MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202641035155 A) filed by Dr. Kaligotla Vsh Gayatri Sarman, Eluru, Andhra Pradesh, on March 23, for 'controlling operation of multi-phase induction motors.'
Inventor(s) include Kaligotla Shesha Varalakshmi; Dr. Kaligotla Vsh Gayatri Sarman; and Dr. Kaligotla Vsh Gayatri Sarman.
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: "The present disclosure relates to an apparatus (102) for controlling operation of a multi-phase induction motor (104). The apparatus (102) includes a circuit configured to selectively connect a power source (106) to the motor (104). The circuit includes a power supply (108) configured to derive regulated DC voltage levels from the power source (106), a resistor network (110) configured to generate voltage signals indicative of relative voltage magnitudes of each phase, a controller (112) configured to determine availability of each phase based on the voltage signals, and a contactor (114) controlled by the controller (112). The controller (112) causes actuation of the contactor (114) to supply power to the motor (104) when each phase is available. The controller (112) further detects overload and dry-run conditions based on a motor current signal and controls the contactor (114) to disconnect power in response to detected fault conditions."
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