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公开(公告)号：US10411587B2
公开(公告)日：2019-09-10
申请号：US15840737
申请日：2017-12-13
Applicant: ABB Schweiz Ag
Inventor： Li Qi , Helen-Xing Huang , Xianyong Feng , Jiuping Pan
Abstract: Unique systems, methods, techniques and apparatuses of a DC fault isolation system are disclosed. One exemplary embodiment is a power conversion system comprising a converter including a midpoint connection structured to receive AC power, a first converter arm, a second converter arm, and a control system. The control system is configured to operate the converter a fault condition mode in response to a DC fault condition, wherein the fault condition mode operates at least one full bridge cell of the second converter arm so as to interrupt current flowing between the midpoint connection and the second DC bus rail and operates the first converter arm so as to allow the AC power to flow between the midpoint connection and the first DC bus rail in response to detecting the DC fault condition.
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公开(公告)号：US20180166972A1
公开(公告)日：2018-06-14
申请号：US15840737
申请日：2017-12-13
Applicant: ABB Schweiz Ag
Inventor： Li Qi , Helen-Xing Huang , Xianyong Feng , Jiuping Pan
CPC classification number: H02M1/32 , H02M1/08 , H02M7/219 , H02M7/483 , H02M2007/4835
Abstract: Unique systems, methods, techniques and apparatuses of a DC fault isolation system are disclosed. One exemplary embodiment is a power conversion system comprising a converter including a midpoint connection structured to receive AC power, a first converter arm, a second converter arm, and a control system. The control system is configured to operate the converter a fault condition mode in response to a DC fault condition, wherein the fault condition mode operates at least one full bridge cell of the second converter arm so as to interrupt current flowing between the midpoint connection and the second DC bus rail and operates the first converter arm so as to allow the AC power to flow between the midpoint connection and the first DC bus rail in response to detecting the DC fault condition.
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公开(公告)号：US10411475B2
公开(公告)日：2019-09-10
申请号：US15441690
申请日：2017-02-24
Applicant: ABB Schweiz AG
Inventor： Xianyong Feng
Abstract: Unique systems, methods, techniques and apparatuses for cloud-based control for power distribution systems are disclosed. One exemplary embodiment is a system comprising a microprocessor-based power management system in operative communication with a plurality of buildings located remotely from the power management system and a plurality of communication interface devices provided at corresponding ones of the plurality of buildings. The power management system is structured to perform a plurality of building unit-specific optimizations, evaluate a net power demand on the electrical power grid, reduce the net power demand on the electrical power grid while minimizing disruption to the resident-defined preference parameters, and transmit to each of the plurality of interface devices the one or more additional control commands corresponding to the specific building at which each interface device is provided.
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公开(公告)号：US20170250539A1
公开(公告)日：2017-08-31
申请号：US15441690
申请日：2017-02-24
Applicant: ABB Schweiz AG
Inventor： Xianyong Feng
CPC classification number: H02J3/383 , H02J13/0017 , H02J13/0075 , H02J2003/003 , Y02B10/14 , Y02B90/2653 , Y02E10/563 , Y02E40/72 , Y04S10/123 , Y04S40/126
Abstract: Unique systems, methods, techniques and apparatuses for cloud-based control for power distribution systems are disclosed. One exemplary embodiment is a system comprising a microprocessor-based power management system in operative communication with a plurality of buildings located remotely from the power management system and a plurality of communication interface devices provided at corresponding ones of the plurality of buildings. The power management system is structured to perform a plurality of building unit-specific optimizations, evaluate a net power demand on the electrical power grid, reduce the net power demand on the electrical power grid while minimizing disruption to the resident-defined preference parameters, and transmit to each of the plurality of interface devices the one or more additional control commands corresponding to the specific building at which each interface device is provided.
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