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    Monitoring device, monitoring system, monitoring method, correction information generation device, correction information generation method, and non-transitory storage medium
    1.
    发明授权
    Monitoring device, monitoring system, monitoring method, correction information generation device, correction information generation method, and non-transitory storage medium 有权

    公开(公告)号：US11067612B2

    公开(公告)日：2021-07-20

    申请号：US16681427

    申请日：2019-11-12

    Applicant: NEC Corporation

    Inventor： Eisuke Saneyoshi ,  Takahiro Toizumi ,  Kosuke Homma ,  Ryo Hashimoto ,  Katsuya Suzuki

    IPC: G01R1/02 ,  G01R21/133 ,  G01R19/25

    Abstract: A monitoring device (10) includes a feature amount storage unit (11) that stores a device feature amount which is a feature amount of each of a plurality of electrical devices installed in a predetermined unit in operation; a measured data acquisition unit (12) that acquires measured data of the predetermined unit which is at least one of a total current consumption, a total power consumption, and a voltage measured in the predetermined unit; a feature amount extraction unit (13) that acquires a measurement feature amount which is the feature amount included in the measured data of the predetermined unit; a correction unit (15) that corrects a first feature amount which is the device feature amount or the measurement feature amount based on unit feature information indicating a feature of the predetermined unit; and a presumption unit (16) that presumes the electrical device being in operation using the corrected first feature amount, and a second feature amount which is the device feature amount or the measurement feature amount, and a different feature amount from the first feature amount.

    Training data generation device, electrical device monitoring system, training data generation method, and non-transitory storage medium
    2.
    发明授权
    Training data generation device, electrical device monitoring system, training data generation method, and non-transitory storage medium 有权

    公开(公告)号：US10466283B2

    公开(公告)日：2019-11-05

    申请号：US15300531

    申请日：2015-03-17

    Applicant: NEC Corporation

    Inventor： Kosuke Homma ,  Eisuke Saneyoshi ,  Ryo Hashimoto ,  Takahiro Toizumi

    IPC: G01R21/133 ,  G06F17/18 ,  G05B23/02 ,  G05B9/02 ,  G01R19/25 ,  G06F15/18 ,  G05B19/042 ,  G06N20/00 ,  G01D4/00

    Abstract: A training data generation device (10) includes: a measurement data acquisition unit (11) that acquires measurement data including waveform data including at least one of a current consumption waveform, an input voltage waveform, and a power consumption waveform along a time axis of an electrical device and power consumption value data indicating time-series power consumption values of the electrical device; an analysis unit (12) that analyzes a rate of occurrence of each power consumption value using the power consumption value data; a specifying unit (13) that specifies one or more specific power consumption value bands including a power consumption value with the higher rate of occurrence than that of a standard power consumption value and having a predetermined power value width; a feature amount extraction unit (14) that determines a representative power value for each specific power consumption value band and extracts a feature amount using the waveform data; and a storage unit (15) that stores a pair of the representative power value determined based on each specific power consumption value band and a training feature amount which is the feature amount in association with the electrical device.

    ENERGY CONTROL SYSTEM, ENERGY CONTROL DEVICE, ENERGY CONTROL METHOD, AND STORAGE MEDIUM
    5.
    发明申请
    ENERGY CONTROL SYSTEM, ENERGY CONTROL DEVICE, ENERGY CONTROL METHOD, AND STORAGE MEDIUM 审中-公开
    能源控制系统，能源控制装置，能源控制方法和储存介质

    公开(公告)号：US20170045903A1

    公开(公告)日：2017-02-16

    申请号：US15306369

    申请日：2015-03-31

    Applicant: NEC Corporation

    Inventor： Ryo Hashimoto ,  Hitoshi Yano ,  Koji Kudo ,  Hisato Sakuma

    IPC: G05F1/66 ,  H02J13/00

    CPC classification number: G05F1/66 ,  H02J3/14 ,  H02J13/00 ,  H02J13/0079 ,  H02J2003/143 ,  Y02B70/3225 ,  Y02B70/3266 ,  Y04S20/222 ,  Y04S20/242

    Abstract: Lower-level information processing device (20-1 to 20-n) obtain parameters used for estimating power consumption in accordance with the statuses of electric devices (30-1 to 30-n), estimate the power consumption of the electric devices (30-1 to 30-n) on the basis of the parameters, and transmits the estimated value of the estimated power consumption to an upper-level information processing device (10). The upper-level information processing device (10) determines an assignment of distribution of supply and demand on the basis of the power supply-demand capacity in a predetermined power network and the estimated value of the power consumption and transmits the determined assignments to the lower-level information processing devices (20-1 to 20-n). The lower-level information processing devices (20-1 to 20-n) controls the operations of the electric device (30-1 to 0-n) on the basis of the assignment of distribution of supply and demand.

    Abstract translation: 下位信息处理装置（20-1〜20-n）根据电气装置（30-1〜30-n）的状态获得用于推定功耗的参数，估计电气装置（30 -1至30-n），并且将估计的功耗的估计值发送到上级信息处理装置（10）。 上级信息处理装置（10）基于预定电力网络中的供电需求容量和功耗的估计值来确定供需分配的分配，并将所确定的分配发送到下一级 级信息处理装置（20-1〜20-n）。 下层信息处理装置（20-1〜20-n）根据供需分配的分配来控制电气装置（30-1〜0-n）的动作。

    Monitoring apparatus, monitoring method, and storage medium
    6.
    发明授权
    Monitoring apparatus, monitoring method, and storage medium 有权

    公开(公告)号：US11002773B2

    公开(公告)日：2021-05-11

    申请号：US14905585

    申请日：2014-07-07

    Applicant: NEC Corporation

    Inventor： Takahiro Toizumi ,  Eisuke Saneyoshi ,  Koji Kudo ,  Hitoshi Yano ,  Ryo Hashimoto ,  Yuma Iwasaki ,  Hisato Sakuma

    IPC: G01R21/00 ,  G06Q50/06

    Abstract: Provided is a monitoring apparatus including an acquisition unit that acquires first time-series data which is time-series data of a measured value and/or a feature amount regarding an electrical device group, and a registration and updating unit that, when a difference in values between a pre-state-change data value which is any one of a data value at a first point in time in the first time-series data and a statistic of a plurality of data values from a point in time earlier than the first point in time by a predetermined period of time to the first point in time and a post-state-change data value which is any one of a data value at a second point in time later than the first point in time and a statistic of a plurality of data values from the second point in time to a point in time later than the second point in time by a predetermined period of time satisfies a predetermined condition, stores a feature amount extracted from any waveform data of a total current consumption, a total power consumption, and a total input voltage of the electrical device group corresponding to the pre-state-change data value and the post-state-change data value which satisfy the predetermined condition, in a feature amount storage unit.

    Supply and demand adjustment system, supply and demand adjustment method, and supply and demand adjustment program
    7.
    发明授权
    Supply and demand adjustment system, supply and demand adjustment method, and supply and demand adjustment program 有权

    公开(公告)号：US10181737B2

    公开(公告)日：2019-01-15

    申请号：US15671248

    申请日：2017-08-08

    Applicant: NEC Corporation

    Inventor： Hisato Sakuma ,  Koji Kudo ,  Hitoshi Yano ,  Kazuhiko Aoki ,  Yoshiho Yanagita ,  Yuma Iwasaki ,  Ryo Hashimoto ,  Eisuke Saneyoshi ,  Takahiro Toizumi

    IPC: H02J7/00 ,  H02J3/32 ,  G06Q50/06 ,  H02J3/14 ,  H02J3/24

    Abstract: A supply-and-demand adjustment system, that utilizes characteristics of supply-and-demand adjustment apparatuses and precisely matches a total supply-and-demand adjustment amount with a required adjustment amount when performing a supply-and-demand adjustment. The supply-and-demand adjustment system comprises a central control apparatus and one or more supply-and-demand adjustment apparatuses, the central control apparatus includes a state collection unit that collects information with regard to a state of each supply-and-demand adjustment apparatus, an allocation band calculation unit that calculates a frequency band and an intensity of a fluctuation of a supply-and-demand adjustment to be allocated to each supply-and-demand adjustment apparatus based on the information of the state, and an adjustment amount calculation unit that calculates a supply-and-demand adjustment amount for each supply-and-demand adjustment apparatus based on the frequency band and the intensity of the fluctuation of the supply-and-demand adjustment to be allocated to said each supply-and-demand adjustment apparatus.

    Power control apparatus, power control system, and power control method
    8.
    发明授权
    Power control apparatus, power control system, and power control method 有权

    公开(公告)号：US10714968B2

    公开(公告)日：2020-07-14

    申请号：US16082311

    申请日：2016-03-08

    Applicant: NEC Corporation

    Inventor： Kosuke Homma ,  Koji Kudo ,  Ryo Hashimoto

    IPC: H02J7/34 ,  H02J3/38 ,  H02J7/35 ,  H02J3/00 ,  H02J3/48 ,  H02J3/32 ,  G05B13/04

    Abstract: A problem to be solved is to optimize a storage schedule in which changes in power (W) stored in an energy storage apparatus with time are determined, and an output upper limit (W) of a renewable energy power supply. In order to solve the problem, the invention provides a power control apparatus (10) that stores in an energy storage apparatus an amount of power exceeding an output upper limit instruction value (W), which is determined by an electricity company in power (W) generated by a power generation apparatus, the power control apparatus (10) including a decision unit (11) that decides a storage schedule in which changes in the power (W) to be stored in the energy storage apparatus with time within a predetermined period of time are determined, on the basis of prediction data on changes in the power (W) generated by the power generation apparatus with time within the predetermined period of time and values of various types of power classified on the basis of the output upper limit instruction value (W) within the predetermined period of time.

    Energy management apparatus, energy management method and program recording medium
    10.
    发明授权
    Energy management apparatus, energy management method and program recording medium 有权

    公开(公告)号：US10389165B2

    公开(公告)日：2019-08-20

    申请号：US15529132

    申请日：2015-11-18

    Applicant: NEC Corporation

    Inventor： Ryo Hashimoto ,  Hitoshi Yano ,  Hisato Sakuma ,  Koji Kudo ,  Alexander Viehweider

    IPC: H02J7/00 ,  H02J7/04 ,  G06Q50/06 ,  H02J3/32 ,  H02J9/06

    Abstract: An object of the present invention is to set a demand schedule for performing highly efficient demand-supply adjustment of electric power, to deal with electric power demand. To achieve the object, an energy management apparatus of the present invention is an energy management apparatus for performing demand-supply adjustment of electric power by use of a plurality of chargeable and dischargeable energy storage devices, comprising: a plan management means for acquiring a variation of a load of an electric power grid predicted during a target period; and a demand variation setting means for setting a value of an operational electric energy for charging and discharging of each of the plurality of energy storage devices to be a value corresponding to a halt state or a value between a minimum rated output and a maximum rated output, in a manner to make a difference between maximum and minimum values of the load be smaller than a difference that is predicted, by operation of the plurality of energy storage devices.

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