Seven-member IIT ISM team develops hybrid charging device for electric vehicles

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SUBHASH MISHRA

Dhanbad, September 24: IIT Indian School of Mines (ISM) Dhanbad has taken a new step in research by developing a hybrid charging device for electric vehicles.

A team of researchers from IIT’s Department of Electrical Engineering (ISM) under the leadership of Professor Pradip Kumar Sadhu has developed a system that would ensure vehicle charging under static and dynamic conditions.

Professor Sadhu said the unique quality of this model is that it can charge vehicles with renewable energy during the day when sunlight is available as well as during the night when sunlight is not available. available via electricity drawn from the power grid.

IIT ISM’s research is significant because it comes at a time when the lack of reliable, accessible and affordable commercial charging infrastructure is proving to be a barrier to the adoption of electric vehicles as a primary mode of on-road transportation.

The seven-member team from the Electrical Engineering Department (five faculty members and two M Tech students) studied the model in 30 months of hard work which began on February 17, 2020. IIT ISM funded the project.

Besides Professor Sadhu, Associate Professors Nitai Pal, Kartick, Chandra Jana and Arijit Baral; Assistant Professor Anirban Ghoshal, Researcher Anik Goswami and former M Tech student Sonal Mishra were members of the research team.

The team has already undergone lab-scale trials enabling vehicle charging via renewable energy sources, including solar and wind, and simultaneously enabling electric vehicle charging via electrical networks.

Elaborating on the benefits of the wireless charging system, Professor Sadhu said: “The new model of wireless charging system also allows the additional stored energy charged by the vehicle battery to be transferred to the grid and helps them to gain energy credits for the transferred energy to the grid which they can then use. »

Professor Sadhu further added that the transfer of additional power by the vehicle to the power grid can only take place when the vehicle travels the dedicated lane connected to the power grid. “In addition, the vehicle detection system is also developed in the laboratory to limit energy waste on the green energy highway and increase the component life,” he said.

Professor Nitai Pal said a wireless charging system has been developed to extend the range of electric vehicles to avoid frequent charging at charging stations. The Indian government is also focusing on replacing all traditional vehicles with electric vehicles by 2030.

Prof. Arijit Baral and Prof. Ghoshal said the system enables power transfer during the static and dynamic conditions of long-distance vehicle movement.

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