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Pat. 10742131 United States, Int. Cl.22 H02M 3/34, H02M 1/00. Medium-high voltage energy conversion system, and control method and controller therefor : Appl. N 16/527628 : Filed 31.07.2019 : Pub. 11.08.2020 : / Xinyu Wang, Jun Xu, Jiacai Zhuang, Yuqing Cui, Tengfei Wang ; Assignee Sungrow Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10742131/en?oq=US10742131.html (дата обращения: ДД.ММ.ГГГГ).