BITS Faculty Publications

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Author: search.filters.author.Mathur, Hitesh DattSubject: search.filters.subject.Solar PV

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    A Single-Phase Grid-Tied Converter System Integrating Solar PV, Battery and Compensating Power Quality
    (IEEE, 2023) Patel, Ashish; Yadav, Sisir Kumar; Mathur, Hitesh Datt
    Single-phase inverters integrating battery storage and renewable energy sources are becoming popular among resi-dential electricity consumers because of the need for reliable and quality power, pollution reduction, and savings in electricity costs. Gird-connected inverters have a multi-mode operation and are preferable over isolated ones, but their high complexity and cost are a concern. Battery integration with such inverters requires a high-voltage battery bank, which increases the cost further. Also, most single-phase grid-tied inverters don't support power quality compensation. This paper proposes an integrated power converter system forming a single-phase home grid, addressing the above-mentioned issues. The proposed approach integrates a low-voltage battery (48V) at the DC link of the grid-tied inverter using a high-gain bidirectional converter. It also enhances the capability of the single-phase grid-tied inverter to compensate for the power quality issues such as reactive power and non-linear current of the load. The proposed system is validated using MATLAB/Simulink simulation.
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    Digital Twin of a Single-Phase Home Converter System Integrating Distributed Energy Resources
    (IEEE, 2024-02) Patel, Ashish; Yadav, Sisir Kumar; Mathur, Hitesh Datt
    A digital twin (DT) is a digital representation of a physical entity or process that closely emulates the behavior of its real counterpart and is strongly connected to the real entity through data exchange links. DT technology is widely applied to various areas like smart cities, industrial automation, equipment design, manufacturing, and the automotive industry. Such applications are intended for improved design, operation, control, and maintenance of the real entity whose digital twin is prepared. Power Electronics applications heavily rely on digital electronics to model, simulate, and control the power converters. Such applications can immensely benefit from DT technology, but such applications in power converters are nascent. This paper presents a digital twin of a single-phase home inverter connected to a battery, AC load, and the grid. The inverter supplies power to the connected load in two modes- battery mode and grid mode. The digital twin of the inverter, implemented in Opal-RT, emulates the actual behavior of the hardware counterpart in both modes.