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Pat. 11469692 United States, Int. Cl.22 H02P 6/22, H02M 7/155, H02M 7/525, H02P 6/17, H02P 6/28, H02P 7/29, H02P 21/22, H02P 25/026. Thyristor starter : Appl. N 16/970533 : Filed 19.02.2018 : Pub. 11.10.2022 : / Hironori Kawaguchi, Hiroshi Ogino, Yasuaki Matsumoto, Akinobu Ando ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11469692/en?oq=US11469692.html (дата обращения: ДД.ММ.ГГГГ).