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公开(公告)号：EP4387081A3
公开(公告)日：2024-09-18
申请号：EP23216434.3
申请日：2023-12-13
CPC分类号： H02P7/29 , H02P25/08 , H01H47/325 , H02M1/08
摘要： A system includes a two-switch H-bridge topology, which has a first switch (Q1) with a first gate drive (104) connected to control on and off states of the first switch. A second switch (Q2) has a second gate drive (106) connected to control on and off states of the second switch. An exciter winding is connected from a first node between the first switch and a second flyback diode to a second node between a first flyback diode and the second switch. A controller (116) is connected to control the first gate drive and the second gate drive in a mode wherein the first switch is always on while the second cycles as a duty-cycle-controlled switch element for the exciter winding.
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公开(公告)号：EP4387081A2
公开(公告)日：2024-06-19
申请号：EP23216434.3
申请日：2023-12-13
CPC分类号： H02P7/29 , H02P25/08 , H01H47/325 , H02M1/08
摘要： A system includes a two-switch H-bridge topology, which has a first switch (Q1) with a first gate drive (104) connected to control on and off states of the first switch. A second switch (Q2) has a second gate drive (106) connected to control on and off states of the second switch. An exciter winding is connected from a first node between the first switch and a second flyback diode to a second node between a first flyback diode and the second switch. A controller (116) is connected to control the first gate drive and the second gate drive in a mode wherein the first switch is always on while the second cycles as a duty-cycle-controlled switch element for the exciter winding.
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