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公开(公告)号:US20220103549A1
公开(公告)日:2022-03-31
申请号:US17037145
申请日:2020-09-29
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Matthew L. White , Richard K. Weiler , Alan E. Freeman
Abstract: A computer-implemented method is provided to automatically adjust a device setting of a plurality of networked devices. The method includes performing autonomously at a device of the plurality of networked devices, receiving a request to update a device setting to a new value, comparing a characteristic of the plurality of networked devices to a corresponding characteristic of the device, determining one or more similar devices of the plurality of devices that satisfy a similarity criteria based on a result of the comparison, and accessing the one or more similar devices to change the device setting of the one or more similar devices to the new value.
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公开(公告)号:US09889760B2
公开(公告)日:2018-02-13
申请号:US15034196
申请日:2013-12-06
Applicant: SCHNEIDER ELECTRIC USA, INC.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L. White , Konstantin A. Filippenko , Richard K. Weiler
CPC classification number: B60L11/1844 , B60L11/1809 , B60L11/184 , B60L11/185 , G06Q10/06312 , H02J7/0027 , H02J7/007 , Y02E60/721 , Y02T10/7005 , Y02T10/7055 , Y02T10/7072 , Y02T90/121 , Y02T90/128 , Y02T90/14 , Y02T90/16 , Y02T90/163 , Y02T90/169 , Y04S10/126 , Y04S30/14
Abstract: A distributed energy management method and system 100 are disclosed for managing a charge rate of an array of EVSEs 140 that share a common power source. In the disclosed method and system, control of the power sharing is distributed at the individual EVSE level. For example, each EVSE includes a communication device 540 and a controller 530. The communication device is used to receive a signal relating to a present current capacity utilization of the shared circuit, such as an indication of availability or unavailability of current capacity on the shared circuit. The controller is configured to generate a variable update interval, and initiate adjustment of the charge rate of the EVSE according to the variable update interval based on the present current capacity utilization as indicated by the received signal.
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公开(公告)号:US12005801B2
公开(公告)日:2024-06-11
申请号:US17892565
申请日:2022-08-22
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L White , Konstantin A. Filippenko , Richard K. Weiler
CPC classification number: B60L53/63 , B60L50/60 , B60L53/67 , H02J3/26 , H02J7/0013 , H02J2310/48
Abstract: A method, apparatus and computer program product resolve the problem of unbalanced loads in an EVSE cluster of multiple EVSE charging stations. A signal is provided to the EVSEs identifying which phase of the three-phase power source has the highest current. When one of the EVSEs in the cluster determines whether it is connected to an EV's on board charging device, determines whether it is already charging the connected EV, and determines whether the EVSE is using the phase that has the highest current, then the EVSE may transmit a cluster load balancing control signal as a control pilot signal to the EV's onboard charging device to adjust the charging rate of the current that the EV is consuming from the EVSE.
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公开(公告)号:US11447027B2
公开(公告)日:2022-09-20
申请号:US16516580
申请日:2019-07-19
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L. White , Konstantin A. Filippenko , Richard K. Weiler
Abstract: A method, apparatus and computer program product resolve the problem of unbalanced loads in an EVSE cluster of multiple EVSE charging stations. A signal is provided to the EVSEs identifying which phase of the three-phase power source has the highest current. When one of the EVSEs in the cluster determines whether it is connected to an EV's on board charging device, determines whether it is already charging the connected EV, and determines whether the EVSE is using the phase that has the highest current, then the EVSE may transmit a cluster load balancing control signal as a control pilot signal to the EV's onboard charging device to adjust the charging rate of the current that the EV is consuming from the EVSE.
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公开(公告)号:US09707850B2
公开(公告)日:2017-07-18
申请号:US14546334
申请日:2014-11-18
Applicant: SCHNEIDER ELECTRIC USA, INC.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L. White , Konstantin A. Filippenko , Richard K. Weiler
CPC classification number: B60L11/1816 , B60L3/00 , B60L3/04 , B60L11/1809 , B60L11/1818 , B60L11/1824 , B60L2230/12 , B60L2240/36 , H02H3/023 , H02H5/04 , Y02T10/7005 , Y02T10/7088 , Y02T90/121 , Y02T90/14
Abstract: A temperature sensor 120 automatically shuts down charging operations in response to a temperature increase in a charging handle 150 of an electric vehicle charging station 100. The temperature sensor is connected between a ground conductor and a high voltage conductor L1 in the charging handle. The charging handle includes a return conductor L2/N. The temperature sensor includes a thermistor R1-NTC that changes its resistance in response to an increase in temperature in the charging handle. A portion of current in the high voltage conductor is diverted to the ground conductor, instead of the return conductor, in response to the thermistor sensing a temperature increase, thereby causing a ground fault detector 160 to trip in the charging station.
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公开(公告)号:US11333690B2
公开(公告)日:2022-05-17
申请号:US16715573
申请日:2019-12-16
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Richard K. Weiler , Alan E. Freeman
IPC: G01R19/25
Abstract: A measurement module uses harmonic compensation factors to minimize the effects of harmonic distortion in measurements of a source current by a current sensor of the module. The module samples at a first sampling rate, measurements of the source current to generate a first current measurement. The module samples at a second sampling rate higher than the first sampling rate, for an interval of time, measurements of the source current to generate a second current measurement. The module determines a harmonic compensation factor based, at least, on a difference between the first current measurement and the second current measurement. The module determines a reported current computed as a function of at least the first current measurement, the difference between the first current measurement and the second current measurement, and the harmonic compensation factor. The reported current represents a magnitude of the source current adjusted by the harmonic compensation factor.
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公开(公告)号:US09975443B2
公开(公告)日:2018-05-22
申请号:US14898885
申请日:2013-06-24
Applicant: SCHNEIDER ELECTRIC USA, INC.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L. White , Konstantin A. Filippenko , Richard K. Weiler
CPC classification number: B60L11/1825 , B60L11/1816 , B60L11/1818 , B60L2230/12 , H01H3/16 , H02G3/0493 , H02G11/02 , Y02T10/7005 , Y02T10/7094 , Y02T90/121 , Y02T90/128 , Y02T90/14
Abstract: A cable reel assembly in an electric vehicle supply equipment (EVSE) having a reel around which a cable is coiled. A shaft supporting the reel bears discs that rotate with the reel, and calipers coupled to the discs stop them and the reel from rotating. The power L1 and L2 conductors in the cable are electrically connected to the discs, and the calipers are electrically connected to the power source for the EVSE so that the calipers provide mechanical and electrical connection when actuated. Optionally, slip rings coupled to the shaft are connected to the control pilot and proximity signal conductors in the cable. Thus, during cable re traction, the control pilot and proximity signals are still provided to the EVSE, but the power conductors are decoupled from the power source. Only when the calipers are actuated to brake the discs is current flow permitted.
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公开(公告)号:US20170047869A1
公开(公告)日:2017-02-16
申请号:US14822675
申请日:2015-08-10
Applicant: SCHNEIDER ELECTRIC USA, INC.
Inventor: Benjamin W. Edwards , Kevin M. Jeffries , Richard K. Weiler
IPC: H02P1/26
Abstract: Method and system for protecting induction motors from stalled start conditions provide a motor overload protection device that includes a stalled start detector capable of differentiating long start from stalled start conditions. This helps the motor overload protection device identify a stalled start condition right away and trip immediately rather than allowing the motor to continue drawing locked rotor current for the duration of the startup interval. Such a motor overload protection device may be used with any suitable multiphase induction motors, including two-phase motors, three phase motors, and the like. And because only the motor phase currents are used to detect the stalled start condition, the motor overload protection device disclosed herein does not require voltage phase shift information and/or motor speed measurements, thereby simplifying overall management of the motor.
Abstract translation: 用于保护感应电机免于停止起动条件的方法和系统提供了一种电动机过载保护装置,其包括一个停止的启动检测器,能够将起动时间从停止的启动条件区分开来。 这有助于电机过载保护装置立即识别出停止的启动条件,并立即跳闸,而不是允许电机在启动间隔期间继续拉动锁定的转子电流。 这种电动机过载保护装置可以与任何合适的多相感应电动机一起使用,包括两相电动机,三相电动机等。 并且,由于仅使用电动机相电流来检测停止的起动条件,因此本文公开的电动机过载保护装置不需要电压相移信息和/或电动机速度测量,从而简化了电动机的总体管理。
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公开(公告)号:US11353485B2
公开(公告)日:2022-06-07
申请号:US16787278
申请日:2020-02-11
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Matthew L. White , Benjamin W. Edwards , Richard K. Weiler , Alan E. Freeman
Abstract: A measurement module receives a defined system topology and system component characteristics information for a system. The measurement module calculates an expected system impedance for the defined system topology. The measurement module collects one or more impedance measurements using a high frequency voltage stimulus. Finally, the measurement module compares the one or more impedance measurements with the expected system impedance to determine adequacy of protective grounding of the system.
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公开(公告)号:US10985550B1
公开(公告)日:2021-04-20
申请号:US16654205
申请日:2019-10-16
Applicant: Schneider Electric USA, Inc.
Inventor: Kevin M. Jefferies , Benjamin W. Edwards , Matthew L. White , Alan E. Freeman , Richard K. Weiler
Abstract: A progressive protection method automatically adapts a protection trip delay or fault timeout for a motor that is a member of a group of motors performing mutually similar or related tasks, based on the occurrence of a fault in another motor within the group, without requiring manual intervention. If the user requires stringent protection of the motors in a particular application, then the trip delay time for all of the motors in the group, may be shortened in response to recently-detected similar trips of other motors within the group. Alternatively, if the user prefers continuity of service for a particular application, then the trip delay time for all of the motors in the group, may be increased in response to recently-detected similar trips of other motors within the group, based on past experience with the occurrence of fault self-clearing for the motors in the group.
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