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WO2022190180A1 - Dispositif de prise en charge de réponse à une demande, procédé de prise en charge de réponse à une demande, et programme - Google Patents

Dispositif de prise en charge de réponse à une demande, procédé de prise en charge de réponse à une demande, et programme Download PDF

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Publication number
WO2022190180A1
WO2022190180A1 PCT/JP2021/009057 JP2021009057W WO2022190180A1 WO 2022190180 A1 WO2022190180 A1 WO 2022190180A1 JP 2021009057 W JP2021009057 W JP 2021009057W WO 2022190180 A1 WO2022190180 A1 WO 2022190180A1
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WIPO (PCT)
Prior art keywords
power
amount
consumer
aggregator
demand
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PCT/JP2021/009057
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English (en)
Japanese (ja)
Inventor
絵里子 岩佐
雅志 金子
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日本電信電話株式会社
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Application filed by 日本電信電話株式会社 filed Critical 日本電信電話株式会社
Priority to PCT/JP2021/009057 priority Critical patent/WO2022190180A1/fr
Priority to JP2023504897A priority patent/JP7552857B2/ja
Publication of WO2022190180A1 publication Critical patent/WO2022190180A1/fr

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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

Definitions

  • the present invention relates to a demand response management device, a demand response management method, and a program for controlling the consumption of electric power supplied by a power company to a consumer so that the consumer suppresses or promotes it.
  • Efforts are being made in each country to increase the proportion of renewable energy (also called renewable energy) in the total domestic power generation.
  • renewable energy also called renewable energy
  • renewable energy is easily influenced by the weather of the day, and it is difficult to stabilize supply and demand.
  • DR demand response
  • the electric power company asks the aggregator, which acts as an intermediary between the electric power company and the consumer and controls the balance of supply and demand, to adjust the amount of electricity used by the consumer.
  • the aggregator selects an appropriate consumer according to the request by demand response, and performs processing for suppressing or promoting the power consumption.
  • a consumer who has adjusted the power consumption receives an incentive (remuneration) according to the adjusted power amount, for example.
  • Patent Document 1 and Non-Patent Document 1 disclose conventional technologies related to such DR.
  • VPP Virtual Power Plant
  • DR Demand Response
  • the demand response management device of the present invention responds to a consumer selection instruction in a power demand adjustment request from an aggregator that performs demand response for adjusting the amount of power used by a consumer who consumes power.
  • a selection unit that selects one or a plurality of consumers, wherein the selection unit selects and selects the number of consumers whose power adjustable amount satisfies the power adjustment request amount related to the adjustment request; and notifying the aggregator of the customers who have
  • FIG. 4 is a first flowchart for explaining the operation of power demand promotion processing by the DR management device;
  • FIG. 9 is a second flowchart for explaining the operation of the power demand acceleration process by the DR management device;
  • FIG. 1 is a block diagram showing the configuration of a power transmission/distribution system including a demand response (DR) management device according to an embodiment of the present invention.
  • DR demand response
  • a power transmission/distribution system (also referred to as a system) 10 shown in FIG. 1 includes a DR management device 20 between a power system area A and a power system area B that generate, transmit, and distribute power and are separated from each other. It is configured.
  • the power system areas A and B are also referred to as power systems A and B or systems A and B.
  • the electric power system area A constitutes the first electric power system recited in the claims
  • the electric power system area B constitutes the second electric power system recited in the claims.
  • the DR management device 20 includes a consumer management unit 21 having a storage unit 21a, a DR task management unit 22 having a storage unit 22a and a task shift instructing unit 22c, a consumer selection unit 23, and a power estimation unit 24. configured as follows.
  • the electric power system area A includes an electric power company 32 having a renewable energy power plant 31 such as a photovoltaic power generation 31a, an aggregator 33, and a plurality of data centers (also referred to as DCs) 34a to 34n as consumers.
  • the electric power system area B includes an electric power company 42 having a renewable energy power plant 41 such as a wind power generation 41a, an aggregator 43, and a plurality of data centers 44a to 44n.
  • consumers refer to communication bases other than the data centers 34a to 34n and 44a to 44n, where a group of servers capable of processing and migrating tasks (described later) such as communication stations are located.
  • the data centers 34a-34n, 44a-44n are provided with servers that use power supplied from the power companies 32, 42 to perform data processing according to various programs.
  • a task is data processing by various programs executed by a server, and power is consumed according to this task.
  • the aggregator 33 performs demand response in response to an adjustment request from the power company 32 to increase or decrease the amount of power used in the data centers 34a to 34n.
  • Demand response is an adjustment process that selects an appropriate data center from among the data centers 34a to 34n and suppresses or promotes the power consumption of the selected data center.
  • a DR that suppresses the amount of power used is referred to as a reduced DR
  • a DR that promotes the amount of power used is referred to as an increased DR.
  • the aggregator 33 When the electric power company 32 in the same system A makes a request for reduction or promotion of power demand, the aggregator 33 provides a demand reduction request amount (also referred to as a reduction request amount) or a demand promotion request in response to the reduction request or promotion request.
  • the requested quantity also referred to as an accelerated requested quantity
  • the consumer selection instruction is performed after adjusting the distribution of the requested suppression amount or the requested promotion amount among the aggregators 33 .
  • the requested suppression amount or the requested promotion amount is selected in order according to the magnitude of the amount, or the aggregators 33 cooperate with each other.
  • the consumer selection unit 23 since the consumer selection unit 23 has information on consumers under the control of multiple aggregators, there is an advantage in that optimum selection can be made rather than on an aggregator-by-aggregator basis.
  • a request for reduction or promotion of power demand is an adjustment request described in the claims.
  • the demand curtailment request amount (suppression request amount) or the demand promotion request amount (promotion request amount) is the adjustment request amount described in the claims.
  • the consumer selection unit 23 refers to the demand adjustment data table 21b (also referred to as the table 21b) (FIG. 2) stored in the storage unit 21a of the consumer management unit 21, and sends Among the associated plurality of data centers 34a-34n, a data center 34a-34n that satisfies the throttle request amount or the promotion request amount is selected. In this selection, one or more data centers 34a-34n can be selected. The detailed processing of this selection will be described later.
  • the table 21b constitutes the first table described in the claims.
  • the consumer management unit 21 stores, in the storage unit 21a, a table 21b shown in FIG. 2 and manages the amount of electric power that can be suppressed or promoted in each of the data centers 34a to 34n. For each data in the table 21b, the consumer management unit 21 executes request processing in response to requests for registration, deletion, change, etc. from the aggregator 33 or the data centers 34a to 34n.
  • the table 21b includes a consumer number, an aggregator number, a possible demand suppression amount [Kwh] (possible downward DR amount), a possible demand promotion amount [Kwh] (possible increasing DR amount), and a server free space, which will be described later.
  • the resource amount number of cores
  • baseline power [Kw] and current power [Kw] are arranged and described.
  • the amount of demand that can be suppressed or the amount of demand that can be promoted constitutes the adjustable amount described in the claims.
  • the free resource amount is the number of cores.
  • the consumer number is a unique number of each data center 34a to 34n, for example, the unique number "01" of the data center 34a described in the first row of the table 21b. Henceforth, the numerical value of the 1st line is made into a representative example.
  • This consumer number is registered or deleted in response to a request from the aggregator 33 to register or delete the data centers 34a to 34n.
  • the aggregator number is a unique number of each aggregator, and the unique number "01" of the aggregator 33 is described in the first line.
  • the amount of demand that can be suppressed is the power amount that can reduce the power consumption of each data center 34a to 34n, and the first line is 100 [Kwh] for the data center 34a. That is, it is possible to reduce the power consumption of the data center 34a by 100 [Kwh].
  • This demand control amount is changed according to requests from the data centers 34a to 34n.
  • the demand promotion potential amount is the amount of power that can be used to increase the amount of power used in each of the data centers 34a to 34n, and 50 [Kwh] for the data center 34a is listed in the first row. In other words, it is possible to raise the power consumption of the data center 34a by 50 [Kwh]. This demand expeditable amount is changed in response to requests from the data centers 34a-34n.
  • the amount of available resources is the amount of available resources (the number of cores in this example) of servers in each of the data centers 34a to 34n.
  • the first line describes the number of cores “60”.
  • the number of cores indicates the number of cores "60" that the server of the data center 34a performs calculations for task processing. This free resource amount is changed according to requests from the data centers 34a-34n.
  • the baseline power is the reference power when calculating incentives for each data center 34a to 34n in advance, and 1000 [Kwh] for the data center 34a is listed in the first line.
  • the current power is the power currently being used by each of the data centers 34a to 34n, and the power 900 [Kwh] of the data center 34a is listed in the first row.
  • the consumer selection unit (also referred to as a selection unit) 23 selects the data centers 34a to 34n that satisfy the requested amount of suppression in accordance with the consumer selection instruction from the aggregator 33 will be described.
  • the consumer selection instruction may be made after adjusting the distribution of the requested suppression amount among the aggregators 33 .
  • the selection unit 23 searches the table 21b shown in FIG. 2 for the aggregator number "01" of the aggregator 33 that has issued the consumer selection instruction, and selects the consumer number "01" associated with the searched aggregator number "01". 01, 02, 03”. Next, the selection unit 23 selects the possible demand suppression amount “100, 80, 30” [ Kwh] are added in descending order from large to small. Next, the selection unit 23 selects the data centers 34a to 34n related to this addition until the added value becomes equal to or greater than the suppression request amount (for example, 210 [Kwh]) notified in pairs with the consumer selection instruction. . This selection method is an example.
  • the selection unit 23 returns the selected data centers 34a to 34n to the aggregator 33. At this time, if the demand controllable amount of the selected data center 34a to 34n exceeds the control request amount, the excess demand controllable amount is returned to the aggregator 33 as the excess control amount of the data center added last. do.
  • the selection unit 23 calculates the insufficient suppression amount that does not meet the requested suppression amount and returns it to the aggregator 33 .
  • the aggregator 33 notifies the electric power company 32 that the suppression request amount cannot be met.
  • task migration can be performed in the same way as when the requested amount for promotion, which will be described later, is not satisfied.
  • the aggregator 33 requests the data centers 34a to 34n selected by the selection unit 23 to reduce demand, and the data centers 34a to 34n reduce the demand for power in response to this request.
  • the aggregator 33 notifies the selection unit 23 of the promotion demand amount corresponding to this promotion request, and instructs the consumer selection. conduct.
  • the consumer selection instruction may be made after adjusting the distribution of the requested promotion amount among the aggregators 33 .
  • the selection unit 23 searches the table 21b (FIG. 2), and selects the data centers 34a to 34n that satisfy the promotion request amount among the plurality of data centers 34a to 34n associated with the aggregator 33 that has issued the consumer selection instruction. 34n. In this selection, one or more data centers 34a-34n can be selected.
  • the selection unit 23 searches the table 21b shown in FIG. 2 for the aggregator number "01" of the aggregator 33 that has issued the consumer selection instruction, and selects the consumer number "01” associated with the searched aggregator number "01". 01, 02, 03”. Next, the selection unit 23 selects the demand facilitation possible amount "50, 100, 50" [Kwh] associated with the data centers 34a to 34n of the consumer number "01, 02, 03" in descending order from large to small. add to Next, the selection unit 23 selects the data centers 34a to 34n related to this addition until the added value becomes equal to or greater than the promotion request amount (for example, 200 [Kwh]) notified in pairs with the consumer selection instruction. .
  • the promotion request amount for example, 200 [Kwh]
  • the selection unit 23 returns the selected data centers 34a to 34n to the aggregator 33. At this time, if the potential demand acceleration amount of the selected data center 34a to 34n exceeds the requested promotion amount, the excess potential demand promotion amount is returned to the aggregator 33 as the excess promotion amount of the data center added last. do.
  • the aggregator 33 requests the data centers 34a to 34n selected by the selection unit 23 to implement demand promotion, and the data centers 34a to 34n promote power demand in response to this request.
  • the selection unit 23 calculates an insufficient promotion power amount that does not meet the promotion request amount, and notifies the DR task management unit 22 of it.
  • the DR task management unit 22 instructs the task shift instructing unit (also referred to as instructing unit) 22c to change the data center of the power system B (transfer source) that is different from the power system A in which the accelerated power shortage has occurred.
  • 44a to 44n instruct to migrate task data (described later) to the data centers 34a to 34n of power system A (destination of migration) (referred to as inter-DC task migration).
  • Task data is data for which a server in a data center consumes power to perform task processing.
  • the amount of power consumption is the amount of power used by the data center.
  • the electric power estimating unit 24 estimates the promoted power amount of each task data of the data centers 44a to 44n of the transfer source so that it becomes equal to or greater than the promoted insufficient power amount. Combine task data.
  • the data centers 44a to 44n of the migration source send the task data to the migration destination, which consumes an amount of power corresponding to the accelerated power shortage during data processing, by controlling the VM (Virtual Machine) or the like in accordance with the inter-DC task migration instruction.
  • data centers 34a-34n The servers in the destination data centers 34a to 34n perform data processing related to the migrated task data.
  • the accelerated power consumption of the data centers 34a to 34n during this data processing is measured at the data centers 34a to 34n, and the measured power consumption is notified to the power estimation unit 24 of the DR management device 20.
  • the power estimating unit 24 calculates the amount of power measured from the data centers 34a to 34n and the possible amount of demand promotion (the number of cores in this example) of each task data selected to compensate for the insufficient power amount to be promoted at the time of task transfer between DCs. Feedback processing is performed so as to eliminate the difference between the promotion power estimated amount (estimated power consumption amount) estimated based on the estimated amount of power consumption.
  • the task migration instruction unit 22c directs the task migration data table 22b (also referred to as table 22b) (FIG. 3) stored in the storage unit 22a of the DR task management unit 22 to Refer to and combine task data.
  • the table 22b constitutes a second table described in the claims.
  • the consumer number, task number, demand acceleration capacity (number of cores), execution time, migration easiness, and request incentive are arranged and described.
  • the table 22b shows each data related to the source data centers 44a to 44n.
  • the consumer number is a unique number for each of the data centers 44a to 44n.
  • the first row of the table 22b describes the unique number "01" for the data center 44a.
  • the task number is the unique number of task data that can be migrated.
  • the amount of demand that can be promoted is expressed in terms of the number of cores.
  • the number of cores is the number of cores on which the servers of each data center 44a-44n perform calculations during task processing.
  • the amount of demand promotion possible at the time of task processing (data processing) in each of the data centers 44a to 44n is represented by the number of cores as the resource amount of the server. For example, the number of cores "10" in the first line indicates that the number of cores "10" is consumed in the data center.
  • the number of cores which is the amount of free resources of the server, is used as the demand acceleration possible amount, the capacity of the memory or storage disk of the server may be used.
  • Execution time is the execution time of task processing (data processing) related to task data. For example, an execution time of "20" indicates that the task data to be migrated will take an execution time of "20" with the number of cores of "10” in order to consume the promoted power amount corresponding to the target promoted power shortage. show.
  • Ease of migration represents the degree of difficulty of migrating task data. In this example, “01” is easy, “02” is acceptable, and “03” is not recommended.
  • migration of task data related to task processing that requires batch processing or pre-computation is easy.
  • task data that is being processed or task data that is large in size and that requires a large amount of time to migrate is more difficult to migrate.
  • Demand incentives are numerical representations of different incentives demanded by consumers.
  • the selection unit 23 when it notifies the task transfer instruction unit 22c of FIG. 1 of the promotional shortage of power, it refers to the table 22b shown in FIG. 3 to combine task data to be transferred.
  • the values of migration easiness are in ascending order from small to large, "01, 02, 03", and secondly, the number of cores x execution time is in descending order from large to small (in other words, A two-stage sorting is performed in which the promotion power amount is arranged in descending order from large to small.
  • the order in which the distance between the migration source and migration destination data centers is shortest is also a parameter for the selection order.
  • the data centers are connected by a network independent of the components of the power system A or B, so the order of network distance is shortest.
  • the instructing unit 22c selects the order arranged by the two-step sorting, that is, the task data related to the task in which the task data is easily transferred and the power is easily accelerated.
  • the power estimation unit 24 calculates whether or not the selected task data satisfies the promoted power amount P corresponding to the promoted power shortage using the following equation (1).
  • Expression (1) is a relational expression between the required acceleration power amount P and the number of cores C, which will be described later.
  • the promotion power amount P corresponding to the promotion shortage power amount is also expressed as the required promotion power amount P.
  • P ( ⁇ C+ ⁇ ) ⁇ t (1)
  • P the promotion power amount corresponding to the promotion shortage power amount
  • C the number of cores
  • ⁇ , ⁇ coefficients
  • t the execution time with the number of cores.
  • the number of cores has been exemplified as a parameter used for estimating the required promotion power amount P, it is also possible to use a parameter that is the usage rate of the server's CPU, memory, disk, etc., or a parameter that is a combination of a plurality of these parameters. good. Multiple regression analysis is used when estimating the required promotion power amount P from a plurality of parameters.
  • the instruction unit 22c sequentially selects the task data to be transferred from the top until the required promotion power amount P or more is reached. If there is no selectable task data at the time of this selection, there is no task data and there is a shortage. Calculate the number of cores and respond to the aggregator 33 .
  • the instruction unit 22c selects the destination data centers 34a to 34n after selecting the task data corresponding to the required promotion power amount P described above.
  • the instruction unit 22c refers to the table 21b (FIG. 2) of the consumer management unit 21, and arranges the number of cores, which are the amount of available resources, in descending order from large to small.
  • the instructing unit 22c selects the data centers 34a to 34n in descending order of the number of cores and integrates them, and selects the data centers 34a to 34n as the migration destination until the integrated number of cores reaches the required promotion power amount P or more. select.
  • the instruction unit 22c instructs the transfer destination data centers 34a to 34n to transfer the task data that consumes the required promotion power amount P or more, that is, the inter-DC task transfer instruction.
  • the selection of task data combinations for task transfer between DCs is defined as an optimization problem of finding a set of task data that satisfies the required promotion power amount P from multiple task data, so various algorithms can be selected.
  • the method of selecting the destination data centers 34a to 34n is the same.
  • the task shift instruction unit 22c obtains the demand promotion potential amount, the number of cores as the amount of available resources, the baseline power, and the current power from the table 21b related to each of the data centers 34a to 34n of the migration destination in the consumer management unit 21. Get data.
  • the instruction unit 22c arranges the calculation results of baseline electric power - (current electric power + possible demand promotion amount) in ascending order in each of the data centers 34a to 34n, A two-stage sorting is performed in which the number of cores, which is the quantity, is arranged in descending order.
  • the baseline power is the reference power at the time of incentive calculation and is determined in advance.
  • the current power plus potential demand promotion amount is the power forecast amount after the increased DR for the tasks in the data centers 34a-34n.
  • the calculation result of baseline power - (current power + potential demand promotion amount) is the calculation result of subtracting the power forecast amount after the increase DR from the reference power at the time of incentive calculation. It becomes a smaller value as the amount of electric power at the time increases.
  • the instruction unit 22c selects the destination data centers 34a to 34n according to the order arranged by the above two-stage sorting until the number of cores consuming the required boosted power amount is exceeded. In this selection, the greater the number of cores, which is the amount of free resources, and the greater the difference between the total power consumption after promotion and the baseline power, the higher the incentive (incentive value).
  • the request incentives in each data center 34a-34n are predetermined as described in the table 22b shown in FIG. Therefore, the instruction unit 22c calculates incentives from the selection results of the data centers 34a to 34n, and targets only the data centers 34a to 34n whose calculation results are equal to or greater than the required incentive value for inter-DC task migration.
  • the instruction unit 22c calculates incentives from the selection results of the data centers 34a to 34n, and targets only the data centers 34a to 34n whose calculation results are equal to or greater than the required incentive value for inter-DC task migration.
  • the proportional ratio with the data centers 44a to 44n, which are the migration sources is determined in advance.
  • the DR management device 20 is implemented by a computer 100 configured as shown in FIG. 4, for example.
  • the computer 100 includes a CPU (Central Processing Unit) 101, a ROM (Read Only Memory) 102, a RAM (Random Access Memory) 103, a HDD (Hard Disk Drive) 104, an input/output I/F (Interface) 105, a communication I/ It has an F (Inter Face) 106 and a media I/F 107 .
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • HDD Hard Disk Drive
  • I/F input/output
  • a communication I/ It has an F (Inter Face) 106 and a media I/F 107 .
  • the CPU 101 operates based on programs stored in the ROM 102 or HDD 104, and controls each functional unit.
  • the ROM 102 stores a boot program executed by the CPU 101 when the computer 100 is started, a program related to the hardware of the computer 100, and the like.
  • the CPU 101 controls an output device 111 such as a printer or display and an input device 110 such as a mouse or keyboard via the input/output I/F 105 .
  • the CPU 101 acquires data from the input device 110 or outputs generated data to the output device 111 via the input/output I/F 105 .
  • the HDD 104 stores programs executed by the CPU 101 and data used by the programs.
  • Communication I/F 106 receives data from another device (not shown) via communication network 112 and outputs the data to CPU 101, and also transmits data generated by CPU 101 to another device via communication network 112. .
  • the media I/F 107 reads programs or data stored in the recording medium 113 and outputs them to the CPU 101 via the RAM 103 .
  • the CPU 101 loads a program related to target processing from the recording medium 113 onto the RAM 103 via the media I/F 107, and executes the loaded program.
  • the recording medium 113 is an optical recording medium such as a DVD (Digital Versatile Disc) or a PD (Phase change rewritable Disk), a magneto-optical recording medium such as an MO (Magneto Optical disk), a magnetic recording medium, a conductor memory tape medium, a semiconductor memory, or the like. is.
  • the CPU 101 of the computer 100 implements the functions of the DR management device 20 by executing programs loaded on the RAM 103 .
  • Data in the RAM 103 is also stored in the HDD 104 .
  • the CPU 101 reads a program related to target processing from the recording medium 113 and executes it.
  • the CPU 101 may read a program related to target processing from another device via the communication network 112 .
  • FIG. 5 to 7 correspond to the data centers 34a to 34n and 44a to 44n shown in FIG.
  • FIG. 5 is a flowchart for explaining the operation of power demand reduction processing by the DR management device 20 .
  • step S1 shown in FIG. 5 when the power company 32 in the same system A requests a reduction in power demand, the aggregator 33 performs DR management of a demand reduction request amount (reduction request amount) in response to the reduction request.
  • the consumer selection unit 23 of the device 20 is notified.
  • step S2 the aggregator 33 instructs the selector 23 to select a customer, that is, to select one of the data centers 34a to 34n.
  • step S3 the selection unit 23 searches the table 21b of the consumer management unit 21 for the aggregator number (for example, "01") of the aggregator 33 that has issued the selection instruction, and corresponds to the searched aggregator number "01". Search for the three attached customer numbers "01, 02, 03". Furthermore, the selection unit 23 selects three possible demand suppression amounts (also referred to as suppression amounts) associated with the three data centers corresponding to the customer numbers "01, 02, 03" from among the data centers 34a to 34n. ) Get “100,80,30” [Kwh].
  • suppression amounts also referred to as suppression amounts
  • step S4 the selection unit 23 sorts the three suppression amounts "100, 80, 30" [Kwh] in descending order.
  • step S5 the selection unit 23 adds the three suppression amounts sorted in descending order one by one in descending order.
  • step S6 the selection unit 23 determines whether or not the added value is equal to or greater than the requested suppression amount. However, if there is one suppression amount in step S5, it is determined in step S6 whether or not one suppression amount is greater than or equal to the suppression request amount.
  • step S7 it is determined whether or not there is the next suppression amount sorted in descending order in step S4. As a result of this determination, if there is a suppression amount (Yes), the process returns to step S5 to add the next suppression amount.
  • step S6 it is determined in step S6 that the added value is equal to or greater than the requested suppression amount (Yes).
  • step S8 a plurality of data centers related to the addition exceeding the requested suppression amount are selected.
  • step S9 the selection unit 23 notifies the aggregator 33 of the selected plurality of data centers.
  • step S10 the aggregator 33 responds to the electric power company 32 with the total amount of suppression (demand suppression possible amount) that has been added up to the above requested suppression amount or more.
  • step S11 the aggregator 33 instructs the selected plurality of data centers to implement demand reduction. In accordance with this instruction, multiple data centers curb the demand for electric power.
  • step S ⁇ b>12 the aggregator 33 responds to the electric power company 32 that the demand reduction is completed when receiving the notification that the demand reduction has been completed at the plurality of data centers.
  • step S7 it is determined that there is no next suppression amount sorted in descending order (No).
  • step S ⁇ b>13 the selection unit 23 calculates an insufficient suppression amount that is less than the requested suppression amount and returns it to the aggregator 33 .
  • step S14 the aggregator 33 notifies the electric power company 32 that the requested amount of suppression cannot be satisfied.
  • FIG. 6 is a flow chart for explaining the operation of power demand promotion processing by the DR management device 20 .
  • step S21 shown in FIG. 6 when the electric power company 32 in the same system A requests the promotion of power demand, the aggregator 33 sends a demand promotion request amount (promotion request amount) corresponding to the promotion request to the DR management device. 20 is notified to the consumer selection unit 23 . At the same time, in step S22, the aggregator 33 instructs the selector 23 to select a customer, that is, to select one of the data centers 34a to 34n.
  • step S23 the selection unit 23 searches the table 21b of the consumer management unit 21 for the aggregator number (for example, "01") of the aggregator 33 that has issued the selection instruction, and corresponds to the searched aggregator number "01". Search for the three attached customer numbers "01, 02, 03". Further, the selection unit 23 selects three possible demand acceleration amounts (also referred to as acceleration amounts) associated with the three data centers corresponding to the customer numbers "01, 02, 03" from among the data centers 34a to 34n. ) Get “50, 100, 50” [Kwh].
  • acceleration amounts also referred to as acceleration amounts
  • step S24 the selection unit 23 sorts the three acceleration amounts "50, 100, 50" [Kwh] in descending order.
  • step S25 the selection unit 23 adds the three promotion amounts sorted in descending order one by one in descending order.
  • step S26 the selection unit 23 determines whether or not the added value is equal to or greater than the requested acceleration amount. However, if there is one promotion amount in step S25, it is determined in step S26 whether or not one promotion amount is greater than or equal to the requested promotion amount.
  • step S27 it is determined whether or not there is the next promotion amount sorted in descending order in step S24. As a result of this determination, if there is an acceleration amount (Yes), the process returns to step S25 to add the next acceleration amount.
  • step S26 it is determined in step S26 that the added value is equal to or greater than the requested acceleration amount (Yes).
  • step S28 the selection unit 23 selects a plurality of data centers for which the amount equal to or greater than the promotion request amount is added.
  • step S29 the selection unit 23 notifies the aggregator 33 of the selected plurality of data centers.
  • step S30 the aggregator 33 responds to the electric power company 32 with the total promotion amount (potential demand promotion amount) that has been added up to the requested promotion amount or more.
  • step S31 the aggregator 33 instructs the selected plurality of data centers to implement demand promotion. In response to this instruction, multiple data centers perform power demand promotion.
  • step S32 the aggregator 33 responds to the electric power company 32 of the electric power system A that the demand promotion is completed when receiving the notification that the demand promotion is completed at the plurality of data centers.
  • step S27 it is assumed that the selection unit 23 determines that there is no next promotion amount sorted in descending order (No). In this case, the promotion amount is less than the suppression request amount, and the process proceeds to step S33 shown in FIG.
  • step S ⁇ b>33 the selection unit 23 calculates an insufficient amount of accelerated electric power that does not meet the requested amount of acceleration, and notifies the DR task management unit 22 of it.
  • step S34 the instructing unit 22c selects task data from the data centers 44a to 44n of the power system B (source) different from the power system A in which the accelerated power shortage occurred. That is, the instructing unit 22c selects task data to be combined based on the task transition data table 22b stored in the storage unit 22a according to the promotion shortage of power. For example, the instruction unit 22c selects task data related to a task that facilitates transfer of task data and facilitates power consumption in the order in which the task data are arranged by the two-stage sorting described above.
  • step S35 the power estimating unit 24 calculates whether the selected task data is equal to or greater than the promotion power amount P (required promotion power amount P) corresponding to the promotion shortage power amount using the above-described formula (1). and judge.
  • step S35 the power estimator 24 determines whether or not the added value of the selected task data is equal to or greater than the required promotion power amount P.
  • step S36 the instructing unit 22c instructs the data centers 44a to 44n of the migration source to to 34n, an inter-DC task transfer instruction to transfer the task data corresponding to the required promotion power amount P is given.
  • step S37 the source data centers 44a to 44n migrate the task data corresponding to the required promotion power amount P to the destination data centers 34a to 34n in accordance with the inter-DC task migration instruction.
  • step S38 the servers of the destination data centers 34a to 34n perform data processing related to the migrated task data.
  • step S39 the destination data centers 34a to 34n measure the accelerated power consumption during data processing of the data centers 34a to 34n, and notify the power estimation unit 24 of the measured power consumption.
  • step S40 the power estimating unit 24 calculates both the notified measured power amount and the required promotion power amount P of the task data transferred between DC tasks in step S38 (both of each). compare.
  • step S41 the power estimating unit 24 determines whether there is a difference between the above two by the comparison.
  • step S32 when the aggregator 33 receives a notification that demand promotion has been completed at a plurality of data centers, the power company of the power system A 32 to respond to completion of demand promotion.
  • the power estimation unit 24 increases the estimation accuracy so that the difference disappears in step S42. That is, the coefficients ⁇ and ⁇ in the above equation (1) are changed so as to obtain the required promotion power amount P that eliminates the above difference.
  • the aggregator 33 performs the response processing in step S32 (FIG. 6), and waits for the next power demand promotion request from the power company 32 (step S21).
  • the demand response management device 20 responds to a consumer selection instruction in a power demand adjustment request from the aggregator 33 that performs a demand response for adjusting the amount of power used by the data centers 34a to 34n as consumers that consume power.
  • a selection unit 23 is provided for selecting one or a plurality of data centers 34a to 34n accordingly. The selection unit 23 selects the number of data centers 34a to 34n whose power adjustable amount satisfies the power adjustment request amount related to the adjustment request, and sends the selected data centers 34a to 34n to the aggregator 33. It was configured to notify.
  • the selection unit 23 determines that the adjustable amount of power of the data centers 34a to 34n is the power adjustment amount related to the adjustment request. The number of data centers 34a to 34n that satisfies the required amount is selected, and the selected data centers 34a to 34n are notified to the aggregator 33. Therefore, when the electric power company 32 requests the aggregator 33 to reduce the power demand of the data centers 34a to 34n, the aggregator 33 requests the data centers 34a to 34n selected by the selection unit 23 to adjust power. make a response. With this demand response, the demand at the data centers 34a to 34n can be adjusted according to changes in the amount of power generated by the electric power company 32, so that the supply and demand of electric power can be efficiently balanced.
  • the consumer number which is the unique number of the consumer
  • the aggregator number which is the unique number of the aggregator 33
  • the controllable amount that can control the power consumption of the consumer correspond to each other.
  • a storage unit 21a for storing the attached table 21b is provided.
  • the selection unit 23 searches the table 21b for the possible reduction amount in descending order, and the sum of the searched reduction amounts is the power reduction requested amount related to the reduction request. is satisfied, the data centers 34a to 34n having the consumer numbers associated with the retrieved controllable amount are selected, and the selected data centers 34a to 34n are notified to the aggregator 33.
  • the aggregator 33 supplies power to the data centers 34a to 34n selected by the selection unit 23. Perform demand response to suppress. With this demand response, the demand at the data centers 34a to 34n can be suppressed in accordance with the decrease in the amount of power generated by the power company 32, so that the supply and demand of power can be efficiently balanced.
  • the consumer number which is the unique number of the consumer
  • the aggregator number which is the unique number of the aggregator 33
  • the promotionable amount that can promote the power consumption of the consumer correspond to each other.
  • a storage unit 21a for storing the attached table 21b is provided.
  • the selection unit 23 searches the table 21b for the promotionable amount in descending order, and the added value of the searched promotionable amount is the requested acceleration amount for the power demand related to the promotion request. is satisfied, the data centers 34a to 34n having the consumer numbers associated with the searched expeditable amount are selected, and the selected data centers 34a to 34n are notified to the aggregator 33.
  • the aggregator 33 supplies power to the data centers 34a to 34n selected by the selection unit 23. Promote demand response. With this demand response, the demand at the data centers 34a to 34n can be promoted in accordance with the increase in the amount of power generated by the electric power company 32, so that the supply and demand of electric power can be efficiently balanced.
  • the selection unit 23 obtains an accelerated shortfall amount of power that does not meet the acceleration request amount when the selectable data centers 34a to 34n cannot satisfy the acceleration request amount of power related to the acceleration request.
  • the demand response management device 20 includes a consumer number that is a unique number of a consumer, a task number that is a unique number of task data that is a data processing target that consumes the accelerated power shortage and that can be transferred between consumers,
  • a storage unit 22a is provided for storing a table 22b in which the amount of promotion possible at the time of data processing of task data is associated with each other.
  • the demand-response management device 20 sets the data center 34a of the source customer number related to the aggregator 43 of the power system B, which is different from the power system A in which the aggregators 33 related to the data centers 34a to 34n causing the accelerated power shortage are present.
  • the task data for data processing that consumes the promoted power amount corresponding to the promoted power shortage is selected by referring to the table 22b, and the selected task data is transferred to the aggregator 33 of the power system A.
  • An instruction unit 22c for instructing migration to the data centers 34a to 34n is provided.
  • the source data centers 34a to 34n migrate the task data to the destination data centers 34a to 34n in accordance with the instructions, and the destination data centers 34a to 34n send the requested acceleration amounts to the migrated task data. It is configured to be consumed.
  • demand response for accelerating and adjusting the amount of power used in the data centers 34a to 34n can be performed between the power companies 32, 42 associated with the aggregators 33, 43 of different power systems.
  • the demand response management device 20 estimates the task data for consuming the promoted power amount corresponding to the promoted power shortage, and instructs the instruction unit 22c to select the estimated task data.
  • the power estimating unit 24 uses the measured power amount measured at the data centers 34a to 34n of the power system A for the accelerated power amount during task data processing after the migration in the data centers 34a to 34n of the migration destination, and the task after the migration. If there is a difference between the data and the promoted power amount corresponding to the estimated power shortage, the estimation accuracy is increased so as to eliminate the difference.
  • the power estimating unit 24 selects the task of the promoted power amount corresponding to the promoted power shortage.
  • the data can be estimated accurately and the instruction unit 22c can be instructed to make a selection.
  • the instruction unit 22c processes the task data selected when instructing the migration of the task data from the source data centers 34a to 34n to the destination data centers 34a to 34n.
  • the computer is the demand response management device 20 that instructs the demander to be adjusted to the aggregator 33 that performs the demand response that adjusts the amount of power used by the consumer that consumes power.
  • This program causes the computer to select one or a plurality of data centers 34a to 34n according to a consumer selection instruction in a power demand adjustment request from the aggregator 33.
  • the number of data centers 34a to 34n whose power adjustment possible amount satisfies the power adjustment request amount related to the adjustment request is selected, and the selected data centers 34a to 34n function as means for notifying the aggregator 33.
  • the demand at the data centers 34a to 34n can be adjusted in accordance with changes in the amount of power generated by the power company 32, so the supply and demand balance of power can be achieved efficiently.
  • a selection unit that selects one or more consumers in response to a consumer selection instruction in a power demand adjustment request from an aggregator that performs a demand response to adjust the amount of power used by a consumer that consumes power. wherein the selection unit selects a number of consumers whose power adjustable amount satisfies the power adjustment request amount related to the adjustment request, and notifies the selected consumers to the aggregator. It is a demand response management device that
  • the selection unit determines that the adjustable amount of power of the consumer satisfies the requested power adjustment amount related to the adjustment request. and notify the aggregator of the selected consumers. Therefore, when the electric power company requests the aggregator to reduce the power demand of the consumer, the aggregator performs a demand response to adjust the power of the consumer selected by the selection unit. With this demand response, it is possible to adjust the demand at the consumer according to changes in the amount of power generated by the electric power company, so it is possible to efficiently balance the supply and demand of electric power.
  • (2) Stores a first table in which a customer number that is a unique number of a customer, an aggregator number that is a unique number of an aggregator, and a curbable amount that can curb the power consumption of a customer are associated with each other.
  • the selection unit searches for the suppressible amount from the first table when the power demand adjustment request is a suppression request, and the added value of the searched suppressible amount is the suppression request.
  • the consumer having the consumer number associated with the retrieved curtailable amount is selected, and the selected consumer is notified to the aggregator.
  • the aggregator when the electric power company requests the aggregator to reduce the power demand of the consumer, the aggregator performs demand response to reduce power to the consumer selected by the selection unit. With this demand response, it is possible to suppress the demand at the consumer according to the reduction in the amount of power generated by the electric power company, so it is possible to efficiently balance the supply and demand of electric power.
  • the aggregator when the electric power company requests the aggregator to promote power demand from consumers, the aggregator performs demand response to promote power to the consumers selected by the selection unit. With this demand response, it is possible to promote demand at consumers according to an increase in the amount of power generated by the electric power company, so it is possible to efficiently balance the supply and demand of electric power.
  • the selecting unit obtains an accelerated shortfall amount of electric power that is short of the requested acceleration amount when the demanded promotion amount of electric power related to the acceleration request cannot be satisfied by the selectable consumers, and A consumer number that is a unique number of a house, a task number that is a unique number of task data that is a data processing target that consumes the accelerated power shortage and that can be transferred between consumers, and acceleration during data processing of task data.
  • a storage unit that stores a second table in which the available energy is associated with each other; and a transition source related to the aggregator of the second power system different from the first power system in which the aggregator related to the consumer that causes the accelerated power shortage exists.
  • demand response which accelerates and adjusts the amount of power used by consumers, can be performed between power companies related to aggregators of different power systems.
  • a power estimating unit that estimates task data for consuming the promoted power amount corresponding to the promoted power shortage and instructs the instruction unit to select the estimated task data, wherein the power estimating unit is the measured power amount measured by the consumer of the first power system when the promoted power amount at the time of task data processing after migration at the migration destination customer is measured, and the estimated promotion power amount of the post-migration task data
  • the power estimating unit is the measured power amount measured by the consumer of the first power system when the promoted power amount at the time of task data processing after migration at the migration destination customer is measured, and the estimated promotion power amount of the post-migration task data
  • the power estimation unit selects the task data of the promoted power amount corresponding to the promoted power shortage.
  • the selection can be instructed to the instruction section by estimating accurately.
  • the instruction unit when instructing the migration of the task data from the migration source consumer to the migration destination consumer, specifies the amount of free resources of the server of the consumer that processes the selected task data. ( 4) or a demand response management device according to (5).
  • DR management device 10 power transmission and distribution system 20 demand response (DR) management device 21 consumer management unit 21a storage unit 21b demand adjustment data table 22 DR task management unit 22a storage unit 22b task transfer data table 22c task transfer instruction unit 23 consumer selection unit 24 Power estimation unit 31a Photovoltaic power generation 41a Wind power generation 31, 41 Renewable energy power plant 32, 42 Power company 33, 43 Aggregator 34a to 34n, 44a to 44n Data center (consumer) A, B power system domain

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Abstract

La présente invention concerne un dispositif de prise en charge (20) de réponse à une demande qui comprend une unité de sélection (23) destinée à sélectionner un centre ou une pluralité de centres de données (34a-34n) en réponse à une instruction de sélection de clients depuis un agrégateur (33) dans une requête de demande de puissance, ledit agrégateur (33) mettant en œuvre la réponse à la demande destinée à régler la consommation de puissance des centres de données (34a à 34n) en tant que clients consommant la puissance. L'unité de sélection (23) configurée pour sélectionner le nombre de centres de données (34a à 34n) avec lesquels la quantité réglable de puissance des centres de données (34a à 34n) satisfait la quantité de requête de réglage de la puissance de la requête de réglage et pour notifier à l'agrégateur (33) les centres de données (34a à 34n) sélectionnés.
PCT/JP2021/009057 2021-03-08 2021-03-08 Dispositif de prise en charge de réponse à une demande, procédé de prise en charge de réponse à une demande, et programme WO2022190180A1 (fr)

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JP2023504897A JP7552857B2 (ja) 2021-03-08 2021-03-08 デマンドレスポンス管理装置、デマンドレスポンス管理方法及びプログラム

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JP2019110698A (ja) * 2017-12-19 2019-07-04 大阪瓦斯株式会社 デマンドレスポンスシステム

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* Cited by examiner, † Cited by third party
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JP2019110698A (ja) * 2017-12-19 2019-07-04 大阪瓦斯株式会社 デマンドレスポンスシステム

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