Modelling and Analysis of the Reliability of a PhotoVoltaic (PV) Inverter

Amirali Davoodi, Saeed Peyghami, Yongheng Yang, Tomislav Dragicevic, Frede Blaabjerg

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    Abstract

    In this paper, analytical equations are employed for electro-thermal modelling of a PhotoVoltaic (PV) inverter. This approach results in significantly faster reliability modelling, which is suitable for iterative design and analysis of large-scale systems. Next, considering the mission profiles, reliability metrics of the inverter are extracted for a case study system. Afterwards, the system reliability performance is characterized in terms of input power, switching frequency, and DC-link voltage of the inverter. Subsequently, by using this information, solutions are proposed to improve the inverter reliability and meet the intended requirements. In addition, the impact of the grid on inverter reliability is discussed.
    Original languageEnglish
    Title of host publicationProceedings of 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems
    PublisherIEEE
    Publication date2020
    Pages297-303
    ISBN (Print)9781728169903
    DOIs
    Publication statusPublished - 2020
    Event2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems - Virtual event, Dubrovnik, Croatia
    Duration: 28 Sept 20201 Oct 2020
    https://ieeexplore.ieee.org/xpl/conhome/9244275/proceeding

    Conference

    Conference2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems
    LocationVirtual event
    Country/TerritoryCroatia
    CityDubrovnik
    Period28/09/202001/10/2020
    Internet address

    Keywords

    • Reliability
    • PhotoVoltaic (PV) Inverter
    • Design for Reliability
    • Power Electronics

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