JP2011087383A - Power transaction unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the following problem: that conventional apparatuses are so configured that power generated by a power generation device and power stored in a power storage device is consumed with appropriate timing to enhance a profit ratio and surplus power is simply transmitted but they cannot carry out power transmission appropriate to the users of the apparatuses and electric power companies. <P>SOLUTION: In a power transaction unit, an amount of electricity to be transmitted can be determined before power is transmitted to a commercial power system when power generated by the power generation device and/or power stored in the power storage device is transmitted to the commercial power system. Therefore, it is possible to carry out power transmission truly appropriate to the users of the units and electric power companies. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electric power transaction unit capable of performing electric power transactions with an electric power company.

  Various devices are known for reducing power charges. For example, Patent Document 1 discloses an apparatus capable of reducing contract power with an electric power company by consuming electric power stored at night or electric power generated using natural energy in a time zone in which electric power is used frequently. Has been. Patent Document 2 discloses a device for controlling a power supply device and an electric device to increase energy saving efficiency. Patent Document 3 discloses a device capable of performing peak cut of electric power while suppressing the capacity of the power storage device. In recent years, devices that transmit power generated by a power generation device to a commercial power system have been disclosed.

JP 2008-163545 A JP2008-289276 JP 2008-306832 A

  However, these devices are mainly intended to consume the power generated by the power generation device and the power stored by the power storage device at an appropriate timing, and are configured to transmit appropriate power to the power company. It is not a thing. In addition, devices that transmit power that have been disclosed in recent years have a simple configuration in which surplus power is simply transmitted, and it cannot be said that the device users and power companies are transmitting power appropriately.

  In order to solve the above problems, the present invention enables a power generation device or / and a power storage device, and power generated by the power generation device or / and power stored in the power storage device to be transmitted to a commercial power system. The first power transmission device, the first power receiving device that can receive power from the commercial power system, and the power amount information that can acquire the power generation amount of the power generation device or / and the power storage amount of the power storage device and the power consumption amount of the electric device An acquisition device, a first transmission amount determination device that determines the amount of power to be transmitted from the first power transmission device to the commercial power system, and a power amount determined by the first transmission amount determination device to be transmitted to the commercial power system Proposed is a power transaction unit comprising a first power transmission control device for controlling a first power transmission device.

  According to the present invention configured as described above, it is possible to transmit electric power appropriate for the user of the power trading unit and the electric power company, instead of simply transmitting surplus power.

The figure which shows an example of the functional block of the electric power transaction unit of Example 1. FIG. The figure which shows an example of the specific structure of the electric power transaction unit of Example 1. The figure which showed an example of the specific structure inside the distribution board of Example 1 The figure which shows an example of the flow of a process of the electric power transaction unit of Example 1. The figure which shows an example of the functional block of the electric power transaction unit of Example 2. The figure which shows an example of the buying and selling price information of Example 2. The figure which showed the relationship between the power transaction unit of Example 3, and a center unit. The figure which shows an example of the functional block of the electric power transaction unit of Example 3. The figure which shows an example of the specific structure of the electric power transaction unit of Example 3. The figure which shows an example of the flow of a process of the electric power transaction unit of Example 3. The figure which shows an example of the functional block of the electric power transaction unit of Example 4. The figure which shows an example of the functional block of the electric power transaction unit of Example 5. The figure which shows an example of the information regarding the upper limit threshold value of the power transmission amount of Example 5. The figure which shows an example of the functional block of the electric power transaction unit of Example 6. FIG. The figure which shows an example of the request value information of Example 6. The figure which shows an example of the functional block of the electric power transaction unit of Example 7. The figure which shows an example of the buying and selling price information of Example 7. The figure which shows an example of the functional block of the power trading unit of Example 8. FIG. The figure which shows an example of the specific structure of the electric power transaction unit of Example 8. FIG. The figure which shows an example of the functional block of the electric power transaction unit of Example 9. FIG. The figure which shows an example of the specific structure of the electric power transaction unit of Example 9. The figure which shows an example of the functional block of the power trading unit of Example 10. FIG. The figure which shows an example of the carbon dioxide emission coefficient information of Example 10 The figure which shows an example of the functional block of the power trading unit of Example 11. The figure which shows an example of the display apparatus of Example 11. The figure which shows an example of the flow of a process of the electric power transaction unit of Example 11. The figure which shows an example of the functional block of the electric power transaction unit of Example 12.

  Examples of the present invention will be described below. The relationship between the embodiments and the claims is as follows. Example 1 mainly relates to claim 1 etc. Example 2 mainly relates to claim 2 etc. Example 3 mainly relates to claim 3 etc. Example 4 mainly relates to claim 4 etc. Example 5 mainly relates to claim 5 etc. Example 6 mainly relates to claim 6 etc. Example 7 mainly relates to claim 7 etc. Example 8 mainly relates to claims 8 and 9 etc. 9 mainly relates to claims 10, 11, etc., Example 10 mainly relates to claim 12, etc., Example 11 mainly relates to claim 13, etc., and Example 12 mainly relates to claim 14. In addition, this invention is not limited to these Examples at all, and can be implemented in various modes without departing from the gist thereof.

<Overview>
In the power trading unit of the present embodiment, after determining the amount of power to be transmitted from the power transmission device, the power generated by the power generation device and / or the power stored in the power storage device is transmitted to the commercial power system. It becomes possible.

<Configuration>
FIG. 1 is a diagram illustrating an example of functional blocks of a power trading unit according to the present embodiment. As shown in this figure, the “power trading unit” 0100 of this example includes a “power generation device” 0101, a “power storage device” 0102, a “first power transmission device” 0103, and a “first power receiving device” 0104. , “Amount of power acquisition device” 0105, a “first power transmission amount determination device” 0106, and a “first power transmission control device” 0107. In addition, although the example of this figure has shown the structure provided with both an electric power generating apparatus and an electrical storage apparatus, the structure provided only with one is also possible.

  Note that the functional blocks of the apparatus described below can be realized as hardware, software, or both hardware and software. Specifically, if a computer is used, a CPU, a main memory, a bus, or a secondary storage device (a hard disk, a non-volatile memory, a storage medium such as a CD or a DVD, a read drive for the medium, etc.), information Input devices used for input, printing equipment, display devices, other hardware components such as external peripheral devices, interfaces for external peripheral devices, communication interfaces, driver programs for controlling these hardware, Other examples include application programs and user interface applications. Then, through the arithmetic processing of the CPU according to the program developed on the main memory, the data input from the input device and other interfaces etc. and stored in the memory and hard disk are processed and stored, and the above hardware and software An instruction for controlling the above is generated. The present invention can be realized not only as an apparatus but also as a method.

  A part of the invention can be configured as software. Furthermore, a software product used for causing a computer to execute such software and a recording medium in which the product is fixed to a recording medium are naturally included in the technical scope of the present invention (the same applies throughout the present specification). Is).

  As the “power generation device”, various devices such as a solar cell module, a wind power generation device, a thermal power generation device, and a natural gas power generation device can be considered. As a specific configuration of the power generation device, it is conceivable to include a module for converting energy into DC power, a connection box connected to the first power transmission device, and the like. Further, it is possible to provide a component capable of absorbing an overcurrent by providing components such as a DC side switch for preventing a reverse current flow.

  As the “power storage device”, a general power storage unit can be considered, but a hybrid car, an electric vehicle, or the like can also be used as the power storage device. As a specific configuration of the power storage device, various devices such as an electric double layer capacitor and a lithium ion capacitor can be considered in addition to a nickel metal hydride battery and a lithium ion battery. In addition, it is conceivable to include components such as an inverter that can convert between alternating current and direct current.

  The “first power transmission device” has a function of transmitting power generated by the power generation device and / or power stored by the power storage device to the commercial power system. Here, the commercial power system refers to a system in which an electric power company integrates power generation / transformation / transmission / distribution for supplying power to a power receiving facility of a power consumer. Specific configurations of the first power transmission device include a power conditioner (inverter) that converts direct current output from the power generation device and power storage device into alternating current, and a distribution board that distributes power to the commercial power system. It is done. Further, it is possible to adjust the amount of power transmission by providing a power transmission switch or the like that can temporarily cut off power transmission. Here, when power transmission to the commercial power system is not performed, it is possible to supply power generated or stored power by opening a switch for the electrical device to the electrical device. Note that when both the power generation device and the power storage device are provided, a switch for supplying power from the power generation device to the power storage device can be provided.

  The “first power receiving device” has a function of allowing power from the commercial power system to be received. As a specific configuration of the first power receiving device, a distribution board that distributes power from a power transmission line of an electric power company to electric devices in each room, a power receiving switch that can cut off power reception, and the like are conceivable. For example, if the amount of power consumed or the amount of electricity stored cannot be used to supplement the amount of power consumed by an electrical device, it is possible to open the power receiving switch and receive a supply of insufficient power. Even when the power generation amount and the power storage amount are less than the power consumption amount, it is possible to perform both power transmission and power reception. In particular, when the profit generated by power transmission exceeds the loss generated by power reception, a situation where power transmission and power reception are performed simultaneously can be considered.

  The “power amount acquisition device” has a function capable of acquiring the power generation amount of the power generation device or / and the power storage amount of the power storage device and the power consumption amount of the electric device. For example, the amount of power generated is detected from the amount of power flowing into the distribution board and the amount of power flowing into the power storage device and the amount of power flowing out of the power storage device and the voltage value of the power storage device. Is possible. Further, the power consumption amount of the electric device can be obtained from the value of the electric energy flowing out from the distribution board to the electric device system. In addition, for example, the amount of power transmitted from the first power transmission device can be acquired based on the determination process of the first power transmission amount determination device described below, or can be acquired directly from the first power transmission device. Is also possible. In addition, the amount of power received by the first power receiving device can be acquired based on the amount of power consumed by the electrical device, the amount of power stored in the power storage device, or the like, or can be acquired directly from the first power receiving device. Is also possible.

  The “first power transmission amount determination device” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system. The process of determining the amount of power to be transmitted can be performed by an arithmetic device such as a CPU embedded device using the information on the amount of power. As specific contents of the processing calculation, for example, from a method (Example 2) for determining the profit to be high based on the selling price information that is information on the power selling price, or from the center unit that collects information on the electric energy Various methods such as a method of determining based on received information (Examples 3 to 7) and a method of determining the carbon dioxide emission coefficient related to the power consumption of the electrical equipment to be adjusted to a predetermined reference value or less (Example 10) Things can be considered. That is, instead of simply using the surplus power as the amount of power to be transmitted as it is, it is possible to determine an appropriate amount of power for the power trading unit, the power company, the environment, etc. by performing certain processing calculations. However, in some cases, the surplus power may be the amount of power to be transmitted.

  The “first power transmission control device” has a function of controlling the first power transmission device so that the power amount determined by the first power transmission amount determination device is transmitted to the commercial power system. Here, as a specific configuration for controlling the first power transmission device, it is conceivable to open and close a power transmission switch connected to the commercial power system at a predetermined timing. For example, when it is determined by the first power transmission amount determining device to perform a predetermined amount of power transmission, a control signal is output to the power transmission switch (first power transmission device) to open, and after a certain time has elapsed It is conceivable to perform a closing process.

<Specific configuration>
FIG. 2 is a schematic diagram illustrating an example of a configuration when each functional component of the power trading unit is realized as hardware. The operation of the hardware configuration unit will be described using this figure.

  As shown in this figure, “distribution panel” 0201 (first power transmission device, first power receiving device) is “power generation device” 0202, “power storage device” 0203, “electric equipment” 0204A / B, “commercial power system” 0205 and “power meters” 0206A to E (power amount acquisition devices), and control in the distribution board is performed by a “CPU built-in device” 0207 in which a CPU is incorporated. FIG. 3 is a diagram showing an example of a specific configuration inside “distribution panel” 0301. As shown in this figure, “power generation device system” 0302, “power storage device system” 0303, “electric equipment system” 0304, and “commercial power system” 0305 are interconnected. Electric power from the “commercial power system” can be supplied to the “power storage system” or “electric equipment system”. In addition, the power generated by the “power generation device system” can be supplied to the “commercial power system” or “electric equipment system” or “power storage device system”, and the power stored in the “power storage device system” is “ It can be supplied to a “commercial power system” or “electric equipment system”. Here, it becomes possible to control the “switch” 0306 connecting the systems in the distribution board by the CPU built-in device, and to distribute the electric energy. Here, the magnitude of the electric energy can be determined by the opening / closing time of the switch, but a configuration in which a device capable of adjusting the magnitude of the electric energy is separately provided is also possible.

  The CPU built-in device acquires information on each power amount from the power meter via the interface and stores it at a predetermined address in the main memory. Next, a calculation process for determining the amount of power to be transmitted to the commercial power system is performed using each acquired amount of power, and the processing result is stored in a predetermined address of the main memory. Next, the CPU built-in device controls the distribution board based on the processing result of the amount of power to be transmitted, and transmits a predetermined amount of power to the commercial power system.

<Process flow>
FIG. 4 is a diagram illustrating an example of a flow of power transmission processing of the power trading unit. The flow of processing in the figure consists of the following steps. First, in step S0401 (power amount acquisition step), the power generation amount of the power generation device or / and the power storage amount of the power storage device and the power consumption amount of the electric device are acquired. In step S0402 (first transmission amount determination step), the amount of power to be transmitted to the commercial power system is determined. In step S0403 (first power transmission control step), the amount of power determined in the first power transmission amount determination step is transmitted to the commercial power system.

<Effect>
The power trading unit of the present embodiment makes it possible to transmit power to the commercial power system after determining an appropriate power transmission amount, instead of simply transmitting surplus power as it is.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the first embodiment, but the amount of power to be transmitted so as to increase the profit based on the power purchase price information, which is information on the power purchase price. It is characterized by determining.

<Configuration>
FIG. 5 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “power transaction unit” 0500 of the present embodiment includes a “power generation device” 0501, a “power storage device” 0502, a “first power transmission device” 0503, and a “first power reception device” 0504. , “Electric power amount acquisition device” 0505, “First electric power transmission amount determining device” 0506, “First electric power transmission control device” 0507, and “Trade price information holding device” 0508, It has a “first revenue-oriented power transmission means” 0509. Since the basic configuration is the same as that of the power transaction unit described in FIG. 1 of the first embodiment, the “power purchase price information holding device” and the “first revenue-oriented power transmission means” which are different points will be described.

  The “trade price information holding device” has a function of holding trade price information, which is information on the trade price of electric power. As information on the power sale price of power, information on the power purchase unit price and the power sale unit price of power can be mainly considered. Such information can be acquired from a power company or the like via a network, or can be acquired from an external storage device. As a specific configuration of the selling price information holding device, it is conceivable to use various storage devices such as a flash memory and an HDD. As the sales price information, for example, the information shown in FIG. 6 can be considered. In the example of this figure, the power purchase unit price is 9 yen higher than the power sale unit price from 0:00 to 7:00, and the power sale unit price is 10 yen higher than the power purchase unit price from 11:00 to 14:00. .

  The “first revenue-oriented power transmission means” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system so that the revenue becomes high based on the selling price information. In the example of FIG. 6, when the power selling unit price is higher than the power purchasing unit price, the profit is higher when the power is sold to the power company than when the generated power and / or stored power is consumed. In this case, it is also possible to perform a determination process such as purchasing power and selling power.

  In addition, when a contract is determined in which the basic charge is determined by the demand power for a predetermined time (for example, 30 minutes), it is possible to determine the amount of power to be transmitted so that the basic charge does not increase in price. For example, it is possible to perform a process of predicting demand power for a predetermined time based on the current pace of power consumption, and supplementing the amount of power predicted to exceed with the amount of power generated by the power generation device and / or the amount of power stored in the power storage device. Conceivable. If only surplus power can be transmitted in a business contract with an electric power company, the surplus power is calculated, and the surplus power is transmitted in a time zone in which the unit price of selling power exceeds the unit price for purchasing power. It is also possible. In other time zones, the amount of power to be transmitted may be set to 0 and supplied to an external power system other than the power storage device or the commercial power system.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the first embodiment described in FIG. First, the CPU built-in device (first power transmission amount determining device, first power transmission control device, trading price information holding device) acquires the power purchase unit price and the power sale unit price from the trading price information, and stores them in the CPU. Then, a process for calculating the difference is performed to determine whether or not revenue is generated. Next, processing for determining whether or not the value of the amount of power demand for 30 minutes exceeds a predetermined threshold based on the sales price information and the information on the amount of power is performed. Specifically, the predicted value of the demand power amount for 30 minutes is obtained based on the time average of the power consumption up to now. Here, if the processing result indicates that revenue is generated and the predicted value does not exceed the threshold, the amount of power to be transmitted or generated and / or stored, regardless of the amount of power consumption Determine as. In addition, if revenue is generated but the predicted value exceeds the threshold and the basic charge is expected to rise, the power generated or / and stored so that the value of the amount of power consumed for 30 minutes does not exceed the threshold Is used as power consumption, and the remaining power is determined as the amount of power to be transmitted. Next, the distribution board is controlled based on the processing result, and a predetermined amount of power is transmitted to the commercial power system.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the first embodiment described in FIG. However, in the first transmission amount determination step, the amount of power to be transmitted is determined based on the information on the power purchase / purchase price so as to increase the profit.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of the present embodiment makes it possible to transmit power so as to increase the profit.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the first embodiment, but the power trading unit is connected to the center unit via a network and transmits power based on information about power received from the center unit. It is characterized in that the amount of power to be determined is determined.

<Configuration>
7 and 8 are diagrams illustrating an example of functional blocks of the power trading unit of the present embodiment. As shown in FIG. 7, “power trading units” 0701A to Z of the present embodiment are connected via a “center unit” 0702 and a “network” 0703 that collect information on the power of the power trading units. Further, as shown in FIG. 8, “power transaction unit” 0800 includes “power generation device” 0801, “power storage device” 0802, “first power transmission device” 0803, “first power reception device” 0804, and “ Power amount acquisition device "0805," first power transmission amount determination device "0806," first power transmission control device "0807," transmission device "0808 and" reception device "0809, the first power transmission amount determination The apparatus has a “first determination unit” 0810. Since the basic configuration is common to the power transaction unit described in FIG. 1 of the first embodiment, the “transmission device”, “reception device”, and “first determination unit” which are different points will be described.

  The “transmitting device” has a function of transmitting information about power to the center unit. Further, the “receiving device” has a function of receiving information related to power from the center unit. Here, as information on power, information on the amount of power transmitted from the power trading unit, information on the amount of power generated by the power generation device or / and the amount of power stored in the power storage device, and information indicating the effective conditions of the power transaction (Example) 4), information about the upper limit threshold of the amount of power transmission (Example 5), information about the requested value of power transmission amount (Example 6), information about the selling price of power (Example 7), and normal / abnormal state of the power system Various information such as information and information indicating that the power transaction is valid / invalid can be considered. As a specific configuration of the power transmission device or the reception device, it is conceivable to use a general wired or wireless communication device.

  In addition, assuming that a communication failure or the like occurs, a configuration in which backup information is held in a transmission device or a reception device is possible. These pieces of backup information can be transmitted to the center unit after the communication is restored to prevent data loss.

  The “first determination unit” has a function of determining the amount of power to be transmitted from the first power transmission device based on information regarding power received from the center unit. Here, the information on the power received from the center unit can be held in a storage device such as a flash memory, and can be interpreted and executed by a CPU or the like. For example, when information indicating that the commercial power system is in an abnormal state is received from the center unit, a process for setting the amount of power to be transmitted to 0 is performed in order to temporarily stop power transmission. Other specific processes will be described in Examples 4 to 7 below.

<Specific configuration>
FIG. 9 is a diagram illustrating an example of a specific configuration of the power transaction unit according to the present embodiment. Although it is the same as the power transaction unit of the first embodiment described with reference to FIG. 2, a “communication device” 0909 (transmitting device, receiving device) capable of exchanging information about power with the “center unit” 0908 is provided. When the CPU built-in device receives information about power from the center unit via the communication device, the CPU built-in device stores the information at a predetermined address of the main memory and performs a process of determining the amount of power to be transmitted to the commercial power system. The processing result is stored at a predetermined address in the main memory. Next, the distribution board is controlled based on the processing result, and a predetermined amount of power is transmitted to the commercial power system.

<Process flow>
FIG. 10 is a diagram illustrating an example of a flow of power transmission processing of the power trading unit. The flow of processing in the figure consists of the following steps. First, in step S1001 (power amount acquisition step), the power generation amount of the power generation device or / and the power storage amount of the power storage device and the power consumption amount of the electric device are acquired. Next, in step S1002 (power information receiving step), information about power is received from the center unit. In step S1003 (first transmission amount determination step), the amount of power to be transmitted is determined based on the information regarding the power received from the center unit. In step S1004 (first power transmission control step), the amount of power determined in the first power transmission amount determination step is transmitted to the commercial power system.

<Effect>
In addition to the effects of the first embodiment, the power trading unit according to the present embodiment exchanges information about power with the center unit, thereby enabling appropriate power transmission.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the third embodiment, but determines the amount of power to be transmitted based on the information on the effective conditions of power trading received from the center unit. And

<Configuration>
FIG. 11 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, “power trading unit” 1100 includes “power generation device” 1101, “power storage device” 1102, “first power transmission device” 1103, “first power reception device” 1104, and “power amount” The acquisition apparatus 1105, the “first transmission amount determination apparatus” 1106, the “first transmission control apparatus” 1107, the “transmission apparatus” 1108, and the “reception apparatus” 1109 are included. The first power transmission amount determination device includes “effective transaction power transmission means” 1111 as the first determination unit.

  The “effective condition information receiving unit” has a function of receiving effective condition information indicating an effective condition of the power transaction from the center unit. Here, the effective condition information mainly indicates conditions necessary for effectively establishing a power transaction. For example, information on the timing of power transmission and the amount of power that can be transmitted at that timing, information on the minimum amount of power that must be transmitted in a predetermined time to establish a power transaction, and power transmission as a power transaction at a predetermined time Various information such as information on the maximum amount of power that can be performed and information on conditions relating to other power transactions can be considered.

  It should be noted that the conditions for enabling transmission of only surplus power are also considered to be included in the above-mentioned effective conditions for power transactions. However, information on other effective conditions is received from the center unit, and the conditions for power transactions are appropriately set according to the timing. It is possible to change.

  The “effective transaction transmission means” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system so as to satisfy the effective condition of the power transaction based on the effective condition information. For example, when information on the timing of power transmission and the amount of power that can be transmitted at that timing is received, processing for determining the amount of power to be transmitted according to each timing is performed based on the information. Moreover, when the condition information that the power transmission at the time of the power failure is not recognized as an effective power transaction is received, it is possible to perform a process of setting the amount of power to be transmitted at the time of the power failure to zero.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the third embodiment described with reference to FIG. The power transaction unit receives information indicating an effective condition of the power transaction from the center unit in the communication device, and stores it in a predetermined address of the main memory. Next, the CPU embedded device performs a process of determining the amount of power to be transmitted so as to satisfy the effective condition of the power transaction based on the effective condition information, and stores the processing result at a predetermined address in the main memory. Next, the CPU built-in device controls the distribution board based on the processing result of the amount of power to be transmitted, and then transmits a predetermined amount of power to the commercial power system.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the third embodiment described with reference to FIG. However, in the power information receiving step, the commercial power is received so that the valid condition information indicating the valid condition of the power transaction is received from the center unit, and the valid condition of the power transaction is satisfied based on the valid condition information in the first transmission amount determining step. Processing for determining the amount of power to be transmitted to the system is performed.

<Effect>
In addition to the effects of the third embodiment, the power trading unit of the present embodiment makes it possible to perform appropriate power transmission so that the power trading is effective.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the third embodiment, but determines the amount of power to be transmitted based on the information on the upper limit threshold of the amount of power received from the center unit. It is said.

<Configuration>
FIG. 12 is a diagram illustrating an example of functional blocks of the power trading unit of the present embodiment. As shown in this figure, the “power transaction unit” 1200 of this embodiment includes a “power generation device” 1201, a “power storage device” 1202, a “first power transmission device” 1203, and a “first power reception device” 1204. , “Power amount acquisition device” 1205, “first power transmission amount determination device” 1206, “first power transmission control device” 1207, “transmission device” 1208, and “reception device” 1209. Here, the receiving device has an “upper limit threshold information receiving unit” 1210, and the first power transmission amount determining device has an “upper limit power transmitting unit” 1211 as the first determining unit.

  The “upper threshold information receiving unit” has a function of receiving upper threshold information that is information related to the upper threshold of the amount of power transmission from the center unit. As information regarding the upper limit threshold of the amount of power transmission, for example, the information shown in FIG. 13 is conceivable. In the example of this figure, an upper limit threshold for the amount of power (kWh / hour) that can be transmitted per unit time from each power transaction unit is set for each predetermined region and every predetermined time. For example, the upper threshold value in the noon time zone is set higher, but the upper threshold value in the midnight time zone is set lower.

  By using the upper threshold information in this way, excessive power is not supplied to the power company's transmission lines from a plurality of power trading units, and the power is stored in the time zone where power is required as a power company. A supply can be received from each trading unit. In particular, when a part of the transmission line connecting the power trading unit and the power company is broken, information on the upper limit threshold is transmitted to the neighboring power trading unit, etc. Adjustments can be made.

  The “upper limit power transmission unit” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system based on the upper limit threshold information. For example, when the amount of power transmitted from a predetermined area becomes larger than expected and is likely to exceed the transmission capacity, information on the upper limit threshold of the amount of transmission is transmitted again from the center unit to the power transaction unit in the area, The power trading unit can determine the amount of power to be transmitted from the first power transmission device so as not to exceed the upper threshold based on the information on the new upper threshold.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the third embodiment described with reference to FIG. The power transaction unit receives information on the upper limit threshold of the amount of power transmission from the center unit in the communication device, and stores it in a predetermined address of the main memory. Next, the CPU built-in device performs a process of determining the amount of power to be transmitted based on the information on the upper limit threshold of the amount of transmitted power, and stores the processing result at a predetermined address in the main memory. Next, the distribution board is controlled based on the processing result, and a predetermined amount of power is transmitted to the commercial power system.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the third embodiment described with reference to FIG. However, in the power information reception step, information on the upper limit threshold of the transmission amount is received from the center unit, and in the first transmission amount determination step, the amount of power to be transmitted to the commercial power system is determined based on the information on the upper limit threshold of the transmission amount. It is characterized by performing a process of determining.

<Effect>
In addition to the effects of the third embodiment, the power trading unit of the present embodiment makes it possible to perform appropriate power transmission so as not to exceed the upper limit threshold of the power transmission amount presented from the center unit.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the third embodiment, but determines the amount of power to be transmitted based on the information on the request value of the amount of power received from the center unit. It is said.

<Configuration>
FIG. 14 is a diagram illustrating an example of functional blocks of the power trading unit of the present embodiment. As shown in this figure, the “power transaction unit” 1400 of this example includes a “power generation device” 1401, a “power storage device” 1402, a “first power transmission device” 1403, and a “first power reception device” 1404. , “Amount of power acquisition device” 1405, “first power transmission amount determination device” 1406, “first power transmission control device” 1407, “transmission device” 1408, and “reception device” 1409. Here, the reception device has a “request value information reception unit” 1410, and the first power transmission amount determination device has a “request-compliant power transmission unit” 1411 as the first determination unit.

  The “request value information receiving unit” has a function of receiving request value information that is information related to a request value of the amount of power transmission from the center unit. Here, as the information on the required amount of power transmission, it is possible to use information for each power transaction unit, a predetermined time zone, and a predetermined area as in FIG. 13, but as shown in FIG. It is also possible to use information set based on the power transmission capacity. In the example of this figure, a larger required value is set for a power trading unit with a higher power transmission capacity, and a smaller required value is set for a power trading unit with a lower power transmission capacity.

  Note that the level of the power transmission capability can be determined based on the average power transmission amount per predetermined time, or can be determined based on the peak value of the power transmission amount. Further, the level of the power transmission capacity does not need to be fixed constantly for a predetermined power transaction unit, and can be set as appropriate in the center unit or each power transaction unit depending on the time zone or season. For example, when the power transmission capability from 0:00 to 7:00 is low, information on the required value of the category of capability C is used in the time zone, and when the power transmission capability from 11:00 to 14:00 is high, the capability in the time zone is used. A configuration in which information on required values of category B is used is also possible.

  The “request-compatible power transmission means” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system based on the request value information. For example, if the power supply from a power company alone is not enough in time during the daytime, the center unit sends the requested value information to the power trading unit in the area, The transaction unit can determine the amount of power to be transmitted from the first power transmission device based on the request value information. In addition, it is also possible to receive the weighted profit information in accordance with the information and to determine the amount of power to be transmitted in the power trading unit according to the profit. For example, a configuration is possible in which the weighted profit is 0.5 times or more of the normal power selling unit price, and the required value is followed. It is.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the third embodiment described with reference to FIG. The power trading unit receives information on the required amount of power transmission from the center unit in the communication device, and stores it in a predetermined address of the main memory. Next, the CPU built-in device performs a process of determining the amount of power to be transmitted based on the information on the required value of the power transmission amount, and stores the processing result at a predetermined address in the main memory. Next, the distribution board is controlled based on the processing result, and a predetermined amount of power is transmitted to the commercial power system.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the third embodiment described with reference to FIG. However, in the power information receiving step, information on the required value of the power transmission amount is received from the center unit, and in the first power transmission amount determining step, a process of determining the power amount to be transmitted based on the information on the required value of the power transmission amount is performed. It is characterized by performing.

<Effect>
With the power trading unit of the present embodiment, in addition to the effects of the third embodiment, it is possible to perform appropriate power transmission in accordance with the required value of the power transmission amount presented from the center unit.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the third embodiment, but is characterized in that it determines the amount of power to be transmitted based on the information on the selling price of power received from the center unit. Yes.

<Configuration>
FIG. 16 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “power trading unit” 1600 of this example includes a “power generation device” 1601, a “power storage device” 1602, a “first power transmission device” 1603, and a “first power reception device” 1604. , “Power amount acquisition device” 1605, “first power transmission amount determination device” 1606, “first power transmission control device” 1607, “transmission device” 1608, and “reception device” 1609. Here, the receiving device has a “purchase price information receiving unit” 1610, and the first power transmission amount determining device has a “second revenue-oriented power transmitting unit” 1611 as the first determining unit.

  The “purchasing price information receiving unit” has a function of receiving selling price information that is information related to the selling price of power from the center unit. Since the selling price of electricity may fluctuate depending on the date and time of buying and selling, it is possible to transmit an appropriate amount of electricity at an appropriate timing by obtaining information on the selling price of electricity from the center unit via the network. It becomes possible. As information on the selling price of power, the information similar to the information shown in FIG. 6 of the second embodiment is also conceivable. For example, as shown in FIG. Information is also conceivable. In the example of this figure, even when the unit price of power fluctuates, such as stock prices, it is possible to exchange information with the center unit and predict the current revenue and revenue several hours ahead in the power trading unit become.

  The “second revenue-oriented power transmission means” has a function of determining the amount of power to be transmitted from the first power transmission device to the commercial power system so as to increase the revenue based on the selling price information. Here, as a method for determining whether or not to increase the profit, the method is the same as that described in the second embodiment. However, a method for determining based on the difference between the power purchase unit price and the power sale unit price, the basic charge and the demand. A method of making a determination based on the relationship between the amounts of power can be considered. As another method, it is possible to predict the future power selling unit price (and unit price) and to determine the amount of power transmission in proportion to the difference between the predicted power selling unit price and the power purchasing unit price. .

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the third embodiment described with reference to FIG. The power transaction unit receives information on the selling price of power from the center unit in the communication device, and stores it in a predetermined address of the main memory. Next, the CPU built-in device performs a process of determining the amount of power to be transmitted based on the information on the sales price of the power so as to increase the profit, and stores the processing result at a predetermined address in the main memory. Next, the internal circuit of the distribution board is controlled based on the processing result, and a predetermined amount of power is transmitted to the commercial power system.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the third embodiment described with reference to FIG. However, in the power information receiving step, information related to the selling price of power is received from the center unit, and in the first transmission amount determining step, power is transmitted to the commercial power grid so that the profit is high based on the information on the selling price of power. A process for determining the amount of power to be performed is performed.

<Effect>
In addition to the effects of the third embodiment, the power trading unit according to the present embodiment makes it possible to perform appropriate power transmission so that the profit becomes high based on the current sales price information of the power from the center unit.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the first embodiment, but the power generated by the power generation device and / or the power stored in the power storage device is external to other than the commercial power system. It has the apparatus which can transmit to an electric power grid, It is characterized by the above-mentioned. In addition, as the device, a configuration for transmitting power to a hybrid car or an electric vehicle of an external power system can be provided.

<Configuration>
FIG. 18 is a diagram illustrating an example of functional blocks of the power transaction unit according to the present embodiment. As shown in the figure, the “power trading unit” 1800 of the present embodiment includes a “power generation device” 1801, a “power storage device” 1802, a “first power transmission device” 1803, a “first power reception device” 1804, “Power amount acquisition device” 1805, “First power transmission amount determination device” 1806, “First power transmission control device” 1807, and “Second power transmission device” 1808, Part "1809. It is also possible to provide a configuration different from the automobile power transmission unit.

  The “second power transmission device” has a function of transmitting power generated by the power generation device and / or power stored by the power storage device to an external power system other than the commercial power system. Here, as an external power system other than the commercial power system, for example, a local power system provided separately from the commercial power system can be considered. When a local power system is formed with a plurality of adjacent buildings and the like, power can be supplied to the adjacent buildings and the like by using the second power transmission device. For example, when power cannot be received from a commercial power system in these areas, power can be transmitted from the power transaction unit of this embodiment to a place where power is insufficient.

  It is also possible to adopt a configuration in which a second transmission amount determination device is provided that determines the amount of power that should be transmitted to the external power system other than the commercial power system by the power generated by the power generation device and / or the power stored by the power storage device. It is. Moreover, the structure which provides the 2nd power transmission control apparatus which controls a 2nd power transmission apparatus so that the electric energy determined by the 2nd power transmission amount determination apparatus may be transmitted to a commercial power grid is also possible. The specific determination method of the second power transmission amount determining device may be the same method as the first power transmission amount determining device, or may be configured to use a different method.

  The “automotive power transmission unit” has a function for transmitting power to a hybrid car or an electric vehicle of the external power system. Hybrid cars and electric vehicles are not always connected to the power trading unit, but can be easily charged by connecting to these power trading units when the power of these vehicles is low . In addition, it is possible to store power generated in a time zone with a low power selling fee in power storage members of these vehicles and transmit the power in a time zone with a high power sales amount.

<Specific configuration>
FIG. 19 is a diagram showing an example of a specific configuration of the power transaction unit of the present embodiment. Basically, in common with the specific configuration of the power trading unit of the first embodiment shown in FIG. 2, the power generated by the power generation device for the external power system and / or the power stored by the power storage device Can be transmitted through a power transmission plug. In addition, the structure which provides the vehicle power transmission plug for power transmission with respect to storage batteries, such as an electric vehicle, as shown in this figure is also possible.

<Process flow>
The flow of processing in the power trading unit of the present embodiment is the same as the processing flow in the power trading unit of Embodiment 1 described in FIG. However, in the first power transmission control step, it is also possible to perform control processing for transmitting the power generated by the power generation device and / or the power stored by the power storage device to an external power system other than the commercial power system.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of the present embodiment enables power transmission to an external power system other than the commercial power system.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the first embodiment,
A device capable of receiving power from an external power system other than the commercial power system is included. In addition, as the device, a configuration for receiving power from a hybrid car or an electric vehicle of an external power system can be provided.

<Configuration>
FIG. 20 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “power transaction unit” 2000 of this example includes a “power generation device” 2001, a “power storage device” 2002, a “first power transmission device” 2003, and a “first power reception device” 2004. , “Amount of power acquisition device” 2005, a “first power transmission amount determination device” 2006, a “first power transmission control device” 2007, and a “second power receiving device” 2008. The power receiving unit 2009 is included. In addition, it is also possible to provide a component different from the automobile power receiving unit.

  The “second power receiving device” has a function of allowing power to be received from an external power system other than the commercial power system. For example, when a power system different from the commercial power system is formed in a local area, by using the second power receiving device, power can be received from these power systems in an emergency such as a power failure Is possible.

  In addition, the power acquisition device acquires the amount of power received from an external power system other than the commercial power system, and further uses the power amount value to transmit power from the first power transmission device to the commercial power system. It is also possible to determine the amount.

  The “automotive power receiving unit” has a function for receiving power from a hybrid car or an electric vehicle of the external power system. For example, even when the commercial power system has a power failure as described above, it is possible to temporarily restore power by receiving power from an electric vehicle or the like that stores a large amount of power.

<Specific configuration>
FIG. 21 is a diagram showing an example of a specific configuration of the power transaction unit of the present embodiment. Although basically the same as the specific configuration of the power trading unit of the first embodiment shown in FIG. 2, it is possible to receive power from an external power system other than the commercial power system via a power receiving plug. In addition, as shown in this figure, the structure which provides the electric power receiving plug for vehicles for receiving electric power from storage batteries, such as an electric vehicle, is also possible.

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the first embodiment described in FIG. However, in the power amount acquisition step, it is also possible to acquire the amount of power received from an external power system other than the commercial power system.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of this embodiment can receive power from an external power system other than the commercial power system.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit of the first embodiment, but to the commercial power system so that the carbon dioxide emission coefficient related to the power consumption of the electrical equipment can be adjusted to a predetermined reference value or less. It is possible to determine the amount of power to be transmitted.

<Configuration>
FIG. 22 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “power trading unit” 2200 of this example includes a “power generation device” 2201, a “power storage device” 2202, a “first power transmission device” 2203, and a “first power reception device” 2204. , “Power amount acquisition device” 2205, “first power transmission amount determination device” 2206, “first power transmission control device” 2207, and “carbon dioxide emission coefficient information holding device” 2208, and the first power transmission amount determination The apparatus is characterized by having “environmentally oriented power transmission means” 2209. Since the basic configuration is the same as that of the power trading unit described in FIG. 1 of the first embodiment, the “carbon dioxide emission coefficient information holding device” and “environment-oriented power transmission means” which are different points will be described.

  The “carbon dioxide emission coefficient information holding device” is the carbon dioxide that is information on each carbon dioxide emission coefficient related to the power generated by the power generation device and / or the power stored in the power storage device and the power from the commercial power system. It has a function of holding emission coefficient information. Here, the carbon dioxide emission coefficient represents the amount of carbon dioxide generated in the process of generating electric power of a predetermined unit electric energy.

  As the carbon dioxide emission coefficient information, for example, the information shown in FIG. As shown in this figure, for example, the electric power from the commercial power system is generated by a plurality of types of power generation devices, and is larger than the carbon dioxide emission coefficient of the power generated by the solar power generation device. In addition, the carbon dioxide emission coefficient of the electric power stored by the power storage device is the carbon dioxide emission coefficient of the electric power if the origin of the electric power is a solar power generation device, and if the electric power of the commercial power system can also be stored, It becomes the value of the carbon dioxide emission coefficient according to the ratio. In the example of this figure, the power stored in the power storage device is supplied from the solar power generation device and the commercial power system at a ratio of half. A mode in which these values are appropriately updated is also conceivable. Moreover, the structure which acquires the carbon dioxide emission coefficient etc. which concern on the electric power from a commercial power grid | train suitably through a network is also possible.

  The “environmentally oriented power transmission means” is configured so that the carbon dioxide emission coefficient related to the power consumption of the electrical equipment calculated based on each carbon dioxide emission coefficient can be adjusted from the first power transmission device to the commercial power system so that it can be adjusted to a predetermined reference value or less. It has a function to determine the amount of power to be transmitted to

For example, when the reference value of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment is 0.3 (kg · CO ₂ / kWh), the power consumption of the electrical equipment is satisfied under the condition having the solar power generation device of FIG. It is preferable to suppress the supply of power from the commercial power system to 75% or less of the total power consumption so that the carbon dioxide emission coefficient can be adjusted to a reference value or less. Further, under the condition having the solar power generation device and the power storage device of FIG. 23, it is preferable to suppress the power supply from the commercial power system to 50% or less of the total power consumption. Therefore, the amount of power to be transmitted to the commercial power system is determined so that the remaining power consumption can be supplemented with the power from the power generation device and / or the power storage device. If the power supply from the power generation device and / or the power storage device is small and cannot be adjusted below the reference value, the amount of power to be transmitted to the commercial power system is set to 0 so as to be as close to the reference value as possible. Can be considered.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is the same as that of the power trading unit of the first embodiment described in FIG. First, the CPU built-in device (the first power transmission amount determining device, the first power transmission control device, the carbon dioxide emission coefficient information holding device) has the carbon dioxide emission coefficient relating to the power from the power generation device, the power storage device, and the commercial power system. Information is acquired from a storage device (flash memory or the like) and stored in a predetermined address of the main memory. Next, calculate the conditions (minimum power consumption of the power of the commercial power system, the power generation device or / and the power storage device, etc.) that satisfy the standard value of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment, The processing result is stored at a predetermined address in the main memory. Next, processing for determining power to be transmitted to the commercial power system based on the processing result and the amount of power of the power generation device or / and the power storage device is performed, and processing for storing the processing result at a predetermined address in the main memory is performed. .

<Process flow>
The process flow in the power transaction unit of the present embodiment is the same as the process flow in the power transaction unit of the first embodiment described in FIG. However, the first power transmission amount determining step is characterized in that the amount of power to be transmitted to the commercial power system is determined so that the carbon dioxide emission coefficient of each power is not more than a predetermined reference value.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of the present embodiment can reduce the amount of power to be transmitted to the commercial power grid so that the carbon dioxide emission coefficient related to the power consumption of the electrical equipment can be adjusted to a predetermined reference value or less. It is possible to determine.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit described in the tenth embodiment, but the magnitude of the power consumption of the electrical equipment is indicated by an index on the scale of the displayed bar graph. It is possible to indicate the magnitude of the carbon dioxide emission coefficient related to the amount of power consumption by the color tone of the scale of the bar graph.

<Configuration>
FIG. 24 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “power transaction unit” 2400 of this embodiment includes a “power generation device” 2401, a “power storage device” 2402, a “first power transmission device” 2403, and a “first power reception device” 2404. , “Electric power acquisition device” 2405, “First power transmission amount determination device” 2406, “First power transmission control device” 2407, “CO2 emission coefficient information holding device” 2408, and “Display device” 2410. Thus, the first power transmission amount determining device has “environment-oriented power transmission means” 2409, and the display device has “power consumption display means” 2411 and “carbon dioxide emission coefficient display means” 2412. Since the basic configuration is the same as that of the power transaction unit described in FIG. 22 of the tenth embodiment, “power consumption display means” and “carbon dioxide emission coefficient display means” which are different points will be described.

  The “display device” has a function capable of displaying a bar graph. As an example of the display device, for example, the one shown in FIG. In the example of this figure, the “bar graph” 2502 is graphically displayed along the vertical side of the “display device” 2501, but the configuration of displaying along the horizontal side and the configuration of displaying in a ring shape are the same. Conceivable. In addition to the bar graph, as shown in this figure, it is possible to provide a display window for displaying a parameter relating to the electric energy with a facial expression of the character. The parameter indicated by the “scale” 2502 in the bar graph may be the power consumption amount of the electrical equipment described below or the amount of power transmitted from the first power transmission device to the commercial power system. It is also possible to select the size of.

  The “power consumption display means” has a function of changing the scale of the bar graph according to the amount of power consumption of the electrical device. Here, the magnitude of the power consumption of the electric device can be an integrated value of the power consumption over a predetermined period (for example, one day or one month), or can be a predetermined time (for example, 30 minutes or 1 It is also possible to use an average value of power consumption over time.

  The “carbon dioxide emission coefficient display means” has a function of changing the color tone of the scale of the bar graph in accordance with the magnitude of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment. Here, the magnitude of the carbon dioxide emission coefficient related to the power consumption of electrical equipment is determined by the contribution rate of each power (power generation amount, power storage amount, power received from the commercial power system, etc.) contributing to power consumption and each carbon dioxide emission. It is possible to calculate by using the value of the coefficient. In addition, it is possible to acquire the value of each electric energy at short time intervals (for example, 10 seconds or 30 seconds) and update the display of the carbon dioxide emission coefficient each time.

  As a method of changing the color tone of the scale of the bar graph, for example, when the value of the carbon dioxide emission coefficient is small, the color is close to green, and when the value of the carbon dioxide emission coefficient is large, the color is close to black. It is done. The color tone allows the user of the power trading unit to recognize how much power consumed by the electrical equipment is related to carbon dioxide emissions.

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is basically the same as the specific configuration of the power trading unit of the first embodiment shown in FIG. 2, but further includes a display device capable of displaying a bar graph. . The display device can be configured as a part of a CPU embedded device or the like, or can be configured as a device independent of other devices. The CPU built-in device (first power transmission amount determination device, first power transmission control device, carbon dioxide emission coefficient information holding device) stores information on each carbon dioxide emission coefficient related to power from the power generation device, power storage device, and commercial power system. Acquired from a storage device (flash memory or the like) and stored in a predetermined address of the main memory. Next, the amount of each electric energy that is the supply source of the electric power consumption of the electric equipment is acquired from the electric power meter, and the carbon dioxide emission coefficient related to the electric power consumption of the electric equipment is calculated using the value of each carbon dioxide emission coefficient. The processing result is stored at a predetermined address in the main memory. Next, the CPU built-in device outputs the power consumption amount of the power device and the carbon dioxide emission coefficient information related to the power consumption to the display device, and the display device displays the power consumption of the electrical device in the displayed bar graph. The bar graph scale index is changed according to the magnitude of the quantity, and the bar graph scale color is changed according to the magnitude of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment.

<Process flow>
FIG. 26 is a diagram illustrating an example of the flow of display processing of the power trading unit. The flow of processing in the figure consists of the following steps. First, in step S2601 (power amount acquisition step), the power generation amount of the power generation device or / and the power storage amount of the power storage device and the power consumption amount of the electric device are acquired. In step S2602 (first transmission amount determination step), the amount of power to be transmitted to the commercial power system is determined. In step S2603 (first power transmission control step), the power amount determined in the first power transmission amount determination step is transmitted to the commercial power system. In step S2604 (display step), the scale index of the bar graph displayed graphically is changed according to the amount of power consumption of the electric device, and according to the size of the carbon dioxide emission coefficient related to the power consumption of the electric device. Change the color tone of the bar graph scale.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of the present embodiment visually displays the power consumption of the electrical equipment and the magnitude of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment on a bar graph scale. Is possible.

<Overview>
The power trading unit of the present embodiment is basically the same as the power trading unit described in the first embodiment, but the magnitude of the amount of power transmitted to the commercial power grid is indicated by a scale index on the displayed bar graph. In addition, it is possible to indicate the magnitude of the generated electric power by the color tone of the scale of the bar graph.

<Configuration>
FIG. 27 is a diagram illustrating an example of functional blocks of the power trading unit according to the present embodiment. As shown in this figure, the “electric power transaction unit” 2700 of this example includes a “power generation device” 2701, a “power storage device” 2702, a “first power transmission device” 2703, and a “first power reception device” 2704. , “Power amount acquisition device” 2705, “first power transmission amount determination device” 2706, “first power transmission control device” 2707, and “display device” 2708. The display device is “power transmission amount display means” 2709. And “power generation amount display means” 2710. Since the basic configuration is the same as that of the power transaction unit described in FIG. 24 of the eleventh embodiment, “power transmission amount display means” and “power generation amount display means” which are different points will be described.

  The “power transmission amount display means” has a function of changing the index of the scale of the bar graph in accordance with the amount of power transmitted from the first power transmission device to the commercial power system. Here, the magnitude of the amount of power transmitted to the commercial power can be an integrated value of the amount of power transmitted over a predetermined period (for example, one day or one month), or a predetermined time (for example, 30 minutes or It is also possible to use the average value of the amount of power transmitted over 1 hour). In addition, the magnitude of the transmitted power can be obtained using the value determined by the first power transmission amount determination device, or can be obtained from the power amount transmitted from the first power transmission device. Is possible.

  The “power generation amount display means” has a function of changing the color tone of the scale of the bar graph in accordance with the amount of power generated by the power generation device. Further, the magnitude of the generated power can be set to the magnitude of the power generated at an arbitrary time, similarly to the magnitude of the power transmission amount.

  Note that the values of other parameters can be indicated by the blinking interval of the bar graph scale. For example, a configuration in which the power consumption of the electrical device is large when the blinking interval is early and the power consumption of the electrical device is small when the blinking interval is slow is possible. .

<Specific configuration>
The specific configuration of the power trading unit of the present embodiment is basically the same as the specific configuration of the power trading unit of the first embodiment shown in FIG. 2, but further includes a display device capable of displaying a bar graph. . The CPU built-in device (first power transmission amount determination device, first power transmission control device) acquires the amount of power transmitted to the commercial power system from the result of the determination process, and the amount of power generated by the power generation device Is obtained from the power meter, and the obtained value is stored in a predetermined address of the main memory. Next, the CPU built-in device outputs information on the amount of power transmitted to the commercial power system and the amount of power generated by the power generation device to the display device, and the display device is a graphically displayed bar graph. The bar graph scale index is changed according to the amount of power transmitted to the commercial power system, and the bar graph scale color is changed according to the amount of power generated by the power generator. .

<Process flow>
The display processing flow of the power transaction unit is basically the same as the display processing flow of the eleventh embodiment shown in FIG. However, in the display step, the index of the bar graph scale displayed graphically is changed according to the amount of power transmitted to the commercial power system, and according to the amount of power generated by the power generator. Performs processing to change the color tone of the scale of the bar graph.

<Effect>
In addition to the effects of the first embodiment, the power trading unit of the present embodiment visually displays the amount of power transmitted to the commercial power system and the amount of power generated by the power generator on a bar graph scale. Is possible.

0100 Power transaction unit, 0101 Power generation device, 0102 Power storage device, 0103 First power transmission device, 0104 First power reception device, 0105 Power amount acquisition device, 0106 First power transmission amount determination device, 0107 First power transmission control device, 0201 Distribution board , 0202 power generation device, 0203 power storage device, 0204A / B electrical equipment, 0205 commercial power system, 0206A-E power meter, 0207 CPU built-in device, 0301 distribution board, 0302 power generation device system, 0303 power storage device system, 0304 electrical equipment Grid, 0305 commercial power grid, 0509 first revenue-oriented power transmission means, 0701A-Z power trading unit, 0702 center unit, 0703 network, 0808 transmitting device, 0809 receiving device, 0810 first determining unit, 0908 center unit 0909 communication device, 1110 valid condition information receiving unit, 1111 valid transaction power transmission unit, 1210 upper limit threshold information receiving unit, 1211 upper limit limited power transmission unit, 1410 request value information receiving unit, 1411 request corresponding power transmission unit, 1610 trading price information receiving unit, 1611 Second profit-oriented power transmission means, 1808 Second power transmission device, 1809 Automotive power transmission unit, 1908 External power system, 1909 Power transmission plug, 1910 Electric vehicle, etc. 1911 Car power transmission plug, 2008 Second power receiving device, 2009 Automotive power reception 2109 power receiving plug, 2111 vehicle power receiving plug, 2208 carbon dioxide emission coefficient information holding device, 2209 environment-oriented power transmission means, 2410 display device, 2411 power consumption amount display means, 2412 carbon dioxide emission coefficient display means, 2709 power transmission amount display means, 710 power generation display means

To solve the above problems, a power generation device or / and a power storage device, and a first power transmission device capable of transmitting the power generated by the power generation device or / and the power stored in the power storage device to a commercial power system When a first power receiving device capable receiving power from the commercial power system, a power generation amount or / and the power storage device of the storage amount and obtainable power amount acquisition device power consumption of electrical equipment of the power plant, power Determined by the first transmission amount determination device and the first transmission amount determination device that determine the amount of power to be transmitted from the first transmission device to the commercial power system based on the information of each electric energy acquired by the amount acquisition device. A power transaction unit is proposed that includes a first power transmission control device that controls a first power transmission device so as to transmit power to a commercial power system.

To solve the above problems, a power generation device and a power storage device, a first power transmission device capable of transmitting power generated by the power generation device and power stored in the power storage device to a commercial power system, and commercial power Acquired by the first power receiving device that can receive power from the system, the power generation amount of the power generation device, the power storage amount of the power storage device, and the power amount acquisition device that can acquire the power consumption of the electrical device, and the power amount acquisition device A first transmission amount determination device for determining the amount of power to be transmitted from the first power transmission device to the commercial power system based on the information on the respective power amounts, and the power amount determined by the first transmission amount determination device for the commercial power system The first power transmission control device that controls the first power transmission device to transmit power to the power trading unit, and the trading price information holding device that holds trading price information that is information on the trading price of power, and The first transmission amount determination device Has a first profit-oriented transmission means for determining the amount of power to be power to the commercial power system from the first power transmission device such revenue is increased on the basis of the sale price information, the first revenue directional transmission means until now Based on the time average of the power consumption of the current amount, the predicted value of the demand power amount for a predetermined time (the period during which the demand power for determining the basic fee is measured) is obtained, and the predicted value exceeds the threshold value, and the increase in the basic fee is predicted Power that is generated and stored so that the value of the amount of power used for the predetermined time does not exceed a threshold value, and if further revenue is generated, the remaining power must be transmitted. A power trading unit is proposed that is configured to perform a process that is determined as a quantity.

Claims (14)

A power generation device or / and a power storage device;
A first power transmission device capable of transmitting power generated by the power generation device and / or power stored in the power storage device to the commercial power system;
A first power receiving device capable of receiving power from a commercial power system;
A power amount acquisition device capable of acquiring a power generation amount of a power generation device or / and a power storage amount of a power storage device and a power consumption amount of an electric device;
A first transmission amount determination device for determining an amount of power to be transmitted from the first transmission device to the commercial power system;
A first power transmission control device that controls the first power transmission device to transmit the amount of power determined by the first power transmission amount determination device to the commercial power system;
An electricity trading unit consisting of The power trading unit further includes a selling price information holding device that holds selling price information that is information on selling price of power,
The first power transmission amount determining device includes first profit-oriented power transmission means for determining the amount of power to be transmitted from the first power transmission device to the commercial power system so that the profit becomes high based on the purchase price information. The power trading unit according to claim 1. The power trading unit is connected via a network with a center unit that collects information on power of a plurality of power trading units,
The trading unit is
A transmission device for transmitting information about power to the center unit;
A receiving device for receiving information about power from the center unit;
The first power transmission amount determination device includes a first determination unit that determines a power amount to be transmitted from the first power transmission device to a commercial power system based on information about power received from the center unit. Item 3. A power trading unit according to item 1 or 2. The receiving device has an effective condition information receiving unit that receives effective condition information indicating an effective condition of power transaction from the center unit,
The first determination unit includes an effective transaction transmission unit that determines an amount of power to be transmitted from the first power transmission device to the commercial power system so as to satisfy an effective condition of an electric power transaction based on the effective condition information. The power transaction unit according to claim 3. The receiving device includes an upper threshold information receiving unit that receives upper threshold information that is information on the upper threshold of the amount of power transmission from the center unit,
The first determination unit includes an upper limit limiting power transmission unit that determines an amount of power to be transmitted from the first power transmission device to the commercial power system based on the upper limit threshold information. Electricity trading unit. The receiving device includes a request value information receiving unit that receives request value information that is information related to a request value of the amount of power transmission from the center unit;
The said 1st determination part has a request corresponding | compatible transmission means to determine the electric energy which should be transmitted to a commercial power grid from a 1st power transmission apparatus based on the said request value information, The any one of Claim 3 to 5 characterized by the above-mentioned. The power trading unit according to 1. The receiving device has a selling price information receiving unit that receives selling price information that is information related to the selling price of power from the center unit,
The first determination unit includes a second profit-oriented power transmission unit that determines the amount of power to be transmitted from the first power transmission device to the commercial power system so that the profit becomes high based on the purchase price information. The power trading unit according to any one of claims 3 to 6.   The power transmission device further includes a second power transmission device capable of transmitting power generated by the power generation device and / or power stored in the power storage device to an external power system other than the commercial power system. The power trading unit according to any one of the above.   The power transaction unit according to claim 8, wherein the second power transmission device includes an automotive power transmission unit for transmitting power to a hybrid car or an electric vehicle of an external power system.   The power trading unit according to any one of claims 1 to 9, further comprising a second power receiving device that can receive power from an external power system other than the commercial power system.   The power transaction unit according to claim 10, wherein the second power receiving device includes a vehicle power receiving unit for receiving power from a hybrid car or an electric vehicle of an external power system. The power trading unit holds the carbon dioxide emission coefficient information, which is information on each carbon dioxide emission coefficient related to the power generated by the power generation device and / or the power stored in the power storage device and the power from the commercial power system. A carbon dioxide emission coefficient information holding device that
The first power transmission amount determination device is configured to supply commercial power from the first power transmission device so that a carbon dioxide emission coefficient related to power consumption of an electric device calculated based on each carbon dioxide emission coefficient can be adjusted to a predetermined reference value or less. The power trading unit according to any one of claims 1 to 11, further comprising environment-oriented power transmission means for determining an amount of power to be transmitted to the grid. The power trading unit further includes a display device capable of graphically displaying a bar graph,
The display device
A power consumption display means for changing the scale of the scale of the bar graph according to the power consumption of the electrical device;
Carbon dioxide emission coefficient display means for changing the color tone of the scale of the bar graph according to the magnitude of the carbon dioxide emission coefficient related to the power consumption of the electrical equipment;
The power trading unit according to claim 12, wherein: The power trading unit further includes a display device capable of graphically displaying a bar graph,
The display device
A transmission amount display means for changing an index of a scale of the bar graph according to the amount of electric power transmitted from the first power transmission device to the commercial power system;
A power generation amount display means for changing the color tone of the scale of the bar graph according to the amount of power generated by the power generation device,
The power trading unit according to any one of claims 1 to 12, characterized in that

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