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    Volume 45, Issue 6 (November 2017)

    Special Issue Paper

    Performance Evaluation of PV Interfaced Z-Source-Network-Based Shunt Active Power Filter

    (Received 11 February 2016; accepted 21 September 2016)

    Published Online: 2017

    CODEN: JTEVAB

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    Abstract

    In this paper, a photovoltaic supported Z-source-inverter (ZSI)-based shunt active power filter (SAPF) is proposed for power-quality improvement. The topology has a voltage source inverter (VSI), which is connected in parallel with the point of common coupling (PCC), and is assisted by an impedance network. The Z-source network is really a distinct impedance network to facilitate interconnection between the photovoltaic (PV) power-generating system and VSI. The key features of ZSI can boost up the changeable dc voltage into any specified AC output voltage, decrease the components required, and mitigate harmonic content. The compensation capability of the SAPF mainly depends on the control scheme utilized to reference current generations. In addition, the control scheme decides a number of sensor essential and measurement practices; thus, it also estimates the cost of the topology. In this proposed system, second-order generalized integrator (SOGI) is employed to extract the reference current of SAPF. The SOGI-based control scheme uses only the measurement of the converter, and load current as the feedback signals therefore does not need voltage measurement and sensors. The proposed SAPF topology utilizes an alternative energy source having an energy storage unit to compensate the long-term current disturbances and voltage interruption and mete out the active power requirement of the utility grid. The PV-supported ZSI-based SAPF tested with various kinds of loads can examine the performance of the system under steady and dynamic state conditions. To verify the effectiveness of the proposed control scheme and PV-supported SAPF topology, the simulation and experimental results are presented.

    Author Information:

    Sellakumar, S.
    Dept. of Electrical and Electronics Engineering, Jeppiaar Engineering College, Chennai, Tamil Nadu

    Vijayakumar, M.
    JNTU Ananthapur Univ., Ananthapur, Andhra Pradesh


    Stock #: JTE20160260

    ISSN:0090-3973

    DOI: 10.1520/JTE20160260

    Author
    Title Performance Evaluation of PV Interfaced Z-Source-Network-Based Shunt Active Power Filter
    Symposium ,
    Committee E44