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All Journal International Journal of Applied Power Engineering (IJAPE)
Ahammad, Sk. Hasane
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Electrical & Electronics Engineering

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Solar-powered bidirectional charging of electric vehicle Karthik, Nachagari; Kallakunta, Ravi Kumar; Cheerla, Sreevardhan; Mohan, Kaja Krishna; Inthiyaz, Syed; Prakash, Nelaturi Nanda; Rajanna, Bodapati Venkata; Ahammad, Sk. Hasane
International Journal of Applied Power Engineering (IJAPE) Vol 14, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v14.i2.pp382-391

Abstract

Solar-powered bidirectional charging of an electric vehicle has three different modes of operation. The first mode of operation is “solar-powered electric vehicle charging” in which the vehicle is charged with solar energy. The second mode of operation is “grid-powered electric vehicle charging” which charges the vehicle in the absence of solar energy. The third mode of operation is “vehicle supplying to the grid” and in this mode, the vehicle energy is transferred back to the grid when there is demand to charge the other electric vehicles connected to the same grid. The system uses maximum power point tracking (MPPT) to improve power extraction from solar panels under standard test cell conditions, allowing for effective charging of electric cars. It also uses a proportional-integral (PI) controller to continually monitor the battery's state of charge (SOC). This controller modulates the duty cycle of pulse width modulation (PWM), which regulates the charging current. The charging system includes a buck-boost converter, which functions as a buck converter while supplying grid voltage to the vehicle, and a boost converter in supplying excess voltage of the vehicle to the grid. For three different modes of operation, the battery parameters such as voltage, current, and charging state are presented. The grid voltage and current are observed for the last two modes of operation.
Power quality enhancement for a grid connected wind turbine energy system with PMSG Rajasri, Kasula; Kiranbabu, Movva Naga Venkata; Raja, Banda Srinivas; Parvez, Muzammil; Reddy, Govulla Ravi Kumar; Prakash, Nelaturi Nanda; Ahammad, Sk. Hasane; Rajanna, Bodapati Venkata
International Journal of Applied Power Engineering (IJAPE) Vol 14, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v14.i2.pp392-400

Abstract

This project investigates the burgeoning potential of gearless wind turbine systems as a pivotal clean energy resource. Unlike conventional gearbox-based turbines, which grapple with issues like frequent breakdowns, intricate repairs, and prolonged downtimes, gearless systems present a suite of advantages. Chief among these is heightened reliability, diminished maintenance costs, and augmented efficiency. By circumventing the need for a gearbox, gearless turbines shed weight, bolster reliability, and demand less upkeep. The incorporation of permanent magnet generators further elevates their efficiency and renders them well-suited for offshore deployment. The emergence of gearless wind turbines heralds a promising frontier for effectively and efficiently harnessing wind power. Their streamlined design and robust performance potential position them as a transformative force in the renewable energy landscape, poised to catalyze substantial advancements towards sustainable energy goals. As research delves deeper into their capabilities and optimization, gearless turbines are poised to emerge as a cornerstone technology in the global pursuit of clean energy solutions.
Co-Authors Cheerla, Sreevardhan Inthiyaz, Syed Kallakunta, Ravi Kumar Karthik, Nachagari Kiranbabu, Movva Naga Venkata Mohan, Kaja Krishna Parvez, Muzammil Prakash, Nelaturi Nanda Raja, Banda Srinivas Rajanna, Bodapati Venkata Rajasri, Kasula Reddy, Govulla Ravi Kumar