WO2012114372A1 - Système de gestion de la demande d'énergie et procédé de gestion de la demande d'énergie - Google Patents

Système de gestion de la demande d'énergie et procédé de gestion de la demande d'énergie Download PDF

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Publication number
WO2012114372A1
WO2012114372A1 PCT/JP2011/000999 JP2011000999W WO2012114372A1 WO 2012114372 A1 WO2012114372 A1 WO 2012114372A1 JP 2011000999 W JP2011000999 W JP 2011000999W WO 2012114372 A1 WO2012114372 A1 WO 2012114372A1
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WIPO (PCT)
Prior art keywords
power
surplus
demand management
region
amount
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PCT/JP2011/000999
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English (en)
Japanese (ja)
Inventor
里実 小野
恭 福本
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Hitachi Ltd
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Hitachi Ltd
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Priority to PCT/JP2011/000999 priority Critical patent/WO2012114372A1/fr
Priority to JP2013500665A priority patent/JP5622924B2/ja
Publication of WO2012114372A1 publication Critical patent/WO2012114372A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J3/28—Arrangements for balancing of the load in networks by storage of energy
    • H02J3/32—Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means
    • H02J3/322—Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging

Definitions

  • the present invention relates to a power demand management system and a power demand management method.
  • the notification target is selected based on the position information on the map.
  • the distribution network may be different even if they are adjacent. For this reason, in order to suppress excessive generation of surplus power here, it is difficult to generally determine the power generation source to be notified and controlled only with the position information on the map.
  • one aspect of the present invention has the following configuration. That is, the surplus power information related to the past surplus power generated from a plurality of facilities is acquired, the surplus power is predicted based on the acquired surplus power information, and the surplus power is generated based on the predicted surplus power.
  • the power device that is the power consumption device or the power generation device in the region corresponding to or near the acquired region is identified, and surplus power is generated in the user of the identified power device or power device Notification of the amount of time and the amount of surplus power or less.
  • the present invention it is possible to absorb surplus power generated by a home-use distributed power source such as a solar panel in an area close to the surplus power generation source.
  • Example 2 is an outline of a processing procedure of Example 1. It is the schematic of the electric power demand management apparatus and system of 2nd embodiment. It is a data structural example of storage battery DB of 2nd embodiment. It is a flowchart for demonstrating the processing flow at the time of the incentive calculation of 2nd embodiment. It is the schematic of the demand management apparatus and system of 2nd embodiment. It is the schematic of the demand management apparatus and system of 3rd embodiment.
  • FIG. 33 is a database showing the adjacent relationship between regions.
  • FIG. 1 is a schematic diagram of a power demand management apparatus and system according to the first embodiment.
  • the storage battery 1 is, for example, an EV battery that is owned by a general household and can be installed or connected inside or outside the house. It is also possible to supply electric power from a storage battery to home appliances.
  • the distributed power source 2 uses natural energy such as a solar panel installed on the roof of a house. For example, it is assumed that a general household owns and a reverse power flow to the distribution line occurs depending on the balance between the power generation amount and the consumption amount in each household.
  • the meter 3 measures the supply power to each home and the surplus power that flows back to the distribution line every unit time.
  • the measurement data transmitter 4 transmits the measurement value of the meter 3 to the measurement data relay 5.
  • the measurement data relay 5 collects data of the measurement data transmitter 4 for each region.
  • the measurement data access network 6 is connected to a plurality of measurement data relays 5 to communicate data.
  • the measurement data totaling server 7 is connected to the measurement data access network 6 and collects information on the measurement data transmitter 4.
  • the performance data DB 8 accumulates detailed data regarding the power supply and surplus power of each household transmitted from the measurement data totaling server 7 for each time period. For example, data relating to an increase in amount of power supplied to each household due to a power storage request is accumulated and classified and held for each region.
  • the regional information DB 9 accumulates data on regional environmental factors such as the weather and temperature of each region and contact information such as an email address of a general household electric power contractor by transmission via the Internet or operator input. .
  • the request record DB 10 accumulates data related to an increase in the amount of power supplied by a power storage request to each home in the time zone when the power storage request is made, transmitted from the power demand management device 11 described later.
  • the power demand management apparatus 11 is connected to the performance data DB 8, the regional information DB 9, the request performance DB 10 and a network, etc., and makes a power storage request to the power user's personal computer, mobile phone or dedicated terminal 13 through the Internet or the like.
  • the amount of requested power storage is calculated by predicting the time zone in which surplus power is generated on the current day and the surplus power amount from the supplied power amount and surplus power amount up to the previous day. Set incentives and determine how much to pay for each customer. Incentives may be paid in cash or by discounting preset lease fees.
  • the Internet 12 is a transmission network for transmitting information to user terminals.
  • the dedicated terminal 13 receives power storage request information from a power demand management device described later.
  • a personal computer or a mobile phone installed in a general household or public institution receives the storage request information.
  • the power storage request information is a power storage request amount and a power storage time zone.
  • Region 15 is a group of adjacent consumers connected by distribution lines. The area 15 is set based on, for example, one feeder unit, but may be across feeders. However, in an area where the power supplied from the grid is unstable or an area where a plurality of grids are used, the area may be set on the basis of the distance from the power generation source or the storage battery and the cost for surplus power absorption.
  • the area 16 is a combination of a plurality of adjacent areas 15 and regarded as one area.
  • the range of the area 16 is a range managed by the power demand management apparatus 11.
  • FIG. 33 is a database showing the adjacent relationship between regions. This is stored in the area information DB 9.
  • Reference numeral 3301 denotes a middle area (integrated area), and 3302 denotes an area (minimum unit). Note that these groupings are merely examples, and a table in which the distances on the distribution network between regions are quantified may be substituted.
  • the distance on the distribution network is the length of the distance of the connection path of the electric distribution line between two points.
  • FIG. 2 FIG. 4, FIG. 4, FIG. 5, FIG. 2, FIG. 4, FIG. 5, FIG. 5, with respect to the performance data DB8, the regional information DB9, and the request performance DB10 that provide the power demand management device 11 with data necessary for prediction of power supply and surplus power and This will be described with reference to FIG.
  • FIG. 2 is a data configuration example of the performance data DB 8 of the first embodiment.
  • stored in performance data DB8 is shown.
  • the performance data 201 is data relating to the surplus power amount and the power supply amount of each customer, and includes entries 202 to 209.
  • the entry 202 is registration information of a unique number in each home.
  • the entry 203 is registration information of the date.
  • the entry 204 is registration information for the day of the week.
  • the entry 205 is event registration information when the day is a special day such as Golden Week or New Year's holiday.
  • the entry 206 is time zone registration information.
  • the entry 207 is registration information of the power supply amount per time zone.
  • the entry 208 is a surplus power amount per time zone.
  • the entry 209 is registration information for an increase in power supply due to the request.
  • the regional information data 301 relates particularly to regional environmental information.
  • the entry 302 is registration information of a unique number for each area. Among the unique numbers, 1 indicates which region belongs to when a plurality of regions are integrated and regarded as one region, and a is a number for identifying the same region.
  • An entry 303 is registration information of the date.
  • the entry 304 is time zone registration information.
  • An entry 305 is weather registration information.
  • An entry 306 is sunshine amount registration information.
  • the entry 307 is temperature registration information. Here, registration may be input by an operator or the like.
  • the regional user data 401 is user information in each region.
  • the entry 402 is registration information of a unique number for each area.
  • An entry 403 is registration information on the number of users.
  • the user is a facility. Facilities are houses, buildings, factories, and the like.
  • An entry 404 is user ID registration information.
  • An entry 405 is user contact information registration information.
  • the contact information is, for example, a telephone number, a mail address, or an address.
  • FIG. 5 and 6 are data configuration examples of the request record DB 10 of the first embodiment. The following is a description of FIG.
  • the request record data 501 is data related to the request record in each region.
  • a region is generally a group of adjacent customers connected by distribution lines, and is a group of customers treated as a minimum unit when a plurality of regions are integrated.
  • An entry 502 is registration information of a regional ID.
  • An entry 503 is registration information of the date.
  • the entry 504 is registration information for the day of the week.
  • An entry 505 is registration information indicating that the event is an event if the current day is a special day.
  • the entry 506 is registration information for the power storage request time zone.
  • the entry 507 is registration information of the incentive total amount.
  • the entry 508 is registration information of the requested amount of power storage.
  • the individual user record data 601 is data related to request records for a plurality of users.
  • An entry 602 is registration information of a user ID in each area.
  • An entry 603 is registration information of the date.
  • An entry 604 is registration information for a day of the week.
  • the entry 605 is registration information indicating that the current day is a special day or event if the day is a special day or event.
  • the entry 606 is registration information for the power storage request time zone.
  • the entry 607 is registration information for the requested amount of power storage.
  • An entry 608 is registration information of an actual supply amount.
  • An entry 609 is registration information of the contribution ratio of each user.
  • An entry 610 is registration information of an incentive distributed to each user.
  • FIG. 7 is a configuration diagram of the power demand management apparatus 11 of the first embodiment.
  • the power demand management device 701 is a device that manages power demand.
  • the surplus power prediction unit 702 predicts the surplus power on the current day from the surplus power for each time zone in each region up to the previous day (details will be described with reference to FIGS. 9 and 10).
  • the power storage request amount calculation unit 703 calculates the power storage request amount of the day from the predicted surplus power (details will be described with reference to FIGS. 11 and 21).
  • the power storage request unit 704 obtains the user contact information of each region from the regional information DB 9, and uses the information including the power storage request time zone of each region on that day and the power storage request amount generated in that time zone as a power storage request message. Send for each facility.
  • the storage request message is notified by e-mail or the like (details will be described later with reference to FIG. 12).
  • the request method may be a method such as publishing using the Internet or mass media.
  • the incentive calculation unit 705 determines an incentive total amount to be paid for the power storage cooperation for each power storage request time zone of each region on that day.
  • the increase amount calculation unit 706 calculates the amount of change in the power supply and surplus power of the facility due to the power storage request after the power storage request time period of the current day ends (details will be described later in FIG. 13).
  • the incentive allocating unit 707 and the transmitting / receiving unit 708 acquire data from the Internet or DB in response to requests from each unit, transmit data to each unit, and transmit data from each unit to the Internet or DB.
  • the input unit 709 acquires each data by an operator's input and transmits it to the transmission / reception unit 708.
  • a facility is a house, building or factory.
  • a region is a group of adjacent customers that are generally connected by a distribution line, and is a group of customers that are treated as a minimum unit when a plurality of regions are integrated.
  • FIG. 8 shows a hardware configuration of the power demand management apparatus 801.
  • Reference numeral 801 denotes a CPU.
  • Reference numeral 802 denotes a memory.
  • Reference numeral 803 denotes an external storage device such as a hard disk.
  • Reference numeral 804 denotes a reading device that reads data from a storage medium.
  • Reference numeral 805 denotes an input device such as a keyboard or a mouse.
  • Reference numeral 806 denotes a network connected to the record data DB 8, the area information DB 9, the request record DB 10, and the like, and a communication device connected to the Internet.
  • a bus 807 connects these devices.
  • This program is downloaded from the storage medium via the reading device 804 or from the network or the Internet for connecting to the result data DB 8, the regional information DB 9, the request result DB 10, etc. to the external storage device 803 via the communication device 806, It may be executed by the CPU 801.
  • the surplus power prediction unit 702, the power storage request amount calculation unit 703, the power storage request unit 704, the incentive calculation unit 705, the increase amount calculation unit 706, and the incentive allocation unit 707 are executed when the CPU 801 executes the program drawn to the memory 802. Realized.
  • the transmission / reception unit 708 is realized using the communication device 806.
  • the input unit 709 is realized using the input device 805.
  • FIG. 9 is a flowchart for explaining a processing flow at the time of surplus power prediction of the power demand management apparatus of the first embodiment. It is a flowchart which the surplus electric power estimation part 702 performs.
  • the surplus power prediction unit 702 acquires the surplus power for each time zone in each area up to the previous day from the performance data DB 8 (step 901).
  • Conditions such as day of the week / special day for each time zone of each region up to the previous day are acquired from the record data DB 8 (step 902).
  • the conditions about the weather, the sunshine, or the temperature for each time zone of each area up to the previous day are acquired from the area information DB 9 (step 903).
  • a request presence / absence condition for each time zone in each region is acquired from the request record DB 10 (step 904).
  • An increase / decrease tendency according to conditions such as day of the week or special day is calculated for surplus power (step 905).
  • An increase / decrease tendency due to weather, sunshine, or temperature is calculated for surplus power (step 906).
  • the increase / decrease tendency by request is calculated about the surplus power (step 907).
  • the amount of surplus power (when no request is made) for each time zone of each region on the current day is predicted (step 908).
  • the surplus power for each time zone of each region on the day is transmitted to the power storage request amount calculation unit 803 (step 909).
  • a calculation method in the case of performing power demand prediction using multiple regression analysis is shown.
  • variables such as whether it is a day of the week, special day, weather, sunshine, temperature, etc. are used to calculate the influence of each variable on the increase or decrease in surplus power, and a regression equation suitable for predicting surplus power for each region And surplus power is predicted according to this regression equation.
  • the influence on the increase or decrease of surplus power according to the day of the week is calculated from the past data
  • the influence on the increase or decrease of surplus power depending on whether it is a special day is calculated from the past data
  • the weather is calculated from the past data.
  • S represents the expected surplus power.
  • x 1 represents the day of the week (in the case of weekday 0, in the case of weekends and replaced with the 1 of categorical variables).
  • x 2 represents a special date (if it is not a special day 0, for example, replaced by year-end and New Year holidays if 1, categorical variables as GW if 2).
  • x 3 represents the weather (in the case of sunny 0, cloudy 1, rain is replaced by the categorical variables as 2).
  • x 4 represents the amount of sunlight.
  • x 5 represents the temperature.
  • b 0 is an intercept
  • b 1 to b 5 are coefficients representing the influence of each variable on surplus power.
  • FIG. 10 is a conceptual diagram at the time of surplus power prediction of the power demand management device of the first embodiment. This is processing performed by the surplus power prediction unit 702.
  • Past surplus power is acquired (step 1001).
  • the increase / decrease tendency by the day of the week or the special day when surplus power is generated in each region is calculated (step 1002).
  • a trend of increase / decrease due to weather, sunshine or temperature of surplus power in each region is calculated (step 1003).
  • the increase / decrease tendency of the surplus power due to the power storage request in each region is calculated (step 1004).
  • the surplus power of the day is predicted from the information (step 1005).
  • FIG. 11 is a flowchart for explaining the processing flow of the power storage request amount calculation unit of the power demand management apparatus according to the first embodiment.
  • 10 is a flowchart performed by a storage request amount calculation unit 803.
  • the power storage request amount calculation unit 803 acquires the surplus power amount for each time zone of each region from the surplus power prediction unit 802 (step 1101), and uses the surplus power amount for each time zone of each region as the power storage request amount ( Step 1102).
  • the amount of power supplied for each time zone in each region up to the previous day and the conditions such as the day of the week, the year-end and New Year holidays, and the special day are acquired from the result data DB 8 (step 1103).
  • the conditions of weather, sunshine, or temperature for each time zone in each region are acquired from the region information DB 8 (step 1104).
  • a condition with or without a request for each time zone in each region is acquired (step 1105).
  • a trend of increase / decrease depending on the day of the week or special day, weather / sunshine / temperature, and whether or not there is a power storage request is calculated (step 1106).
  • the amount of increase in power supply in the requested time zone is acquired for each user in each area (step 1107).
  • the number of users is acquired from the regional information DB 9 (step 1108), and the average increase amount per user requested in each region is acquired (step 1109).
  • the number of requested users for each time zone in each region is calculated from the amount of power storage requested on that day in each region and the average increase in supply per user (step 1110).
  • the power storage request time zone, the power storage request amount, and the number of requested users in each region are transmitted to the request record DB 10 (step 1111).
  • FIG. 12 is a conceptual diagram when calculating the number of requested users in the power storage request amount calculation unit of the power demand management apparatus. This is processing performed by the power storage request amount calculation unit 803.
  • the power storage request amount calculation unit 803 acquires the predicted surplus power amount for each time zone of each region on the day calculated by the surplus power calculation unit 802 (step 1201).
  • An average supply increase amount per user for each region is calculated from the supply increase amount of each user in the past requested time zone of each region (step 1202).
  • the power consumption for each time zone required to obtain the supply power increase amount that offsets the surplus power amount for each time zone on that day The number of requested users is calculated (1203).
  • surplus power amounts on that day in each region may be used as the power storage request amount, or an amount smaller than the surplus power amount on that day may be used as the power storage request amount.
  • the requested amount of power storage may be calculated so as to be suppressed to a reference voltage range of 101 V plus or minus 6 V.
  • an integrated region connecting a plurality of adjacent regions with a feeder as a minimum unit among adjacent customer groups is set in advance, and surplus power can be absorbed within the region (minimum unit). If it is predicted that there will be no surplus power that cannot be absorbed in the adjacent area (minimum unit) in the adjacent area, it may be notified to the entire integrated area.
  • the power storage request amount calculation unit 703 acquires the surplus power amount for each time zone of each region from the surplus power prediction unit 702 (step 1301), and uses the surplus power amount for each time zone of each region as the power storage request amount (Ste 1302).
  • the surplus power amount For the time zone in which surplus power occurs, conditions such as the amount of power supplied for each time zone in each area up to the previous day and special days such as day of the week, year-end and New Year holidays, and Golden Week are acquired from the actual data DB 8 (step 1303).
  • the conditions of weather, sunshine, or temperature for each time zone of each area are acquired from the area information DB (step 1304). From the request record DB 10, a condition with or without a request for each time zone in each region is acquired (step 1305).
  • the increasing / decreasing tendency is calculated according to the day of the week or special day, weather / sunshine / air temperature, and whether or not there is a storage request (step 1306).
  • the request record DB From the request record DB, the amount of increase in power supply during the requested time period is acquired for each user in each area (step 1307).
  • the number of users in each region (minimum unit) is acquired from the region information DB 9 (step 1308), and the average increase per user requested by each region (minimum unit) is acquired (step 1309).
  • the number of requested users for each time zone in each region is calculated from the amount of power storage requested on that day in each region and the average increase in supply per user (step 1310).
  • the number of requested users for each time zone is subtracted from the number of users in each region (minimum unit).
  • the number of shortage users (minimum unit) is calculated (step 1311).
  • step 1403 When there is no area (minimum unit) in which the value of the number of insufficient users is positive among the areas (minimum unit) belonging to the same integrated area (step 1401), It is regarded as a time zone in which surplus power can be processed in each region (minimum unit) (step 1402), and the surplus power amount in each region is set as a requested amount of power storage (step 1403).
  • the time zone in which the number of insufficient users is positive in one or more regions is a time zone in which surplus power cannot be processed within each region (minimum unit).
  • the surplus electric energy of the adjacent area is integrated (step 1405).
  • the term “adjacent” refers to extracting the area 3301 in FIG. 33 as an adjacency in Gr.
  • the integrated surplus power amount is set as the power storage request amount for all the integrated regions (step 1406).
  • step 1407 executes the processing from 1107 to 1111 in FIG.
  • a wide region that integrates adjacent regions, and notify only each region (minimum unit) to increase the power demand and surplus power
  • the notification area is extended to other areas (minimum units) in Gr to increase demand, thereby enabling a power storage request near the surplus power generation point.
  • identifying a power device that is close to the area where the surplus power is generated and notifying the specified or power device user to request consumption or storage the surplus power is absorbed in a narrower range. It is efficient because it can.
  • a power device is determined based on position information managed in units of Gr. When it is difficult to change the plan of a nearby power device, a closer power device is determined.
  • the surplus power amount when “power generation amount—power consumption amount” is positive, the surplus power amount is used, but when it is negative, it may be managed as a factor that offsets the surplus power amount as an insufficient power amount. In this way, it is possible to level the power when surplus power is generated by considering an area where the power is insufficient.
  • FIG. 15 is a flowchart for explaining the processing flow of the power storage request amount calculation unit of the power demand management apparatus of the first embodiment. This is a flowchart illustrating a processing procedure of the power storage request amount calculation unit 703 when a power flow analysis simulation is performed.
  • the power storage request amount calculation unit 703 acquires the predicted surplus power for each time zone of each region from the surplus power calculation unit 702 (step 1501).
  • the predicted power supply for each area on the day is calculated (step 1502).
  • the voltage distribution of the high-voltage and low-voltage distribution lines for each time zone in each region on the day is estimated by the tidal current analysis simulation (step 1503).
  • the time zone in which the distributed power source connected to the demand-end voltage exceeds 107V is stopped is estimated (step 1504).
  • the demand in any one or a plurality of regions is increased (the increased amount is used as the amount of requested power storage), and the power flow analysis is performed again (step 1505).
  • step 1506 it is determined whether or not all the demand ends of the distribution line are 107 V or less (step 1506). For each area obtained above, an average supply increase amount by request per user is calculated (step 1507). The number of requested users is calculated from the power storage request amount for each time zone in each region and the average supply increase amount per user (step 1508). The power storage request time zone, the power storage request amount, and the number of requested users in each region on the current day are transmitted to the power storage request unit 704 (step 1509). The power storage request time zone and the power storage request amount of each area on the day are transmitted to the request result DB 10 (step 1510).
  • the upper limit value of the supply voltage may be changed depending on the country or region, and is not necessarily limited to 107V.
  • the power storage request amount calculation unit creates data on the network structure of the power transmission network / distribution network, sets the current voltage distribution based on the current power distribution plan obtained from the power company, By adding the power supply / surplus power value predicted from each facility in the time zone to the voltage distribution, an area exceeding 107 V, which is the upper limit value of the supply voltage, is specified.
  • the upper limit value of the supply voltage may be changed depending on the country or region.
  • an incentive calculation method for increasing the motivation to respond to a user's request for power storage will be described below.
  • a cost that an electric power company must bear due to the generation of surplus power is used as a source of incentives.
  • the deemed purchase fee which is one of the sources of incentives. It is promised that if the amount of power generated by a household solar panel is greater than the amount consumed at home, it will flow back to the distribution line and be purchased by an electric power company. However, when the PCS is activated by the voltage rise of the distribution line to which the solar panel is connected and the power generation is stopped, the power generation cannot be performed during that time period, and the customer cannot receive the purchase fee. In such a case, it is considered that there is a fear that the power company may request a purchase fee for the power that was originally generated from the customer who installed the solar panel with the purchase fee applied.
  • Such a request is temporarily called “deemed purchase” in this embodiment, and this cost is taken as an example of incentive resources.
  • the power generation cost one of the incentive resources, will be explained.
  • EV batteries are often stored in the evening or at night.
  • an all-electric apartment such as an area that consumes a large amount of electric power in the evening or at night
  • demand suddenly rises only for a certain time in the evening or at night there may be a situation in which demand suddenly rises only for a certain time in the evening or at night, and a standby power supply must be activated.
  • the cost of starting the standby power supply is called “power generation cost”, and this cost is an example of incentive resources.
  • FIG. 16 is a flowchart for explaining the processing flow of the incentive calculation unit of the power demand management apparatus according to the first embodiment. This is processing performed by the incentive calculation unit 705 of the power demand management apparatus 11.
  • the non-purchasing unit price per 1 kW of the day is acquired by an operator input or the like (step 1601).
  • the storage request amount for each time zone of each region on the current day is acquired from the storage request amount calculation unit 704 (step 1602). Multiplying the unit purchase price per 1kW by the amount of electricity requested for storage, and calculating the deemed purchase cost when no electricity storage request is made, thereby calculating the purchase cost for each time zone in each region of the day (step 1603).
  • the power storage request amount calculation unit 804 acquires the power storage request amount for each time zone of each region on the day (step 1604).
  • the power generation cost when power corresponding to the amount of power storage requested for each time zone in each region on the current day is generated by the input of the Internet or an operator is acquired (step 1605).
  • the total cost for each time zone in each region on the day is calculated from the sum of the costs calculated by these methods (step 1606).
  • the total cost for each time zone in each region on the current day is transmitted as an incentive total to the power storage request unit 704 (step 1607).
  • the total incentive amount is transmitted to the request record DB 10 (step 1608).
  • the surplus power processing cost may be incentive, or an amount less than the surplus power processing cost may be set as the incentive total amount.
  • FIG. 17 is a flowchart for explaining the processing flow of the increase amount calculation unit of the power demand management apparatus according to the first embodiment. This is a process performed by the increase amount calculation unit 706. After the last power storage request time zone of the current day ends, the increase amount calculation unit 706 acquires the power storage request time zone of each area of the current day from the request performance DB 10 (step 1701). The predicted power supply of each user in the power storage request time zone of the current day is acquired from the power storage request amount calculation unit 704 (step 1702). The power supply to each user in each area on the current day is acquired from the record data DB 8 (step 1703). The amount of increase due to the request is calculated by subtracting the predicted supply power from the supply power for each power storage request time zone (step 1704).
  • the increase amount by the request for each user's time zone on the day is transmitted to the performance data DB 8 (step 1705).
  • the increased amount is an amount by which the actual supply power is increased.
  • FIG. 18 is a flowchart for explaining the processing flow of the incentive assignment unit of the power demand management apparatus according to the first embodiment.
  • the incentive is assigned based on the actual amount of stored electricity. Incentives are not assigned if the power storage request is not handled.
  • the following is processing performed by the incentive allocation unit 707 of the power demand management apparatus 701.
  • the incentive allocating unit 707 acquires the power storage request time zone of each region on the current day from the request record DB 10 (step 1801).
  • the total incentive for each power storage request time zone is acquired from the request record DB 10 (step 1802).
  • the actual supply amount for each power storage request time zone is acquired from the request record DB 10 (step 1803).
  • the ratio of the electric power supplied to each user in the actual supply amount in one area of the storage request time zone of each area on the day is calculated (step 1804).
  • the ratio of the electric power supplied to each user is transmitted to request performance DB10 (step 1805).
  • An incentive amount for each power storage request time zone on the current day is allocated according to the ratio of power supplied to each user (step 1806).
  • the incentive amount allocated to each user is transmitted to the request record DB 10 (step 1807).
  • 19 and 20 are flowcharts for explaining the processing flow of the power demand management apparatus and the entire system in the first embodiment.
  • the electric power demand management apparatus 11 is a condition (day of the week, weather, presence / absence of request, etc.) that is considered to affect the surplus power and the increase / decrease of surplus power in each region (minimum unit) from the performance data DB 8 to the previous day. Is acquired (step 1901). The surplus power for each time zone of each region (minimum unit) on the current day is predicted using a prediction method such as multiple regression analysis (step 1902).
  • the condition (day of the week, weather, presence / absence of request, etc.) that is considered to affect the supply power and the increase / decrease in the power supply for each time zone in each region (minimum unit) until the previous day is acquired from the result data DB 8 (step 1903).
  • the power supply (when no request is made) is predicted for each time zone (minimum unit) of the current day (step 1904).
  • the amount of increase in power supply in the time zone requested by the user in each region (minimum unit) is acquired from the record data DB 8 (step 1905).
  • the average power supply amount per user in each region (minimum unit) is calculated (step 1906).
  • the surplus power amount for each time zone of each region (minimum unit) is set as the power storage request amount for each time zone of that region (step 1907).
  • the number of requested users for each time zone on the day of each region (minimum unit) is calculated from the power storage request amount on the day of each region (minimum unit) and the average increase in power supply per user (step 1908).
  • the number of users in each region (minimum unit) is acquired from the region information DB 9, and the number of requested users in each time zone is subtracted from the number of users in the region, and the number of insufficient users in each time zone is calculated for each region (minimum unit) ( Step 2001)
  • Gr information is acquired from the regional information DB and there is a region in which the value of the number of insufficient users is positive among the regions (minimum unit) belonging to the same integrated region in the time zone (step 2002)
  • the storage request amounts of adjacent regions (minimum units) in the same Gr are integrated to be the storage request amount of the entire integrated region (step 2003).
  • a power storage request is made with a time zone with surplus power as a power storage request time zone, and the cost of surplus power processing in each time zone as an incentive total amount (step 2004).
  • the power supply of each user in the power storage request time zone is acquired (step 2005).
  • An incentive corresponding to the power supplied by each user in the power storage request time zone is assigned (step 2006).
  • the amount of increase in power supply due to the power storage request is calculated by comparing the predicted power supply with the actual power supply (step 2007). The predicted supply power, actual supply power, supply power increase, and incentive for each region are transmitted to the request record DB 10 (step 2008).
  • 21 and 22 are diagrams illustrating an example of a message display screen for notifying the user of the power storage request status.
  • the example of a display on the screen of the user's personal computer or mobile phone for the user to confirm the power storage request status and the power storage request amount in his / her area is shown.
  • FIG. 21 is an example of a display for notifying the user that surplus power is generated in each area and requesting storage.
  • Reference numeral 2101 denotes a display indicating a time zone in which surplus power is generated.
  • Reference numeral 2102 denotes a display representing the total surplus power.
  • FIG. 22 is an example of a display requesting a power storage by notifying the user of the power storage request status for each time zone in each region.
  • Reference numeral 2201 denotes a display indicating a time zone.
  • Reference numeral 2202 denotes a display indicating the predicted surplus power.
  • incentives can be given to users according to actual power storage.
  • FIG. 23 is an outline of a processing procedure according to the first embodiment.
  • the predicted surplus power amount in units of time from each region (minimum unit) is calculated (step 2301), the predicted power supply amount in units of time to each region (minimum unit) is calculated (step 2302), and the region (minimum unit) )
  • the optimum region (range) for notifying the surplus power is determined from the supply increase amount by the notification for each region (minimum unit) and the cost for surplus power processing (step 2304).
  • the total amount of incentives is determined based on costs borne by the electric power company due to generation of surplus power, administrative assistance, and the like (step 2305).
  • An electric power storage / consumption request is made to a local consumer (step 2306). Incentives are distributed to each consumer (step 2307).
  • FIG. 24 is a schematic diagram of the power demand management apparatus and system of the second embodiment.
  • the storage location 14, the storage location access network 15, and the storage location DB 16 are added to FIG. 1 of the first embodiment, and the rest is the same as the first embodiment.
  • the distribution-side storage battery 14 is a storage battery whose cost is the consumption of the storage battery.
  • the storage location access network 15 is connected to the storage battery 14 and the storage battery DB 16.
  • the storage battery DB 16 is a database of information related to storage batteries. There may be a plurality of the storage batteries in the region 16.
  • FIG. 25 is a data configuration example of the storage battery DB of the second embodiment.
  • the description of FIG. 25 is as follows.
  • the storage battery data 2501 is data from the entry 2502 to the entry 2507 regarding the storage battery.
  • the entry 2502 is registration information of IDs of storage batteries arranged in each area.
  • the entry 2503 is date / month registration information.
  • An entry 2204 is time zone registration information.
  • An entry 2505 is registration information when charging is performed in time.
  • An entry 2506 is registration information when the battery is discharged in time.
  • An entry 2507 is registration information of cost due to consumption of each storage battery.
  • FIG. 26 is a flowchart for explaining a processing flow at the time of incentive calculation according to the second embodiment. This is the process of the incentive calculation unit 705 when the cost of storage battery consumption is used as a source.
  • the incentive calculation unit 705 obtains the power storage request amount for each time zone of each region from the power storage request amount calculation unit 704 (step 2601).
  • the cost due to consumption of the storage battery is acquired from the storage battery DB 16 by charging for each time zone of the day (step 2602).
  • the total cost for each time zone of each region on the day is calculated from the sum of the costs (step 2603).
  • the total cost for each time zone in each region on that day is transmitted as an incentive total to the power storage request unit 706 (step 2604).
  • the total incentive amount is transmitted to the request performance DB 10 (step 2605).
  • FIG. 27 is a schematic diagram of a demand management apparatus and system according to the second embodiment. It is the outline of a distributed storage type demand management system and method when a storage battery owned by an electric power company is installed on the distribution side and information on storage battery consumption is used. Except for step 2701 for calculating the cost of the distribution-side storage battery in each region (minimum unit), this is the same as FIG. A predicted surplus power amount in units of time from each region (minimum unit) is calculated (step 2301), a predicted power supply amount in units of time to each region (minimum unit) is calculated (step 2302), and each region (minimum unit) is calculated.
  • the cost of power storage of the distribution-side storage battery in units is calculated (step 2701), and the power storage / consumption request amount for each region (minimum unit) is calculated (step 2303).
  • a region for notifying the surplus power is identified from the amount of increase in power supplied by the request for each region and the cost for surplus power processing (step 2304).
  • storing power in a storage battery in a location close to the area where the surplus power is generated is efficient because the surplus power can be absorbed in a narrower range.
  • a close storage battery is determined based on position information managed in units of Gr.
  • a closer storage battery is determined.
  • the total incentive amount is determined from the cost borne by the power company due to the occurrence of surplus power (step 2305).
  • An electric power storage / consumption request is made to a local consumer (step 2306). Incentives are distributed to each consumer (step 2307).
  • FIG. 28 is a schematic diagram of the demand management apparatus and system of the third embodiment. It is an outline of a demand management system and method when a generator owned by a customer is installed on the distribution side and information of the generator is used.
  • FIG. 28 The description of FIG. 28 is as follows.
  • the diesel engine 18, the generator access network 19, and the generator DB 20 are added to the diagram of the first embodiment, and the rest is the same as the first embodiment.
  • the diesel 18 generates power based on the operation plan and supplies power to a specific customer or a group of customers in the area.
  • the generator access network 19 is connected to the diesel 18 and the generator DB 20.
  • the generator DB 20 is a database of information related to the generator. Here, there may be a plurality of diesel engines.
  • the operation plan data 2901 is data relating to information related to the operation plan of the generator acquired from the generator through the generator access network.
  • Data 2901 is data relating to the generators in the area, and has entries 2902 to 2908.
  • the entry 2902 is registration information of a unique number of the generator in each region.
  • the entry 2903 is registration information of the user ID of the generator owner in each region.
  • the entry 2904 is registration information of the date.
  • An entry 2905 is time zone registration information.
  • the entry 2906 is registration information of the operation continuation time in the generator operation plan in the time zone.
  • the entry 2907 is registration information of the power generation amount in the generator operation plan in the time zone.
  • the entry 2908 is registration information related to the surplus power amount predicted to be generated in the area during the time period.
  • the operation result data 3001 is data related to information related to the operation result of the generator acquired from the generator through the generator access network.
  • Data 3001 is data relating to the generators in the area, and has entries 3002 to 3007.
  • the entry 3002 is registration information of a unique number of a generator in each region.
  • the entry 3003 is registration information of the user ID of the generator owner in each region.
  • An entry 3004 is registration information of the date.
  • the entry 3005 is time zone registration information.
  • the entry 3006 is registration information of the generator operation duration in the time period.
  • the entry 3007 is registration information of the power generation amount of the generator in the time zone.
  • the entry 3008 is registration information of a ratio in which the change in the generator operation plan contributes to the absorption of surplus power when the generator operation plan is changed.
  • FIG. 31 is a flowchart for explaining a processing flow at the time of calculating the amount of requested power storage according to the third embodiment. This is a process of the power storage request amount calculation unit when requesting a change in the operation plan of the generator during a time zone when surplus power is generated.
  • the power storage request amount calculation unit 703 acquires the surplus power amount for each time zone of each region on the day calculated by the surplus power calculation unit 702 (step 3101). From the generator DB 20, the past operation results of the generators in the region are acquired, and the owner of the generator that is estimated to generate power in the time zone where surplus power is generated is specified (step 3102). For each owner, the amount requested to suppress power generation by changing the operation plan of the generator is transmitted to the power storage requesting unit (step 3103). When the operation plan in the time zone when surplus power is generated is changed, the power generation amount reduced by the plan is regarded as the amount of consumption of the surplus power by the owner and registered in the results DB 10 (step 3104).
  • the reduced remaining surplus power amount is set as the power storage request amount (step 3105), and if the operation plan is not changed, the surplus power amount for each time zone in each region is set as the power storage request amount (step 3106).
  • the number of requested users for each time zone in each region is calculated from the amount of power storage request for each time zone in each region and the average increase in power supply per user in each region (step 3107).
  • the power storage request amount and the number of requested users for each time zone in each region are transmitted to the power storage request unit 704 (step 3108).
  • the power storage request time zone and the power storage request amount in each region are transmitted to the request result DB 10 (step 3109).
  • the notification of the requested amount of power storage may notify the total amount of power requested to suppress power generation by changing the generator plan for each owner, or specify the amount of power desired to suppress power generation for each generator. You may notify separately.
  • the power generation of the generator may be controlled to be suppressed.
  • the power generation plan of the generator that can generate planned power other than natural energy, such as diesel
  • the power demand for the system power of the equipment in the area is increased.
  • the surplus power that flows back to the low-voltage distribution line can be absorbed.
  • Gr Based on the diesel location information and power generation results managed in units, the diesel user in the area is notified to change the power generation plan. If it is impossible to change the diesel power generation plan in the region, or if it is predicted that the surplus power will not be absorbed simply by changing the diesel power generation plan in the region, it will be necessary for diesel users in the adjacent region. Inform the power generation plan to change.
  • FIG. 32 is a schematic diagram of a demand management apparatus and system according to the third embodiment. It is the outline of a demand management system and a method in the case of requesting the stop of the generation
  • production power source which can carry out planned operation other than natural energy, such as diesel, for surplus power absorption.
  • step 3201 for predicting the power generation amount of the generator in each region.
  • Calculate the predicted surplus power amount in units of time from each region step 2301
  • calculate the predicted power supply amount in units of time to each region step 2302
  • calculate the cost of power storage of the distribution-side storage battery in each region Step 2701
  • the power generation prediction amount of the generator in each region is calculated (Step 3201)
  • the power storage / consumption request amount for each region is calculated (Step 2303).
  • the optimum region (range) for surplus power consumption / storage request is determined from the amount of increase in power supplied by the request for each region and the cost for surplus power processing (step 2304).
  • the total incentive amount is determined from the cost borne by the power company due to the occurrence of surplus power (step 2305).
  • An electric power storage / consumption request is made to a local consumer (step 2306). Incentives are distributed to each consumer (step 2307).
  • the customer By stopping the diesel on the side, the demand for system power can be increased and the voltage of the distribution network can be kept within the reference value. In addition, a larger CO2 generation suppressing effect can be obtained.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

Sur la base de seules informations de position sur une carte, il est difficile de déterminer, dans le but d'empêcher la production excessive d'un surplus d'énergie, quelles sont les sources de production qui doivent être notifiées et commandées. Pour résoudre ce problème, des informations de surplus d'énergie associés au surplus d'énergie produit dans une pluralité d'installations dans le passé sont obtenues, un surplus d'énergie est prédit en fonction des informations de surplus d'énergie obtenues, des informations régionales concernent la région dans laquelle le surplus d'énergie doit être produit sont obtenues en fonction du surplus d'énergie prédit, des appareils électriques qui sont des appareils consommateurs d'énergie ou des appareils générateurs d'énergie qui sont présents dans une région qui correspond à la région obtenue ou qui en est proche sont identifiés et la période de temps pendant laquelle le surplus d'énergie doit être produit et une quantité d'énergie ne dépassant pas l'amplitude du surplus d'énergie sont notifiées aux appareils électriques spécifiés ou aux utilisateurs des appareils électriques.
PCT/JP2011/000999 2011-02-23 2011-02-23 Système de gestion de la demande d'énergie et procédé de gestion de la demande d'énergie Ceased WO2012114372A1 (fr)

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JP2013009588A (ja) * 2011-06-24 2013-01-10 General Electric Co <Ge> マイクロ発電のデータのデータベースに関する方法およびシステム
CN102856930A (zh) * 2012-10-11 2013-01-02 天津市电力公司 微网经济调度控制方法
JP2015122836A (ja) * 2013-12-20 2015-07-02 積水化学工業株式会社 電力管理装置、電力管理方法及びプログラム
WO2015159356A1 (fr) * 2014-04-15 2015-10-22 株式会社日立製作所 Système de commande de courant et procédé de commande de courant
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JP2016025829A (ja) * 2014-07-24 2016-02-08 三菱電機株式会社 地域エネルギー管理装置、地域エネルギー管理システムおよび地域エネルギー管理方法
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JP2022189319A (ja) * 2021-06-11 2022-12-22 トヨタ自動車株式会社 充電システム、充電設備、送信装置および通知装置
JP7729078B2 (ja) 2021-06-11 2025-08-26 トヨタ自動車株式会社 充電システム、送信装置および通知装置

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