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公开(公告)号：US20230131143A1
公开(公告)日：2023-04-27
申请号：US17452285
申请日：2021-10-26
发明人： Richard Morrison , Phelim Bradley
摘要： A power converter a transformer, a switching bridge circuit, a resonant tank circuit, an output rectifier, and a controller. The switching bridge circuit a plurality of switches, each switch controllable into a conduction mode and into a non-conduction mode. The controller is configured to control the plurality of switches based on a series of phase shift modulation switching cycles, each cycle comprising a control period and a delay period. During the control period, the controller causes the conduction mode of each switch of the plurality of switches to overlap a portion of each conduction mode of two other switches. During the delay period, the controller controls all of the switches into non-conduction modes overlapping in time.
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公开(公告)号：US11664717B2
公开(公告)日：2023-05-30
申请号：US17452285
申请日：2021-10-26
发明人： Richard Morrison , Phelim Bradley
CPC分类号： H02M1/0043 , H02M3/01 , H02M3/33573 , H02M1/4241
摘要： A power converter includes a transformer, a switching bridge circuit, a resonant tank circuit, an output rectifier, and a controller. The switching bridge circuit includes a plurality of switches, each switch controllable into a conduction mode and into a non-conduction mode. The controller is configured to control the plurality of switches based on a series of phase shift modulation switching cycles, each cycle comprising a control period and a delay period. During the control period, the controller causes the conduction mode of each switch of the plurality of switches to overlap a portion of each conduction mode of two other switches. During the delay period, the controller controls all of the switches into non-conduction modes overlapping in time.
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