MUMBAI, India, June 16 -- Intellectual Property India has published a patent application (202611053337 A) filed by Indian Institute Of Technology, Roorkee, Uttarakhand, on April 27, for 'single-stage solid-state transformer for ac-dc loads.'
Inventor(s) include Yadav, Rupesh Kumar; and Pathak, Mukesh Kumar.
The application for the patent was published on June 5, under issue no. 23/2026.
According to the abstract released by the Intellectual Property India: "The present disclosure provides a system (102A) and method (700) for a single-stage solid-state transformer for high step-down AC to DC power conversion. The system (102A) incorporates a single-phase PFC at the input stage (102) configured to receive an alternating current (AC) input voltage and generate a rectified direct current (DC) voltage. The system (102A) incorporates a primary conversion stage (103) coupled to the input rectifier stage (102), the primary conversion stage (103) comprising a split-capacitor active bridge (SCAB) to generate a high-frequency alternating voltage. The system (102A) incorporates a high-frequency transformer (104) coupled to the primary conversion stage (103) for transferring the high-frequency alternating voltage. The L-L-type current-doubler rectifier (102A) includes a secondary conversion stage (105) coupled the high-frequency transformer (104), the secondary conversion stage (105) to generate a low-voltage high-current DC output."
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