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A STC-DAB converter for PV–EV battery-based hybrid system with a unified power management scheme in a grid-integrated and islanded condition

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Abstract

The idea of achieving zero-carbon emissions in the transportation sector through microgrid-based charging increases green electrification, fostering sustainable development with renewable energy sources (RES). Integrating solar photovoltaic (SPV) systems into residential grids presents challenges such as unpredictable solar power generation, electric vehicle (EV) charging fluctuations, and grid synchronization issues during faults. The current solutions face problems like irregular current patterns during high EV demand, inefficient charge/discharge management, and difficulty transitioning between modes, particularly with nonlinear loads. The proposed system offers the integration of an advanced energy management scheme (EMS) to optimize solar energy utilization and enhance grid stability. A unique model of Scott transformer connection-based dual active bridge (STC-DAB) converter topology is incorporated for bidirectional power flow from the battery energy storage (BES) system. The system also features innovative grid synchronization technology during abnormal grid conditions. An adaptive EMS ensures a stable power supply to EV and emergency loads, enhancing adaptability in grid tied mode (GTM) and stand-alone mode (SAM), even in fluctuating irradiation conditions. The proposed system surpasses traditional approaches by providing enhanced reliability through continuous power supply to BES and residential loads, ensuring stability even in challenging conditions. The system offers a reliable and sustainable power management solution.

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Funding

The authors express gratitude to IIT Bhilai for their support through RIG grant with reference IITBHILAI/D/2994 for this research.

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Authors and Affiliations

  1. Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, 395007, India

    Kalash Srivastava & Rakesh Maurya

  2. Indian Institute of Technology Bhilai, Chhattisgarh, India

    Shailendra Kumar

Authors
  1. Kalash Srivastava
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  2. Rakesh Maurya
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  3. Shailendra Kumar
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Contributions

Kalash Srivastava was involved in conceptualization, methodology, software, and writing—original draft. Rakesh Maurya was responsible for writing—reviewing and editing, visualization, and supervision. Shailendra Kumar contributed to writing—reviewing and editing and supervision.

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Correspondence to Rakesh Maurya.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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This research is not related to the human as well as animal studies. The only three authors have contributed to develop this manuscript.

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Srivastava, K., Maurya, R. & Kumar, S. A STC-DAB converter for PV–EV battery-based hybrid system with a unified power management scheme in a grid-integrated and islanded condition. Electr Eng (2024). https://doi.org/10.1007/s00202-023-02190-x

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