KR20190140625A - Method of power mobility service per building, apparatus of building energy management for performing the method and power mobility system per building including the apparatus - Google Patents

Abstract

Disclosed are a building unit power mobility service providing method, a building energy management device for performing the same, and a building unit power mobility system including the same. The building unit power mobility service providing method comprises the steps of: predicting a power demand of a building; generating a charge/discharge schedule of an electric vehicle to use, as an energy source of the building, the electric vehicle currently connected to an electric vehicle charger of the building according to the power demand prediction result; and charging or discharging the electric vehicle according to the charge/discharge schedule. Therefore, a reduction in the building′s electric charges can be expected.

Description

METHOD OF POWER MOBILITY SERVICE PER BUILDING, APPARATUS OF BUILDING ENERGY MANAGEMENT FOR PERFORMING THE METHOD AND POWER MOBILITY SYSTEM PER BUILDING INCLUDING THE APPARATUS}

The present invention relates to a building unit power mobility service providing method, a building energy management apparatus for performing the same, and a building unit power mobility system including the same, and more particularly, energy from an electric vehicle connected to an electric vehicle charger installed in a building to a building load. The present invention relates to a building unit power mobility service providing method, a building energy management apparatus for performing the same, and a building unit unit power mobility system including the same.

Energy management is a very important issue in large buildings, and various studies are being conducted to reduce energy consumption and intelligent energy management.

Building Energy Management System (BEMS) is a system that utilizes IT technology in buildings to manage various building equipment such as electricity, air conditioning, crime prevention and disaster prevention.

In recent years, by adopting such a building energy management system to perform peak load control to control the use of air conditioning, air conditioning, lighting and power equipment, buildings that reduce energy waste and operate energy efficiently are increasing.

As such, conventional peak load control systems or methods for energy management of buildings only perform peak load control in a manner that restricts the use of various equipment, and thus, it is difficult to perform energy pipes adaptively according to circumstances.

According to an aspect of the present invention, a building unit power mobility service providing method for predicting power demand of a building and using an electric vehicle currently connected to an electric vehicle charger of a building according to the result of the power demand prediction as a building energy source, and building energy for performing the same Provided is a management unit and a building unit power mobility system including the same.

Another aspect of the present invention is a building unit power mobility service providing method for calculating the difference between the target electricity bill of the building and the actual electricity bill of the building as a profit and distribute to stakeholders for energy transfer, building energy management for performing this An apparatus and a building unit power mobility system including the same are provided.

According to another aspect of the present invention, there is provided a method of providing a building unit power mobility service according to an embodiment of the present invention, wherein an electric vehicle currently connected to an electric vehicle charger of the building is used as an energy source of the building according to a result of the power demand prediction. Generating a charge / discharge schedule of the electric vehicle so as to allow the electric vehicle to be charged or discharged according to the charge / discharge schedule.

On the other hand, when the electric vehicle is connected to the electric vehicle charger, the step of receiving either the general charging mode for charging the electric vehicle from the user of the electric vehicle or the two-way charging mode to be used as the energy source of the building at the same time charging the electric vehicle It may further include.

The method may further include collecting charging information including a buffer desired time and a state of charge (SOC) of the electric vehicle in which the bidirectional charging mode is selected.

The generating and discharging schedule of the electric vehicle may include generating the charging and discharging schedule based on the power demand prediction result and the charging information.

The generating and discharging schedule of the electric vehicle may include calculating an anticipated time required for buffering using the SOC of the electric vehicle in which the bidirectional charging mode is selected, and in the first spare time from the current time to the desired buffer time. Calculating a second spare time excluding the anticipated time required for buffering, setting a time after which the second spare time elapses from a current time as a charge start time, and setting a section from the charge start time to the buffer desired time in the electric vehicle; It may include the step of setting to the charging section that is charged and the section for the second spare time from the current time to the energy source section to discharge, charge or rest of the electric vehicle.

The setting of the section from the current time during the second spare time to an energy source section in which the electric vehicle is discharged, charged, or rested may include: predetermined energy from the electric vehicle in which the bidirectional charging mode is selected according to the power demand prediction result; After discharging, the energy source section may be set to be recharged as much as the discharged energy, or the energy source section may be set to allow rest.

The generating and discharging schedule of the electric vehicle may include estimating the electric power demand of the building for a predetermined time, extracting a peak load from the electric power demand prediction result, and calculating the peak load and the electric charge. Comparing the peak load threshold, which is a reference, and the peak load comparison result, when the peak load is greater than or equal to the peak load threshold, the energy of the electric vehicle to be supplied from the electric vehicle such that the peak load and the difference of the peak load threshold difference are higher than the peak load threshold. It may include the step of generating a charge and discharge schedule.

The method may further include calculating a difference between a target electric charge of the building and an actual electric charge of the building, and distributing the profit to the electric vehicle user, the building manager, and a platform provider according to a predetermined ratio. have.

On the other hand, the building energy management device of the present invention is a power demand prediction unit for predicting the power demand of the building, the electric vehicle connected to the electric vehicle charger of the building according to the power demand prediction result of the electric vehicle to use as the energy source of the building Charge and discharge schedule generation unit for generating a charge and discharge schedule and a peak for controlling the electric charger to charge the electric vehicle or discharge the electric vehicle according to the charge and discharge schedule to supply the energy stored in the electric vehicle to the load in the building It includes a load control unit.

On the other hand, from the electric vehicle user connected to the electric vehicle charger, either the normal charging mode for charging the electric vehicle or the two-way charging mode to be used as an energy source of the building at the same time to charge the electric vehicle is selected, the desired buffer The apparatus may further include a charging information collector configured to collect charging information including a time and a state of charge (SOC).

The charge / discharge schedule generation unit may generate the charge / discharge schedule based on the power demand prediction result and the charge information.

The charging / discharging schedule generating unit may calculate the anticipated buffering time using the SOC of the electric vehicle in which the bidirectional charging mode is selected, and excludes the anticipated buffering time from the first spare time from a current time to the buffering desired time. Calculating a second margin time.

The charging / discharging schedule generating unit may set a time after which the second spare time elapses from a current time as a charging start time, and a charging section in which the electric vehicle is charged in a section from the charging start time to the buffer desired time. It may include setting to.

The charging / discharging schedule generating unit may include setting a section from the current time to the energy source section in which the electric vehicle is discharged, charged or rested.

The charging / discharging schedule generating unit may set the energy source section so that the energy is recharged by the discharged energy after the predetermined energy is discharged from the electric vehicle in which the bidirectional charging mode is selected according to the power demand prediction result. The energy source section may be set to be made.

The charge / discharge schedule generation unit may extract a peak load from the power demand prediction result, compare the peak load with a peak load threshold that is a reference for calculating an electric charge, and charge the electric vehicle according to the peak load comparison result. A discharge schedule can be generated.

The charging / discharging schedule generation unit may further include charging and discharging the electric vehicle so that the peak load and the peak load threshold difference or more may be supplied from the electric vehicle when the peak load is greater than or equal to the peak load threshold. You can create a schedule.

The apparatus may further include a profit calculator that calculates a difference between a target electric charge of the building and the actual electric charge of the building, and distributes the profit to the electric vehicle user, the building manager, and a platform provider according to a predetermined ratio. have.

In addition, the power demand predicting unit may predict power demand of the building for a predetermined time by inputting historical power demand data of the building as an input variable of a machine learning model constructed for power demand prediction.

On the other hand, the building unit power mobility system of the present invention, the electric vehicle charger for charging the electric vehicle, the electric vehicle or discharge the electric vehicle to supply the energy stored in the electric vehicle to the load in the building and the electric power demand of the building, And a building energy management device configured to control the electric vehicle charger by generating a charge / discharge schedule of the electric vehicle so as to use the electric vehicle as an energy source of the building according to a power demand prediction result.

According to the present invention, by performing the peak load control of the building using the electric vehicle as an energy storage device, it is possible to expect to reduce the electricity bill of the building.

In addition, by distributing the profits from the reduction of the electricity bill of the building among electric vehicle users, building managers or service platform providers at a predetermined rate, the electric car users are engaged, thereby ensuring that the building managers have a sufficient energy source. For example, service platform providers can make money.

1 is a conceptual diagram of a building unit power mobility system according to an embodiment of the present invention.
FIG. 2 is a diagram schematically illustrating energy flow in the building unit power mobility system illustrated in FIG. 1.
3 is a block diagram of the building energy management device shown in FIG. 1.
4 is an example of a power demand prediction result of a building predicted by the power demand prediction unit illustrated in FIG. 3.
FIG. 5 is a diagram for describing a method of generating a charge / discharge schedule in the charge / discharge schedule generator shown in FIG. 3.
6 is a flowchart illustrating a method of providing a building unit power mobility service according to an embodiment of the present invention.
FIG. 7 is a detailed flowchart of a charge / discharge schedule generation step shown in FIG. 6.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. In addition, it is to be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention, if properly described, is defined only by the appended claims, along with the full range of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings.

1 is a conceptual diagram of a building unit power mobility system according to an embodiment of the present invention.

Referring to FIG. 1, the building unit power mobility system 1000 according to an embodiment of the present invention charges the electric vehicle 100 from a grid through an electric vehicle charger 300 installed in a building, as well as an electric vehicle ( It is possible to provide a service for supplying the energy stored in the 100 to the load (Load) in the building.

The electric vehicle 100 may receive electric energy from the system through the electric vehicle charger 300 to charge the battery, and operate the vehicle using the electric energy stored in the battery.

The electric vehicle charger 300 may be installed in a space (eg, a parking lot) where the vehicle can stop in a building. The electric vehicle charger 300 may adopt a bidirectional battery charger structure to charge or discharge the electric vehicle 100 connected to the electric vehicle charger 300. When the electric vehicle charger 300 is charged, the electric vehicle charger 300 supplies electric energy from the system to the electric vehicle 100, and may charge a fee corresponding to the amount of charge to the user of the electric vehicle 100. The electric vehicle charger 300 may supply electric energy stored in the electric vehicle 100 to a load in a building when the electric vehicle 100 is discharged.

According to the present embodiment, when the electric vehicle charger 100 is connected to the electric vehicle 100, the electric vehicle 100 may be charged in the general charging mode or the electric vehicle 100 as well as to discharge the electric vehicle 100 from the user of the electric vehicle 100. It can be implemented to be selected to any one of the two-way charging mode that is also used as the energy source of the building.

The building in which the electric vehicle charger 300 is installed may include a building energy management device 500. The building energy management apparatus 500 is a kind of building energy management system (BEMS), and may predict peak power demand of a building to perform peak load control for reducing an electric charge when a peak load occurs.

According to the present embodiment, the building energy management apparatus 500 may be used as an energy storage device only for the electric vehicle 100 in which the bidirectional charging mode is selected among the electric vehicles 100 connected to the electric vehicle charger 300 for peak load control. To this end, the building energy management apparatus 500 may generate the charging / discharging schedule of the electric vehicle 100 for peak load control based on the power demand prediction result of the building and the state of charge of the electric vehicle 100 connected to the electric vehicle charger 300. Can be.

FIG. 2 is a diagram schematically illustrating energy flow in the building unit power mobility system illustrated in FIG. 1.

Referring to FIG. 2, the building energy management apparatus 500 built in a building may manage energy flow to at least one electric vehicle 100a, 100b, 100c, 100d currently connected to the electric vehicle charger 300.

The building energy management apparatus 500 may collect charging information of at least one electric vehicle 100a, 100b, 100c, 100d currently connected to the electric vehicle charger 300. The charging information may include a charging mode, a desired charging time, a state of charge (SOC), and the like.

The building energy management apparatus 500 may extract peak load by predicting power demand of the building. The building energy management apparatus 500 may calculate an amount of energy required for peak load control. The building energy management apparatus 500 reflects the charging information so as to receive energy required for peak load control from at least one electric vehicle 100a, 100b, 100c, 100d currently connected to the electric vehicle charger 300. A discharge schedule can be generated.

The energy may be transferred from the system to the at least one electric vehicle 100a, 100b, 100c, 100d according to the charging / discharging schedule. Alternatively, energy may be transferred from the at least one electric vehicle 100a, 100b, 100c, 100d to the building load.

As such, the building unit power mobility system 1000 according to an exemplary embodiment of the present invention may control the peak load of the building by using the electric vehicle 100 as an energy storage device, thereby reducing the electric charge of the building.

In addition, the building unit power mobility system 1000 may also provide a service for distributing the profits from the reduction of the electricity bill of the building according to a predetermined ratio between the electric vehicle 100 user, the building manager, or the service platform provider. 100) By encouraging user involvement, building managers have sufficient energy sources, and service platform providers can generate revenue.

3 is a block diagram of the building energy management device shown in FIG. 1.

Referring to FIG. 3, the building energy management apparatus 500 includes a charging information collecting unit 510, a power demand predicting unit 530, a charging / discharging schedule generating unit 550, a peak load control unit 570, and a profit calculating unit ( 590 to provide building-level power mobility services.

The building energy management apparatus 500 may be installed and executed by software (application) for providing a building unit power mobility service, and may include a charge information collector 510, a power demand predictor 530, and a charge / discharge schedule generator 550. ), The peak load control unit 570 and the profit calculation unit 590 may be controlled by software for providing a building unit power mobility service. In addition, the configuration of the charging information collection unit 510, the power demand prediction unit 530, the charge and discharge schedule generator 550, the peak load control unit 570 and the profit calculation unit 590 is formed of an integrated module, or It may consist of more than one module. However, on the contrary, each component may be formed as a separate module.

The building energy management apparatus 500 may be mobile or fixed. The building energy management apparatus 500 may be in the form of a terminal, a server, or an engine, and may include a terminal, a device, an apparatus, a user equipment, and an MS. It may be called other terms such as a mobile station, a wireless device, a handheld device, and the like.

The building energy management apparatus 500 may execute or manufacture various software based on an operating system (OS), that is, a system. The operating system is a system program for enabling the software to use the hardware of the device, and the mobile computer operating system such as Android OS, iOS, Windows Mobile OS, Sea OS, Symbian OS, Blackberry OS, Windows, Linux, Unix, It can include any computer operating system, such as MAC, AIX, or HP-UX.

Hereinafter, each configuration of the building energy management apparatus 500 shown in FIG. 3 will be described in detail.

The charging information collecting unit 510 may collect charging information of the electric vehicle 100 connected to the electric vehicle charger 300 installed in the building. The charging information may include a charging mode, a desired buffer time, an SOC, and the like. The charging mode may be any one of a general charging mode for charging the electric vehicle 100 and a bidirectional charging mode for charging the electric vehicle 100 and allowing the electric vehicle 100 to be used as an energy source of a building.

For example, the charging information collecting unit 510 provides an interface for selecting a charging mode and a desired charging time through the electric vehicle charger 300 when the electric vehicle 100 is connected to the electric vehicle charger 300. 100) The charging mode and the desired charging time may be selected by the user. In addition, the charging information collecting unit 510 may read the SOC of the electric vehicle 100 connected to the electric vehicle charger 300 from the bidirectional battery charger structure of the electric vehicle charger 300.

The power demand prediction unit 530 may predict power demand of the building. The power demand prediction unit 530 may predict power demand of the building at a predetermined time interval (for example, 15 minutes). This will be described with reference to FIG. 4.

4 is an example of a power demand prediction result of a building predicted by the power demand prediction unit illustrated in FIG. 3.

Referring to FIG. 4, the power demand prediction unit 530 may predict power demand of a building based on historical power demand data of the building. The power demand prediction unit 530 may predict the power demand for a predetermined time (for example, 15 minutes) from the current time by using a machine learning model constructed for power demand prediction. The power demand prediction unit 530 may input the power demand data of the building as an input variable of the machine learning model to predict the power demand of the building. The machine learning model may follow one of artificial neural networks, support vector machines, Gaussian process modeling, random forest, or genetic programming.

The charging and discharging schedule generator 550 may generate the charging and discharging schedule of the electric vehicle 100 based on the charging information of the electric vehicle 100 and the electric power demand prediction result of the building.

In detail, in the case of the electric vehicle 100 in which the normal charging mode is selected, the charge / discharge schedule generation unit 550 charges and discharges the entire period from the current time to the desired buffer time as a section in which the electric vehicle 100 is charged or rested. You can create a schedule.

In the case of the electric vehicle 100 in which the bidirectional charging mode is selected, the charge / discharge schedule generation unit 550 charges / discharges a schedule in which all sections from the current time to the desired buffer time are charged, discharged, or rested in the electric vehicle 100. Can be generated.

For example, the charge / discharge schedule generation unit 550 may calculate the expected buffering time using the SOC of the electric vehicle 100 in which the bidirectional charging mode is selected. To this end, the charge / discharge schedule generation unit 550 may store the charging time data required for each energy amount in advance. The charge / discharge schedule generator 550 may set the current time to the buffer desired time as the first spare time. The charge / discharge schedule generator 550 may calculate the second spare time by excluding the expected buffer time from the first spare time.

The charge / discharge schedule generation unit 550 sets a time at which the second spare time elapses from the current time as a charge start time, and sets a section from the charge start time to the desired buffer time as a charge section in which the electric vehicle 100 is charged. Can be set.

The charge / discharge schedule generation unit 550 may set the section for the second allowable time from the current time as the energy source section in which the electric vehicle 100 is discharged, charged or rested. The energy source section may be a section in which a predetermined energy is discharged from the electric vehicle 100 and then charging is performed as much as the discharged energy, or rest is performed without discharge or charging.

The charge / discharge schedule generation unit 550 may set a discharge, charge or rest schedule in the energy source section according to the power demand prediction result of the building. In this regard, a description will be given with reference to FIG. 5.

FIG. 5 is a diagram for describing a method of generating a charge / discharge schedule in the charge / discharge schedule generator shown in FIG. 3.

Referring to FIG. 5, the charge / discharge schedule generator 550 may compare a peak demand threshold, which is a criterion for calculating electricity rates, with a power demand prediction result for a predetermined time (for example, 15 minutes). . For high-voltage power users, the base rate peak linked rate plan may be applied which calculates the base rate for the following year based on the maximum annual peak load. Accordingly, the charge / discharge schedule generation unit 550 sets a peak load threshold value corresponding to the target base rate, and loads exceeding the peak load threshold value as a result of the power demand prediction result from the electric vehicle 100 so as to be supplied. You can set up a discharge, charge, or rest schedule at

For example, the charge / discharge schedule generator 550 may extract the peak load from the power demand prediction result for a predetermined time. The charge / discharge schedule generation unit 550 may compare the peak load threshold value, which is a standard for calculating the peak load and the electric charge.

The charge / discharge schedule generation unit 550 may set the energy source section as a section in which rest occurs when the peak load comparison result is less than the peak load threshold.

As a result of peak load comparison, if the peak load is greater than or equal to the peak load threshold, the charge / discharge schedule generation unit 550 discharges a predetermined energy in the energy source section so that the electric vehicle 100 may receive energy above the peak load and the peak load threshold difference. After that, it can be set to a section in which charging is performed again by the discharged energy.

At this time, the charge / discharge schedule generation unit 550 sets a discharge section within the energy source section, and sets a charging section that is recharged by the amount of discharged energy so as to achieve SOC upon initial connection to the EV charger 300. Can be. That is, the charge / discharge schedule generation unit 550 may set the discharge and charge sections in the energy source section such that the SOC at the end of the energy source section is the same as the SOC at the first connection to the EV charger 300. In this case, the charging fee due to charging in the energy source section may be charged to the electric vehicle 100 user, or may be charged to the building manager and reflected in the profit calculation to be described later.

The charging / discharging schedule generator 550 may generate a charging / discharging schedule including a charging section and an energy source section for the electric vehicle 100 in which the bidirectional charging mode is selected.

The peak load controller 570 may control the electric vehicle 100 connected to the electric vehicle charger 300 to be charged or discharged according to the charge / discharge schedule. In particular, the peak load control unit 570 may perform peak load control by controlling the energy stored in the electric vehicle 100 to be supplied to the load in the building by discharging the electric vehicle 100 in the energy source section of the charge / discharge schedule. have. That is, the peak load control unit 570 may minimize the peak load by controlling the electric vehicle 100 to receive the energy of the peak load and the peak load threshold difference over a predetermined time period from the electric vehicle 100.

In addition, the peak load control unit 570 may perform the maximum power management that is executed in the general BEMS. Maximum power management is a maximum power management method that limits the use of heating and cooling loads, lighting, etc. when the peak load reaches the peak threshold.

The profit calculation unit 590 may calculate a difference between the target electric charge of the building and the actual electric charge of the building as a profit, and may distribute the profit according to a predetermined ratio.

For example, the profit calculation unit 590 may calculate the base rate according to the peak load threshold, and calculate the rate for the past power demand data of the building to which the base rate is applied as the target electric rate of the building.

The profit calculation unit 590 calculates the difference between the actual electric charge and the target electric charge as profit, distributes the profit to the building manager, platform provider, etc. at a predetermined rate, and the rest of the energy supplied from the electric vehicle 100. The electric vehicle 100 may be distributed to the user in proportion to the amount.

Hereinafter, a building unit power mobility service providing method according to an embodiment of the present invention will be described. Building unit power mobility service providing method according to an embodiment of the present invention can be carried out in substantially the same configuration as the building energy management device 500 shown in FIG. Therefore, the same components as the building energy management apparatus 500 of FIG. 3 are given the same reference numerals, and repeated descriptions thereof will be omitted.

6 is a flowchart illustrating a method of providing a building unit power mobility service according to an embodiment of the present invention.

Referring to FIG. 6, the charging information collecting unit 510 may collect charging information of the electric vehicle 100 connected to the electric vehicle charger 300 (600). The charging information may include a normal or bidirectional charging mode, a desired buffer time, an SOC, and the like.

The power demand prediction unit 530 may predict power demand of the building at a predetermined time interval (610). The power demand prediction unit 530 may predict the power demand of the building based on historical power demand data of the building.

The charge / discharge schedule generator 550 may generate a charge / discharge schedule of the electric vehicle 100 based on the charge information and the power demand prediction result (620). A detailed description in this regard will be described later with reference to FIG. 7.

The peak load control unit 570 may control the electric vehicle 100 connected to the electric vehicle charger 300 to be charged or discharged according to a charge / discharge schedule (630).

The profit calculator 590 may calculate a profit for the electric bill of the building and distribute the profit according to a predetermined ratio (640). The profit calculator 590 may calculate a difference between the target electric charge of the building and the actual electric charge of the building as a profit, and distribute the profit to the building manager, the platform provider, and the user of the electric vehicle 100 according to a predetermined ratio.

FIG. 7 is a detailed flowchart of a charge / discharge schedule generation step shown in FIG. 6.

Referring to FIG. 7, the charging / discharging schedule generating unit 550 calculates the expected charging time according to the SOC in the case of the electric vehicle 100 in which the bidirectional charging mode is selected, and the charging section and the energy source section according to the estimated buffering time required. Can be set (621, 622, 623).

The charge / discharge schedule generator 550 may set the current time to the buffer desired time as the first spare time. The charge / discharge schedule generator 550 may calculate the second spare time by excluding the expected buffer time from the first spare time. The charge / discharge schedule generation unit 550 sets a time at which the second spare time elapses from the current time as a charge start time, and sets a section from the charge start time to the desired buffer time as a charge section in which the electric vehicle 100 is charged. Can be set. The charge / discharge schedule generation unit 550 may set the section for the second allowable time from the current time as the energy source section in which the electric vehicle 100 is discharged, charged or rested.

The charge / discharge schedule generation unit 550 may set the charge / discharge schedule in the energy source section based on the power demand prediction result (624).

The charge / discharge schedule generator 550 may extract the peak load from the power demand prediction result for a predetermined time. The charge / discharge schedule generation unit 550 may compare the peak load threshold value, which is a standard for calculating the peak load and the electric charge. The charge / discharge schedule generation unit 550 may set the energy source section as a section in which rest occurs when the peak load comparison result is less than the peak load threshold.

As a result of peak load comparison, if the peak load is greater than or equal to the peak load threshold, the charge / discharge schedule generation unit 550 discharges a predetermined energy in the energy source section so that the energy of the peak load and the peak load threshold difference or more may be supplied from the electric vehicle 100. After that, it may be set to a section in which charging is performed again by the discharged energy. At this time, the charge / discharge schedule generation unit 550 sets the discharge section within the energy source section, and set the charging section that is recharged by the amount of discharged energy so as to achieve the SOC upon initial connection to the EV charger 300. Can be.

The charging / discharging schedule generator 550 may generate a charging / discharging schedule for the bidirectional charging mode including the charging section and the energy source section in operation 625.

Meanwhile, in the case of the electric vehicle 100 in which the normal charging mode is selected, the charge / discharge schedule generation unit 550 may control slow and rapid charging according to the capacity of the electric vehicle charger 300 (621 and 626).

Such a method for providing a building unit power mobility service according to an exemplary embodiment of the present invention may be implemented in an application form or in the form of program instructions that may be executed by various computer components and recorded in a computer-readable recording medium. The computer-readable recording medium may include program instructions, data files, data structures, etc. alone or in combination.

Program instructions recorded on the computer-readable recording medium are those specially designed and configured for the present invention, and may be known and available to those skilled in the computer software arts.

Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs and DVDs, and magneto-optical media such as floptical disks. media) and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.

Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device may be configured to operate as one or more software modules to perform the process according to the invention, and vice versa.

Although the above has been described with reference to the embodiments, those skilled in the art will understand that various modifications and changes can be made without departing from the spirit and scope of the invention as set forth in the claims below. Could be.

1000: Building Unit Power Mobility System
100: electric car
300: electric car charger
500: building energy management

Claims (20)

In the building unit power mobility service providing method using a building unit power mobility system,
Predicting power demand of the building;
Generating a charge / discharge schedule of the electric vehicle so that the electric vehicle currently connected to the electric vehicle charger of the building according to the power demand prediction result can be used as an energy source of the building; And
The building unit power mobility service providing method comprising the step of charging or discharging the electric vehicle according to the charge and discharge schedule. The method of claim 1,
When the electric vehicle is connected to the electric vehicle charger, selecting one of the general charging mode for charging the electric vehicle or the two-way charging mode for charging the electric vehicle and using the energy source of the building at the same time from the electric vehicle user; How to provide building unit power mobility service. The method of claim 2,
And collecting charging information including a charging desired time and a state of charge (SOC) of the electric vehicle in which the bidirectional charging mode is selected. The method of claim 3,
Generating a charge and discharge schedule of the electric vehicle,
And generating the charge / discharge schedule based on the power demand prediction result and the charge information. The method of claim 3,
Generating a charge and discharge schedule of the electric vehicle,
Calculating an estimated time required for buffering using the SOC of the electric vehicle in which the bidirectional charging mode is selected;
Calculating a second spare time excluding the expected buffer time from a first spare time from a current time to the buffer desired time;
Setting a time at which the second spare time elapses from a current time as a charging start time, and setting a section from the charging start time to the buffer desired time as a charging section in which the electric vehicle is charged; And
And setting a section of the second spare time from an current time to an energy source section in which an electric vehicle is discharged, charged, or rested. The method of claim 5,
Setting the section for the second spare time from the current time to the energy source section in which the electric vehicle is discharged, charged or rested,
After the predetermined energy is discharged from the electric vehicle in which the bidirectional charging mode is selected according to the power demand prediction result, the energy source section is set to be recharged as much as the discharged energy, or the energy source section is set to rest. How to provide building unit power mobility service. The method of claim 1,
Generating a charge and discharge schedule of the electric vehicle,
Predicting power demand of the building for a predetermined time;
Extracting peak load from the power demand prediction result;
Comparing the peak load with a peak load threshold which is the basis of the electricity bill calculation; And
Generating a charge / discharge schedule of the electric vehicle such that the peak load is greater than or equal to the peak load threshold as a result of the peak load comparison, so that energy of the peak load and the difference between the peak load threshold value and the electric vehicle can be supplied from the electric vehicle; How to provide unit power mobility service. The method of claim 1,
Calculating a difference between a target electric charge of the building and an actual electric charge of the building as a profit; And
And distributing the profit to the electric vehicle user, the building manager, and the platform provider according to a predetermined ratio. A power demand prediction unit for predicting power demand of the building;
A charge / discharge schedule generation unit configured to generate a charge / discharge schedule of the electric vehicle so that the electric vehicle connected to the electric vehicle charger of the building may be used as an energy source of the building according to the power demand prediction result; And
And a peak load control unit controlling the electric vehicle charger to charge the electric vehicle according to the charge / discharge schedule or discharge the electric vehicle to supply energy stored in the electric vehicle to a load in a building. The method of claim 9,
A charging mode selected from either the general charging mode for charging the electric vehicle or the two-way charging mode for charging the electric vehicle and used as an energy source of the building from the electric vehicle user connected to the electric vehicle charger; Building energy management device further comprising a charging information collecting unit for collecting charging information including a state of charge (SOC). The method of claim 10,
The charge and discharge schedule generation unit,
Building energy management device for generating the charge and discharge schedule based on the power demand prediction result and the charging information. The method of claim 11,
The charge and discharge schedule generation unit,
Calculating an anticipated time required for buffering using the SOC of the electric vehicle in which the bidirectional charging mode is selected, and calculating a second extra time except for the anticipated time required for buffering from a first time from a current time to the desired buffer time; Building energy management system. The method of claim 12,
The charge and discharge schedule generation unit,
Building energy management comprising setting a time after which the second spare time elapses from a current time as a charging start time and setting a section from the charging start time to the buffer desired time as a charging section in which the electric vehicle is charged; Device. The method of claim 13,
The charge and discharge schedule generation unit,
Building energy management device comprising the step of setting the interval from the current time for the second spare time to the energy source section is discharged, charged or rest of the electric vehicle. The method of claim 14,
The charge and discharge schedule generation unit,
After the predetermined energy is discharged from the electric vehicle in which the bidirectional charging mode is selected according to the power demand prediction result, the energy source section is set to be recharged as much as the discharged energy, or the energy source section is set to rest. Building energy management system. The method of claim 9,
The charge and discharge schedule generation unit,
The building energy management apparatus extracts a peak load from the power demand prediction result, compares the peak load with a peak load threshold that is a reference for calculating an electric charge, and generates a charge / discharge schedule of the electric vehicle according to the peak load comparison result. . The method of claim 16,
The charge and discharge schedule generation unit,
And a result of the peak load comparison, when the peak load is greater than or equal to the peak load threshold, generating and discharging a schedule of the electric vehicle so as to receive energy from the electric vehicle that is equal to or greater than the difference between the peak load and the peak load threshold. The method of claim 9,
Building energy management further comprises a profit calculation unit for calculating the difference between the target electric charge of the building and the actual electric charge of the building, and distributes the profit to the electric vehicle user, building manager and platform provider according to a predetermined ratio. Device. The method of claim 9,
The power demand prediction unit,
Building energy management device for predicting the power demand of the building for a predetermined time by inputting the past power demand data of the building as an input variable of the machine learning model built for power demand prediction. Electric cars;
An electric vehicle charger for charging the electric vehicle or discharging the electric vehicle to supply energy stored in the electric vehicle to a load in a building; And
A building energy management device for predicting electric power demand of the building and generating a charge / discharge schedule of the electric car to use the electric car as an energy source of the building according to a result of the electric power demand prediction; Building unit power mobility system.

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