WO2017033387A1 - Dispositif et programme de gestion d'énergie - Google Patents

Dispositif et programme de gestion d'énergie Download PDF

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Publication number
WO2017033387A1
WO2017033387A1 PCT/JP2016/003201 JP2016003201W WO2017033387A1 WO 2017033387 A1 WO2017033387 A1 WO 2017033387A1 JP 2016003201 W JP2016003201 W JP 2016003201W WO 2017033387 A1 WO2017033387 A1 WO 2017033387A1
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WO
WIPO (PCT)
Prior art keywords
power consumption
period
target
unit
day
Prior art date
Application number
PCT/JP2016/003201
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English (en)
Japanese (ja)
Inventor
紀芳 清水
伸裕 見市
智彦 藤田
Original Assignee
パナソニックＩｐマネジメント株式会社
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Priority to JP2017536193A priority Critical patent/JP6504374B2/ja
Publication of WO2017033387A1 publication Critical patent/WO2017033387A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/58—The condition being electrical
    • H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/62—The condition being non-electrical, e.g. temperature
    • H02J2310/64—The condition being economic, e.g. tariff based load management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
    • Y04S50/10—Energy trading, including energy flowing from end-user application to grid

Definitions

  • the present invention relates to a power management apparatus and a program.
  • HEMS Home Energy Management System
  • Patent Document 1 discloses a power saving support system that displays predetermined advice corresponding to the degree of achievement of a power saving target.
  • the power saving target is input by the user.
  • the power saving target becomes a value far from the actual result, and there is a possibility that appropriate advice cannot be presented.
  • the present invention provides a power management apparatus that can appropriately determine a target value of power consumption.
  • the power management apparatus is an acquisition unit that acquires power consumption in a consumer, which is measured by a measurement device, and the power consumption acquired by the acquisition unit is measured by the power consumption.
  • a storage unit stored in association with the date and time, an estimation unit that estimates the power consumption amount in the target period using the power consumption amount stored in the storage unit, and the power consumption estimated by the estimation unit
  • a determination unit that determines the amount as a target value of the power consumption amount in the target period.
  • FIG. 1 is a block diagram showing the configuration of the power management system according to the first embodiment.
  • FIG. 2 is an external view of devices that constitute the power management system according to the first embodiment.
  • FIG. 3 is a diagram illustrating an example of an image displayed on the display unit.
  • FIG. 4 is a diagram illustrating another example of an image displayed on the display unit.
  • FIG. 5 is a flowchart of the operation of the power management apparatus according to the first embodiment.
  • FIG. 6 is a flowchart of target value determination example 1.
  • FIG. 7 is a flowchart of target value determination example 2.
  • FIG. 8 is a flowchart of target value determination example 3.
  • FIG. 9 is a diagram illustrating an example of base power consumption and non-base power consumption.
  • FIG. 10 is a diagram illustrating an example of a target value setting screen.
  • FIG. 11 is a flowchart of the proposal process.
  • FIG. 12 is a diagram illustrating an example of a display screen that proposes to suppress the power consumption on the day of the week when the power consumption is the largest.
  • FIG. 13 is a diagram illustrating an example of a display screen that proposes to suppress power consumption in a branch circuit having the largest non-base power consumption.
  • FIG. 1 is a block diagram showing the configuration of the power management system according to the first embodiment.
  • FIG. 2 is an external view of the devices constituting the power management system.
  • the power management system 10 includes a power measurement device 20, a power management device 30, and a display device 50.
  • the power management system 10 is a system that is provided in the consumer 5 and manages the usage status of power in the consumer 5. Specifically, in the power management system 10, the power consumption measured by the power measurement device 20 is managed by the power management device 30, and the power consumption is displayed on the display device 50 as appropriate.
  • the power management system 10 when a target value of power consumption is set and the power consumption is predicted to exceed the target value, a display screen for prompting power saving is displayed on the display device 50.
  • the target value of the power consumption is generally input by the user, but in the power management system 10, an appropriate target value corresponding to the past performance is determined by the power management device 30. .
  • each component which comprises the power management system 10 is demonstrated.
  • the power measuring device 20 is an example of a measuring device, and is a distribution board having a power measuring function and a wireless communication function.
  • the power measuring device 20 has a main breaker 21 for turning on or off the power supply from the power system 80 through the main line 11.
  • the main breaker 21 is a breaker that stops the supply of electric power from the electric power system 80 when a current exceeding a predetermined electric current (current based on electric power determined by a contract with an electric power company) flows from the electric power system 80.
  • the power measuring device 20 has a plurality of branch breakers 22 corresponding to each of the plurality of branch circuits 12 branched from the main line 11. That is, the power measuring device 20 includes a branch breaker 22 for each branch circuit 12.
  • the branch breaker 22 is a breaker that stops supplying power to the branch circuit 12 when an overcurrent flows through the branch circuit 12 connected to the branch breaker 22. It is assumed that numbers are assigned in advance to the plurality of branch circuits 12 (the plurality of branch breakers 22).
  • the power measuring device 20 has a measuring unit 25.
  • the measurement unit 25 includes a CT (Current Transformer) provided for each branch circuit 12 and measures the power consumption (current amount) for each branch circuit 12 branched from the main line 11 by CT. For example, when one electrical device 23 is connected to the branch circuit 12, the measurement unit 25 can measure the power consumption of this one electrical device 23. More specifically, the electrical device 23 is connected to the branch circuit 12 via an outlet (not shown in FIG. 1).
  • CT Current Transformer
  • the measuring unit 25 is realized by the CT and a processor, a microcomputer, a dedicated circuit, or the like. Note that the measurement unit 25 is not limited to a configuration having CT, and may include, for example, a Rogowski circuit or a GMR (Giant Magnetic Resistance) element.
  • the power measurement device 20 includes a communication module (communication circuit) for performing wireless communication with the power management device 30 and can wirelessly communicate with the power management device 30. Specifically, the power measuring device 20 transmits the power consumption amount for each branch circuit 12 to the power management device 30 by wireless communication.
  • the wireless communication method (communication standard) is, for example, specific low-power wireless using a frequency of 920 MHz band, but ZigBee (registered trademark), Bluetooth (registered trademark), wireless LAN (Local Area Network), or the like. Other communication standards may be used.
  • the specific aspect of the power measuring device 20 is not particularly limited as long as the power consumption for each branch circuit 12 can be measured.
  • the power measurement device 20 may be realized as a device (measurement unit) separate from the distribution board.
  • the power measuring device 20 may be a smart meter (a watt hour meter having a communication function), for example, as long as it can measure the power consumption in the entire consumer 5. That is, it is not essential for the power measuring device 20 to measure the power consumption for each branch circuit 12.
  • the power management device 30 is a device that manages the power consumption measured by the measurement unit 25.
  • the power management apparatus 30 performs control such as transmitting information for displaying the power consumption amount on the display device 50 to the display device 50, for example.
  • the power management apparatus 30 includes an acquisition unit 31, a storage unit 32, a control unit 33, a first communication unit 39, and a time measuring unit 40.
  • the acquisition unit 31 acquires the power consumption amount in the customer 5 measured by the power measurement device 20 (measurement unit 25). For example, the acquisition unit 31 acquires the power consumption in real time, but may be acquired collectively in a regular manner. Specifically, the acquisition unit 31 may acquire the power consumption for the most recent day (24 hours) at 0:00 every day. Specifically, the acquisition unit 31 is a communication module (communication circuit) for wireless communication that can communicate with the power measurement device 20.
  • communication module communication circuit
  • the storage unit 32 stores the power consumption acquired by the acquisition unit 31 in association with the date and time when the power consumption was measured.
  • “associated with date and time” means that it is associated with at least a date.
  • the power consumption is stored in association with the date and time.
  • the power consumption for one day is acquired collectively. In this case, the power consumption is stored in association with the date.
  • the storage of the power consumption amount in the storage unit 32 is performed by the control unit 33.
  • the storage unit 32 stores the power consumption for each branch circuit. However, it is not essential to store the power consumption for each branch circuit 12.
  • the storage unit 32 stores a control program executed by the control unit 33 and the like.
  • the storage unit 32 is a storage device such as a semiconductor memory.
  • the control unit 33 uses the first communication unit 39 to transmit information for displaying the power consumption.
  • the control unit 33 stores the power consumption acquired by the acquisition unit 31 in the storage unit 32 in association with the date and time when the power consumption is measured. For example, the date and time measured by the timer 40 is used.
  • the control unit 33 is realized by a processor, a microcomputer, or a dedicated circuit.
  • control unit 33 performs a target value determination process and a proposal process for suppressing power consumption.
  • the control unit 33 includes an analysis unit 34, an estimation unit 35, a determination unit 36, a determination unit 37, and a proposal unit 38.
  • the analysis unit 34 uses the power consumption stored in the storage unit 31 as a base power consumption including standby power (also defined as a fourth power consumption) and a non-base power consumption (first) including no standby power. 5) is also defined. As will be described later, there are various variations in target value determination processing, and analysis by the analysis unit 34 may be unnecessary. That is, the analysis unit 34 is not an essential component.
  • the estimation unit 35 estimates the power consumption amount in the target period using the power consumption amount stored in the storage unit 32.
  • the target period is, for example, a month on the calendar, but may be a week on the calendar, or may be a period unrelated to the calendar.
  • the determination unit 36 determines the power consumption estimated by the estimation unit 35 as the target value of the power consumption in the target period.
  • the determining unit 37 determines whether or not the target value determined by the determining unit 36 is smaller than the user target value received by the first communication unit 39 (target value receiving unit 39a).
  • the user target value is a target value of power consumption during a target period specified by the user.
  • the proposing unit 38 makes a notification that the power consumption is predicted to exceed the target value or a proposal to reduce the power consumption according to the target value determined by the determining unit. Specifically, the suggestion unit 38 generates information for causing the display device 50 to display such notification and the content of the proposal, and transmits the information to the display device 50 using the first communication unit 39.
  • the proposing unit 38 proposes a method for reducing the amount of power consumption to the user of the consumer 5 when the determining unit 37 determines that the user target value is smaller than the target value determined by the determining unit 36. Specifically, the proposal unit 38 generates proposal information for displaying the proposal content on the display device 50 and transmits the proposal information to the display device 50 using the first communication unit 39.
  • the first communication unit 39 communicates with the display device 50. For example, the first communication unit 39 transmits information for displaying the power consumption amount to the second communication unit 53 of the display device 50 based on the control of the control unit 33. In addition, the first communication unit 39 transmits the proposal information generated by the proposal unit 38 to the second communication unit 53 of the display device 50.
  • the first communication unit 39 also functions as a target value receiving unit 39a and receives a user target value and the like.
  • the first communication unit 39 accepts, in addition to the user target value, the target reduction amount of the power charge specified by the user, the target reduction amount of the power consumption specified by the user, and the like.
  • the proposal part 38 can propose the reduction of the power consumption according to the target reduction amount of a power charge, and the target reduction amount of a power consumption.
  • the first communication unit 39 is a communication module (communication circuit) that performs communication using a wireless LAN, but may be a communication module that uses other communication methods.
  • the acquisition unit 31 and the first communication unit 39 may be realized as one communication module.
  • a wireless LAN router (not shown) is interposed between the first communication unit 39 and the second communication unit 53.
  • Time measuring unit 40 is a time measuring device that measures the current date and time (including date).
  • the control unit 33 stores the power consumption in the storage unit 32 in association with the date and time using the time measuring unit 40.
  • the timing unit 40 is specifically a real-time clock IC or the like, but may be in any form.
  • the power consumption amount is associated with the date and time in the power management device 30, but may be associated with the date and time in the power measurement device 20. Thereby, the freedom degree of the acquisition timing of the electric power consumption of the acquisition part 31 can be raised.
  • the display device 50 displays the power consumption amount stored in the storage unit 32.
  • the display device 50 is specifically a personal computer, for example, but may be a television, a smartphone, or a tablet terminal.
  • the display device 50 may be a dedicated display device corresponding to the power management device 30.
  • the display device 50 includes a second communication unit 53, a display control unit 54, a display unit 51, and an input reception unit 52.
  • the second communication unit 53 communicates with the first communication unit 39 of the power management apparatus 30.
  • the second communication unit 53 receives information for displaying the power consumption amount stored in the storage unit 32 from the first communication unit 39.
  • the second communication unit 53 receives proposal information for displaying the proposal content of the proposal unit 38 from the first communication unit 39. Further, the second communication unit 53 transmits the user target value input through the input receiving unit 52 to the first communication unit 39.
  • the second communication unit 53 is specifically a communication module (communication circuit) that performs communication using a wireless LAN, but may be any device that can communicate with the first communication unit 39. Therefore, the second communication unit 53 may be a communication module using another communication method corresponding to the first communication unit 39.
  • the display control unit 54 displays an image on the display unit 51 based on the information received by the second communication unit 53.
  • 3 and 4 are diagrams illustrating examples of images displayed on the display unit 51.
  • the display control unit 54 causes the display unit 51 to display the power consumption amount.
  • the power consumption is displayed for each branch circuit 12. Thereby, the user can know the power consumption for each branch circuit 12 through the display unit 51.
  • the power consumption is displayed by being divided into a base power consumption and other power consumption (non-base power consumption). Thereby, the user can know the base power consumption and the non-base power consumption through the display unit 51.
  • the display control unit 54 calculates the average value of the power consumption amount for each day of the week based on the information for displaying the power consumption amount received by the second communication unit 53.
  • the graph may be displayed on the display unit 51. Thereby, the user can know the power consumption for each day of the week for each time zone.
  • the display control unit 54 may cause the display unit 51 to display the target value determined by the determination unit 36 and the user target value received by the target value receiving unit 39a.
  • the display control unit 54 is realized by a processor, a microcomputer, or a dedicated circuit.
  • the display unit 51 displays the power consumption based on the control of the display control unit 54.
  • the display unit 51 is realized by a liquid crystal panel, an organic EL panel, or the like.
  • the input reception unit 52 is a user interface for the user to input a user target value.
  • the input receiving unit 52 is a keyboard, a mouse, or the like, but the specific mode of the input receiving unit 52 is not particularly limited.
  • the input reception unit 52 is a GUI (Graphical User Interface) including a touch panel.
  • FIG. 5 is a flowchart of target value determination processing of the power management apparatus 30.
  • the acquisition unit 31 of the power management device 30 acquires the amount of power consumed by the customer 5 measured by the power measurement device 20 (measurement unit 25) (S11).
  • the storage unit 32 stores the power consumption acquired by the acquisition unit 31 in association with the date and time when the power consumption was measured (S12). Note that the storage of the power consumption amount in the storage unit 32 is performed by the control unit 33.
  • the power consumption is accumulated in the storage unit 32.
  • the control unit 33 determines a target value based on the power consumption accumulated in the storage unit 32.
  • the estimation unit 35 estimates the power consumption during the target period using the power consumption stored in the storage unit 32 (S13).
  • the determination unit 36 determines the power consumption estimated by the estimation unit 35 as a target value of the power consumption during the target period (S14).
  • a specific target value determination example power consumption estimation method
  • FIG. 6 is a flowchart of target value determination example 1.
  • the estimation unit 35 calculates an average value for each day of the power consumption stored in the storage unit 32, and estimates the power consumption for the target period using the calculated average value for each day of the week.
  • the power consumption for one month in June is calculated from June 1 to June 7. It is estimated based on the actual measured value of the power consumption. In this case, the actual measurement value of the power consumption from June 1 to June 7 is stored in the storage unit 32.
  • the target period is one month in June (from June 1 to June 30).
  • the estimation unit 35 refers to the storage unit 32, extracts the power consumption from June 1 to June 7, and calculates the average value of the extracted power consumption for each day of the week (S21).
  • each day of the week includes only one day, so the measured value of each day of the week becomes the average value as it is.
  • the actual power consumption values for the first day of each day from Monday to Sunday in the period from June 1 to June 7 are W mon , W tue , W wed , W thurs , W fri , respectively. Expressed as W sat and W sun .
  • the estimation unit 35 specifies the number of days of each day of the week included in the target period (S22). For example, in the month of June, the estimation unit 35 may include, for example, Monday 5th, Tuesday 5th, Wednesday 4th, Thursday 4th, Friday 4th, Saturday 4th, Sunday 4th, Specify that it is included.
  • the estimating unit 35 multiplies the calculated average value for each day of the week by the number of days of the specified day of the week (S23). For example, the average value W mon of the power consumption amount on Monday is multiplied by 4 which is the number of days on Monday included in the target period. The same applies to Tuesday to Sunday.
  • the estimation part 35 estimates the sum total of a multiplication result as power consumption in an object period (S24). That is, the estimation unit 35 performs the following calculation.
  • the power consumption tends to be different for each day of the week depending on the user's life pattern. In other words, it is considered that the trend (magnitude) of power consumption does not change greatly on the same day of the week. Therefore, according to the target value determination example 1, the power consumption amount in the target period can be estimated with high accuracy.
  • the power consumption for one month in June is calculated on June 1 immediately before June 8.
  • the actual measurement value may be used as the power consumption amount from June 1 to June 7.
  • the target period is a period from June 8 to June 30, and an estimated value of power consumption in the target period and an actual value of power consumption from June 1 to June 7 Is estimated as the power consumption for one month in June.
  • FIG. 7 is a flowchart of target value determination example 2.
  • the estimation unit 35 calculates an average value of the power consumption amount stored in the storage unit 32 per day, and estimates the power consumption amount of the target period using the calculated average value.
  • the power consumption for one month in June is calculated for one month in the previous May (5 (Estimated from the 1st of May to 31st of May) based on the actual measured value of the power consumption.
  • the actual measurement value of the power consumption from May 1 to May 31 is stored in the storage unit 32.
  • the target period is one month in June (from June 1 to June 30).
  • the estimation unit 35 refers to the storage unit 32, extracts the power consumption from May 1 to May 31, and calculates the average value of the extracted power consumption per day (S31).
  • the estimation unit 35 specifies the number of days included in the target period (S32). Specifically, the estimation unit 35 specifies that the number of days included in one month of June is 30 days.
  • estimation part 35 estimates the power consumption amount which multiplied the average value per day calculated in step S31 by the number of days specified in step S32 as the power consumption amount in the target period (S33).
  • the estimation unit 35 can estimate the power consumption amount in the target period using the average value of the past power consumption amount stored in the storage unit 32 per day.
  • the power consumption for one month in June is changed to the power consumption of June 1.
  • An example in which the estimation is based on the actual measurement value of can be considered. In this case, 30 times the actual measurement value on June 1 (times the number of days included in the target period) is estimated as the power consumption of the target period.
  • FIG. 8 is a flowchart of target value determination example 3.
  • the power consumption amount in May of the previous year is the first power consumption amount
  • the power consumption amount in June of the previous year is the second power consumption amount
  • the power consumption amount in May of this year is the third power consumption amount.
  • May of the previous year is an example of the first period
  • June of the previous year is an example of the second period
  • May of the previous year is an example of the third period. That is, the second period is a period after the first period
  • the third period is a period after the second period
  • the target period is a period after the third period.
  • the estimation unit 35 first calculates the rate of change of the second power consumption with respect to the first power consumption (S41). Next, the estimation unit 35 estimates a power consumption amount obtained by multiplying the calculated change rate by the third power consumption amount as a power consumption amount in the target period (S42). That is, the estimated value of power consumption in June of this year is expressed by the following equation.
  • the estimation unit 35 can estimate the power consumption during the target period using the rate of change of the power consumption.
  • the estimation unit 35 first calculates the rate of change of the second power consumption with respect to the first power consumption for each day of the week. More specifically, the estimation unit 35 calculates the average value of the power consumption for each day of the week in the first period (May of the previous year). Similarly, the estimation unit 35 calculates an average value of power consumption for each day of the week in the second period (June of the previous year).
  • the estimation unit 35 uses the average value of the power consumption amount for each day of the week in the first period and the average value of the power consumption amount for each day of the week in the second period to determine the change rate of the power consumption amount for each day of the week. calculate. For example, the estimation unit 35 calculates the change rate corresponding to Monday by dividing the average value of power consumption on Monday in the second period by the average value of power consumption on Monday in the first period. The rate of change corresponding to Tuesday to Sunday is calculated in the same way.
  • the estimation unit 35 calculates an average value of power consumption for each day of the week in the third period (May of this year), and corresponds to the calculated average value of power consumption for each day of the week. Multiply by the rate of change. And the estimation part 35 calculates the sum total of a multiplication result as an estimated value of the power consumption in the object period.
  • the estimation unit 35 can estimate the power consumption amount of the target period with higher accuracy using the change rate of the power consumption amount for each day of the week.
  • target value determination example 4 Next, target value determination example 4 will be described.
  • the power consumption is divided (divided) into a base power consumption and a non-base power consumption by the analysis unit 34.
  • the base power consumption is based on the user's intentional operation, such as standby power that the TV constantly consumes to receive infrared rays from the remote control, and power that the refrigerator constantly consumes. Unrelated power consumption.
  • the base power consumption is the power consumption required (minimum required) even when the user 5 is not actively operating the electrical device 23 in the consumer 5.
  • the power consumption generated when the user intentionally operates the electrical device 23 is defined as non-base power consumption.
  • the non-base power consumption is the power consumption obtained by subtracting the base power consumption from the power consumption.
  • the analysis unit 34 obtains the minimum value of the comparison value within a range that satisfies the condition that the time during which the power consumption continues to be equal to or less than the comparison value exceeds the predetermined maintenance time, and based on the minimum value. It can be a peak value of power consumption. That is, the peak value of the base power consumption amount in the target period is the smallest comparison value among the comparison values that satisfy the condition that the power consumption amount in the target period is equal to or longer than the predetermined period and not longer than the comparison value It is. In a time zone in which the power consumption amount is smaller than the peak value during the target period, the power consumption amount in the time zone becomes the base power consumption amount. In addition, in a time period during which the power consumption amount is equal to or higher than the peak value during the target period, the peak value is the base power consumption amount.
  • FIG. 9 is a diagram illustrating an example of base power consumption and non-base power consumption.
  • FIG. 9 shows changes in the daily power consumption in the living room divided into base power consumption and non-base power consumption. As shown in FIG. 9, the base power consumption hardly changes according to the time zone.
  • the estimation unit 35 estimates the power consumption corresponding to the base power consumption in the target period using the base power consumption. Specifically, the estimation unit 35 has a base power consumption amount stored in the storage unit 32 (a portion of the power consumption amount stored in the storage unit 32 that is determined to be the base power consumption amount by the analysis unit 34). The average value per day is calculated. Then, the estimating unit 35 calculates a power consumption amount obtained by multiplying the calculated average value per day by the number of days included in the target period as a power consumption amount corresponding to the base power consumption amount in the target period.
  • the estimation unit 35 estimates the power consumption corresponding to the non-base power consumption in the target period using the non-base power consumption.
  • the estimation unit 35 uses the non-base power consumption stored in the storage unit 32 (the portion of the power consumption stored in the storage unit 32 that is determined to be the non-base power consumption by the analysis unit 34). By performing the processing described in the determination examples 1 to 3, the power consumption corresponding to the non-base power consumption in the target period is estimated.
  • estimation part 35 estimates the total of the power consumption amount corresponding to the estimated base power consumption amount and the power consumption amount corresponding to the estimated non-base power consumption amount as the power consumption amount in the target period.
  • the base power consumption and non-base power consumption vary greatly in the amount of fluctuation in power consumption. Therefore, the estimation unit 35 uses the power consumption stored in the storage unit 32 in a different manner by dividing the power consumption into a base power consumption and a non-base power consumption whose temporal fluctuation is larger than the base power consumption. By estimating the electric energy, the electric power consumption can be estimated with high accuracy.
  • the proposal process is premised on that the target value receiving unit 39a receives the user target value.
  • the reception of the user target value, that is, the input by the user is performed through a target value setting screen, for example.
  • the control unit 33 transmits information for displaying a target value setting screen for the next month to the display device 50, and the display device 50 sets the target value based on the received information.
  • FIG. 10 is a diagram illustrating an example of a target value setting screen.
  • the user can select whether the target value is set by himself or the power management apparatus 30 is set.
  • the power consumption amount estimated by the method as in the determination examples 1 to 4 described above and determined by the determination unit 36 is used as the target value. Used.
  • FIG. 11 is a flowchart of the proposal process.
  • the first communication unit 39 receives the user target value transmitted from the second communication unit 53. That is, a user target value is received (S51).
  • the determination unit 37 determines whether or not the target value determined by the determination unit 36 is smaller than the user target value received by the first communication unit 39 (S52).
  • the target value determined by the determination unit 36 is an estimated value of the power consumption when it is assumed that the user has consumed power as before. For this reason, when a user target value is smaller than the target value determined by the determination part 36, in order to suppress power consumption to below a user target value, it is thought that power saving is required in the consumer 5.
  • the proposing unit 38 determines that the user target value is smaller than the target value determined by the determining unit 36 (Yes in S52), the proposing unit 38 sets a method for reducing the amount of power consumption of the customer 5. Propose to the user (S53).
  • the user target value is greater than or equal to the target value determined by the determination unit 36, it is considered that if the user consumes power as before, the power consumption can be suppressed below the user target value. That is, when it is determined that the user target value is equal to or greater than the target value determined by the determination unit 36 (No in S52), the proposal process is not performed and the operation ends.
  • step S53 the suggestion unit 38 calculates the average value of the power consumption stored in the storage unit 32 for each day of the week, and suppresses the power consumption on the day of the week with the highest average value for each calculated day of the week. Propose that. More specifically, the proposal unit 38 generates proposal information for causing the display unit 51 to display such a display screen showing the content of the proposal, and transmits the proposal information to the display device 50 using the first communication unit 39.
  • FIG. 12 is a diagram illustrating an example of a display screen that proposes to suppress the power consumption on the day of the week when the power consumption is the largest.
  • the proposing unit 38 may propose to suppress the power consumption in the branch circuit 12 having the largest power consumption based on the power consumption for each branch circuit 12 stored in the storage unit 32. Good.
  • FIG. 13 is a diagram illustrating an example of a display screen that proposes suppressing the power consumption in the branch circuit 12 having the largest non-base power consumption.
  • the determination unit 37 determines the target reduction amount of power charge and consumption. Judgment is performed by converting the target reduction amount of electric power into electric power consumption.
  • data used for conversion for example, data indicating the relationship between the power charge and the amount of power consumption
  • the power management device 30 includes the acquisition unit 31 that acquires the power consumption amount in the consumer 5 measured by the power measurement device 20, and the power consumption amount that is acquired by the acquisition unit 31. And a storage unit 32 stored in association with the date and time when the amount was measured. In addition, the power management apparatus 30 estimates the power consumption amount in the target period using the power consumption amount stored in the storage unit 32, and the power consumption amount estimated by the estimation unit 35 in the consumption period in the target period. And a determination unit 36 that determines the target value of the electric energy.
  • the power measuring device 20 is an example of a measuring device.
  • the power management apparatus 30 can appropriately determine the target value of power consumption.
  • the estimation part 35 may calculate the average value for every day of the power consumption amount memorize
  • the estimation part 35 can estimate power consumption with high precision by calculating for every day of the week.
  • the estimation unit 35 may calculate an average value of the power consumption amount stored in the storage unit 32 per day, and may estimate the power consumption amount of the target period using the calculated average value. Specifically, the estimation unit 35 specifies the number of days included in the target period, and uses the calculated average value per day multiplied by the specified number of days as the power consumption in the target period. It may be estimated.
  • the estimation unit 35 can estimate the power consumption in the target period using the power consumption per day.
  • the storage unit 32 stores the first power consumption amount in the first period, the second power consumption amount in the second period after the first period, and the third period in the third period after the second period.
  • the power consumption amount may be stored.
  • the estimation unit 35 calculates a change rate of the second power consumption amount with respect to the first power consumption amount, and uses the calculated change rate by the third power consumption amount as the power consumption amount in the target period. It may be estimated.
  • the estimation unit 35 can estimate the power consumption based on the change rate of the past power consumption.
  • the estimation unit 35 may calculate the change rate of the second power consumption amount with respect to the first power consumption amount for each day of the week, and calculate the average value of the third power consumption amount for each day of the week.
  • the estimation unit 35 calculates and calculates the estimated power consumption for each day of the week in the target period by multiplying the calculated average value for each day of the third power consumption by the calculated rate of change for that day of the week.
  • the sum of the estimated power consumption for each day of the week may be estimated as the power consumption during the target period.
  • the estimation part 35 can estimate power consumption based on the change rate for every day of the past power consumption.
  • each of the first period, the second period, the third period, and the target period is a period of a month on the calendar, and the first period is the same month one year before the third period,
  • the second period may be the same month one year before the target period.
  • the estimation unit 35 can estimate the power consumption of this year based on the change rate of the power consumption of one year ago.
  • the power management apparatus 30 further analyzes the power consumption amount stored in the storage unit 32 into a base power consumption amount and a non-base power consumption amount having a temporal variation larger than the base power consumption amount.
  • a portion 34 may be provided.
  • the estimation unit 35 may estimate the power consumption corresponding to the base power consumption in the target period using the base power consumption.
  • the estimation unit 35 may estimate the power consumption corresponding to the non-base power consumption in the target period using the non-base power consumption.
  • the estimation unit 35 may estimate the sum of the power consumption corresponding to the estimated base power consumption and the power consumption corresponding to the estimated non-base power consumption as the power consumption in the target period.
  • the base power consumption and non-base power consumption vary greatly in the amount of fluctuation in power consumption. Therefore, the estimation unit 35 uses the power consumption stored in the storage unit 32 in a different manner by dividing the power consumption into a base power consumption and a non-base power consumption whose temporal fluctuation is larger than the base power consumption. By estimating the electric energy, the electric power consumption can be estimated with high accuracy.
  • the power management apparatus 30 further includes a user target value that is a target value of the power consumption amount in the target period specified by the user, a target reduction amount of the power charge specified by the user, and a consumption specified by the user. You may provide the target value reception part 39a which receives at least 1 of the target reduction amount of electric energy.
  • the power management apparatus 30 can accept at least one of the user target value, the target reduction amount of the power charge, and the target reduction amount of the power consumption.
  • the target value receiving unit 39a receives the user target value
  • the power management apparatus 30 further determines whether or not the target value determined by the determining unit 36 is smaller than the user target value received by the target value receiving unit. You may provide the determination part 37 which determines.
  • the power management apparatus 30 may include a suggestion unit 38 that proposes a method for reducing the amount of power consumption to the user when it is determined that the user target value is smaller than the target value.
  • the power management apparatus 30 can prompt the user to keep the power consumption below the user target value.
  • the proposing unit 38 calculates the average value of the power consumption stored in the storage unit 32 for each day of the week, and proposes to suppress the power consumption on the day of the week when the calculated average value for each day of the week is the highest. Also good.
  • the power management apparatus 30 can propose to suppress the power consumption amount on the day of the week when the power consumption amount is large.
  • the communication method between apparatuses described in the first embodiment is an example.
  • the communication method between apparatuses is not particularly limited.
  • wired communication such as power line communication (PLC: Power Line Communication) or communication using a wired LAN may be performed between apparatuses.
  • PLC Power Line Communication
  • another processing unit may execute a process executed by a specific processing unit. Further, the order of the plurality of processes may be changed, and the plurality of processes may be executed in parallel.
  • the distribution of the constituent elements to the apparatus in the first embodiment is an example.
  • the power measurement device and the power management device are separate devices, but may be a single device. That is, the power measurement device may have each component included in the power management device.
  • the display device and the power management device may be a single device. That is, the power management apparatus may have each component included in the display device.
  • the power management apparatus may be realized as a server provided outside the consumer.
  • the power management apparatus acquires the power consumption amount by PLC from smart meters provided in a plurality of consumers, and determines a target value of the power consumption amount for each of the plurality of consumers. Can do.
  • each component may be configured by dedicated hardware, or may be realized by executing a software program suitable for each component.
  • Each component may be realized by a program execution unit such as a CPU or a processor reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory.
  • Each component may be a circuit (or an integrated circuit). These circuits may constitute one circuit as a whole, or may be separate circuits. Each of these circuits may be a general-purpose circuit or a dedicated circuit.
  • the general or specific aspect of the present invention may be realized by a recording medium such as a system, apparatus, method, integrated circuit, computer program, or computer-readable CD-ROM. Further, the present invention may be realized by any combination of a system, an apparatus, a method, an integrated circuit, a computer program, and a recording medium.
  • the present invention may be realized as the above power management system, or may be realized as a program for causing a computer to function as a power management system or a power management device.
  • the present invention may also be realized as a target value determination method or a power consumption suppression proposal method executed by the power device.
  • the order of the plurality of processes in the operation of the power management apparatus described in the first embodiment is an example.
  • the order of the plurality of processes may be changed, and the plurality of processes may be executed in parallel.

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Abstract

L'invention porte sur un dispositif de gestion d'énergie (30) qui est pourvu : d'une unité d'acquisition (31) pour acquérir l'énergie consommée par un client (5), qui est mesurée par un dispositif de mesure d'énergie (20) ; d'une unité de stockage (32) dans laquelle l'énergie consommée acquise par l'unité d'acquisition (31) est stockée en association avec la date et l'heure lorsque l'énergie consommée a été mesurée ; d'une unité d'estimation (35) pour estimer, à l'aide de l'énergie consommée stockée dans l'unité de stockage (32), une énergie consommée pendant une période cible ; et d'une unité de détermination (36) pour déterminer l'énergie consommée estimée par l'unité d'estimation (35) comme valeur cible de l'énergie consommée pendant la période cible.
PCT/JP2016/003201 2015-08-26 2016-07-05 Dispositif et programme de gestion d'énergie WO2017033387A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001327076A (ja) * 2000-03-10 2001-11-22 Mark Tec:Kk 電気料金管理装置およびその記録媒体
JP2006006082A (ja) * 2004-06-21 2006-01-05 Sharp Corp 電力表示装置及び電力料金換算方法
JP2013005470A (ja) * 2011-06-10 2013-01-07 Fuji Electric Co Ltd 同時同量制御システム、その購入電力計画生成装置
JP2014082811A (ja) * 2012-10-12 2014-05-08 Panasonic Corp エネルギー管理装置
JP2015188276A (ja) * 2014-03-26 2015-10-29 シャープ株式会社 機器制御装置及び機器制御方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015188280A (ja) * 2014-03-26 2015-10-29 シャープ株式会社 機器制御装置及び機器制御方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001327076A (ja) * 2000-03-10 2001-11-22 Mark Tec:Kk 電気料金管理装置およびその記録媒体
JP2006006082A (ja) * 2004-06-21 2006-01-05 Sharp Corp 電力表示装置及び電力料金換算方法
JP2013005470A (ja) * 2011-06-10 2013-01-07 Fuji Electric Co Ltd 同時同量制御システム、その購入電力計画生成装置
JP2014082811A (ja) * 2012-10-12 2014-05-08 Panasonic Corp エネルギー管理装置
JP2015188276A (ja) * 2014-03-26 2015-10-29 シャープ株式会社 機器制御装置及び機器制御方法

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