KR-20260065210-A - Apparatus and method for charging and discharging scheduling of electric vehicle

KR20260065210AKR 20260065210 AKR20260065210 AKR 20260065210AKR-20260065210-A

Abstract

According to an embodiment, an electric vehicle charging and discharging scheduling device is provided, comprising one or more processors; and a memory for storing one or more programs executed by the one or more processors, wherein the processor calculates a first charging and discharging schedule such that the SoC at the time when the electric vehicle exits the vehicle is greater than or equal to a target SoC according to electric vehicle information, and calculates a second charging and discharging schedule for participation in the power market according to the winning bid power data received from a demand management business operator server based on the first charging and discharging schedule.

Inventors

최정훈
김현섭
이민규
정재윤
박나연
고대건
한혜승
김성규
박범수

Assignees

현대자동차주식회사
기아 주식회사

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (20)

One or more processors; and A device having a memory for storing one or more programs executed by the above-mentioned one or more processors, The above processor is, Based on the electric vehicle information, a first charge/discharge schedule is calculated such that the SoC at the time the electric vehicle exits is greater than or equal to the target SoC, and An electric vehicle charging and discharging scheduling device that calculates a second charging and discharging schedule for participation in the power market based on the first charging and discharging schedule above and the winning bid power data received from the demand management business operator server.
In paragraph 1, The above electric vehicle information includes plug-in charger information, current SoC, target SoC, resource type information, battery capacity information, battery charge/discharge efficiency, and information on the scheduled entry time and scheduled exit time, in an electric vehicle charge/discharge scheduling device.
In paragraph 2, The above processor is an electric vehicle charging and discharging scheduling device that calculates the maximum charging and discharging energy per hour using the output power included in the plug-in charger information, the scheduled entry time, and the scheduled exit time.
In paragraph 2, The above processor is an electric vehicle charge/discharge scheduling device that calculates the first charge/discharge schedule using the current SoC of the electric vehicle, battery capacity information, and target SoC.
In paragraph 2, The above processor is an electric vehicle charging/discharging scheduling device that sets the first charging/discharging schedule by adjusting the SoC of the electric vehicle to within a preset battery usage range.
In paragraph 2, An electric vehicle charging and discharging scheduling device that calculates the first charging and discharging schedule and the second charging and discharging schedule according to the summed plug-in times, wherein the processor sums the plug-in times from a plurality of scheduled entry times and a plurality of scheduled exit times.
In paragraph 1, The above processor is an electric vehicle charging and discharging scheduling device that calculates the second charging and discharging schedule to comply with the time-based winning power.
In Paragraph 7, The above second charge/discharge schedule is an electric vehicle charge/discharge scheduling device including charge power and discharge power.
In paragraph 8, The above processor is an electric vehicle charging and discharging scheduling device that calculates the second charging and discharging schedule such that the total sum of charging efficiencies and the total sum of discharging efficiencies are the same.
In paragraph 2, The above processor is an electric vehicle charge/discharge scheduling device that calculates the first charge/discharge schedule and the second charge/discharge schedule to limit discharge according to the resource type information.
A method performed by a computing device having one or more processors and a memory for storing one or more programs executed by said one or more processors, wherein The above processor, A step of calculating a first charge/discharge schedule such that, according to electric vehicle information, the SoC at the time the electric vehicle exits is greater than or equal to a target SoC; and An electric vehicle charging and discharging scheduling method comprising the step of calculating a second charging and discharging schedule for participation in the power market based on the winning bid power data received from a demand management business operator server based on the first charging and discharging schedule above.
In Paragraph 11, The above electric vehicle information includes plug-in charger information, current SoC, target SoC, resource type information, battery capacity information, battery charge/discharge efficiency, and information on the scheduled time of entry and scheduled time of exit, in an electric vehicle charge/discharge scheduling method.
In Paragraph 12, The step of calculating the first charge/discharge schedule comprises the step of calculating the maximum charge/discharge energy per hour using the output power included in the plug-in charger information, the scheduled entry time, and the scheduled exit time.
In claim 12, the step of calculating the first charge/discharge schedule is an electric vehicle charge/discharge scheduling method that calculates the first charge/discharge schedule using the current SoC of the electric vehicle, battery capacity information, and target SoC.
In Paragraph 12, The step of calculating the first charge/discharge schedule is an electric vehicle charge/discharge scheduling method that calculates the first charge/discharge schedule by adjusting the SoC of the electric vehicle to within a preset battery usage range.
In Paragraph 12, An electric vehicle charging and discharging scheduling method in which the processor sums the plug-in times from a plurality of scheduled entry times and a plurality of scheduled exit times, and calculates the first charging and discharging schedule and the second charging and discharging schedule according to the summed plug-in times.
In claim 16, the step of calculating the second charge/discharge schedule is an electric vehicle charge/discharge scheduling method that calculates the second charge/discharge schedule to comply with the time-based winning power.
In Paragraph 17, The above second charge/discharge schedule is an electric vehicle charge/discharge scheduling method including charge power and discharge power.
In claim 18, the step of calculating the second charge-discharge schedule is an electric vehicle charge-discharge scheduling method that calculates the second charge-discharge schedule such that the total sum of the charge efficiency and the total sum of the discharge efficiency are the same.
In Paragraph 12, An electric vehicle charging and discharging scheduling method in which the processor calculates the first charging and discharging schedule and the second charging and discharging schedule to limit discharge according to the resource type information.

Description

Apparatus and method for charging and discharging scheduling of electric vehicle The embodiments relate to an electric vehicle charging and discharging scheduling device and method. At the same time as the deployment of various distributed energy resources such as solar power, wind power, and ESS is actively underway, Vehicle to Grid (V2G) technology, which enables charging and the discharge of energy from electric vehicle batteries into the power grid, is also receiving attention. Furthermore, research is actively being conducted on technologies that utilize V2G to connect with Home (V2H) and Building (V2B) to realize reduced electricity costs and revenue generation, and to contribute to the stabilization of the power grid. As a result, managing the charging and discharging schedules of electric vehicles has become a critical issue. Recently, as the adoption and sales volume of electric vehicles have increased, the number of variables has also increased, leading to problems such as increased computational complexity and, most notably, increased processing time. FIG. 1 is a drawing for explaining an electric vehicle power management system according to an embodiment. FIG. 2 is a block diagram of an electric vehicle charging and discharging scheduling device according to an embodiment. FIG. 3 is a diagram illustrating the operation of an electric vehicle charging and discharging scheduling device according to an embodiment. FIGS. 4 to 6 are drawings for explaining the operation of a processor according to an embodiment. FIG. 7 is a flowchart of an electric vehicle charging and discharging scheduling method according to an embodiment. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, the technical concept of the present invention is not limited to some of the described embodiments but can be implemented in various different forms, and within the scope of the technical concept of the present invention, one or more of the components among the embodiments may be selectively combined or substituted. In addition, terms used in the embodiments of the present invention (including technical and scientific terms) may be interpreted in a sense that is generally understood by those skilled in the art to which the present invention belongs, unless explicitly and specifically defined otherwise. Terms that are commonly used, such as terms defined in advance, may be interpreted in consideration of their meaning in the context of the relevant technology. Furthermore, the terms used in the embodiments of the present invention are for the purpose of describing the embodiments and are not intended to limit the present invention. In this specification, the singular form may include the plural form unless specifically stated otherwise in the text, and when described as "at least one of A and B and C (or more than one)," it may include one or more of all combinations that can be formed from A, B, and C. In addition, terms such as first, second, A, B, (a), (b), etc. may be used when describing the components of the embodiments of the present invention. These terms are intended merely to distinguish a component from other components and are not limited by the nature, order, sequence, etc., of the said component. And, where it is stated that a component is 'connected', 'combined', or 'joined' to another component, this may include not only cases where the component is directly connected, combined, or joined to the other component, but also cases where it is 'connected', 'combined', or 'joined' due to another component located between the component and the other component. Furthermore, when described as being formed or placed "above or below" each component, "above" or "below" includes not only cases where two components are in direct contact with each other, but also cases where one or more other components are formed or placed between the two components. Additionally, when expressed as "above or below," it may include the meaning of a downward direction as well as an upward direction relative to a single component. Hereinafter, embodiments will be described in detail with reference to the attached drawings, provided that identical or corresponding components are given the same reference number regardless of the drawing symbols, and redundant descriptions thereof will be omitted. FIG. 1 is a drawing for illustrating an electric vehicle power management system according to an embodiment. Referring to FIG. 1, the electric vehicle power management system (1) may include a power market server (10), a demand management operator server (20), and an electric vehicle charging and discharging management device (30). The power market server (10) is an entity that operates the power market and can perform settlements according to the amount of participation by resource in different ways according to the market settlement rules. The power market server (10) c