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Pat. 10148191 United States, Int. Cl.22 H02M 3/156, H02M 3/158, H02M 3/335, H02M 7/00, H02M 7/02, H02M 7/42, H02M 7/797, H02M 1/00. Bi-directional isolated power conversion device and power converting method : Appl. N 15/688850 : Filed 28.08.2017 : Pub. 04.12.2018 : / Chao Yan, Li-Ping Sun ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10148191/en?oq=US10148191.html (дата обращения: ДД.ММ.ГГГГ).