WO2021015362A1

WO2021015362A1 - Intelligent distribution panel and power control method using same

Info

Publication number: WO2021015362A1
Application number: PCT/KR2019/014377
Authority: WO
Inventors: 기송도; 조석환; 김영신
Original assignee: 주식회사 에니트
Priority date: 2019-07-23
Filing date: 2019-10-29
Publication date: 2021-01-28
Also published as: KR102127731B1

Abstract

The present invention relates to an intelligent distribution panel and a power control method using same, the panel enabling easy control of power supply of a main supply unit and an auxiliary supply unit according to the power use aspect of a customer, and enabling optimal power supply control corresponding to the power use pattern of the customer. The intelligent distribution panel according to the present invention comprises: a first power source connection unit connected to receive electricity supplied from a first power source; a second power source connection unit connected to receive electricity supplied from a second power source; a first switch and a second switch which are provided in a first power connection line and a second power connection line for connecting a household receiving electricity and the first power source connection unit and the second power source connection unit, and which control, by means of an external signal, electricity flowing through the first power source connection unit or the second power source connection unit; and a connection control unit for controlling a switching operation of the first switch and the second switch.

Description

Intelligent switchboard and power control method using the same

The present invention relates to an intelligent switchboard and a power control method using the same, and more particularly, it is possible to easily control the power supply of the main supply and the auxiliary supply according to the power use of the customer, and fit the power use pattern of the customer. It relates to an intelligent switchboard capable of performing optimal power supply control and a power control method using the same.

In general, the Incoming and Distribution Panel is a term that refers to an electrical facility that uses an incoming panel and a distribution panel together, and the power supply panel is used to receive power from KEPCO (KEPCO). It refers to a facility and a control panel to be used, and the first half refers to a facility and a control panel that distributes the power received by the power receiving panel to a desired place.

Switchgear such as the above is composed of devices that are extremely dangerous and require careful operation, such as various cables, relays, and control switches through which high voltage flows. In general, in a large metal box in consideration of ease of maintenance and reliability. A cubicle type switchboard in which the above devices are housed and installed for each purpose and function is used.

In recent years, in order to increase the efficiency of energy use, electricity generated through renewable energy such as solar power generation is supplied together with the power supplied by KEPCO. In the switchboard, the electricity supplied by KEPCO according to a specific time or set conditions It includes a switching function to selectively supply electricity generated using renewable energy to each household.

However, in the conventional switchgear, the switching function could be mainly performed at a set time, but since such power supply control could not be actively performed, there was a problem in that it was difficult to efficiently perform the distribution operation.

The present invention has been created to solve the above problems, and provides an intelligent switchboard capable of efficient distribution operation by easily controlling electricity supplied from a plurality of supply sources to meet the needs of users, and a power control method using the same. There is a purpose.

The intelligent switchboard according to the present invention includes a first power source connection unit connected to receive electricity supplied from a first power source, a second power source connection unit connected to receive electricity supplied from a second power source, and , Installed in the first power connection line and the second power connection line connecting the household receiving electricity with the first power source connection part and the second power source connection part, and the first power connection line or the second power connection line by an external signal. A first switch and a second switch for controlling the flow of electricity through the power connection line, and a connection control unit for controlling the opening and closing of the first switch and the second switch, wherein the connection control unit 1 A power meter that measures the amount of electricity supplied from a power source and a second power source, an input communication unit for controlling the driving of the first switch and the second switch or inputting driving conditions for automatic driving, and the input communication unit It includes an edge rule engine controller (Edge Rules Engine Controller) for performing drive control to be driven by the first switch and the second switch according to the operating conditions input through.

It is preferable to further include a data transmission unit for transmitting data to a management server that collects and stores the power amount measurement information supplied from the first power source and the second power source measured by the power meter and driving information.

It is preferable that the data transmission unit transmits the measurement data to the management server through a wired or wireless communication method.

It may further include an information analysis unit for analyzing power control information according to the operation of the first switch and the second switch controlled according to the control condition of the edge rule engine controller, the information analysis unit first power source and second power It is preferable that it is formed to analyze whether the power control control condition supplied from the source can be changed to suit the user's usage pattern, and to output the analysis information to the user.

The input communication unit may further include an external communication module capable of outputting management information through a mobile terminal of a user or an administrator and receiving input information.

In the power control method according to the present invention, power may be supplied from a first power source and a second power source, respectively, and a first switch and a second switch for controlling the power supplied from the first power source and the second power source, respectively. A power control method using an intelligent switchboard including a switch, comprising: a power control step of performing power control by controlling driving of the first switch and the second switch according to the preset control condition, and supplying power for a set period of time. Collecting and storing data according to, analyzing stored accumulated data, storing storage information and analysis information of the accumulated data in a management server, and managing the storage information and analysis information of the accumulated data It includes a data output step of outputting to the administrator and the user through the server or its own communication module.

Analyzing a user's power usage pattern based on the analysis information obtained by analyzing the accumulated power control data, comparing and analyzing the user's power usage pattern with a set power control condition, and based on the user's power usage pattern It may further include the step of recommending the changed power control condition, and a change control step of controlling the driving of the first switch and the second switch according to the change condition when the user or the administrator approves the recommended change power control condition. .

In the step of recommending the changed power control condition, a result of performing power control according to the changed condition may be simulated, and the simulation result may be output together.

According to the intelligent switchboard of the present invention and the power control method using the same, power control is performed to selectively supply electricity generated through KEPCO and new and renewable energy, monitor such power control, and easily change control conditions as necessary. By doing so, there is an advantage that efficient power control can be achieved.

1 is a block diagram showing a schematic configuration of a power control system using an intelligent switchboard according to the present invention;

2 is a conceptual diagram of an embodiment of the intelligent switchboard of the present invention,

3 to 5 are conceptual diagrams showing a driving relationship of an intelligent switchboard according to each operating condition;

6 to 8 are conceptual diagrams showing another embodiment of a driving relationship of an intelligent switchboard according to each operating condition;

9 is a service conceptual diagram of an energy sharing type townhouse to which the intelligent switchboard of the present invention is applied,

10 is a flow chart showing a power control method using the intelligent switchboard of the present invention.

Hereinafter, an intelligent switchboard and a power control method using the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the present invention, various modifications may be made and various forms may be applied, and specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific form of disclosure, it is to be understood as including all changes, equivalents, or substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals have been used for similar elements. In the accompanying drawings, the dimensions of the structures are shown to be enlarged than the actual size for clarity of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. These terms are used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element.

The terms used in the present application are used only to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance the possibility of being added.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

Referring to FIG. 1, the intelligent switchboard 10 according to the present invention enables efficient use of electricity by selectively controlling the power supplied to each household from the first power source 1 and the second power source 2. Make it possible.

To this end, the intelligent switchboard 10 can receive the first power source connector 21 connected to receive electricity supplied from the first power source 1 and the electricity supplied from the second power source 2. A second power source connection part 22 connected so as to be connected, and a first switch 31 and a second switch 32 for controlling power supplied from the first power source 1 and the second power source 2 Includes. And a connection control unit 40 for controlling the driving of the first switch 31 and the second switch 32 is included, and the connection control unit 40 is connected to the management server 60 so that control information is Are collected and stored.

In this embodiment, the first power source 1 is electricity supplied from KEPCO, and the second power source 2 uses new renewable energy, for example, solar power generation facilities or wind power generation facilities. It refers to the power supplied from the power generation facility.

The place where the intelligent switchboard 10 of the present invention is installed may be applied to an apartment or townhouse in which a plurality of households reside adjacent to, or an apartment-type factory or industrial complex in which a plurality of power consumption facilities reside.

In the following, the present invention is to be installed in a townhouse in which a plurality of households reside adjacent, and the second power source (2) is a solar power generation facility that is installed in the townhouse to generate power supplied to the residents of the townhouse. It is assumed that the configuration, features, and effects of the invention will be described. However, the scope of the present invention is not limited to the above embodiments.

The first power source connector 21 is connected to power supplied by KEPCO, and the second power source connector 22 is connected to a second power source 2 which is a solar power generation facility. The second power source 2 may be an auxiliary power storage means in which electricity generated from a solar power generation facility is charged.

The first switch 31 and the second switch 32 are electrically powered from the first power source (1) or the second power source (2) for each household according to operating conditions set by the connection control unit 40 to be described later. The power supply is regulated so that the power supply is achieved.

For example, a plurality of households are connected so that power can be supplied from the first power source 1 and the second power source 2 respectively through the first switch 31 and the second switch 32, respectively. Power control so that power is supplied only through one of the first power source (1) and the second power source (2) under a specific time or under certain conditions according to the driving of the first switch 31 and the second switch 32 Is made.

Referring to FIG. 2, the connection control unit 40 is for controlling the opening and closing operation of the first switch 31 and the second switch 32.

The connection control unit 40 includes a watt hour meter 41 for measuring the amount of power supplied to each household through the first switch 31 and the second switch 32, and the first switch 31 and the second switch 32. ), which controls to control according to the set driving conditions, and outputs information such as driving status, control conditions, and power consumption, and changes the driving control conditions. It includes an input communication unit 43 for inputting a condition, and an external communication module 44 for communication with the portable terminal 70 of a user or an administrator.

The edge rule engine controller 42 controls the driving of the first switch 31 and the second switch 32 according to the set control conditions as described above to control the power supply supplied to each household.

For example, the first generation uses electricity from 7 am to 9 am and from 5 pm to 8 pm through power supplied from the second power source (2), and at other times, the first When the control condition is set to use only the power supplied through the power source 1, the edge rule engine controller 42 controls the second time from 7 am to 9 am and 5 pm to 8 pm according to the corresponding control condition. The switch 32 is turned on, and the first switch 31 is driven to be turned off. In the rest of the time, the first switch 31 is turned on and the second switch 32 is turned off so that power is supplied only through the first power source 1.

These control conditions may be set based on the amount of power in addition to time. For example, if a certain amount of power is supplied through the second power source 2 for a specific period, such as a day, a week, or a month, after that, power is controlled in such a way that power is supplied only through the first power source (1). May be achieved.

Of course, the edge rule engine controller 42 controls the driving of the first switch 31 and the second switch 32 according to various control conditions, and controls the power supply for each generation according to the desired set value in each household. do.

The input communication unit 43 may be applied with a human-machine interface (HMI), and a user or an administrator may use the input communication unit 43 to operate the first switch 31 and the second switch 32, the accumulated power consumption. , You can check by outputting information such as power control conditions for each household.

The input communication unit 43 may be applied with a touch screen in which an input means is provided on a display, or may be formed in the form of a monitor in which a separate input means is provided.

The external communication module 44 may output the output information of the input communication unit 43 through the portable terminal 70 carried by the user or the administrator, or conversely, input input values input through the input communication unit 43 from a distance. It is prepared to be.

The portable terminal 70 may be a dedicated terminal for a smart phone, a tablet PC, or an intelligent switchboard 10, and may transmit/receive data over a long distance through a wireless communication network such as Wi-Fi or Bluetooth or an Internet network.

The management server 60 is for storing and analyzing data generated during the driving process of the intelligent switchboard 10. Although not shown, a data transmission unit for transmitting data to the management server 60 is provided, and the data transmission unit connects the connection control unit 40 and the management server 60 by wire or wirelessly. In this case, the data transmission unit may be connected to the management server 60 through an Internet communication network.

The management server 60 stores data such as accumulated power usage for each household, power usage records by time, and power control conditions of the edge rule engine controller 42, and the power usage patterns of each household based on the stored information, You can analyze power use efficiency.

In this embodiment, the management server 60 analyzes the power use pattern or power use efficiency, but the connection control unit 40 includes driving information and power consumption information of the first switch 31 and the second switch 32. A separate information analysis unit may be further provided for analyzing information such as power use patterns or power use efficiency for each generation based on the data.

The information analysis unit or the management server 60 may propose a control condition for efficiently controlling power use while analyzing the power use pattern to each household user or system administrator.

That is, the optimal power use control condition is detected based on the power use information and use pattern of each generation, and the power control result by substituting the corresponding condition is simulated. By outputting the comparison data comparing the simulation result and power control data information according to the control condition with the current control condition and the corresponding power control result value to the user or the manager, the manager or the user can use the edge rule engine controller 42 as a new power control condition. You can decide whether to set the operating conditions of ).

3 to 5 show power control aspects for each generation according to operating conditions through the intelligent switchboard 10 of the present invention.

FIG. 3 is a state in which 100% power is supplied from the first power source 1, and FIG. 4 is a state in which power is supplied by 50% from the first power source 1 and the second power source 2 respectively. And FIG. 5 is a state in which 100% of power is supplied from the second power source 2.

Referring to FIG. 3, the intelligent switchboard 10 is supplied with power from the first power source 1 and the second power source 2 in a three-phase, four-wire system, and the R, S, and T lines are respectively current transformers ( 51) is connected and the wire breaker 52 is connected, so if there is a risk of electric accidents such as a short circuit, the wire breaker 52 cuts off the power supply.

Each household is connected so that power can be supplied from the first power source 1 and the second power source 2 respectively.

In this embodiment, the first generation and the second generation are connected to the R, lines and N lines of the first power source 1, and are connected to the R lines and N lines of the second power source 2. In addition, the third and fourth generations are connected to the S line and the N line of the first power source 1 and the S line and the N line of the second power source 2.

Although not shown, electrical connections of subsequent generations are divided so that overload 55 does not occur on a specific line.

The power line supplying power to each household is connected to the load 55 of each household, that is, electrical products, through the earth leakage circuit breaker 53, the electromagnetic switch 54, and the current transformer 51 to provide power.

3 is a case in which 100% power is supplied only through the first power source 1 as described above, so that the electromagnetic switch 54 connected to the first power source 1 is in the On state, while the second power source is connected. The electromagnetic switch 54 is in the Off state.

4 is set so that 50% of power is supplied from the first power source 1 and the second power source 2 respectively, so that each of the electromagnetic switch 54 is in the ON state, and FIG. 2 Since 100% power is supplied from the power source 2, only the electromagnetic switch 54 connected to the second power source 2 is in the On state, and the rest are in the Off state.

The operation control of the electromagnetic switch 54 is performed through the connection control unit 40, and the connection conditions may be variously set according to the amount of current or time conditions.

In addition, FIGS. 6 to 8 show power control aspects for each generation according to each operating condition in another embodiment of the intelligent switchboard 10 of the present invention.

In this embodiment, in order to regulate the power supplied from the first power source 1 and the second power source 2 to the load 55 of each household, each household has a first electromagnetic switch 56a and a second electromagnetic switch. (56b) is provided, and the power supplied through the first electromagnetic switch 56a and the second electromagnetic switch 56b is connected to the load 55 through the current transformer 51 and the earth leakage circuit breaker 53.

3 to 6, in order to supply electricity from the first power source 1 and the second power source 2 to the load of each household, the earth leakage circuit breaker 53 from each power source and Although the electromagnetic switch 54 and the current transformer 51 were separately provided, in this embodiment, only the first electromagnetic switch 56a and the second electromagnetic switch 56b are separated and connected from each power source, and the first electromagnetic switch The (56a) and the second electromagnetic switch (56b) are configured to be connected to the load (55) through one current transformer (51) and an earth leakage circuit breaker (53).

Therefore, in the case of this embodiment, power cannot be simultaneously supplied from the first power source 1 and the second power source 2 in each household, but there is an advantage that the power system supplied to each household is simplified and management is easy. .

Referring to the power supply according to each operating condition of the present embodiment, FIG. 6 is a state in which 100% power is supplied from the first power source 1, and FIG. 7 shows 100% power from the second power source 2 The supply is in a state, and FIG. 8 is a state in which power is supplied by selecting a supply source from among the first power source 1 or the second power source 2 at each customer.

Referring to FIG. 6, the intelligent switchboard 10 is supplied with power from the first power source 1 and the second power source 2 in a three-phase, four-wire system, respectively, and the R, S, and T lines are each current transformer ( 51) is connected and the wire breaker 52 is connected, so if there is a risk of electric accidents such as a short circuit, the wire breaker 52 cuts off the power supply.

Each household has a first electromagnetic switch 56a connected to the first power source 1 and a second power source 2 so that power can be supplied from the first power source 1 and the second power source 2 respectively. ) And a second electromagnetic switch 56b connected to it.

In this embodiment, in the first generation and the second generation, the first electromagnetic switch 56a is connected to the R ₁ line and the N ₁ line of the first power source 1, and the second electromagnetic switch 56b is the second power source. It is connected to R _2, N ₂ line and the line of (2). And in the third and fourth generations, the first electromagnetic switch 56a is connected to the S ₁ line and the N ₁ line of the first power source 1, and the second electromagnetic switch 56b is the second power source 2 It is connected to the S ₂ line and the N ₂ line.

Although not shown, electrical connections of subsequent generations are divided so that the overload 55 does not occur in a specific line even in the case of this embodiment.

The power line supplying power to each household is a load 55 through one current transformer 51 and an earth leakage circuit breaker 53, regardless of whether power is input through either of the first electromagnetic switch 56a and the second electromagnetic switch 56b. ) To supply power.

6 is a case in which 100% power is supplied only through the first power source 1 as described above, so that the first electromagnetic switch 56a of each generation connected to the first power source 1 is in the On state, whereas the second The second electromagnetic switch 56b connected to the power source 2 is in the Off state.

7 shows that 100% power is supplied from the second power source 2, so that only the second electromagnetic switch 56b of each generation connected to the second power source 2 is in an On state, and the first electromagnetic switch 56a ) Are all Off.

In addition, FIG. 8 is a case in which any one of the first power source 1 and the second power source 2 is selected as the supply power source as needed for each household. In the present embodiment, since power is supplied from the first power source 1 to the first and third generations, only the first electromagnetic switch 56a is in the On state, and the second electromagnetic switch 56b is in the Off state. Conversely, in the case of the second and fourth generations, the second electromagnetic switch 56b is in the On state, and the first electromagnetic switch 56a is in the Off state so that power is supplied from the second power source 2.

FIG. 9 shows an embodiment of a power control system to which the intelligent switchboard 10 of the present invention is applied.

As described above, a power source supplied by KEPCO and a power source supplied through its own power generation facility using renewable energy are connected to the smart switchboard of the present invention, and the smart switchboard is based on the control conditions of the connection control unit 40. Controls the power supplied to each household.

And operation information, such as power control conditions and power consumption by household, is stored in the management server 60, and the manager or user can access the data stored in the management server 60 or the intelligent switchboard 10 through the personal mobile terminal 70. Power control information controlled through can be checked and new control conditions can be entered.

10 is a flowchart showing an embodiment of a process in which power is controlled through the intelligent switchboard 10 of the present invention.

A process of performing power control through the intelligent switchboard 10 of the present invention will be described on the basis of FIG. 10.

First, check the set value that meets the set power control condition, and perform power control according to the power control condition.

According to these power control conditions, power supplied to each household is controlled, and various data such as power usage and power control information for each household through power control are accumulated in the management server 60, and accumulated in the management server 60. Analyze the data.

The accumulated data record can be output by an administrator or a user through the input communication unit 43 of the connection control unit 40, that is, an HMI system, and corresponding information can also be output through the personal portable terminal 70.

On the other hand, when the management server 60 analyzes the accumulated data and analyzes the power usage pattern for each generation, it is possible to check whether efficient power control is performed through this analysis information.

If efficient power control is in place, control conditions for power control are maintained and power control is continuously performed according to the set control conditions.

However, if efficient power control is not performed, the management server 60 derives control conditions for efficient power control. These control conditions are derived according to the user's power usage pattern information and power supply conditions of the first power source 1 and the second power source 2.

These derived new power control conditions are delivered to the user or manager together with simulation or comparison means such as estimated power usage or cost information, and the user or manager may change the control conditions according to the derived new conditions, or the derived control conditions. You can ignore and keep the existing control conditions. If the control condition is changed, a new change control condition is input through the input communication unit 43, and the edge rule engine controller 42 performs power control according to the changed control condition.

As described above, the intelligent switchboard 10 of the present invention can perform power control in a manner optimized for each generation by controlling the power supplied to each household in various ways according to the set control conditions, and control according to the power control. Efficient power control can be achieved by calculating an optimal power control condition based on the condition and power supply data corresponding thereto.

Description of the presented embodiments is provided to enable any person skilled in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those of ordinary skill in the art, and the general principles defined herein can be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention is not to be limited to the embodiments presented herein, but is to be construed in the widest scope consistent with the principles and novel features presented herein.

Claims

A first power source connection unit connected to receive electricity supplied from the first power source;

A second power source connector connected to receive electricity supplied from the second power source;

It is installed in the first power connection line and the second power connection line connecting the household receiving electricity with the first power source connection part and the second power source connection part, and the first power connection line or the second power by an external signal. A first switch and a second switch for controlling the flow of electricity through the connection line;

Including; a connection control unit for controlling the opening and closing operation of the first switch and the second switch,

The connection control unit includes a watt hour meter that measures an amount of electricity supplied from the first power source and the second power source,

An input communication unit for controlling the driving of the first switch and the second switch or inputting a driving condition for automatic driving,

It characterized in that it comprises an edge rule engine controller (Edge Rules Engine Controller) for controlling the driving of the first switch and the second switch according to the operating conditions input through the input communication unit,

Intelligent switchboard.
The method of claim 1,

It characterized in that it further comprises a data transmission unit for transmitting data to the management server for collecting and storing the power amount measurement information and the driving information measured by the first power source and the second power source measured by the power meter

Intelligent switchboard.
The method of claim 2,

Wherein the data transmission unit transmits the measurement data to the management server through wired or wireless communication.

Intelligent switchboard.
The method of claim 2,

It characterized in that it further comprises an information analysis unit for analyzing power control information according to the operation of the first switch and the second switch controlled according to the control conditions of the edge rule engine controller.

Intelligent switchboard.
The method of claim 4,

The information analysis unit analyzes whether the power control control condition supplied from the first power source and the second power source can be changed to suit the user's usage pattern, and outputs the analysis information to the user.

Intelligent switchboard.
The method of claim 1,

The input communication unit further comprises an external communication module capable of outputting management information and receiving input information through a mobile terminal of a user or an administrator.

Intelligent switchboard.
Power can be supplied from the first power source and the second power source, respectively, and using an intelligent switchboard including a first switch and a second switch for controlling the supply power of the first and second power sources, respectively. In the power control method,

A power control step of performing power control by controlling driving of the first switch and the second switch according to the preset control condition;

Collecting and storing data according to power supply for a set predetermined time;

Analyzing the stored accumulated data;

Storing storage information and analysis information of the accumulated data in a management server;

Comprising a data output step of outputting the storage information and analysis information of the accumulated data to an administrator and a user through the management server or its own communication module,

Power control method using intelligent switchboard.
The method of claim 7,

Analyzing a user's power usage pattern based on the analysis information obtained by analyzing the accumulated power control data;

Comparing and analyzing the user's power usage pattern and a set power control condition;

Recommending a changed power control condition based on a user's power usage pattern;

It characterized in that it further comprises a change control step of controlling the driving of the first switch and the second switch according to the change condition when the user or the administrator approves the recommended change power control condition,

Power control method using intelligent switchboard.
The method of claim 8,

In the step of recommending the changed power control condition, the result of performing power control according to the changed condition is simulated, and the simulation result is output together.

Power control method using intelligent switchboard.