DEMAND AND SUPPLY PLANNING METHOD AND DEMAND AND SUPPLY PLANNING APPARATUS

    公开(公告)号:US20230170700A1

    公开(公告)日:2023-06-01

    申请号:US17997894

    申请日:2021-07-08

    申请人: IHI Corporation

    IPC分类号: H02J3/32 H02J3/46

    CPC分类号: H02J3/32 H02J3/46

    摘要: A demand and supply planning method generates a supply-demand plan including information that specifies operation of an energy generation unit for each unit time in a microgrid having energy generation units being connected to an external energy supply system and generating energy while consuming fuel, an energy storage unit, and a load unit; by calculating an optimization problem related to an objective function including terms related to energy transfer from the external energy supply system in the microgrid and terms related to fuel consumption in the microgrid by using a constraint condition related to a relationship between information related to an operating duration time in each of the one or more energy generation units at a start time for generating the supply-demand plan and a minimum operation time constraint of the energy generation unit; and outputting the supply-demand plan based on a calculation result of the optimization problem.

    OPERATION PLAN CREATION DEVICE, OPERATION PLAN CREATION METHOD, AND OPERATION PLAN CREATION PROGRAM

    公开(公告)号:US20230185258A1

    公开(公告)日:2023-06-15

    申请号:US18075498

    申请日:2022-12-06

    申请人: IHI CORPORATION

    IPC分类号: G05B13/04 H02J3/00 H02J3/38

    摘要: Provided is an operation plan creation device that creates an operation plan for a load device in a microgrid including a renewable energy generation device and the load device. The operation plan includes a plan for performing a start operation or a stop operation of the load device. The operation plan creation device includes a creation unit that creates the operation plan on the basis of information related to a prediction value of power generated in the renewable energy generation device for an entire creation period of the operation plan, information related to power consumption characteristics of the load device, and information related to temporary power consumption necessary for the start operation or the stop operation of the load device included in the operation plan.

    POWER REGULATION METHOD AND POWER REGULATION DEVICE

    公开(公告)号:US20230352937A1

    公开(公告)日:2023-11-02

    申请号:US17997065

    申请日:2021-07-28

    申请人: IHI Corporation

    IPC分类号: H02J3/38 H02J3/00

    摘要: There is provided a power adjustment method in a microgrid connected to an external power supply system and having a power storage unit capable of adjusting an amount of stored power by charging and discharging and a power consumption unit capable of adjusting power consumption of the power. The power adjustment method includes adjusting transmission and reception of the power by simultaneously controlling the power consumption in the power consumption unit and charge/discharge power in the power storage unit in order to transmit and receive power based on a planned value determined for each planned section to and from the external power supply system.

    OPERATION ASSISTANCE DEVICE AND OPERATION ASSISTANCE PROGRAM

    公开(公告)号:US20230251615A1

    公开(公告)日:2023-08-10

    申请号:US18015580

    申请日:2021-07-07

    申请人: IHI CORPORATION

    IPC分类号: G05B19/042 H02J13/00

    摘要: An operation assistance device includes a calculation unit that calculates at least one constraint condition imposed on each of a plurality of energy supply facilities in order to satisfy a predetermined constraint condition based on matters caused by an energy demand facility and/or matters caused by the energy supply facilities and an output unit that displays an operable range that can satisfy the predetermined constraint condition and an inoperable region that is not capable of satisfying the predetermined constraint condition on the basis of the at least one constraint condition and also displays information indicating a current operating state of the plurality of energy supply facilities and an assumed operating state different from the current operating state.

    ENERGY CONSUMPTION PREDICTION DEVICE, ENERGY CONSUMPTION PREDICTION METHOD, AND ENERGY CONSUMPTION PREDICTION PROGRAM

    公开(公告)号:US20240113520A1

    公开(公告)日:2024-04-04

    申请号:US18276726

    申请日:2022-05-31

    申请人: IHI CORPORATION

    IPC分类号: H02J3/00

    CPC分类号: H02J3/003

    摘要: An energy consumption prediction device includes: a storage unit configured to store past energy consumption result data of a target facility in correlation with information for identifying a date and time at which the data has been acquired and incidental information which is information related to an operation situation of the target facility when the data has been acquired; an extraction unit configured to extract data in which the incidental information matches an extraction condition designated by a user from the energy consumption result data stored in the storage unit and to generate prediction data which is used to predict an amount of consumed energy; and a prediction data generating unit configured to generate energy consumption prediction data in accordance with an instruction from the user based on the prediction data.

    POWER ADJUSTMENT METHOD AND POWER ADJUSTMENT DEVICE

    公开(公告)号:US20230283078A1

    公开(公告)日:2023-09-07

    申请号:US18006680

    申请日:2021-07-28

    申请人: IHI Corporation

    IPC分类号: H02J3/32 H02J3/38 H02J7/35

    摘要: A power adjustment method includes a step of calculating an integration error which is an error between a control target value of an integrated amount of grid power transmitted and received between an electric power system and a microgrid and an actual value of the integrated amount of the grid power, a step of generating a first command value for causing a power consuming device to consume power consumption on the basis of a low-frequency component of the integration error, a step of generating a second command value for causing a power storage device to charge and discharge charging/discharging power on the basis of a high-frequency component of the integration error, and a step of outputting the first command value to the power consuming device and outputting the second command value to the power storage device.