WO2015059774A1 - 制御装置、制御方法およびプログラム - Google Patents
制御装置、制御方法およびプログラム Download PDFInfo
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- WO2015059774A1 WO2015059774A1 PCT/JP2013/078609 JP2013078609W WO2015059774A1 WO 2015059774 A1 WO2015059774 A1 WO 2015059774A1 JP 2013078609 W JP2013078609 W JP 2013078609W WO 2015059774 A1 WO2015059774 A1 WO 2015059774A1
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- 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
- H02J13/00004—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 characterised by the power network being locally controlled
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/026—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system using a predictor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- 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
- H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- 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
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- 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
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
- H02J2310/14—The load or loads being home appliances
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- 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
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
- H02J2310/16—The load or loads being an Information and Communication Technology [ICT] facility
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- 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
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
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- 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
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- 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
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- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- 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
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- 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
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- 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
- Y04S20/242—Home appliances
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- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Definitions
- the present invention relates to a control device, a control method, and a program.
- This energy saving control system obtains the current demand, which is a value obtained by integrating the instantaneous power up to now, and the change per unit time of the current demand. Then, the energy saving control system predicts an integrated value (power consumption amount) of instantaneous power at the expiration of a predetermined period (30 minutes) from the current demand and the change per unit time.
- the energy saving control system determines that the estimated integrated value exceeds the integrated value obtained from the contract power with the electric power company (integrated value set by the user)
- the operating capacity of the electrical device is reduced.
- the energy saving control system controls the electric device so that the actual integrated value at the expiration of the predetermined period falls within the set integrated value.
- the energy saving control system described in Patent Document 1 is based on the current demand (a value obtained by integrating the instantaneous power up to now) and the change per unit time of the current demand for a predetermined period (30 minutes). Predict the integrated value of instantaneous power at expiration.
- the energy saving control system determines that the predicted integrated value at the end of the period is within the set integrated value. For this reason, this energy-saving control system performs control which raises the driving capability of an electric equipment, for example (control which raises the power consumption of an electric equipment).
- the energy saving control system determines that the predicted integrated value at the end of the period exceeds the set integrated value. For this reason, this energy saving control system performs control to reduce the driving ability of the electric device as the period expires so that the actual accumulated value at the expiration of the period falls within the set accumulated value ( Control to reduce the power consumption of electrical equipment). In particular, this energy saving control system performs control that significantly reduces the power consumption of the electrical device as the current demand in the early stage of the period increases, as the period expires.
- this energy saving control system may perform control that makes the level of power consumption of the electrical equipment insufficient, which significantly reduces the power consumption of the electrical equipment, and the user of the electrical equipment feels inconvenient. There is a problem that there is a possibility.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a control device, a control method, and a program that can contribute to a reduction in energy consumption while suppressing the occurrence of inconvenience due to fluctuations in the driving ability of electrical equipment.
- the first control device controls an electrical device so that the power consumption of the electrical device during a predetermined designated period is equal to or less than a preset set power.
- the surplus power acquisition unit obtains the average power consumption of the electrical equipment in that setting period, and the average power consumption is a margin for the target power in the setting period based on the set power Ask for power. If the surplus power obtained by the surplus power acquisition unit is a positive value, the update unit updates the target power in the next setting period to the set power plus the obtained surplus power.
- the target power in the next set period is updated to the power obtained by subtracting the absolute value of the obtained surplus power from the set power, and the updated target power is updated. Then, the control unit that controls the electric device is notified.
- the second control device is configured so that the power consumption of the electrical device during a predetermined designated period is equal to or less than a preset set power.
- the surplus power acquisition unit obtains the generated power in the set period generated by the power generation device that generates power each time a set period shorter than the specified period elapses, and obtains the surplus power based on the generated power. If the surplus power obtained by the surplus power acquisition unit is a positive value, the update unit sets the target power based on the set power in the next setting period to the power obtained by adding the obtained surplus power to the set power. If the surplus power calculated by the surplus power acquisition unit is zero, the target power in the next setting period is updated to the set power, and the updated target power is notified to the control unit that controls the electric device. .
- the update unit obtains the target power in the next set period as the preset power. Update to power with extra power.
- the update unit sets the target power in the next set period to the power obtained by subtracting the absolute value of the marginal power obtained from the set power. Update.
- the update unit notifies the updated target power to the control unit that controls the electric device. Therefore, the control device does not perform control that makes the leveling of the power consumption of the electrical device insufficient, such that the power consumption of the electrical device is significantly reduced as the specified period approaches. Therefore, according to the first control device, it is possible to contribute to the reduction of energy consumption while suppressing the occurrence of inconvenience due to the fluctuation of the driving capability of the electric equipment.
- the update unit sets the target power based on the set power in the next set period to the set power. To the power obtained by adding the required surplus power. On the other hand, if the surplus power obtained by the surplus power acquisition unit is zero, the update unit updates the target power in the next set period to the set power. Then, the update unit notifies the updated target power to the control unit that controls the electric device. Therefore, even if the control device increases the target power, the control device does not reduce the target power below the set power.
- the control device does not perform control that makes the leveling of power consumption of the electrical equipment insufficient, such that the power consumption of the electrical equipment is significantly reduced as the expiration of the specified period approaches. Therefore, according to the second control device, it is possible to contribute to the reduction of energy consumption while suppressing the occurrence of inconvenience due to the fluctuation of the driving ability of the electric equipment.
- FIG. 1 is a block diagram of a control system according to Embodiment 1 of the present invention. It is a figure which shows the average power consumption in the air conditioning apparatus of the control system which concerns on Embodiment 1.
- FIG. It is a figure which shows the update of the demand value of the control system which concerns on Embodiment 1.
- FIG. 3 is a diagram illustrating demand control by the control device of the control system according to Embodiment 1.
- FIG. 3 is a flowchart showing a demand value update process of the control system according to the first embodiment.
- It is a block diagram of the control system which concerns on Embodiment 2 of this invention. It is a figure which shows the surplus electric power of the control system which concerns on Embodiment 2.
- FIG. 10 is a flowchart showing a demand value update process of the control system according to the second embodiment. It is a block diagram of the control system which concerns on Embodiment 3 of this invention. It is a figure which shows the margin electric power of the control system which concerns on Embodiment 3. FIG. It is a figure which shows the surplus electric power of the control system which concerns on Embodiment 3. FIG. It is a figure which shows the update of the demand value of the control system which concerns on Embodiment 3.
- FIG. 10 is a flowchart showing a demand value update process of the control system according to the third embodiment.
- Embodiment 1 an air conditioning system 10 including a control system according to Embodiment 1 of the present invention will be described with reference to the drawings, taking an air conditioning system that controls a room temperature as an example.
- the air conditioning system 10 includes a plurality of air conditioning devices 11 that are examples of electrical devices.
- the air conditioning system 10 has a predetermined average power consumption determined based on an average value of power consumption during a predetermined designated period that is consumed by being supplied to the air conditioners 11a to 11c from a commercial power source.
- a control device 12 for controlling the air conditioners 11a to 11c is provided so that the set power is less than or equal to the set power. This control of the control device 12 is referred to as demand control.
- the designated period is a period during which the control device 12 performs demand control.
- the designated period is hereinafter referred to as a demand period.
- the set power is an upper limit value of power consumption during a demand period that is allowed to be consumed by the air conditioners 11a to 11c.
- the set power is hereinafter referred to as a demand initial value D.
- Each of the air conditioners 11a to 11c includes a control unit 111 that controls the entire air conditioner 11, a control target unit 112 that is a target controlled by the control unit 111, and a wireless communication interface 113 that enables wireless communication. .
- the units 111 to 113 are connected to each other via a bus line BL.
- the control unit 111 includes a CPU (Central Processing Unit), a ROM (Read only Memory), a RAM (Random Access Memory), and a timer.
- CPU Central Processing Unit
- ROM Read only Memory
- RAM Random Access Memory
- the control unit 111 When the control unit 111 receives a signal from the control device 12 indicating that the power supply of the air conditioner 11 is turned on and demand control is started, the control unit 111 starts measuring time with a timer. When the control unit 111 determines that a set period (for example, 3 minutes), which is shorter than the demand period (for example, 30 minutes), has elapsed based on the time measured by the timer, the control unit 111 obtains power consumption during the set period. Then, the control unit 111 transmits the power consumption amount during the set period to the control device 12. In this way, every time the set period elapses, the control unit 111 transmits the power consumption amount during the set period to the control device 12.
- a set period for example, 3 minutes
- the demand period for example, 30 minutes
- each control unit 111 of the air conditioners 11a to 11c transmits the power consumption amount to the control device 12 in association with identification information that can identify the air conditioner 11.
- the control target unit 112 is, for example, a heat exchanger, an inverter circuit, or the like.
- the wireless communication interface 113 transmits the power consumption amount and the identification information to the control device 12.
- the control device 12 includes a control unit 121 that controls the entire control device 12 and a storage unit 122 that stores information referred to by the control unit 121.
- the control device 12 includes an input unit 123 for receiving a user input of a demand initial value D, which is an initial value of a demand value to be described later, and for receiving an instruction to start demand control from the user, and the input initial demand
- a display unit 124 for displaying the value D and a wireless communication interface 125 that enables wireless communication are provided.
- the units 121 to 125 are connected to each other via a bus line BL.
- the demand value is the target power of the air conditioners 11a to 11c in the set period based on the demand initial value D, and is updated every time the set period elapses.
- the demand initial value D is input by the user, for example, for each of the air conditioners 11a to 11c.
- the user inputs the demand initial value D in association with identification information that can identify the air conditioners 11a to 11c.
- the control unit 121 includes a CPU, a ROM, and a RAM.
- the control unit 121 receives an instruction to start demand control through the input unit 123, the control unit 121 transmits a signal indicating that demand control has been started to the air conditioners 11a to 11c. Further, when receiving the power consumption amount transmitted from the air conditioners 11a to 11c, the control unit 121 stores the power consumption amount in the RAM in association with the identification information.
- the CPU of the control unit 121 executes a program stored in the ROM (for example, a program that realizes the flowchart of FIG. 4 described later), thereby obtaining the average power consumption for obtaining the average power consumption of the air conditioners 11a to 11c during the set period.
- An acquisition unit 121a, a margin power acquisition unit 121b that calculates a margin power with respect to a demand value (target power) of the average power consumption obtained by the average power consumption acquisition unit 121a, and an update unit 121c that updates the demand value are realized. .
- the average power consumption acquisition unit 121a acquires the power consumption amount transmitted from the air conditioners 11a to 11c from the RAM for each piece of identification information (for each air conditioner 11). Then, the average power consumption acquisition unit 121a divides the acquired power consumption by the set period, and obtains the average power consumption of the air conditioner 11 in the set period for each identification information.
- the margin power acquisition unit 121b subtracts the calculated average power consumption from the current demand value. The surplus power is obtained for each identification information.
- the update unit 121c adds the obtained surplus power to the demand initial value D, thereby identifying the demand value in the next set period as identification information. Update every time.
- the update unit 121c calculates the absolute value of the marginal power as the demand initial value D. By subtracting from, the demand value in the next setting period is updated for each identification information.
- the update of the demand value will be specifically described with reference to FIGS. 2A and 2B.
- the demand period T is divided into six equal parts, and each is set from the setting period t1 to the setting period t6.
- the set periods t1 to t6 have the same length.
- the updating unit 121c adds the obtained surplus power W1 to the demand initial value D, so that the demand value M2 of the air conditioner 11a in the subsequent setting period t2 is the demand initial value as shown in FIG. 2B. Update to D + marginal power W1.
- the average power consumption acquisition unit 121a obtains the average power consumption of the air conditioner 11a in the set period t3 as P3 from the power consumption transmitted from the air conditioner 11a. Then, it is assumed that the surplus power acquisition unit 121b subtracts the obtained average power consumption P3 from the demand value M3 of the air conditioner 11a in the set period t3 to obtain the negative surplus power W3.
- the update unit 121c subtracts the absolute value of the surplus power W3 from the demand initial value D, so that the demand value M4 of the air conditioner 11a in the subsequent setting period t4 is the demand initial value as shown in FIG. 2B.
- the value D is updated to the absolute value of the surplus power W3.
- the average power consumption obtaining unit 121a obtains the average power consumption of the air conditioner 11a in the set period t5 as P5 from the power consumption transmitted from the air conditioner 11a. Then, it is assumed that the surplus power acquisition unit 121b subtracts the obtained average power consumption P5 from the demand value M5 of the air conditioner 11a in the setting period t5 to obtain the positive surplus power W5.
- the updating unit 121c adds the obtained surplus power W5 to the demand initial value D, thereby obtaining the demand value M6 of the air conditioner 11a in the subsequent setting period t6 as shown in FIG. 2B. Update to D + marginal power W5.
- the control unit 121 performs the above-described processing also for the air conditioners 11b and 11c, thereby updating the demand value every time the set period elapses during the demand period.
- the control unit 121 obtains the rated specific capacity of the air conditioner 11 based on the updated demand value. Then, the control unit 121 transmits a control signal indicating the rated specific capacity to the air conditioner 11.
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, it operates with the rated specific capacity indicated by the control signal as a target (reference).
- control device 12 controls the air conditioner 11 so that the average power consumption in the demand period consumed by being supplied from the commercial power source to the air conditioner 11 is equal to or less than the demand initial value D, for example.
- the air conditioner 11 has a rated power of 20 kW, the demand initial value D is 8 kW, and the obtained surplus power is a positive value. As a result, the updated demand value is 10 kW.
- the control part 121 calculates
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, the control unit 111 operates with the rated specific capacity 0.5 specified by the control signal as a target.
- the control unit 121 assumes that the updated demand value is 6 kW as a result of the obtained margin power being a negative value. Then, the control part 121 calculates
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, the control unit 111 operates with the rated specific capacity 0.3 specified by the control signal as a target.
- the storage unit 122 is configured by a flash memory, for example.
- the storage unit 122 includes a demand initial value storage unit 122a that stores a demand initial value D, and a demand value storage unit 122b that stores a current demand value.
- the control unit 121 stores the input demand initial value D in association with the identification information in the demand initial value storage unit 122a. To do.
- the demand value stored in the demand value storage unit 122b is the same value as the demand initial value D until demand control is started by the control device 12. Therefore, when the demand initial value D is input by the user operation of the input unit 123, the control unit 121 also stores the input demand initial value D in the demand value storage unit 122b.
- the control unit 121 updates the demand value every time the set period elapses.
- the control unit 121 stores the updated demand value in the demand value storage unit 122b in association with the identification information.
- the control unit 121 obtains the rated specific capacity of the air conditioner 11 based on the demand value stored in the demand value storage unit 122b.
- the input unit 123 is a keyboard, for example.
- the display unit 124 is a liquid crystal display, for example.
- the wireless communication interface 125 receives the power consumption amount transmitted from the air conditioner 11. In addition, the wireless communication interface 125 transmits a control signal to the air conditioner 11.
- the control unit 121 of the control device 12 stores the demand stored in the demand value storage unit 122b. Based on the initial value D, the rated specific capacity of the air conditioner 11 is obtained. Then, the control unit 121 transmits a control signal indicating the rated specific capacity to the air conditioner 11.
- each control unit 111 of the air conditioners 11a to 11c When each control unit 111 of the air conditioners 11a to 11c receives the control signal, it operates with the rated specific capacity instructed by the control signal as a target. Then, each control unit 111 of the air conditioners 11a to 11c transmits the power consumption amount during the set period to the control device 12 when the set period elapses.
- the control device 12 executes the demand value update process shown in FIG. 4 in response to the interrupt signal indicating that the power consumption amount has been received.
- the demand value update process is a timer interrupt process.
- control unit 121 acquires the power consumption amount in the setting period transmitted from the air conditioner 11 from the RAM, divides the power consumption amount by the setting period, For each piece of identification information (for each air conditioner 11), the average power consumption of the air conditioner 11 during the set period is obtained (step S1).
- control unit 121 subtracts the average power consumption obtained in step S1 from the demand value stored in the demand value storage unit 122b, thereby obtaining the margin power for each identification information. Obtained (step S2).
- the demand value stored in the demand value storage unit 122b is the demand initial value D when the demand value is not updated.
- control unit 121 determines whether or not the surplus power is greater than zero (positive or negative) for each piece of identification information (step S3).
- the control unit 121 determines No in step S3 for the identification information associated with the surplus power indicating zero or a negative value. Then, the control unit 121 (update unit 121c) updates the demand value to a value obtained by subtracting the absolute value (including zero) of the surplus power from the demand initial value D stored in the demand initial value storage unit 122a (step S6). ).
- the surplus power of the air conditioner 11a obtained in step S2 is a negative value W3
- the absolute value of the surplus power W3 is subtracted from the initial demand value D.
- the demand value M4 of the air conditioner 11a in the set period t4 is updated to D-W3.
- control unit 121 (update unit 121c) stores the updated demand value in the demand value storage unit 122b (step S5), and ends this demand value update process.
- the control unit 121 determines Yes in step S3 for the identification information associated with the surplus power exceeding zero. Then, the control unit 121 (update unit 121c) updates the demand value to a value obtained by adding the surplus power obtained in step S2 to the demand initial value D stored in the demand initial value storage unit 122a (step S4). .
- control unit 121 (update unit 121c) stores the updated demand value for each piece of identification information in the demand value storage unit 122b (step S5), and performs this demand value update process. finish.
- control unit 121 obtains the rated specific capacity of the air conditioner 11 based on the demand value (updated demand value) stored in the demand value storage unit 122b. Then, the control unit 121 transmits a control signal indicating the rated specific capacity to the air conditioner 11.
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, it operates with the rated specific capacity indicated by the control signal as a target.
- the control device 12 adds the surplus power to the demand initial value D and updates the demand value in the next set period.
- the control device 12 subtracts the absolute value of the negative margin power from the demand initial value D and updates the demand value in the next set period.
- the control device 12 does not perform control that makes the power consumption of the air conditioner 11 insufficiently leveled so that the power consumption of the air conditioner 11 is significantly reduced as the expiration of the specified period approaches. . Therefore, according to the air-conditioning system 10 of Embodiment 1, it can contribute to reduction of energy consumption, suppressing generation
- FIG. 10
- the demand value is increased based on the record of power consumption in the immediately preceding set period.
- the present invention is not limited to this, and when the suppliable power fluctuates, the demand value may be increased based on the power supply performance on the power supply side instead of the power consumption performance on the power consumption side. Good.
- the air conditioning system 20 of the second embodiment shown in FIG. 5 to FIG. 7 calculates the surplus power based on the generated power during the setting period of the photovoltaic power generation apparatus, and adds the calculated surplus power to the demand initial value D. , Increase the demand value in the set period.
- the air conditioning system 20 including the control system according to Embodiment 2 of the present invention generates electric power by converting solar light energy into electricity in addition to the air conditioner 11 and the control device 12.
- a solar power generation device 31 is provided.
- the solar power generation device 31 starts timing with a timer when the air-conditioning device 11 is turned on and receives a signal from the control device 12 indicating that demand control is started.
- the solar power generation device 31 determines that a set period (for example, 3 minutes), which is shorter than the demand period (for example, 30 minutes), has elapsed based on the time measured by the timer.
- the photovoltaic power generation apparatus 31 determines the amount of generated power in the set period. Then, the solar power generation device 31 transmits the generated power amount in the set period to the control device 12. In this way, every time the set period elapses, the solar power generation device 31 transmits the generated power amount in the set period to the control device 12.
- control unit 121 of the control device 12 When the control unit 121 of the control device 12 receives the generated power amount transmitted from the solar power generation device 31, the control unit 121 stores the generated power amount in the RAM.
- the CPU of the control unit 121 executes a program stored in the ROM (for example, a program that realizes a flowchart of FIG. 7 described later). Thereby, CPU of the control part 121 implement
- the surplus power acquisition unit 121d acquires the generated power amount transmitted from the solar power generation device 31 from the RAM, and divides the generated power amount by the set period. And the surplus power acquisition part 121d calculates
- the surplus power acquisition unit 121d calculates the surplus power by dividing the calculated generated power by the number of each air conditioner 11 (by distributing the surplus power by each air conditioner 11). Then, the surplus power acquisition unit 121d multiplies the determined surplus power by a predetermined coefficient to obtain the surplus power during the set period. In the present embodiment, the coefficient is 1.0.
- the update unit 121c adds the surplus power to the demand initial value D corresponding to each piece of identification information, thereby obtaining a demand value for each piece of identification information. Is updated every time the set period elapses.
- the update unit 121c sets the demand value corresponding to each identification information to the demand initial value D.
- the demand period T is equally divided into six, and each of them is referred to as a setting period t1a to a setting period t6a.
- the set periods t1a to t6a have the same length.
- the surplus power acquisition unit 121d obtains the generated power in the set period t1a as Q1 from the amount of generated power transmitted from the solar power generation device 31. Then, the surplus power acquisition unit 121d divides the obtained generated power Q1 by 3 that is the number of the air conditioners 11, and obtains the surplus power Q1 / 3. Then, the update unit 121c adds the surplus power Q1 / 3 to the demand initial value D of the air conditioner 11a, so that the demand value M2 of the air conditioner 11a in the subsequent set period t2a is as shown in FIG. 6B. To D + Q1 / 3.
- the surplus power acquisition unit 121d determines that the surplus power Q3 in the set period t3a is zero from the amount of generated power transmitted from the solar power generation device 31. Then, the update unit 121c sets the demand value M4 of the air conditioner 11a in the subsequent subsequent setting period t4a to the demand initial value D as shown in FIG. 6B.
- the surplus power acquisition unit 121d obtains the generated power in the set period t5a as Q5 from the amount of generated power transmitted from the solar power generation device 31. Then, the surplus power acquisition unit 121d divides the obtained generated power Q5 by 3, which is the number of the air conditioners 11, and obtains the surplus power Q5 / 3. Then, the updating unit 121c adds the surplus power Q5 / 3 to the demand initial value D of the air conditioner 11a, so that the demand value M6 of the air conditioner 11a in the subsequent set period t6a is as shown in FIG. 6B. To D + Q5 / 3.
- the control unit 121 updates the demand value during the demand period by performing this process also on the air conditioners 11b and 11c.
- the control unit 121 obtains the upper limit value of the rated specific capacity of the air conditioner 11 based on the updated demand value. Then, the control unit 121 transmits (notifies) a control signal indicating the upper limit value of the rated specific capacity to the air conditioner 11.
- control unit 111 of the air conditioning device 11 When the control unit 111 of the air conditioning device 11 receives the control signal, it operates with the value of the rated specific capacity indicated by the control signal as the upper limit.
- the control device 12 sets the demand initial value D as the lower limit, and if there is surplus power, the demand value for the next set period is increased, and if there is no surplus power, the demand value for the next set period is set to the demand initial value. Set to value D. In this way, the control device 12 controls the air conditioner 11 so that the average power consumption during the demand period consumed by being supplied from the commercial power source to the air conditioner 11 is less than or equal to the demand initial value D, for example.
- the control unit of the control device 12 121 calculates
- each control unit 111 of the air conditioners 11a to 11c When each control unit 111 of the air conditioners 11a to 11c receives the control signal, it operates with the upper limit value of the rated specific capacity indicated by the control signal as the upper limit.
- the solar power generation apparatus 31 transmits the generated power amount in the set period to the control apparatus 12.
- the control device 12 When the control device 12 receives the generated power amount during the set period from the solar power generation device 31, the control device 12 executes the demand value update process shown in FIG. 7 in response to the interrupt signal indicating that the generated power amount has been received.
- the demand value update process is a timer interrupt process.
- the control unit 121 acquires the generated power amount transmitted from the solar power generation device 31 from the RAM, divides the generated power amount by the set period, and sets the set period.
- the generated power of the solar power generation device 31 is obtained (step S11).
- the control part 121 calculates
- the surplus power is obtained (step S11).
- control unit 121 determines whether or not the obtained surplus power exceeds zero (whether or not it is a positive value) (step S12).
- control unit 121 determines Yes in step S12.
- the control unit 121 adds the obtained surplus power to the demand initial value D for each piece of identification information stored in the demand initial value storage unit 122a, thereby obtaining each demand value in the next set period. Increase (step S13).
- step S13 for example, as shown in FIGS. 6A and 6B, in the set period t1a, the calculated generated power is Q1, and the demand initial value of the air conditioner 11a stored in the demand initial value storage unit 122a is D. If there is, the control unit 121 (update unit 121c) adds the surplus power Q1 / 3 to the demand initial value D, and increases the demand value M2 of the next set period t2a of the air conditioner 11a to D + Q1 / 3. .
- control unit 121 (update unit 121c) stores the updated demand value in the demand value storage unit 122b (step S14), and ends this demand value update process.
- control unit 121 determines No in step S12. And the control part 121 (update part 121c) updates the demand value for every identification information (each demand value in the next setting period) to a demand initial value (step S15).
- control unit 121 (update unit 121c) stores the updated demand value in the demand value storage unit 122b (step S14), and ends this demand value update process.
- control unit 121 obtains the upper limit value of the rated specific capacity of the air conditioner 11 based on the demand value (updated demand value) stored in the demand value storage unit 122b. Then, the control unit 121 transmits a control signal indicating the upper limit value of the rated specific capacity to the air conditioner 11.
- the control unit 111 of the air conditioner 11 When receiving the control signal, the control unit 111 of the air conditioner 11 operates with the upper limit value of the rated specific capacity indicated by the control signal as the upper limit.
- the control device 12 increases the demand value in the next set period by adding the distributed surplus power to the demand initial value D if the solar power generation device 31 is generating power. On the other hand, if the solar power generation device 31 is not generating power, the control device 12 sets the demand value in the next set period to the demand initial value D.
- the control apparatus 12 does not perform control that leveling of the power consumption of the air conditioner 11 is insufficient, such that the power consumption of the air conditioner is significantly reduced as the expiration of the specified period approaches. . Therefore, according to the air conditioning system 20 of the second embodiment, it is possible to contribute to a reduction in energy consumption while suppressing the occurrence of inconvenience due to fluctuations in the operating capacity of the air conditioning equipment 11.
- the present invention is not limited to this, and when the suppliable power fluctuates, the demand value may be updated based on the power supply result on the power supply side and the power consumption result on the power consumption side.
- the air conditioning system 30 of the third embodiment shown in FIGS. 8 to 10 adds the surplus power and surplus power to the demand initial value D if there is surplus power and surplus power, and Increase the demand value in the set period.
- the air conditioning system 30 including the control system according to Embodiment 3 of the present invention includes an air conditioning device 11, a control device 12, and a solar power generation device 31, as shown in FIG.
- the control unit 111 of the air conditioner 11 starts measuring time with a timer.
- the control unit 111 determines that the set period (for example, 3 minutes) has elapsed based on the time measured by the timer, the control unit 111 obtains power consumption during the set period. Then, the control unit 111 transmits the power consumption amount during the set period to the control device 12.
- control unit 121 of the control device 12 When the control unit 121 of the control device 12 receives the power consumption transmitted from the air conditioner 11, the control unit 121 stores the power consumption in the RAM in association with the identification information.
- the solar power generation device 31 starts timing with a timer when the air-conditioning device 11 is turned on and receives a signal from the control device 12 indicating that demand control is started.
- the solar power generation device 31 determines that the set period (for example, 3 minutes) has elapsed based on the time measured by the timer, the solar power generation apparatus 31 obtains the amount of generated power in the set period. Then, the solar power generation device 31 transmits the generated power amount in the set period to the control device 12.
- control unit 121 of the control device 12 When the control unit 121 of the control device 12 receives the generated power amount transmitted from the solar power generation device 31, the control unit 121 stores the generated power amount in the RAM.
- the CPU of the control unit 121 executes a program stored in the ROM (for example, a program that realizes a flowchart of FIG. 10 described later). As a result, the CPU of the control unit 121 allows the average power consumption acquisition unit 121a to obtain the average power consumption of the air conditioners 11a to 11c during the set period, and the margin for the demand value of the average power consumption obtained by the average power consumption acquisition unit 121a. And a surplus power acquisition unit 121b for obtaining power. In addition, the CPU of the control unit 121 implements an update unit 121c that updates the demand value and a surplus power acquisition unit 121d that obtains surplus power based on the generated power of the solar power generation device 31 in the set period.
- a program stored in the ROM for example, a program that realizes a flowchart of FIG. 10 described later.
- the average power consumption acquisition unit 121a acquires the power consumption amount transmitted from the air conditioners 11a to 11c from the RAM for each piece of identification information (for each air conditioner 11). Then, the average power consumption acquisition unit 121a divides the acquired power consumption by the set period, and obtains the average power consumption of the air conditioner 11 in the set period for each identification information.
- the margin power acquisition unit 121b subtracts the calculated average power consumption from the current demand value. The surplus power is obtained for each identification information.
- the surplus power acquisition unit 121d acquires the generated power amount transmitted from the solar power generation device 31 from the RAM, and divides the generated power amount by the set period. And the surplus power acquisition part 121d calculates
- the surplus power acquisition unit 121d calculates the surplus power by dividing the calculated generated power by the number of each air conditioner 11 (by distributing the surplus power value by each air conditioner 11). Then, the surplus power acquisition unit 121d multiplies the determined surplus power by a predetermined coefficient to obtain the surplus power during the set period. In the present embodiment, the coefficient is 1.0.
- the update unit 121c calculates the surplus power obtained and the surplus power (including zero) obtained by the surplus power acquisition unit 121d. By adding to the demand initial value D, the demand value in the next set period is updated.
- the updating unit 121c determines the absolute value of the marginal power (including zero) from the demand initial value D. ) Is further added to the power obtained by adding the surplus power (including zero) obtained by the surplus power obtaining unit 121d to the demand value in the next set period.
- the update of the demand value will be specifically described with reference to FIGS. 9A, 9B, and 9C.
- the demand period T is divided into six equal parts, and each is set from the setting period t1b to the setting period t6b.
- the set periods t1b to t6b have the same length.
- the average power consumption obtaining unit 121a obtains the average power consumption of the air conditioner 11a in the set period t1b as P1 from the power consumption amount transmitted from the air conditioner 11a. Then, the surplus power acquisition unit 121b subtracts the obtained average power consumption P1 from the demand value M1 corresponding to the identification information indicating the air conditioner 11a (the demand value of the setting period t1b is the demand initial value D), It is assumed that the surplus power W1 (positive value) of the air conditioner 11a is obtained.
- the surplus power acquisition unit 121d obtains the generated power in the set period t1b as Q1 (positive value) from the generated power amount transmitted from the solar power generation device 31. Then, it is assumed that the surplus power acquisition unit 121d calculates the surplus power Q1 / 3 by dividing the generated power Q1 by 3, which is the number of the air conditioners 11.
- the update unit 121c adds the surplus power Q1 / 3 and the obtained surplus power W1 to the demand initial value D of the air conditioner 11a, so that the demand of the air conditioner 11a in the subsequent set period t2b follows.
- the value M2 is updated to the demand initial value D + W1 + Q1 / 3 as shown in FIG. 9C.
- the average power consumption obtaining unit 121a obtains the average power consumption of the air conditioner 11a in the set period t2b as P2 from the power consumption transmitted from the air conditioner 11. Then, it is assumed that the surplus power acquisition unit 121b obtains the positive surplus power W2 by subtracting the obtained average power consumption P2 from the demand value M2 corresponding to the identification information indicating the air conditioner 11a.
- the surplus power acquisition unit 121d obtains the generated power in the set period t2b as Q2 (positive value) from the generated power amount transmitted from the solar power generation device 31. Then, it is assumed that the surplus power acquisition unit 121d calculates the surplus power Q2 / 3 by dividing the generated power Q2 by 3 which is the number of the air conditioners 11.
- the update unit 121c adds the surplus power Q2 / 3 and the obtained surplus power W2 to the demand initial value D of the air conditioner 11a, so that the demand of the air conditioner 11a in the next set period t3b that follows.
- the value M3 is updated to the demand initial value D + W2 + Q2 / 3 as shown in FIG. 9C.
- the average power consumption acquisition unit 121a obtains the average power consumption of the air conditioner 11a in the set period t3b as P3 from the power consumption transmitted from the air conditioner 11. Then, it is assumed that the surplus power acquisition unit 121b calculates the value of the positive surplus power W3 by subtracting the obtained average power consumption P3 from the demand value M3 corresponding to the identification information indicating the air conditioner 11a.
- the surplus power acquisition unit 121d determines that the generated power Q3 in the set period t3b is zero from the amount of generated power transmitted from the solar power generation device 31. As a result, it is assumed that the surplus power acquisition unit 121d calculates zero surplus power.
- the update unit 121c adds the remaining power zero and the obtained surplus power W3 to the demand initial value D of the air conditioner 11a, so that the demand value M4 of the air conditioner 11a in the subsequent set period t4b. Is updated to the demand initial value D + W3 as shown in FIG. 9C.
- the average power consumption obtaining unit 121a obtains the average power consumption of the air conditioner 11a in the set period t4b as P4 from the power consumption transmitted from the air conditioner 11. Then, it is assumed that the surplus power acquisition unit 121b determines that the surplus power is zero by subtracting the calculated average power consumption P4 from the demand value M4 corresponding to the identification information indicating the air conditioner 11a.
- the surplus power acquisition unit 121d determines that the generated power Q4 in the set period t4b is zero from the generated power amount transmitted from the solar power generation device 31. As a result, it is assumed that the surplus power acquisition unit 121d calculates zero surplus power.
- the update unit 121c adds the remaining power zero and the surplus power zero to the demand initial value D of the air conditioner 11a, thereby calculating the demand value M5 of the air conditioner 11a in the subsequent set period t5b. As shown in 9C, the demand initial value D is updated.
- the average power consumption acquisition unit 121a obtains the average power consumption of the air conditioner 11a in the set period t5b as P5 from the power consumption transmitted from the air conditioner 11. Then, it is assumed that the marginal power acquisition unit 121b obtains the value of the negative marginal power W5 by subtracting the obtained average power consumption P5 from the demand value M5 corresponding to the identification information indicating the air conditioner 11a.
- the surplus power acquisition unit 121d calculates the generated power in the set period t2b as Q5 (positive value) from the generated power amount transmitted from the solar power generation device 31. Then, it is assumed that the surplus power acquisition unit 121d calculates the surplus power Q5 / 3 by dividing the generated power Q5 by 3, which is the number of the air conditioners 11.
- the update unit 121c subtracts the absolute value of the marginal power W5 from the demand initial value D of the air conditioner 11a, and adds the surplus power Q5 / 3 to the value, thereby performing the air conditioning in the subsequent set period t6b.
- the demand value M6 of the device 11a is updated to the demand initial value D ⁇ W5 (absolute value) + Q5 / 3 as shown in FIG. 9C.
- the control unit 121 updates the demand value during the demand period by performing the above-described processing also for the air conditioners 11b and 11c.
- the control unit 121 obtains the rated specific capacity of the air conditioner 11 based on the updated demand value. Then, the control unit 121 transmits (notifies) a control signal indicating the rated specific capacity to the air conditioner 11.
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, it operates with the rated specific capacity indicated by the control signal as a target (reference).
- control device 12 controls the air conditioner 11 so that the average power consumption in the demand period consumed by being supplied from the commercial power source to the air conditioner 11 is equal to or less than the demand initial value D, for example.
- the solar power generation device 31 When the power of the air conditioner 11 and the control device 12 described above is turned on, the solar power generation device 31 is in a state capable of generating power, and when the user instructs the start of demand control by the control device 12, the control unit of the control device 12 121 calculates
- each control unit 111 of the air conditioners 11a to 11c When each control unit 111 of the air conditioners 11a to 11c receives the control signal, it operates with the rated specific capacity instructed by the control signal as a target. Then, each control unit 111 of the air conditioners 11a to 11c transmits the power consumption amount during the set period to the control device 12 when the set period elapses.
- the solar power generation apparatus 31 transmits the generated power amount in the set period to the control apparatus 12.
- the control device 12 receives the power consumption amount during the set period from each of the air conditioners 11a to 11c, and receives the power consumption amount and the generated power amount when the generated power amount during the set period is received from the solar power generation device 31.
- the demand value update process shown in FIG. 10 is executed.
- the demand value update process is a timer interrupt process.
- the control unit 121 acquires the generated power amount transmitted from the solar power generation device 31 from the RAM, divides the generated power amount by the set period, and sets the set period.
- the generated power of the solar power generation device 31 is obtained (step S21).
- the control part 121 (remaining power acquisition part 121d) divides
- control unit 121 acquires the power consumption amount transmitted from the air-conditioning equipment 11 from the RAM, divides the power consumption amount by the set period, and performs the (air conditioning for each identification information). For each device, the average power consumption of the air conditioner 11 during the set period is obtained (step S22).
- control unit 121 subtracts the average power consumption obtained in step S22 from the demand value stored in the demand value storage unit 122b, thereby obtaining the margin power for each identification information. Obtained (step S23).
- the demand value stored in the demand value storage unit 122b is the demand initial value D when the demand value is not updated.
- control unit 121 determines for each piece of identification information whether the surplus power exceeds zero (step S24).
- control unit 121 determines Yes in step S24 for the identification information associated with the surplus power exceeding zero.
- control part 121 adds the surplus electric power calculated
- the demand value in the next set period is updated (step S25).
- the control unit 121 (update unit 121c) is associated with the surplus power indicating zero or a negative value. For the identification information, it is determined No in step S24.
- control unit 121 (updating unit 121c) subtracts the absolute value (including zero) of the surplus power obtained in step S23 from the demand initial value D stored in the demand initial value storage unit 122a, and subtracts that value.
- the surplus power obtained in step S21 is added to update the demand value in the next period (step S26).
- control unit 121 (update unit 121c) stores the updated demand value in the demand value storage unit 122b in association with the identification information (step S27).
- the demand value update process is terminated.
- control unit 121 obtains the rated specific capacity of the air conditioner 11 based on the demand value (updated demand value) stored in the demand value storage unit 122b. Then, the control unit 121 transmits a control signal indicating the rated specific capacity to the air conditioner 11.
- control unit 111 of the air conditioner 11 When the control unit 111 of the air conditioner 11 receives the control signal, it operates with the rated specific capacity indicated by the control signal as a target.
- the control device 12 adds the surplus power and the surplus power to the demand initial value D and updates the demand value in the next period. Further, if the surplus power indicating zero or a negative value is obtained, the control device 12 subtracts the absolute value of the surplus power from the demand initial value D, and further adds the surplus power to obtain the demand power in the next period. Update the value.
- control device 12 does not perform control that makes the power consumption of the air conditioner 11 insufficiently leveled so that the power consumption of the air conditioner 11 is significantly reduced as the expiration of the specified period approaches. . Therefore, according to the air conditioning system 30 of the third embodiment, it is possible to contribute to the reduction of energy consumption while suppressing the occurrence of inconvenience due to fluctuations in the operating capacity of the air conditioning equipment 11.
- the average power consumption acquisition unit 121a of the control device 12 divides the power consumption acquired from the air conditioning equipment 11 by the set period.
- the average power consumption of the air conditioner 11 during the set period is obtained, but is not limited to this.
- the coefficient may be a positive value.
- control device 12 divides the power consumption amount of the air conditioner 11 during the setting period by the setting period, and performs air conditioning during the setting period. Although the average power consumption of the apparatus 11 was calculated
- control device 12 acquires power consumption (instantaneous value) from the air conditioner 11 at a plurality of timings during the set period, and obtains an average value of the acquired power consumption, thereby calculating the average consumption of the air conditioner 11 in the set period. You may ask for electric power.
- control device 12 divides the power generation amount in the set period by the set period to obtain solar power generation in the set period.
- the generated power of the apparatus 31 was calculated
- control device 12 acquires the generated power (instantaneous value) from the solar power generation device 31 at a plurality of timings during the setting period, and obtains the average value of the acquired values of the generated power.
- the generated power of the power generation device 31 may be obtained.
- the air conditioning systems 10 to 30 of the above-described embodiments include the plurality of air conditioners 11, the present invention is not limited to this, and may include a single air conditioner 11.
- the air conditioning system 20 and 30 of each embodiment mentioned above was provided with the one solar power generation device 31, it is not restricted to this, Even if it is provided with the several solar power generation device 31, Good.
- the air conditioning systems 10 to 30 of the respective embodiments described above include the air conditioner 11.
- the air conditioner 11 for example, an electric device such as a lighting device may be included. Good.
- the air conditioning systems 10 to 30 of the above-described embodiments include the single control device 12 for the plurality of air conditioners 11, the present invention is not limited to this.
- Each of the air conditioning systems 10 to 30 according to each embodiment may include one control device 12 for one air conditioning device 11.
- the air conditioning systems 10 to 30 of each embodiment may include a plurality of control devices 12 for a plurality of air conditioning devices 11.
- the air conditioner 11 transmits a radio signal indicating the power consumption amount to the control device 12.
- the solar power generation device 31 transmits a radio signal indicating the amount of generated power to the control device 12.
- the air conditioner 11 may transmit a pulse signal indicating the power consumption amount to the control device 12 by wired communication.
- the solar power generation device 31 may transmit a pulse signal indicating the amount of generated power to the control device 12 by wired communication.
- the demand period is set to 30 minutes, for example, and the set period is set to 3 minutes, for example.
- the present invention is not limited to this.
- the demand period may be 60 minutes and the set period may be 10 minutes. That is, if the set period is shorter than the demand period, the demand period and the set period can be arbitrarily determined.
- the air conditioning systems 10 to 30 of the above-described embodiments are applicable to, for example, an air conditioning system provided in a building.
- the air conditioning systems 10 to 30 are applied to home use, for example, the user may use home appliances installed in the home instead of the air conditioning equipment 11.
- the user may realize the control device 12 by a HEMS (Home Energy Management System) controller.
- HEMS Home Energy Management System
- the control device 12 distributes the surplus power among all the air conditioners 11 and identifies the surplus power thus distributed.
- the demand value of all the air-conditioning equipment 11 was updated by adding to the demand initial value D set corresponding to information (each air-conditioning equipment 11), it is not restricted to this.
- the control device 12 distributes the surplus power among the air conditioners 11 belonging to a predetermined group among all the air conditioners 11.
- the control device 12 adds the distributed surplus power to the demand initial value D set corresponding to the air conditioners 11 belonging to the aforementioned group. In this way, the control device 12 updates the demand value of the air conditioner 11 belonging to the predetermined group, and maintains the demand value of the air conditioner 11 not belonging to the group at the demand initial value D. Good.
- the group may be singular or plural.
- the control device 12 updates the demand value independently for each air conditioner 11 (independently for each identification information).
- the control apparatus 12 calculates
- the control apparatus 12 distributes the calculated
- the control apparatus 12 adds the distributed surplus electric power to the demand initial value D set corresponding to the air conditioner 11 which belongs to the above-mentioned group. In this way, the control device 12 updates the demand value of the air conditioner 11 belonging to the predetermined group, and maintains the demand value of the air conditioner 11 not belonging to the group at the demand initial value D. Good.
- the program for controlling the control unit 121 is read by a computer such as a flexible disk, a CD-ROM (Compact Disc Read-Only Memory), a DVD (Digital Versatile Disc), and an MO (Magneto-Optical Disc).
- the control unit 121 that executes the processing shown in FIGS. 4, 7, and 10 may be configured by storing the program in a possible recording medium, distributing the program, and installing the program in a computer or the like.
- the above-described program may be stored in a disk device or the like included in a predetermined server device on a communication network such as the Internet, and may be downloaded, for example, superimposed on a carrier wave.
- FIGS. 4, 7, and 10 when the processing shown in FIGS. 4, 7, and 10 is realized by sharing each OS (Operating System), or when the processing shown in FIG. May be stored and distributed on a medium, or may be downloaded.
- OS Operating System
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Abstract
Description
以下、本発明の実施の形態1に係る制御システムを備える空調システム10を、室内温度を制御する空調システムを例に、図面を参照して説明する。
前述の通り、実施の形態1では、デマンド値を直前の設定期間の消費電力の実績に基づいて増加させた。
前述の通り、実施の形態1の空調システム10では、設定期間における空調機器11の平均消費電力を現在のデマンド値から減算して余裕電力を求め、余裕電力があれば、余裕電力を、デマンド初期値Dに加算して、デマンド値を増加させた。また、実施の形態2の空調システム20では、太陽光発電装置31で発電が行われていれば、発電電力を分配した余力電力を求め、求めた余力電力を、デマンド初期値Dに加算して、デマンド値を増加させた。
Claims (12)
- 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置であって、
前記指定期間よりも短い設定期間が経過する度に、その設定期間における前記電気機器の平均消費電力を求め、その平均消費電力の、前記設定電力に基づいた前記設定期間における目標電力に対する余裕電力を求める余裕電力取得部と、
前記余裕電力取得部で求められた余裕電力が正の値であれば、次の前記設定期間における前記目標電力を、前記設定電力に前記求められた余裕電力を加えた電力に更新し、前記余裕電力取得部で求められた余裕電力が負の値であれば、次の前記設定期間における前記目標電力を、前記設定電力から前記求められた余裕電力の絶対値を減じた電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新部と、
を備える制御装置。 - 前記余裕電力取得部は、
前記設定期間が経過すると、その設定期間における前記電気機器の平均消費電力を求める平均消費電力取得部と、
前記平均消費電力取得部で前記平均消費電力が求められると、その求められた平均消費電力を、現在の前記目標電力から減算することで、前記余裕電力を求める減算取得部と、
を備える請求項1に記載の制御装置。 - 前記余裕電力取得部は、前記設定期間に測定された前記電気機器の消費電力量から、前記設定期間における前記電気機器の平均消費電力を求める、
請求項2に記載の制御装置。 - 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置であって、
前記指定期間よりも短い設定期間が経過する度に、電力を発生させる発電装置で発電された前記設定期間における発電電力を求め、その発電電力に基づいた余力電力を求める余力電力取得部と、
前記余力電力取得部で求められた余力電力が正の値であれば、次の前記設定期間における前記設定電力に基づいた目標電力を、前記設定電力に前記求められた余力電力を加えた電力に更新し、前記余力電力取得部で求められた余力電力がゼロであれば、次の前記設定期間における前記目標電力を、前記設定電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新部と、
を備える制御装置。 - 前記余力電力取得部は、前記設定期間に測定された前記発電装置の発電電力量から、前記発電装置で発電された前記設定期間あたりの発電電力を求める、
請求項4に記載の制御装置。 - 前記設定期間が経過する度に、その設定期間における前記電気機器の平均消費電力を求め、その平均消費電力の、前記目標電力に対する余裕電力を求める余裕電力取得部を備え、
前記更新部は、前記余裕電力取得部で求められた余裕電力が正の値であれば、次の前記設定期間における前記目標電力を、前記設定電力に前記余裕電力と前記余力電力とを加えた電力に更新し、前記余裕電力取得部で求められた余裕電力が負の値であれば、次の前記設定期間における前記目標電力を、前記設定電力から前記余裕電力の絶対値を減じた電力に前記余力電力を加えた電力に更新する、
請求項4または5に記載の制御装置。 - 前記電気機器は、複数配置され、
前記設定電力と前記目標電力とは、前記電気機器の属するグループ毎に設けられており、
前記更新部は、
前記余力電力取得部で求められた余力電力が正の値であれば、その求められた余力電力を、前記グループのうちの予め決定されている決定グループで分配する余力分配部と、
前記余力分配部で前記決定グループ毎に分配された前記余力電力を、前記決定グループのそれぞれに対応して設定されている前記設定電力に加えることで、次の前記設定期間における前記決定グループの前記目標電力を更新する余力更新部と、を備える、
請求項4または5に記載の制御装置。 - 前記電気機器は、複数配置され、
前記設定電力と前記目標電力とは、前記電気機器の属するグループ毎に設けられており、
前記更新部は、
前記余裕電力取得部で求められた余裕電力が正の値であれば、その求められた余裕電力の値を、前記グループのうちの予め決定されている決定グループで分配する余裕分配部と、
前記余裕分配部で前記決定グループ毎に分配された前記余裕電力を、前記決定グループのそれぞれに対応して設定されている前記設定電力に加えることで、次の前記設定期間における前記決定グループの前記目標電力を更新する余裕更新部と、を備える、
請求項1から3のいずれか一項に記載の制御装置。 - 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置の制御方法であって、
前記指定期間よりも短い設定期間が経過する度に、その設定期間における前記電気機器の平均消費電力の、前記設定電力に基づいた前記設定期間における目標電力に対する余裕電力を求める余裕電力取得ステップと、
前記余裕電力取得ステップで求められた余裕電力が正の値であれば、次の前記設定期間における前記目標電力を、前記設定電力に前記求められた余裕電力を加えた電力に更新し、前記余裕電力取得ステップで求められた余裕電力が負の値であれば、次の前記設定期間における前記目標電力を、前記設定電力から前記求められた余裕電力の絶対値を減じた電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新ステップと、
を含む制御方法。 - 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置の制御方法であって、
前記指定期間よりも短い設定期間が経過する度に、電力を発生させる発電装置で発電された前記設定期間における発電電力から、その発電電力に基づいた余力電力を求める余力電力取得ステップと、
前記余力電力取得ステップで求められた余力電力が正の値であれば、次の前記設定期間における前記設定電力に基づいた目標電力を、前記設定電力に前記求められた余力電力を加えた電力に更新し、前記余力電力取得ステップで求められた余力電力がゼロであれば、次の前記設定期間における前記目標電力を、前記設定電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新ステップと、
を含む制御方法。 - 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置のコンピュータに、
前記指定期間よりも短い設定期間が経過する度に、その設定期間における前記電気機器の平均消費電力の、前記設定電力に基づいた前記設定期間における目標電力に対する余裕電力を求める余裕電力取得機能、
前記余裕電力取得機能で求められた余裕電力が正の値であれば、次の前記設定期間における前記目標電力を、前記設定電力に前記求められた余裕電力を加えた電力に更新し、前記余裕電力取得機能で求められた余裕電力が負の値であれば、次の前記設定期間における前記目標電力を、前記設定電力から前記求められた余裕電力の絶対値を減じた電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新機能、
を実現させるプログラム。 - 予め定められた指定期間中における電気機器の消費電力が、予め設定されている設定電力以下になるよう、前記電気機器を制御する制御装置のコンピュータに、
前記指定期間よりも短い設定期間が経過する度に、電力を発生させる発電装置で発電された前記設定期間における発電電力から、その発電電力に基づいた余力電力を求める余力電力取得機能、
前記余力電力取得機能で求められた余力電力が正の値であれば、次の前記設定期間における前記設定電力に基づいた目標電力を、前記設定電力に前記求められた余力電力を加えた電力に更新し、前記余力電力取得機能で求められた余力電力がゼロであれば、次の前記設定期間における前記目標電力を、前記設定電力に更新し、更新した前記目標電力を、前記電気機器を制御する制御部に通知する更新機能、
を実現させるプログラム。
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