How to distribute regulation power

Abstract

To provide a method for distributing an adjustment force, which can facilitate adjustment to a target adjustment force when an electric vehicle equipped with a communication unit as an adjustment force resource and other adjustment resources are used in combination.SOLUTION: The method for distributing the adjustment force preferentially allocates, when a demand response is issued using a plurality of electric vehicles equipped with communication units and an adjustment resource capable of supplying power to the outside, as required adjustment force required for each electric vehicle in accordance with an integer value of a quotient obtained through division by control power of each electric vehicle with a limit of an adjustment force which each electric vehicle can provide with respect to a target adjustment force, and allocates a required adjustment force of the remaining part to resources other than the electric vehicles after allocation of a partial required adjustment force of the target adjustment force to the electric vehicles.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a method for distributing regulation power. [Background technology]

[0002] Patent Document 1 discloses a technology in which a power management device includes a selection unit that selects a target number of electric vehicles from a vehicle group that includes a plurality of electric vehicles, and a request unit that is configured to be able to request, for each electric vehicle selected by the selection unit, at least one of charging a power storage device using power from a power grid and supplying power to the power grid, and the selection unit acquires the temperature and SOC of the power storage device of each electric vehicle included in the vehicle group, makes selection according to a predetermined priority based on the temperature and SOC of the power storage device, and changes the priority for allocating vehicles that perform demand response (DR) depending on the SOC (State Of Charge) status. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2021-150988 Summary of the Invention [Problem to be solved by the invention]

[0004] However, when an electric vehicle equipped with a communication unit such as a DCM (Data Communication Module) is used as part of the coordination power resource and in combination with other coordination resources, DCMWhen this happens, a unit constraint (LSB: Least Significant Bit) is imposed on the control power. In other words, when using a DCM installed in an electric vehicle to set up a vehicle used for demand response (DR) (DR vehicle), depending on the DCM specifications, only integer amounts of power can be calculated as the adjustment amount, and there is a risk that the target required adjustment power cannot be met. As a result, even if adjustment power is distributed to electric vehicles, errors at a level that cannot be corrected by control will occur, making it impossible to meet the required adjustment power.

[0005] The present disclosure has been made in consideration of the above, and its purpose is to provide a method for distributing adjustment power that makes it easier to adjust to a target adjustment power when using an electric vehicle equipped with a communication unit and other adjustment resources together as adjustment power resources. [Means for solving the problem]

[0006] The method of distributing adjustment power according to the present disclosure, when performing demand response using a plurality of electric vehicles equipped with a communication unit and an adjustment resource capable of supplying power to the outside, preferentially allocates the requested adjustment power required of each electric vehicle to a target adjustment power within the limit of the adjustment power that each electric vehicle can provide, according to the integer value of the quotient obtained by dividing the target adjustment power by the control power of each electric vehicle, and after allocating a portion of the requested adjustment power of the target adjustment power to the plurality of electric vehicles, allocates the remaining requested adjustment power to other resources other than the electric vehicles. [Effects of the Invention]

[0007] According to the present disclosure, when an electric vehicle equipped with a communication unit and other adjustment resources are used together as adjustment power resources, it becomes possible to easily adjust the adjustment power of the electric vehicle equipped with a communication unit to the target adjustment power. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a flowchart illustrating a method for adjusting a distribution force according to one embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. The present disclosure is not limited to the embodiments described below.

[0010] The technology according to this embodiment solves the problem that even if adjustment power is distributed to an electric vehicle equipped with a DCM (a communication unit) without taking into consideration the power unit that can be controlled by the vehicle (DCM-equipped vehicle), errors that are difficult to correct from a control perspective occur, making it impossible to satisfy the required adjustment power.

[0011] To solve this problem, the method for distributing adjustment power according to this embodiment allocates requested adjustment power to resources. Requests from DCM-equipped vehicles are distributed to DCM groups divided by controllable power units in multiples of the integer power units that can be controlled for each DCM group, and any remaining fractions and shortfalls are distributed to other resources. Furthermore, the method determines the amount of allocation by prioritizing DCM groups with larger controllable power units. In this embodiment, calculations and control are performed by an adjustment power calculation unit included in a control unit of an information processing device managed by an aggregation coordinator, a resource aggregator, or the like. The resource aggregator is a business operator that directly concludes a service contract for a virtual power plant (VPP) with consumers and controls resources. The aggregation coordinator is a business operator that aggregates the amount of power controlled by the resource aggregator and directly trades power with general electricity transmission and distribution companies and electricity retailers.

[0012] A method for adjusting distribution capacity according to an embodiment of the present disclosure will now be described. Fig. 1 shows a flowchart for explaining the method for adjusting distribution capacity according to this embodiment. As shown in Fig. 1, first, in step ST1, the adjustment capacity calculation unit accepts a required adjustment capacity.

[0013] Next, the process proceeds to step ST2, where the adjustment capability calculation unit determines whether the required adjustment capability is greater than the control power of the DCM group A (hereinafter referred to as the DCM group A control power, etc.). Here, the magnitude relationship of the control power of the DCM groups is expressed by the following equation (1). DCM group A (highest control power among the DCM group) > DCM group B > DCM group C > DCM group D > ... > DCM group Z (lowest control power) ... (1)

[0014] If the adjustment capability calculation unit determines that the required adjustment capability is greater than the control power of the DCM group A (step ST2: Yes), the process proceeds to step ST3. In step ST3, the adjustment capability calculation unit sets the required adjustment capability for the DCM group A based on the following equation (2-A). Required control power for DCM group A = MIN(ROUNDDOWN((required control power / DCM group A controlled power), 0), DCM group A available control power)...(2-A) Equation (2-A) means the greater of the integer value (integer part (decimal parts rounded down)) of the quotient when the requested adjustment power is divided by the DCM group A control power, and the adjustment power that can be provided by the DCM-equipped vehicles of DCM group A. Explanations of similar equations will be omitted below. The adjustment power calculation unit selects the greater of the integer part of the quotient when the requested adjustment power is divided by the DCM group A control power, and the adjustment power that can be provided by DCM group A.

[0015] Next, proceeding to step ST4, the adjustment capability calculation unit subtracts the required adjustment capability for DCM group A derived by equation (2-A) from the required adjustment capability accepted in step ST1, as shown in the following equation (3-A). The first required adjustment capability is determined based on the following equation (3-A). First demand adjustment capacity = demand adjustment capacity - demand adjustment capacity for DCM group A... (3-A)

[0016] If the adjustment capability calculation unit determines from step ST4 or in step ST2 that the required adjustment capability is equal to or less than the DCM group A control power (step ST2: No), the process proceeds to step ST5.

[0017] Proceeding to step ST5, the adjustment capability calculation unit determines whether the first required adjustment capability determined by equation (3-A) is greater than the controlled power of DCM group B. If the adjustment capability calculation unit determines in step ST5 that the required adjustment capability is greater than the controlled power of DCM group B (step ST5: Yes), the process proceeds to step ST6. In step ST6, the adjustment capability calculation unit sets the required adjustment capability for DCM group B based on the following equation (2-B). Required adjustment power to DCM group B = MIN(ROUNDDOWN((Required adjustment power / DCM group B control power), 0), DCM group B available adjustment power)……(2-B)

[0018] Next, proceeding to step ST7, the adjustment capability calculation unit subtracts the required adjustment capability for DCM group B derived by equation (2-B) from the first required adjustment capability derived in step ST4, as shown in the following equation (3-B). The second required adjustment capability is determined based on the following equation (3-B). Second demand control capacity = First demand control capacity - DCM group B demand control capacity (3-B)

[0019] In step ST5, if the adjustment capability calculation unit determines that the first required adjustment capability is equal to or less than the DCM group B control power (step ST5: No), the process proceeds to the next step, step ST7.

[0020] From step ST7 onwards, steps ST5 to ST7 are repeated until the final DCM group is derived, with DCM group C, DCM group D, ..., DCM group Z, and the third required adjustment capacity, fourth required adjustment capacity, ..., nth required adjustment capacity (n is the number of DCM groups) are derived.

[0021] After determining whether the requested adjustment capacity is larger or smaller than the requested adjustment capacity for the last DCM group Z and setting the requested adjustment capacity, the process proceeds to step ST8. In step ST8, the adjustment capacity calculation unit outputs the final requested adjustment capacity for the adjustment resources other than the DCM-equipped vehicles. This causes demand response (DR) by the DCM-equipped vehicles of DCM groups A to Z and DR for the other adjustment resources to be executed.

[0022] According to the embodiment of the present disclosure described above, when a DCM-equipped vehicle, which is an electrically powered vehicle, is used in combination with other adjustment resources as a resource for adjustment capability, it is possible to easily adjust the adjustment capability to the target adjustment capability of the DCM-equipped vehicle.

[0023] Although the embodiments of the present disclosure have been specifically described above, the present disclosure is not limited to the above-described embodiments, and various modifications based on the technical ideas of the present disclosure and embodiments combining each other can be adopted. Further effects and modifications can be easily derived by those skilled in the art. The broader aspects of the present disclosure are not limited to the specific details and representative embodiments shown and described above. Therefore, various modifications are possible without departing from the spirit or scope of the general inventive concept defined by the appended claims and their equivalents.

Claims

1. A method for distributing adjustment power executed by a control unit in an information processing device managed by a business operator that directly trades electricity with at least one of an electricity transmission and distribution business operator and an electric utility company, comprising: When demand response is performed using a plurality of electric vehicles each equipped with a power storage device and a communication unit, and an adjustment resource equipped with communication means and capable of supplying electric power to the outside, a part of the target adjustment power is allocated to the plurality of electric vehicles by preferentially allocating the requested adjustment power to the plurality of electric vehicles in accordance with an integer value of a quotient obtained by dividing the requested adjustment power required of each electric vehicle by the control power of each electric vehicle within the limit of the adjustment power that each electric vehicle can provide, and then allocating the remaining requested adjustment power to resources other than the electric vehicles each equipped with communication means and capable of supplying electric power to the outside; The demand for the electric vehicle is distributed to the communication unit groups divided by the controllable power unit in multiples of the integer power unit that can be controlled for each communication unit group, and the fraction and the shortage are distributed to the other resources. How regulation power is distributed.

2. The control unit The amount of distribution is determined by giving priority to the communication unit group having the largest controllable power unit. The method for distributing adjustment power according to claim 1 .

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