Библиографическая ссылка на патент
Pat. 11223291 United States, Int. Cl.22 H02M 1/32, H02M 3/335, H02M 7/487. Bipolar bidirectional DC converter, and control method and control device therefor : Appl. N 17/268536 : Filed 15.08.2019 : Pub. 11.01.2022 : / Chen Xie, Zhongfeng Zhang, Jie Tian, Yeyuan Xie, Haiying Li, Yu Wang, Jian Ge ; Assignee Nr Electric Co Ltd, Nr Engineering Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11223291/en?oq=US11223291.html (дата обращения: ДД.ММ.ГГГГ).