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Pat. 11088655 United States, Int. Cl.22 H02S 40/32, H02J 3/01, H02J 3/38, H02M 3/335, H02M 7/48, H02M 7/49, H02M 7/797, H02M 1/00, H02M 3/24. Photovoltaic solid-state transformer, photovoltaic inverter system and bidirectional high-voltage converter : Appl. N 16/239256 : Filed 03.01.2019 : Pub. 10.08.2021 : / Jiacai Zhuang, Yilei Gu, Jun Xu, Xinyu Wang ; Assignee Sungrow Power Supply Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11088655/en?oq=US11088655.html (дата обращения: ДД.ММ.ГГГГ).