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公开(公告)号:US09906219B2
公开(公告)日:2018-02-27
申请号:US14713350
申请日:2015-05-15
Applicant: Control Techniques Limited
IPC: H02J7/00 , H03K17/567 , H02M1/36 , H02J7/34
CPC classification number: H03K17/567 , H02J7/0081 , H02J7/345 , H02M1/36 , H02M2001/322 , Y10T307/747
Abstract: An energy bypass circuit for connection between an energy source and a capacitance has first and second relays, a switch, and a resistance. The relays are operable so as to have a first state in which the energy source is not connected to the capacitance, a second state in which the energy source is connected to the capacitance via the resistance, and a third state in which the energy source is connected to the capacitance not via the resistance. The switch is operable, when the relays are in the third state, to enable additional charge stored by the capacitance to discharge via the resistance.