MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202421036807 A) filed by Tata Passenger Electric Mobility Limited, Maharashtra, on May 9, 2024, for 'method and system for controlling active short circuit in eletric motor drive of a vehicle.'

Inventor(s) include Senthilnathan Thangavelu; and Avdhesh Kumar Sharma.

The application for the patent was published on Nov. 14, under issue no. 46/2025.

According to the abstract released by the Intellectual Property India: "A method (200) and system (100) of controlling active short circuit (ASC) in electric motor drive (108) of a vehicle is disclosed. The system (100) includes a comparator (112) configured to compare a direct current (DC) bus voltage across the electric motor drive (108) with respect to a pre-defined threshold voltage. An ASC control circuit (102) is configured to transmit an ASC activation signal to a microcontroller unit (MCU) (110) based on the comparison by the comparator (112). The ASC control circuit (102) is further configured to generate a pulse signal based on a pre-defined non-linear voltage function for a controlled active short circuit of the electric motor drive (108) upon transmitting the ASC activation signal."

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