KR101659862B1 - Smart energy management system and smart energy management method using the system - Google Patents

Abstract

A smart energy management system according to the present invention includes: a first memory for storing and providing current generation data and current state data of a new and renewable energy generation device for each household and current price data; A second memory for storing and providing residual value data, failure history data, manufacturer data, charge condition setting data, and stock quantity data; A communication unit for receiving and providing current bid price data or stock quantity data; When the amount of generated electricity meets the above-mentioned conditions, the electricity generation amount of each household is determined, and the renewable energy generation amount data and the electricity price data by each household are transmitted to the server computer of the power exchange through the communication unit. In the case of receipt of the notification of the establishment of the transaction, the monetary compensation for each household is decided according to the income from the previous day, and when the current status data of the new generation renewable energy generation device for each generation is broken, a signal indicating this to the server computer of the manufacturer of the new generation renewable energy generation device A controller for sending a message to the server computer of the manufacturer or the household for recommending replacement of the substitute product on the basis of the inventory quantity data and for determining the monetary compensation for the idle period of the new- .

Description

[0001] SMART ENERGY MANAGEMENT SYSTEM AND SMART ENERGY MANAGEMENT [0002] METHOD USING THE SYSTEM [0003]

More particularly, the present invention relates to a smart energy management system that integrates and manages photovoltaic power generation devices installed in each household of a multi-family house, and a smart energy management method using the system .

Renewable energy generation equipment including solar energy is eco-friendly in comparison with fossil energy generation equipment, and its construction cost is much lower than conventional energy generation equipment such as thermal power generation or nuclear power generation, so installation and operation are strongly recommended Is an energy generation device that is becoming

These renewable energy generation devices include solar power generation devices, wind power generation devices, and fuel cell power generation devices. Among these, solar power generation devices and fuel cell power generation devices are used as renewable energy generation devices for domestic or urban use have.

However, the existing renewable energy generation equipment has a considerable burden as an initial installation cost to be installed in a home, and it is difficult for the general public to feel the intuitive value for the initial installation cost investment, There was a problem in that the popularization did not increase significantly.

On the other hand, for a monitoring device or an integrated management system for centrally monitoring and managing a plurality of photovoltaic devices in a photovoltaic device among renewable energy generators, Korean Patent Registration No. 10-1032489 entitled " And the Korean Patent Registration No. 10-1049786 (the name of the invention: an integrated management system of photovoltaic devices) has been disclosed, and details of which are incorporated herein by reference, so that the description thereof will be omitted.

However, in the above two prior art documents, the problem of the initial installation cost of the photovoltaic power generation device and the intuitive value experience experience that the user feels while operating the initial installation cost investment has not been proposed, and thus the solution thereof is not suggested.

Accordingly, it is an object of the present invention to provide a smart energy management system that can be installed at a low initial installation cost for a user and can provide an intuitive value experience to a user during operation .

Another object of the present invention is to provide a smart energy management method that can be installed at a low initial installation cost for a user and can provide an intuitive value experience to a user during operation.

It is an object of the present invention to provide a new and renewable energy generation device installed in each apartment in a housing complex on the basis of rent condition or installment payment condition between a manufacturer (or a rental company) of a renewable energy generation device and a household state, 1. A smart energy management system communicatively connected via a network and communicatively connected to a server computer of the manufacturer,

Renewable energy generation data for each household received from the renewable energy generation apparatus for each generation and the current state data of the renewable energy generation apparatus for each generation including the occurrence of a failure of the generation of the renewable energy generation apparatus for each household, A first memory for storing and providing pre-charge price data of the first memory;

The remaining value data of the new generation renewable energy generation device for each generation, the failure history data of the new generation renewable energy generation device for each generation, the manufacturer data of the renewable energy generation device for each generation, the purchase condition setting data for each generation, A second memory for storing and providing inventory amount data including the remaining value of the energy generation device;

And receives and provides the current bid price data from the server computer of the power exchange or the stock amount data from the manufacturer server computer communicatively connected to the server computer of the power exchange and the manufacturer server computer of the renewable energy generation apparatus and periodically updated A communication unit;

Renewal energy generation device for each generation from the first memory, current prime-charge data periodically updated and stored, and prime-condition setting data from the second memory, When the power generation amount of the energy generation device meets the above-mentioned charging condition, it determines the generation power of generation power for each generation and transmits power generation amount data and charge price data to the server computer of the power exchange through the communication part, Upon receipt of the notification of the establishment of the transaction, the monetary compensation for each household is determined according to the above-

When the current state data of the new-renewable energy generation apparatus for each generation is out of order based on the current state data of the generation-specific new-generation energy generation apparatus from the first memory and the above-mentioned stock quantity data from the second memory, And outputs a signal indicative thereof to the manufacturer of the new and renewable energy generation apparatus, and at the same time, transmits a message for recommending replacement of the replacement product to the manufacturer or the household based on the above-described inventory quantity data, And a controller for determining a monetary compensation during an idle period of the device.

According to another aspect of the present invention, the above-mentioned object of the present invention is to provide a new generation renewable energy generation Device;

Renewable energy generation data for each household received from the renewable energy generation apparatus for each generation and the current state data of the renewable energy generation apparatus for each generation including the occurrence of a failure of the generation of the renewable energy generation apparatus for each household, A first memory for storing and providing pre-charge price data of the pre-

The remaining value data of the new generation renewable energy generation device for each generation, the failure history data of the new generation renewable energy generation device for each generation, the manufacturer data of the renewable energy generation device for each generation, the purchase condition setting data for each generation, A second memory for storing and providing inventory amount data including the remaining value of the energy generation device,

And receives and provides the current bid price data from the server computer of the power exchange or the stock amount data from the manufacturer server computer communicatively connected to the server computer of the power exchange and the manufacturer server computer of the renewable energy generation apparatus and periodically updated A communication unit,

Renewal energy generation device for each generation from the first memory, current prime-charge data periodically updated and stored, and prime-condition setting data from the second memory, When the power generation amount of the energy generation device meets the above-mentioned charging condition, it determines the generation power of generation power for each generation and transmits power generation amount data and charge price data to the server computer of the power exchange through the communication part, Upon receipt of the notification of the establishment of the transaction, the monetary compensation for each household is determined according to the above-

When the current state data from the generation-specific renewable energy generation device fails based on the current state data of the generation-specific renewable energy generation device from the first memory and the inventory amount data from the second memory, And outputs a signal indicative thereof to the manufacturer server computer of the new and renewable energy generation device. At the same time, a message is sent to the manufacturer or the household based on the stock quantity data to recommend replacement of the replacement product. If there is no replacement product, An energy management device including a control unit for determining a monetary compensation during an idle period of the power generation device, the energy management device being installed in common to a plurality of households in the housing complex;

A first network communicatively connecting the renewable energy generation device for each household to the energy management device; And

And a second network communicatively connecting the server computer of the generation-specific renewable energy generation device with the server computer of the power exchange and the energy management device, by providing a smart energy management system according to the present invention .

Another object of the present invention is to provide a new generation renewable energy generation device, an energy management device, and a new energy generation device for each household in a multi-family housing complex, A server computer of a power exchange that stores and communicates electric power transaction information, a manufacturer server computer of a new and renewable energy generation device that stores and communicates parts inventory information and failure report information of a renewable energy generation device, a renewable energy generation device And a second network that communicates with the server computer of the power exchange and the energy management apparatus. The first network communicates with the energy management apparatus, In an energy management method,

The generation amount of the renewable energy generation device for each generation meets the above-mentioned requirement condition, based on the current state data of the renewable energy generation device for each household, the current price data periodically updated and stored, Determining generation of generation power for each household and transmitting the generation renewable energy generation amount data and billing price data to the server computer of the power exchange through the energy management apparatus;

And a step of determining monetary compensation for each household by the money collected at the time of receipt of the transaction establishment notification from the server computer of the power exchange, by providing smart energy management method according to the present invention.

The smart energy management system according to the present invention is a condition in which a new generation renewable energy generation device for each household is sold to a user under a rental condition or a divided payment condition and is supplied to a large number of generations of the apartment house, It is possible to supply the initial installation cost of the renewable energy generation device including the photovoltaic generation device at an attractive price to the user at a low price, It is possible to increase market and profit by increasing the base of users who use the device.

The smart energy management system according to the present invention can provide an intuitive profit experience to each generation user through the distribution of money and profit according to the generation amount of the renewable energy generation device for each generation and the condition of each household.

Further, the smart energy management system according to the present invention can provide a user (customer) with a management function of automatic fault monitoring and maintenance of a management device connected to a network of a renewable energy generation device and a server of a manufacturer, There is no need to worry about malfunctions and defects of the new and renewable energy generation apparatus, and it is possible to provide an advantage that systematic renewable energy generation apparatus can be managed without incurring the personnel for maintenance and the labor cost thereof.

Also, the smart energy management method according to the present invention is a method of using a renewable energy generation device for each household that is installed for each household in a multi-family housing complex and generates new / renewable energy under a rental condition or a split payment condition between a manufacturer and a household It is possible to lower the initial installation cost of the renewable energy generation device including the photovoltaic power generation device at an attractive price to the user at an inexpensive price and increase the base of users who use the renewable energy generation device even from the viewpoint of the manufacturer, It is possible to obtain the effect of increasing the amount of renewable energy generation amount data and the price data of each generation by the energy management device to the server computer of the power exchange to generate monetary compensation for each household by the above- So that it can be used by households Users can now obtain an effect that can provide an intuitive experience revenue.

Further, the smart energy management method according to the present invention is characterized by storing current state data of a new and renewable energy generation device for each household and current price data of a periodical renewal to the energy management apparatus, storing the inventory amount data in an energy management device It is possible to determine whether or not the battery can be charged or whether a failure of the new and renewable energy generation device can be generated for each generation by using the corresponding data and the effect that the parts replacement / have.

Further, the smart energy management method according to the present invention includes the step of receiving, by the energy management apparatus, current bid price data from a server computer of a power exchange that is periodically updated or inventory amount data from the manufacturer server computer, It is possible to make an immediate decision on whether or not a bill can be paid and determine whether or not the parts can be replaced.

Further, the smart energy management method according to the present invention is a smart energy management method, in which, when the current state data of the renewable energy generation device for each household is out of order based on the current state data of the new and renewable energy generation device for each household and the above- The server computer of the manufacturer of the renewable energy generation apparatus outputs a signal indicative thereof, and at the same time, the server computer of the manufacturer or the household can be prompted to substitute a substitute product based on the stock quantity data, And determining the monetary compensation for the idle period of the renewable energy generation device for each household when the replacement product is not available, so that the owner of the renewable energy generation device (rental) for each generation by the monetary compensation for the idle period The reliability of renewable energy generation equipment There is also the effect can be felt.

Also, in the smart energy management method according to the present invention, the monetary compensation may include a rental cost reduction of a new generation renewable energy generation device for each household, a deduction of a division payment cost of a new renewable energy generation device for each household, Since it is either usable or point payable, it is possible to obtain an effect that the owner (the lessor) can reliably feel the monetary compensation for the idle period.

FIG. 1 is a perspective view showing an external configuration of a smart energy management system according to an embodiment of the present invention,
FIG. 2 is a configuration diagram showing a configuration of a new generation renewable energy generation device according to an embodiment of the present invention,
FIG. 3 is a functional block diagram illustrating a configuration of a smart energy management system according to an embodiment of the present invention,
FIG. 4 is a flowchart showing a method of processing a fault from occurrence of failure to storage of current state data in a new generation renewable energy generation device for each generation in a smart energy management system according to an embodiment of the present invention,
FIG. 5 is a flow chart showing a charge and compensation operation in a smart energy management system according to an embodiment of the present invention,
FIG. 6 is a flowchart illustrating a fault repair process and a cost process performed in a smart energy management system according to an exemplary embodiment of the present invention when a new generation renewable energy generation device is generated for each generation.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

A smart energy management system according to an embodiment of the present invention is a smart energy management system in which renewable energy (renewable energy) is generated for each household in a multi-family housing complex under the condition of rent or installment payment between a manufacturer And an energy management apparatus 200 communicatively connected to the power generation apparatus via a first network and connected to the server computer of the manufacturer (or rental company) by communication.

1, the energy management apparatus 200 is connected to a renewable energy generation apparatus 100 for each household constituted by a photovoltaic power generation apparatus through a first network N1 for providing a communication path, .

In the above, the new generation renewable energy generation device 100 for each household can be installed on the balcony for each household of the apartment house H such as an apartment. 1, reference numeral 100a denotes a roof light collecting plate installed on the roof of the apartment house H.

The generation renewable energy generation device 100 for each household is constructed so that the rental condition of the generation week (that is, rental contract) with the manufacturer (or the rental company) of the renewable energy generation device 100 for each household, ) Or installment payment terms (that is, installment payment contracts). In view of minimizing the initial installation cost of the new generation renewable energy generation device 100 for each household, it is desirable that the installment payment condition of the household user (user) be related to the selling price of the renewable energy generation device 100 for each household, More preferable. In this case, the rent is calculated as the residual value of the renewable energy generation device 100 for each household after a certain period of time, and the amount of the consumption value (the portion excluding the residual value of the total value) multiplied by the financial interest for the period is paid , Which is a method widely applied to commerce of products of various uses and price ranges such as medical equipment, housing, construction equipment automobiles, and the like.

3, the energy management apparatus 200 may include a first memory 210, a second memory 220, a communication unit 230, and a control unit 240.

The energy management device 200 may be configured as a server computer located in a management office of a multi-family housing such as an apartment.

The first memory 210 stores renewable energy generation data for each household received from the renewable energy generation apparatus 100 for each household and renewable energy generation data for each generation including the occurrence of a failure of the renewable energy generation apparatus for each generation The current state data of the power generation apparatus 100 and the current bid price data periodically updated and stored.

The first memory 210 stores current state data of the new generation renewable energy generation device 100 including the new generation renewable energy generation amount data for each generation and data for storing and providing current renewed stored current purchase price data periodically As a data base that is a composite of a base program (software) and a memory (hardware) for storing and providing the data, in a server computer in the management office forming the energy management device 200 according to the present invention And may be configured to be connected to a server computer in a management office.

Here, the new generation renewable energy generation amount data for each generation can be received from the generation direction bi-directional power amount system (refer to reference numeral 40 in FIG. 2) included in the generation renewable energy generation apparatus 100 through a signal line.

The present state data is state data including whether a failure occurs in a new generation renewable energy generation apparatus for each generation received from the new generation renewable energy generation apparatus 100 for each generation, Generation failure of a new generation renewable energy generation device for each generation of a new generation renewable energy generation device 100 in which the energy management device 200 receives the failure state signal for the components and stores the signal in the first memory 210 ≪ / RTI > The generation and transmission of the detailed state data signal will be described later with reference to Fig.

The pre-charge price data is obtained by receiving the current pre-charge price data periodically (for example, every hour or every 10 minutes) from the server computer (see reference numeral 400 in FIG. 3) of the power exchange through the Internet and the communication unit 230 .

The second memory 220 stores residual value data of the generation-specific renewable energy generation device 100, failure history data of the generation-specific renewable energy generation device 100, renewable energy generation device 100 of each generation, And the stock value data including the remaining value of the renewable energy generation device for each generation by the manufacturer are stored and provided.

The second memory 220 may be a database, which is a complex structure of a database program and a memory. In other words, the residual value data, the failure history data of the new generation renewable energy generation device 100 for each generation, the manufacturer data of the new generation renewable energy generation device 100 for each generation, the condition setting data for each generation, A data base, which is a complex structure of a database program (software) for storing and providing inventory quantity data including a residual value of an energy generation device and a memory (hardware) for storing and providing the data, 220 may be integrated with the first memory 210 into one database program and a memory. Also, the second memory 220 may be provided in the server computer in the management office forming the smart energy management apparatus according to the present invention, or may be configured to be connected to the server computer in the management office.

In the above, the residual value data is determined to be a residual value of the current residual value depreciated over an aged period from the purchase price of the renewable energy generation device 100 for each generation or a small value of the product price if the same specification product is in the market And may be calculated and stored by the control unit 240 and a previously stored operation program as data.

Each time the control unit 240 determines the failure of the new generation renewable energy generation device 100 for each household, the failure history data includes information about the identity of the household (e.g., how many times), the occurrence date of the failure, , And the inverter).

The maker data is manufacturer information of a new generation renewable energy generation device 100 for each household, which is input and stored by input means such as a keyboard at the time of installation of the smart energy management system according to the present invention.

The electricity condition setting data may be set as an electricity condition selected by the owner (household) of the new generation renewable energy generation device 100 for each household, for example, "when the electricity price is above the preset price", or " (For example, light load electric power use time zone), or when the electric power usage amount of the household is equal to or less than a preset third reference electric power amount (for example, at dawn 2 And a minimum load usage time zone such as 5 to 5 hours) according to the owner's wishes.

The inventory amount data including the residual value of the renewable energy generation device for each generation by the manufacturer is data provided by the manufacturer (or rental company) of the renewable energy generation device for each generation, Generators, batteries, inverters, inverters, and the like of the generation-specific renewable energy generation apparatus 100, which are periodically updated and supplied from the manufacturer (or rental company) server computer 300 of the generation-specific renewable energy generation apparatus, It is residual value information of each part of bidirectional electric energy meter.

The communication unit 230 is connected to the server computer 400 of the power exchange and the manufacturer server computer 300 of the new and renewable energy generation apparatus and is connected to the server computer 400 of the power exchange, Data or the stock quantity data from the manufacturer server computer 300 and supplies it.

According to one embodiment, the communication unit 230 may include an internet modem to connect to the server computer 400 of the power exchange and the manufacturer server computer 300 of the renewable energy generation device through the internet. And a network card serving as a printed circuit board for providing a print job.

The control unit 240 is communicatively connected to the bidirectional power meter (refer to reference numeral 40 in FIG. 2) of the generation-specific renewable energy generation apparatus 100 and includes a first memory 210, a second memory 220, A microprocessor including a central processing unit, a ROM as a program memory, a RAM as a processing memory, and a microprocessor including the above-mentioned renewable energy generation apparatus 100, And a data communication unit for data communication with the bidirectional power meter 40.

The control unit 240 receives the current state data of the renewable energy generation apparatus 100 for each household from the first memory 210 and the current purchase price data stored periodically and stored in the second memory 220, (100) is determined based on the condition setting data, and when generation amount of the generation-specific renewable energy generation apparatus (100) meets the above-mentioned conditions, And transmits power generation amount data and bid price data to the server computer 400. Upon receipt of the transaction establishment notification from the server computer of the power exchange, the control unit 240 determines the monetary compensation for each generation by the advance proceeds.

Here, the monetary compensation can be used as a rental cost reduction of the new and renewable energy generation device 100 for each household, a deduction of the installment payment cost of the new and renewable energy generation device 100 for each household, cash payment, (Generation) of the new generation renewable energy generation device 100 for each household by selecting one of the possible points.

Based on the current state data of the new generation renewable energy generation device 100 for each household from the first memory 210 and the above stock quantity data from the second memory 220, When the current state data is failed from the power generation apparatus 100, a signal indicative of the current state data is output to the manufacturer of the new generation renewable energy generation apparatus 100 for each household, that is, the manufacturer server computer 300. At the same time, That is, a message is sent to the manufacturer server computer 300 or to the household for recommending substitute replacement, and a monetary compensation for the idle period of the generation-specific renewable energy generation apparatus is determined when there is no substitute product.

Here, a method of transmitting a message for recommending replacement of a substitute product to the household may be performed through delivery of a message through a household-specific home automation device or delivery of a product through the security room.

1 to 4, a configuration of a smart energy management system according to another embodiment of the present invention will be described. The smart energy management system according to another embodiment of the present invention may include a new generation renewable energy generation device 100, an energy management device 200, a first network N1, and a second network N2 have.

The smart energy management system according to the embodiment described above is constituted by a plurality of generation common energy management apparatuses 200 that can be installed in the management office of the apartment house H and the smart energy management system according to another embodiment There is a difference in the system configuration including the renewable energy generation device 100 for each household, the first network N1 and the second network N2 in addition to the energy management device 200 according to one embodiment.

Referring to FIG. 2 and supplementarily referring to FIG. 1, a new generation renewable energy generation apparatus 100 will be described.

Generation renewable energy generation apparatus 100 is installed for each household of the apartment house H under the rental condition or the installment payment condition between the manufacturer (or the rental company) and the household state as described above.

2, the new generation renewable energy generation apparatus 100 includes a condenser 10, a storage battery 20, an inverter 30, a first state detection sensor 50, a second state detection sensor 60 and an interactive power meter 40.

The light collecting plate 10 is installed on the roof of the apartment house H as well as on the balcony of each household and collects solar light to convert it into electrical energy (direct current). The light collecting plate 10 includes a plurality of solar cells ≪ / RTI > In particular, the plurality of solar cells may be configured to be connected in series with each other, or may be configured to be connected in a combined manner of serial and parallel.

The roof light-collecting plate provided on the roof of the apartment house H is indicated by 100a in Fig. 1 in particular.

The storage battery 20 is connected to the output terminal of the condenser 10 to store electric energy provided by the condenser.

The inverter 30 is connected to the storage battery 20 and converts the direct current stored by the storage battery 20 into an alternating current. The inverter 30 includes a microprocessor and is operated by a program stored in advance. The inverter 30 is electrically connected to the first state detection sensor 50 and the second state detection sensor 60 and converts the direct current into alternating current It is possible to determine whether or not a fault has occurred in the condenser plate 10 and the battery 20, and to output a fault state signal.

That is, the inverter 30 outputs the first upper limit reference value and the first lower limit reference value which are compared with the AC voltage and / or AC current output from the inverter 30, the DC output voltage of the condenser 10, and / A preset second upper limit reference value and a second lower limit reference value which are compared with the DC output current, a preset third upper limit reference value and a third lower limit reference value which are compared with the DC output voltage and / or the DC output current of the battery 20 Are stored in advance.

Therefore, the inverter 30 is configured to detect the DC output voltage or the output current of the condensing plate 10 based on the abnormality in which the voltage or current value in accordance with the output signal from the first state detection sensor 50 is larger than the second upper limit reference value The voltage or current value according to the output signal from the first state detection sensor 50 that detects the rising state (overvoltage or overcurrent state) or the DC output voltage or the output current of the condenser 10 is lower than the second lower limit reference value, The inverter 30 determines the failure of the condenser plate 10 and outputs a first failure state signal indicating the failure to the bidirectional power meter 40. In this case,

Further, an abnormal rising state (overvoltage or overcurrent state) in which the voltage or current value according to the output signal from the second state detection sensor 60 for detecting the output DC current or DC voltage of the battery 20 is greater than the third upper limit reference value Or a voltage or current value according to an output signal from the second state detection sensor 60 for detecting the output DC current or DC voltage of the battery 20 is lower than the third lower limit reference value , The inverter 30 determines the failure of the battery 20 and outputs a second failure state signal indicating the failure to the bidirectional power meter 40. [

The voltage or current value according to the output signal from the first state detection sensor 50 is normal and the voltage or current value according to the output signal from the second state detection sensor 60 is also normal (Overvoltage or overcurrent fault condition) and smaller than the first lower limit reference value (undervoltage or undercurrent fault condition) at the same time when the voltage or current of the alternating current outputted by the inverter 30 And outputs a third failure state signal indicating the failure to the bidirectional power meter 40. [

In the abnormal state as described above, that is, in the fault state, the inverter 30 opens and controls a relay (not shown) to interrupt the power circuit supplied from the inverter 30 to the bidirectional power meter 40, (30) and can transmit the failure state signal to the bidirectional power meter (40).

The inverter 30 is configured such that the voltage or current value according to the output signal from the first state detection sensor 50 is normal and the voltage or current value according to the output signal from the second state detection sensor 60 is normal If the voltage or current of the alternating current output by itself is normal, the relay is closed to convert the direct current energy of the generated electric power stored in the battery 20 to the alternating current energy, And supplies it to a commercial power line.

The first state detection sensor 50 is a sensor that is electrically connected to the output terminal of the condenser 10 and detects the voltage and / or current provided by the condenser 10 and outputs the detected voltage and / or current as a condenser state signal. As the first state detecting sensor 50 for voltage detection, for example, a hall sensor for detecting a voltage for both DC and AC may be preferably used. Also, a current transformer may be used as the first state detection sensor 50 for current detection.

The second state detection sensor 60 is electrically connected to the output terminal of the battery 20 and detects the DC voltage or the DC current provided by the battery 20 and outputs it as a battery state signal. As the second state detecting sensor 60 for detecting the voltage, for example, a hall sensor for voltage detection combined with a direct current and an alternating current may be preferably used. As the second state detecting sensor 60 used for current detection, A current transformer may be used.

The bidirectional power meter 40 is basically provided with a function of measuring the amount of power used by each household and measuring the amount of power supplied to the power system by the generation of a new generation renewable energy generation device 100 It is a power meter. The bidirectional power meter 40 is connected between the output terminal of the inverter 30 and the line of the power system (commercial power line), and calculates the generation amount of the electric power used by each household and the AC power provided by the inverter 30 can do. The bidirectional electric power system 40 transmits the measured power generation amount and the fault state signal from the inverter 30 to the energy management apparatus 200 via the first network N1 and outputs the generated power from the inverter 30 To a power system (that is, a commercial AC power line connected to the bidirectional power meter).

The configuration of the energy management apparatus 200 is as described above in the description of the embodiment of the present invention with reference to FIG. 3, and therefore, a brief description including a minimum redundancy description will be described.

3, the energy management apparatus 200 includes a first memory 210, a second memory 220, a communication unit 230, and a control unit 240.

The first memory 210 stores renewable energy generation amount data for each generation received from the bi-directional power amount meter 40 of each new generation renewable energy generation apparatus 100 and whether or not the renewable energy generation apparatus 100 for each generation has a failure The present state data of the new generation and renewable energy generation device for each household and the current bid price data periodically updated are stored and provided.

The second memory 220 stores residual value data of the new generation renewable energy generation apparatus 100 by generation, failure history data of the new renewable energy generation apparatus 100 by generation, manufacturer data of the new generation renewable energy generation apparatus 100 by generation , Warehouse condition setting data, and stock value data including the residual value of the renewable energy generation device for each generation by the manufacturer.

The communication unit 230 is connected to the server computer 400 of the power exchange and the manufacturer server computer 300 of the new and renewable energy generation apparatus and receives current price data from the server computer 400 of the power exchange, Or the stock amount data from the manufacturer server computer 300 and provides it. Also, the communication unit 230 can transmit new generation renewable energy generation amount data and bid price data for each generation from the control unit 240 to the server computer 400 of the power exchange for the purpose of secondary transaction.

The control unit 240 receives the current status data of the new and renewable energy generation apparatus 100 for each generation from the first memory 210 and the current bid price data periodically updated and stored, When the power generation amount of the new generation renewable energy generation device 100 according to the generation meets the above-mentioned conditions, based on the condition setting data, the power generation of each generation is determined, (400) transmits the total amount of electricity generation amount data and the electricity price data of the renewable energy generation device (100) for each household connected in the apartment complex.

In addition, upon receipt of the transaction establishment notification from the server computer 400 of the power exchange, the control unit 240 determines the monetary compensation for each generation for each profit. Here, since the proceeds from the pre-sale are the proceeds of the entire household connected in the apartment complex, the proceeds will be distributed according to the ratio of the generation amount of the households among the total amount of electricity generated. In addition, the monetary compensation can be used as a deduction of monthly rental cost of the new generation renewable energy generation device 100 by generation, a deduction of the installment payment cost of the new and renewable energy generation device 100 by generation, cash payment, The user can be determined by the choice of a householder who is a user of the new generation renewable energy generation device 100 by any one of possible points payment.

Based on the current state data of the new generation and renewable energy generation device 100 for each household from the first memory 210 and the above stock quantity data from the second memory 220, When the current state data of the renewable energy generation apparatus 100 is out of order, a signal indicative of the failure is output to the manufacturer of the renewable energy generation apparatus for each generation and at the same time, And determines the monetary compensation for the idle period of the new generation renewable energy generation device when there is no substitute product.

The first network N1 provides a communication path for connecting the new generation renewable energy generation apparatus 100 and the energy management apparatus 200 by communication.

The second network N2 provides a communication path for connecting the manufacturer server computer 300 of the new generation renewable energy generation device for each household, the server computer 400 of the power exchange, and the energy management device 200 .

The operation of the smart energy management system according to the preferred embodiment of the present invention will now be described with reference to FIGS. 4 to 6, and FIGS. 1 to 3 as supplementary reference.

First, the main operation of the smart energy management system according to the preferred embodiment of the present invention will be described with reference mainly to FIG.

2, the inverter 30 receives the battery state signal detection signal indicating the DC voltage and / or the DC current value of the battery 20 detected by the second state detection sensor 60, Determines whether the DC voltage and / or the DC current value based on the battery condition signal detection signal is larger than the third upper limit reference value, that is, whether it is an abnormal rising state (overvoltage or overcurrent state) It is determined whether the voltage or current value in accordance with the battery state signal detection signal from the second state detection sensor 60 for detecting the DC voltage is lower than the third lower limit reference value, that is, the under voltage or under current state.

Therefore, a second state of detecting the output DC current or DC voltage of the battery 20 when the DC voltage and / or DC current value based on the battery state signal detection signal is greater than the third upper limit reference value (overvoltage or overcurrent state) If the voltage or current value in accordance with the battery condition signal detection signal from the detection sensor 60 is lower than the third lower limit reference value, that is, the under voltage or under current condition, the inverter 30 determines the failure of the battery 20 And outputs a third fault state signal indicative thereof to the bidirectional power meter 40.

However, if the DC voltage and / or the DC current value based on the battery condition signal detection signal is smaller than the third upper limit reference value and greater than the third lower limit reference value, that is, the normal state, the inverter 30 determines that the battery 20 is normal And converts the DC power from the battery 20 into AC power and supplies the AC power to the bidirectional power meter 40.

The bidirectional power meter 40 supplies the generated power received from the inverter 30 to the commercial power line (power system), and the generated power is used for each generation or supplied as power energy to the power system. Therefore, the power metering value in the bidirectional power meter 40 becomes 0 (zero) when the amount of power used by the generation is equal to the amount of power generated by the renewable energy generation device 100 for each generation, And becomes a minus value when the generated power amount of the power generation apparatus 100 is large.

The amount of electric power measured by the bidirectional electric power meter 40 is transmitted to the energy management device 200 periodically, for example, every hour through the first network N1 as power generation amount data.

The control unit 240 of the energy management apparatus 200 determines whether or not the current state data of the new and renewable energy generation apparatus 100 for each household from the first memory 210 and the current bid price data periodically updated and stored, When generation amount of the renewable energy generation device 100 for each household meets the above-mentioned charging condition (based on "YES" in step S21) based on the electricity condition setting data from the memory 220, The total sum of power generation amounts of renewable energy generation apparatuses 100 of all generation connected to each other in the multi-housing complex by the server computer 400 of the power exchange through the communication unit 230 and the second network N2, And the pre-charge price data (step S22).

In the case of "NO " in the step S21, the household is excluded from the renewable energy purchase until the above-mentioned meeting condition is satisfied.

When the second transaction establishment message is received from the server computer 400 of the power exchange through the second network N2 in step S23, the total amount of generation amount data of the generation-by-generation renewable energy generation device 100, Based on the data, the total revenues are calculated, and the revenues are distributed according to the ratio of the generation amount of each generation among the total revenues generated to determine the financial compensation for each generation (step S24). In addition, the monetary compensation can be used as a deduction of monthly rental cost of the new generation renewable energy generation device 100 by generation, a deduction of the installment payment cost of the new and renewable energy generation device 100 by generation, cash payment, The user can be determined according to the preset data according to the generation order selection, which is the user of the new generation renewable energy generation device 100 for each household.

On the other hand, referring to FIGS. 4 and 6, when failure occurs in the components of the new generation renewable energy generation device 100 for each generation, the operation of the smart energy management system according to the present invention and the after- (After Service) automatic processing operation.

2, the inverter 30 is provided with an abnormally rising state (overvoltage or overcurrent state) in which the voltage or current value according to the output signal from the first state detection sensor 50 is greater than the second upper limit reference value, When the voltage or current value corresponding to the output signal from the state detection sensor 50 is in an abnormal lowering state (an under voltage or undercurrent state) in which the value is lower than the second lower limit reference value, the inverter 30 detects the failure of the condenser plate 10 (Step S11), and outputs a first failure state signal indicating this to the bidirectional power meter 40 (step S12).

Further, an abnormal rising state (overvoltage or overcurrent state) in which the voltage or current value according to the output signal from the second state detection sensor 60 for detecting the output DC current or DC voltage of the battery 20 is greater than the third upper limit reference value Or a voltage or current value according to an output signal from the second state detection sensor 60 for detecting the output DC current or DC voltage of the battery 20 is lower than the third lower limit reference value , The inverter 30 determines the failure of the battery 20 (step S11) and outputs a second failure state signal indicating the failure to the bidirectional power meter 40 (step S12).

The voltage or current value according to the output signal from the first state detection sensor 50 is normal and the voltage or current value according to the output signal from the second state detection sensor 60 is also normal (Overvoltage or overcurrent fault condition) and smaller than the first lower limit reference value (undervoltage or undercurrent fault condition) at the same time when the voltage or current of the alternating current outputted by the inverter 30 (Step S11) and outputs a third failure state signal indicating the failure to the bidirectional power meter 40 (step S12).

When the inverter 30 is in an abnormal state (step S11) as described above, the inverter 30 opens the relay (not shown) to disconnect the power circuit supplied from the inverter 30 to the bidirectional power meter 40 The operation of the inverter 30 can be automatically stopped and the fault state signal can be transmitted to the bidirectional power meter 40 (step S12).

Then, the bidirectional power meter 40 transmits a failure status signal, such as the first to third failure status signals, to the energy management apparatus 200 via the first network N1 in step S13.

The control unit 240 of the energy management device 200 that receives the failure status signal from the bi-directional power meter 40 of each generation-specific renewable energy generation device 100 receives the failure status signal from the generational renewable energy generation device 100 (Step S14 in Fig. 4), and the failure information storage unit stores the current state data as failure state data in the first memory 210 (step S14 in Fig. 4) The condenser plate 10, the storage battery 20, and the inverter 30 (step S31 in FIG. 6).

The control unit 240 of the energy management apparatus 200 determines whether or not the corresponding component parts, that is, the condenser plate 10, the storage battery 20, and the inverter 30, based on the residual value data stored in the second memory 220, To determine the residual value. Here, the residual value is the residual value of the depreciated current value from the price of the corresponding component at the time of purchase of the new and renewable energy generation device 100 for each household, And is data that is calculated by the control unit 240 and stored in the second memory 220.

In step S33, the controller 240 of the energy management apparatus 200 accesses the server computer 300 of the manufacturer (or the rental company) through the second network N2 to access the server computer 300 of the manufacturer ) Is searched for a substitute for the component having the same residual value.

At the same time, the control unit 240 of the energy management apparatus 200 communicates with the server computer 300 of the manufacturer (or the rental company) via the second network N2 to transmit a message requesting the repair of the trouble, And sends a message to the server computer 300 of the owner of the new generation renewable energy generation apparatus 100 (customer) and manufacturer (or rental company) to recommend replacement of the replacement product.

When the after-sales service agent of the manufacturer (or the rental company) brings the substitute product to the apartment house H and replaces it (step S35), the control unit 240 of the energy management device 200, upon receipt of the after- (Step S35-1). In this case, the rental fee for the corresponding household is stopped.

Thereafter, it is confirmed whether there is a customer fault with respect to the fault agreed by the owner, customer (owner) of the rental company, manufacturer and generation of the renewable energy generation device 100 of the smart energy management system (step S36).

If it is determined in step S36 that a failure due to a customer error has occurred, the control unit 240 of the energy management apparatus 200 outputs a bill for repairing the component, and calculates a rental fee for the repair period.

The control unit 240 of the energy management apparatus 200 determines whether or not the fault is caused by the fault of the customer in step S36 based on the generation amount of the renewable energy generation apparatus 100 of another normal generation in the apartment house H. [ An amount corresponding to the power generation amount is determined during the repair period (idle period), and the monetary compensation is determined (step S37-1).

The smart energy management system and the management method according to the present invention constructed and operating as described above are designed so that a new generation renewable energy generation device for each household is sold to a user as a rental condition or a divided payment condition, And it is possible to supply the initial installation cost of the renewable energy generation device including the photovoltaic generation device at a low price to the user at an attractive price because the condition that only one common energy management device is installed in the multi- From the standpoint of the manufacturer (or the rental company), it is possible to increase the user base using the renewable energy generation device, thereby increasing the market and profitability.

The smart energy management system and the management method according to the present invention can provide an intuitive profit experience to each generation user through the distribution of money and profit according to the generation amount of the renewable energy generation device for each generation and the condition of each household .

Also, the smart energy management system and the management method according to the present invention can be implemented by the management function of the automatic failure monitoring and maintenance of the energy management apparatus connected to the network of the renewable energy generation apparatus and the server of the manufacturer, It is not necessary for the owner (customer) of each generation of new and renewable energy generation equipment to worry about malfunction or failure of new and renewable energy generation equipment, and it is possible to manage systematic new and renewable energy generation equipment without the personnel for maintenance and the labor cost thereof Can provide an advantage.

10: condenser plate 20: storage battery
30: inverter 40: bidirectional power meter
50: first state detecting sensor 60: second state detecting sensor
100: Renewable energy generation device by generation
200: Energy management device
210: first memory 220: second memory
230: communication unit 240:
300: manufacturer server computer 400: power exchange server computer
H: Apartment house N1: 1st network
N2: Second network

Claims (11)

Connected to a renewable energy generation device installed in a common housing complex by a first network under a rental condition or a split payment condition between a manufacturer and a new generation renewable energy generation device, 1. A smart energy management system communicatively connected to a server computer,
Renewable energy generation amount data for each generation received from the renewable energy generation apparatus for each generation and the present state data of the renewable energy generation apparatus for each generation including the occurrence of a failure of the renewable energy generation apparatus for each generation and periodically updated A first memory for storing and providing current bid price data;
The remaining value data of the new generation renewable energy generation device for each generation, the failure history data of the new generation renewable energy generation device for each generation, the manufacturer data of the renewable energy generation device for each generation, the purchase condition setting data for each generation, A second memory for storing and providing inventory amount data including the remaining value of the energy generation device;
And receives and provides the current bid price data from the server computer of the power exchange or the stock amount data from the manufacturer server computer communicatively connected to the server computer of the power exchange and the manufacturer server computer of the renewable energy generation apparatus and periodically updated A communication unit;
Renewal energy generation device for each generation from the first memory, current prime-charge data periodically updated and stored, and prime-condition setting data from the second memory, When the generation amount of the energy generation device meets the above-mentioned charging condition, it determines the purchase of generation power for each household and transmits the renewable energy generation amount data and the purchase price data for each household to the server computer of the power exchange through the communication part, When receiving the notification of the establishment of the transaction from the server of the KPX, the total revenue is calculated on the basis of the total amount of electricity generated by the generation of new and renewable energy generation equipment by household and the price data of the electric appliance. Based on the total amount of electricity generated, And the amount of money to be paid by each household And
When the current state data of the new-renewable energy generation apparatus for each generation is out of order based on the current state data of the generation-specific new-generation energy generation apparatus from the first memory and the above-mentioned stock quantity data from the second memory, And outputs a signal indicative thereof to the server computer of the manufacturer of the new and renewable energy generation device, and at the same time, transmits a message to the server computer of the manufacturer or the household of the manufacturer based on the stock quantity data, And a control unit for determining the monetary compensation for the idle period of the new renewable energy generation device. The method according to claim 1,
Wherein the second memory comprises:
The residual value data, the failure history data of the new and renewable energy generation device for each generation, the maker data of the renewable energy generation device for each generation, the deadline condition setting data, and the residual value of the renewable energy generation device for each generation A database program for inputting and outputting stock quantity data, the program being stored in a program memory; And
Wherein the remaining value data, the failure history data of the new and renewable energy generation device by generation, the manufacturer data of the renewable energy generation device for each generation, the deadline condition setting data, And a data memory for storing stock quantity data including a residual value of the renewable energy generation device. The method according to claim 1,
The monetary compensation includes:
It is characterized in that it is either a rental cost of a new generation renewable energy generation device by generation, a deduction of a divided payment cost of a new and renewable energy generation device by generation, a cash payment, Smart energy management system. Renewable energy generators by households, which are installed by households in the apartment complex in accordance with rental or installment terms between the manufacturer and the household and develop new and renewable energy;
Renewable energy generation amount data for each generation received from the renewable energy generation apparatus for each generation and the present state data of the renewable energy generation apparatus for each generation including the occurrence of a failure of the renewable energy generation apparatus for each generation and periodically updated A first memory for storing and providing current bid price data,
The remaining value data of the new generation renewable energy generation device for each generation, the failure history data of the new generation renewable energy generation device for each generation, the manufacturer data of the renewable energy generation device for each generation, the purchase condition setting data for each generation, A second memory for storing and providing inventory amount data including the remaining value of the energy generation device,
And receives and provides the current bid price data from the server computer of the power exchange or the stock amount data from the manufacturer server computer communicatively connected to the server computer of the power exchange and the manufacturer server computer of the renewable energy generation apparatus and periodically updated A communication unit,
Renewal energy generation device for each generation from the first memory, current prime-charge data periodically updated and stored, and prime-condition setting data from the second memory, When the generation amount of the energy generation device meets the above-mentioned charging condition, it determines the purchase of generation power for each household and transmits the renewable energy generation amount data and the purchase price data for each household to the server computer of the power exchange through the communication part, When receiving the notification of the establishment of the transaction from the server of the KPX, the total revenue is calculated on the basis of the total amount of electricity generated by the generation of new and renewable energy generation equipment by household and the price data of the electric appliance. Based on the total amount of electricity generated, And the amount of money to be paid by each household And
When the current state data from the generation-specific renewable energy generation device fails based on the current state data of the generation-specific renewable energy generation device from the first memory and the inventory amount data from the second memory, And outputs a signal indicative thereof to the server computer of the manufacturer of the new and renewable energy generation device, and at the same time, transmits a message to the server computer of the manufacturer or the household of the manufacturer based on the stock quantity data, An energy management device including a control unit for determining a monetary compensation for an idle period of the new renewable energy generation device, the energy management device being installed in common to a plurality of generations of the apartment complex;
A first network communicatively connecting the renewable energy generation device for each household to the energy management device; And
And a second network communicatively connecting the manufacturer server computer of the new generation renewable energy generation apparatus with the server computer of the power exchange and the energy management apparatus. 5. The method of claim 4,
The renewable energy generation device for each generation includes:
A condenser installed on a balcony of each household of the apartment house for condensing solar light and converting the sunlight into electrical energy;
A storage battery connected to the condenser and storing electric energy provided by the condenser;
A first state detecting sensor electrically connected to the light collecting plate for detecting a voltage or current provided by the light collecting plate and outputting the detected voltage or current as a light collecting plate state signal;
A second state detection sensor electrically connected to the battery and detecting a DC voltage or a DC current provided by the battery and outputting the detected DC voltage or DC current as a battery state signal;
A first state detecting sensor, and a second state detecting sensor, and converts the direct current stored in the accumulator into an alternating current, and provides the alternating current to the first state detecting sensor and the second state detecting sensor, When the value corresponding to the condenser state signal and the battery state signal is smaller than the predetermined lower limit value or higher than the upper limit reference value based on the state signal and the battery state signal and the predetermined lower limit reference value and the upper limit reference value, An inverter for determining a failure of the battery and outputting a failure signal indicative thereof and outputting a failure signal indicating when the voltage or current of the output AC current is smaller than a predetermined lower limit reference value or greater than a preset upper limit reference value; And
And a control unit that is connected between an output terminal of the inverter and a line of the power system to measure a power usage amount of each generation and a power generation amount provided by the inverter, and outputs the measured power generation amount and a fault signal from the inverter to the energy management And a bidirectional power meter for transmitting the generated power from the inverter to the power system. 5. The method of claim 4,
The monetary compensation includes:
It can be used as a cash payment or a point that can be earned as cash. It is also possible to deduct monthly rental cost of new and renewable energy generation equipment by generation, to deduct the installment payment cost of new and renewable energy generation equipment by household, Smart energy management system. Renewable energy generation devices, generation management systems, energy management devices, and electricity for storing and communicating electric power transaction information, which are installed for each household in the apartment complex in accordance with rental or installment conditions between the manufacturer and the household, A manufacturer server computer of a new and renewable energy generation apparatus storing and communicating parts inventory information and failure report information of the server computer of the exchange, the renewable energy generation apparatus, and the renewable energy generation apparatus of each generation and the energy management apparatus 1. A smart energy management method using a first network and a manufacturer server computer of the generation-specific renewable energy generation device, and a second network communicatively connecting the server computer of the power exchange with the energy management device,
The generation amount of the renewable energy generation device for each generation meets the above-mentioned requirement condition, based on the current state data of the renewable energy generation device for each household, the current price data periodically updated and stored, Determining generation of generation power for each household and transmitting the generation renewable energy generation amount data and billing price data to the server computer of the power exchange through the energy management apparatus;
At the time of receipt of the notification of the establishment of the transaction from the server computer of the KPX, the total revenue is calculated based on the total amount of generation data and the price data of the electricity generation of the renewable energy generation device for each household, And distributing the proceeds to determine the monetary compensation for each household by the previous profit. 8. The method of claim 7,
Renewable energy generation amount data for each generation received from the renewable energy generation apparatus for each generation and the present state data of the renewable energy generation apparatus for each generation including the occurrence of a failure of the renewable energy generation apparatus for each generation and periodically updated Storing the current bid price data in the energy management device; And
The remaining value data of the new generation renewable energy generation device for each generation, the failure history data of the new generation renewable energy generation device for each generation, the manufacturer data of the renewable energy generation device for each generation, the purchase condition setting data for each generation, And storing the inventory quantity data including the remaining value of the energy generation device in the energy management device. 8. The method of claim 7,
Further comprising the step of receiving, by the energy management device, current bid price data from a server computer of a power exchange that is periodically updated or inventory amount data from the manufacturer server computer. 10. The method according to claim 8 or 9,
When the current state data of the new-renewable energy generation device for each generation is out of order based on the current state data of the new-generation renewable energy generation device for each generation and the inventory amount data, the server computer of the manufacturer of the new- And transmits a message for recommending replacement of the substitute product to the server computer of the manufacturer or the household based on the stock quantity data,
Further comprising the step of determining a monetary compensation for the idle period of the generation-specific renewable energy generation device when there is no replacement product. 11. The method of claim 10,
The monetary compensation includes:
It is characterized in that it is either a rental cost of a new generation renewable energy generation device by generation, a deduction of a divided payment cost of a new and renewable energy generation device by generation, a cash payment, Smart energy management methods.

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