MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202641043524 A) filed by Pappula Sampath Kumar; Dr. K. Rajendra; Mr. Mutukuri Sivaramakrishna; Dr. Kolavennu Kamala Devi; Mr. M. Sandeep; Mr. M. Suresh Babu; Mr. K. K. V. Satyanarayana; and Mr. Ch. Lava Kumar, Bapatla, Andhra Pradesh, on April 6, for 'performance evaluation of a multifunctional integrated dc-dc converter for electric vehicles..'
Inventor(s) include Dr. K. Rajendra; Dr. Pappula Sampath Kumar; Mr. Mutukuri Sivaramakrishna; Dr. Kolavennu Kamala Devi; Mr. M. Sandeep; Mr. M. Suresh Babu; Mr. K. K. V. Satyanarayana; and Mr. Ch. Lava Kumar.
The application for the patent was published on April 17, under issue no. 16/2026.
According to the abstract released by the Intellectual Property India: "Electric vehicles have been rapidly gaining prominence as a viable, more environmentally friendly alternative to conventional internal combustion engine cars. One of the key challenges associated with the design of EVs is the management of the power conversion process between the electrical grid, the high-voltage battery, and the auxiliary battery. In conventional EVs, two converters, one each for onboard charging (OBC) and low voltage DC-DC conversion (LDC), are used. This paper proposes a Multifunctional Integrated DC-DC Converter that is capable of replacing both the onboard charging converter and the low-voltage DC-DC converter with a single converter. The proposed converter is capable of handling the functions of the onboard charging converter as well as the low-voltage DC-DC converter. In addition, the proposed converter can perform the functions of a vehicle-to-grid converter. MATLAB/Simulink is used to simulate the performance of the proposed converter under a variety of operating conditions. Simulation results show that the proposed converter is more efficient compared to the conventional integrated converter."
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