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公开(公告)号：US20170133858A1
公开(公告)日：2017-05-11
申请号：US14935725
申请日：2015-11-09
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Yan Pan , Martin Samuel Butcher , Dong Dong , Martin Richard Ingles , Christof Martin Sihler , Ara Panosyan
CPC classification number: H02J3/386 , H02J3/36 , H02J5/00 , H02J11/00 , H02M3/04 , H02M7/04 , Y02E60/60
Abstract: A power system for offshore application includes a plurality of power circuits. Each of the power circuit includes an alternating current (AC) bus which supplies power to an auxiliary load and is connected to a generator. The power circuit further includes a first direct current (DC) bus having a first DC voltage supplying power to a first load and a second DC bus having a second DC voltage supplying power to a second load. The power circuit also includes a first DC to DC converter coupled between the first DC bus and the second DC bus, wherein the first DC to DC converter is configured for bidirectional power flow and an AC to DC converter coupled between the AC bus and the first DC bus. The first DC bus of at least one power circuit is coupled to the second DC bus of at least another power circuit with a second DC to DC converter. The system also includes a controller configured to control the operation of the first DC to DC converter, second DC to DC converter and the AC to DC converter for regulating the first and second DC voltages. The controller is further configured to provide power to the second DC bus from the at least one AC to DC converter during a first operating state and from the first DC to DC converter during a second operating state.
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公开(公告)号：US10008856B2
公开(公告)日：2018-06-26
申请号：US14935725
申请日：2015-11-09
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Yan Pan , Martin Samuel Butcher , Dong Dong , Martin Richard Ingles , Christof Martin Sihler , Ara Panosyan
CPC classification number: H02J3/386 , H02J3/36 , H02J5/00 , H02J11/00 , H02M3/04 , H02M7/04 , Y02E60/60
Abstract: A power system for offshore application includes a plurality of power circuits. Each of the power circuit includes an alternating current (AC) bus which supplies power to an auxiliary load and is connected to a generator. The power circuit further includes a first direct current (DC) bus having a first DC voltage supplying power to a first load and a second DC bus having a second DC voltage supplying power to a second load. The power circuit also includes a first DC to DC converter coupled between the first DC bus and the second DC bus, wherein the first DC to DC converter is configured for bidirectional power flow and an AC to DC converter coupled between the AC bus and the first DC bus. The first DC bus of at least one power circuit is coupled to the second DC bus of at least another power circuit with a second DC to DC converter. The system also includes a controller configured to control the operation of the first DC to DC converter, second DC to DC converter and the AC to DC converter for regulating the first and second DC voltages. The controller is further configured to provide power to the second DC bus from the at least one AC to DC converter during a first operating state and from the first DC to DC converter during a second operating state.
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