MUMBAI, India, Nov. 28 -- Intellectual Property India has published a patent application (202531111434 A) filed by National Institute Of Technology, Patna, Bihar, on Nov. 14, for 'seven level switched capacitor multi-level inverter for photovoltaic grid.'
Inventor(s) include Kumar, Vinayak; and Agarwal, Ruchi.
The application for the patent was published on Nov. 28, under issue no. 48/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a seven level switched capacitor multi-level inverter (7L-SCMLI) (100) for generating an alternating current/ voltage waveform for a photovoltaic grid (120). The 7L-SCMLI (100) comprises of a DC source (110) configured to supply a constant voltage to the 7L-SCMLI (100), a plurality of capacitors (C1, C2) and diodes (D1, D2) and a plurality of switches (T1 - T10) configured to operate in a plurality of modes (like first, second, third, fourth, fifth, sixth, seventh and eight mode) along with the plurality of diodes (D1, D2) and the plurality of capacitors (C1, C2). The alternating current/ voltage waveform of seven-level is generated by activating the plurality of modes periodically in a chronological order. The 7L-SCMLI (100) offers reduced component count, switching losses, voltage stress and maximum standing wave with high performance efficiency."
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