Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings

Research Article

A Buck-Boost Multilevel Inverter for PV Systems in Smart Cities

  • @INPROCEEDINGS{10.1007/978-3-319-74176-5_26,
        author={Anh-Vu Ho and Tae-Won Chun},
        title={A Buck-Boost Multilevel Inverter for PV Systems in Smart Cities},
        proceedings={Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings},
        proceedings_a={INISCOM},
        year={2018},
        month={1},
        keywords={Multilevel inverters Quasi-Z-source inverter Boost control method Pulse width modulation (PWM)},
        doi={10.1007/978-3-319-74176-5_26}
    }
    
  • Anh-Vu Ho
    Tae-Won Chun
    Year: 2018
    A Buck-Boost Multilevel Inverter for PV Systems in Smart Cities
    INISCOM
    Springer
    DOI: 10.1007/978-3-319-74176-5_26
Anh-Vu Ho1,*, Tae-Won Chun2,*
  • 1: Eastern International University
  • 2: University of Ulsan
*Contact email: vu.ho@eiu.edu.vn, twchun@mail.ulsan.ac.kr

Abstract

This paper proposes a new buck-boost multilevel inverter topology, which is named as a hybrid quasi-Z-source network multilevel inverter, for photovoltaic systems in smart cities. This topology employs an impedance source network and a high frequency three-level switching unit connected to the low frequency single phase inverter. In comparison with other quasi-Z-source network multilevel inverter topologies, the proposed topology uses a lower number of circuit components and more reliable operation. In addition, an effective modulation technique based on phase-shifted disposition scheme is introduced to control the shoot-through state for both boost and buck states of the output voltage. The operating principle of the proposed topology is analyzed in detail. Both simulation and experimental results are carried out to validate the performance of the proposed topology.