MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202641097026 A) filed by National Institute Of Technology-Warangal on August 11, 2026, for An Ultra-Gain Cubic Power Converter For Energy Storage Systems.
Inventors include Ramulu Chinthamalla; Kuraganti Manikanta; Kiran R; and B Venugopal Reddy.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: Title: AN ULTRA-GAIN CUBIC POWER CONVERTER FOR ENERGY STORAGE SYSTEMS The present invention relates to an Ultra Gain Cubic (UGC) DC-DC converter (100) for converting a low input DC voltage into a high output DC voltage. The converter (100) comprises an input terminal (102), an output terminal (104), a first inductor (L1), a second inductor (L2), and a third inductor (L3), a first capacitor (C1), a second capacitor (C2), and a third capacitor (C3), a first diode (D1), a second diode (D2), a third diode (D3), a fourth diode (D4), and a fifth diode (D5), and a switching device (Q) interconnected to form a non-isolated converter topology. The switching device (Q) alternately stores energy in the inductors (L1-L3) and transfers the stored energy through the capacitors (C1-C3) and the diodes (D1-D5) to the output terminal (104), thereby providing an ultra-high cubic voltage gain. The converter (100) employs a single-switch configuration without forming transformers or coupled inductors, thereby reducing circuit complexity, switching losses, and component count. Further, the converter (100) provides continuous input current, continuous output current, a common-ground configuration, improved voltage regulation, reduced electromagnetic interference (EMI), and high conversion efficiency, making the converter suitable for renewable energy systems, battery-powered devices, fuel cells, and other high-gain DC power conversion applications.
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