公开(公告)号：US09941727B2

公开(公告)日：2018-04-10

申请号：US15418212

申请日：2017-01-27

Applicant: NEC Corporation

Inventor： Koji Kudo ,  Hitoshi Yano ,  Hisato Sakuma ,  Takayuki Shizuno ,  Toshiya Okabe

IPC: H02J7/00

CPC classification number: H02J7/007 ,  H02J3/32 ,  H02J3/46 ,  H02J7/0021 ,  H02J13/0062 ,  H02J2007/0098 ,  H04B17/391 ,  Y02E60/722 ,  Y02E60/7838 ,  Y04S10/14 ,  Y04S40/124

Abstract: A battery control system that communicates by way of a communication network with a plurality of batteries that are connected to an electric power system includes a communication characteristics detection unit that, for each of the plurality of batteries, detects characteristics of communication paths between the batteries and the battery control system within the communication network. The battery control system includes a selection unit which selects, from among the plurality of batteries, each battery that has characteristics of communication paths within a predetermined communication characteristics range, as a regulating battery that is to be used for regulating electric power of the electric power system. The battery control system includes a control unit that supplies operation instructions that instructs the regulating batteries that were selected in the selection unit to perform a charging or discharging operation.

公开(公告)号：US09912157B2

公开(公告)日：2018-03-06

申请号：US14769032

申请日：2013-12-17

Applicant: NEC Corporation

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

IPC: H02J3/46 ,  H02J3/32 ,  H02J13/00 ,  H02J7/00

CPC classification number: H02J3/32 ,  H02J7/007 ,  H02J13/0062 ,  H02J13/0072 ,  Y02E60/722 ,  Y02E60/7838 ,  Y02E60/7846 ,  Y04S10/14 ,  Y04S40/124 ,  Y04S40/125

Abstract: An energy management system and an energy management method enable an improvement of the balance between power supply and demand. A storage battery (52) is connected to a power line (42) that transmits outside power. A storage battery controller (54) receives a control signal indicating a reduced use period during which the consumption of the outside power by a consumer apparatus (43) connected to the power line (42) is to be reduced, acquires an index value that has a correlation with the demand for outside power, and on the basis of the control signal and the index value, adjusts the amount of charging/discharging of the storage battery (52).

公开(公告)号：US09812871B2

公开(公告)日：2017-11-07

申请号：US14381528

申请日：2012-11-15

Applicant: NEC Corporation

Inventor： Hisato Sakuma ,  Koji Kudo ,  Hitoshi Yano ,  Yuma Iwasaki

IPC: G05D3/12 ,  H02J3/46 ,  H01M10/48 ,  H02J3/32 ,  H02J7/34

CPC classification number: H02J3/46 ,  H01M10/48 ,  H02J3/32 ,  H02J7/34

Abstract: A regulating-device-control system for controlling the operation of regulating devices for regulating the balance between electric power supply and demand includes: memory means storing, for each regulating device, correlation information expressing correlation of a state of the regulating device, an amount of power allotted to the regulating device, and an amount of variability in performance of the regulating device; determination means receiving state information that expresses the state of each regulating device and electric power information that expresses an amount of regulated power required for regulating the balance between electric power supply and demand, and, based on the correlation information, the state information, and the electric power information, determining the amount of electric power to be allotted to each regulating device such that the total value of the amount of variability in performance of each of the regulating devices is minimized under conditions in which the state of each regulating device is the state expressed by the state information and the total value of the amount of power to be allotted to the regulating devices is the amount of regulated power; and control means controlling the operation of each regulating device based on the determination result of the determination means.

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。

公开(公告)号：US20230006442A1

公开(公告)日：2023-01-05

申请号：US17783766

申请日：2020-12-03

Applicant: NEC Corporation

Inventor： Koji Kudo

IPC: H02J1/00 ,  H02J3/38 ,  H02J3/32 ,  H02J3/46

Abstract: A control device is provided with: a power transfer control means that controls power transfer to and from a DC distribution network; and an exchange means that exchanges, with respect to transfer power to and from the DC distribution network, information indicating an attribute based on a power generation scheme.

公开(公告)号：US10784702B2

公开(公告)日：2020-09-22

申请号：US16113551

申请日：2018-08-27

Applicant: NEC Corporation

Inventor： Koji Kudo ,  Hisato Sakuma

IPC: H02J7/00 ,  H02J3/38 ,  H02J3/32 ,  H02J7/35

Abstract: A battery control device controlling an operation of a battery connected to a power system includes detection means that detects battery-related information showing a state of the battery, or a state of an interconnection point of the power system and the battery, first communication means that transmits a detection result of the detection means to an external device, and executes reception processing to receive operation control information to control the operation of the battery from the external device at a predetermined time interval, and control means that executes battery operation control processing to control the operation of the battery based on a state of the power system and based on the operation control information received by the first communication means, at a time interval shorter than the predetermined time interval.

公开(公告)号：US10416211B2

公开(公告)日：2019-09-17

申请号：US15546881

申请日：2016-01-19

Applicant: NEC CORPORATION ,  NEC Platforms, Ltd.

Inventor： Daisuke Takashima ,  Koji Kudo ,  Hitoshi Yano ,  Yasuhisa Tokai

IPC: G06F11/30 ,  G01R22/06 ,  G06F19/00 ,  G06Q50/06 ,  G01R22/10 ,  G01W1/10 ,  G06Q10/04 ,  H02J3/14 ,  H02J3/00

Abstract: An apparatus for estimating power consumption, includes: a receiving section that receives consumer power consumptions of a plurality of days in the past; and a determining section that determines an estimated value of the consumer power consumption by using power consumption on conforming days that conform to a predetermined range from a reference value, among the plurality of days.

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.

公开(公告)号：US10365675B2

公开(公告)日：2019-07-30

申请号：US14375870

申请日：2014-02-06

Applicant: NEC Corporation

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

IPC: G05F1/66 ,  G05F1/625 ,  H02J7/00 ,  H02J3/38 ,  H02J3/32 ,  H02J13/00

Abstract: A battery control device controlling an operation of a battery connected to a power system includes detection means that detects battery-related information that shows a state of the battery, or a voltage of an interconnection point of the power system and the battery, first communication means that transmits a detection result of the detection means to an external device, and receives operation control information to control the operation of the battery from the external device, and control means that controls the operation of the battery, based on a state of the power system and the operation control information received by the first communication means.

公开(公告)号：US10274573B2

公开(公告)日：2019-04-30

申请号：US15314766

申请日：2015-03-13

Applicant: NEC Corporation

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

IPC: G01R15/12 ,  G01R21/06 ,  G01R35/00 ,  G06Q10/00 ,  G01R21/133 ,  G06N99/00 ,  G01D4/00 ,  G01R22/06 ,  G06Q50/06

Abstract: A monitoring system including a plurality of monitoring devices (20) and a server (10) is provided. When new device data including a feature amount of a new electrical device different form existing electrical devices is extracted from measurement data (current consumption or the like), the monitoring device (20) calibrates the feature amount of the new electrical device using calibration data generated based on calibration data of the exiting electrical device, and transmits the new device data to the server (10) in association with identification information of the new electrical device. When the calibrated new device data of the new electrical device is received from the plurality of monitoring devices (20), the server (10) generates and registers training data of the new electrical device based on the plurality of pieces of calibrated new device data.