & Frede Blaabjerg, 2018. "Reconfiguration of a Multilevel Inverter with Trapezoidal Pulse Width Modulation," Energies, MDPI, vol. 11(8), pages 1-18, August.
    4. Kennedy Adinbo Aganah & Cristopher Luciano & Mandoye Ndoye & Gregory Murphy, 2018. "New Switched-Dual-Source Multilevel Inverter for Symmetrical and Asymmetrical Operation," Energies, MDPI, vol. 11(4), pages 1-13, April.
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    Cited by:

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    2. Muhammad Yasir Ali Khan & Haoming Liu & Zhihao Yang & Xiaoling Yuan, 2020. "A Comprehensive Review on Grid Connected Photovoltaic Inverters, Their Modulation Techniques, and Control Strategies," Energies, MDPI, vol. 13(16), pages 1-40, August.
    3. Ali Bughneda & Mohamed Salem & Anna Richelli & Dahaman Ishak & Salah Alatai, 2021. "Review of Multilevel Inverters for PV Energy System Applications," Energies, MDPI, vol. 14(6), pages 1-23, March.
    4. Sathyavani Bandela & Tara Kalyani Sandipamu & Hari Priya Vemuganti & Shriram S. Rangarajan & E. Randolph Collins & Tomonobu Senjyu, 2023. "An Efficacious Modulation Gambit Using Fewer Switches in a Multilevel Inverter," Sustainability, MDPI, vol. 15(4), pages 1-21, February.
    5. Kommoju Naga Durga Veera Sai Eswar & Mohan Arun Noyal Doss & Pradeep Vishnuram & Ali Selim & Mohit Bajaj & Hossam Kotb & Salah Kamel, 2022. "Comprehensive Study on Reduced DC Source Count: Multilevel Inverters and Its Design Topologies," Energies, MDPI, vol. 16(1), pages 1-25, December.
    6. Madhu Andela & Ahmmadhussain Shaik & Saicharan Beemagoni & Vishal Kurimilla & Rajagopal Veramalla & Amritha Kodakkal & Surender Reddy Salkuti, 2022. "Solar Photovoltaic System-Based Reduced Switch Multilevel Inverter for Improved Power Quality," Clean Technol., MDPI, vol. 4(1), pages 1-13, January.
    7. Muhyaddin Rawa & Marif Daula Siddique & Saad Mekhilef & Noraisyah Mohamed Shah & Hussain Bassi & Mehdi Seyedmahmoudian & Ben Horan & Alex Stojcevski, 2019. "Design and Implementation of a Hybrid Single T-Type Double H-Bridge Multilevel Inverter (STDH-MLI) Topology," Energies, MDPI, vol. 12(9), pages 1-15, May.

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