JP6663300B2 - Communication control device, management device, communication control system, communication control method of communication control device, and communication control program - Google Patents

Description

  The present invention relates to a communication control device for controlling output of a power conditioner, a management device for managing the communication control device, a communication control device, and a communication control system including the management device. The present invention also relates to a communication control method of a communication control device for performing output control of a power conditioner and a communication control program of the communication control device.

  2. Description of the Related Art In a power plant, a communication control device that performs output control such as output suppression may be installed for a power conditioner installed in the power plant. The communication control device performs, for example, bidirectional communication with a server installed in a power company, and performs output control of the power conditioner based on the received output control information. However, the control method and the communication method (communication protocol) may be different for each power company and each region. In this case, a design change is required to change the communication method of the communication control device for each electric power company or each region, which requires labor and cost. Further, there is a problem that when a communication control device is to be relocated, it cannot be relocated to a power company having a different communication method.

  To solve such a problem, Patent Literature 1 discloses a technique of providing a gateway for unifying a communication protocol between a control device and a network. Patent Document 2 discloses a technique of providing a matching unit that matches different data among data included in different transmission formats in order to perform data transfer between control devices having different transmission specifications. .

JP-A-7-177590 JP 2012-5004 A

  However, the invention of Patent Literature 1 is based on the premise that the communication method after passing through the gateway is unified, and it is possible to cope with the case where the communication method is different for each power company or each region as described above. Can not.

  Also, as described in Patent Document 2, by performing matching processing on data having different transmission formats, it is possible to cope with different communication schemes. However, when the communication schemes are various, the types of data to be matched and There may be a wide variety of differences in the contents, and the work of aligning the data and the programs and templates for the alignment may become complicated.

  In view of the above problems, it is an object of the present invention to be able to change to a communication method according to a power supplier related to a power plant in which a power conditioner is installed.

  According to a first aspect of the present invention, there is provided a communication control method of a communication control device for performing output control of a power conditioner, wherein the communication control device is provided with a power generation device in which the power conditioner is installed from a management device that manages the communication control device. Acquiring the supplier information indicating the power supplier pertaining to the location, specifying a communication protocol corresponding to the power supplier indicated by the supplier information based on the supplier information, and using the communication protocol to perform the power supply. Communication with the server of the user, and acquiring output control information for controlling the output of the power conditioner from the server.

  Here, the “power supplier” is not limited to the power company that operates the power plant, but may be a power company that manages the power plant, a power service provider that provides power services related to the power plant, or the like. This is a concept that includes people involved in power supply.

  According to this aspect, the communication control device obtains, from the management device, supplier information indicating a power supplier (hereinafter, also referred to as a target supplier) relating to a power plant at which the power conditioner is installed (hereinafter, also referred to as a target power plant). Then, communication can be established with the target supplier using the communication protocol specified based on the acquired supplier information. Accordingly, in a case where the communication protocol is different for each power supplier, output control information can be obtained from the server of the target supplier regardless of the communication method of the target supplier. In other words, the communication method can be changed according to the target supplier, and the output control information can be obtained from the server of the target supplier. Thus, the output control of the power conditioner installed in the target power plant can be performed using the output control information.

  According to a second aspect of the present invention, there is provided a communication control device for controlling output of a power conditioner, wherein the communication control device is configured to communicate with a management device that manages the communication control device and a server of a plurality of power suppliers. A communication unit, the communication unit corresponding to the power supplier when the first communication unit receives, from the management device, supplier information indicating a power supplier related to the power plant in which the power conditioner is installed. An output for specifying a protocol, causing the first communication unit to establish communication with the server using the target protocol, and performing output control of the power conditioner from the server via the first communication unit. A communication control unit for acquiring control information.

  According to this configuration, it is possible to specify the target protocol corresponding to the target supplier and establish communication with the server of the target supplier. As a result, similarly to the first embodiment, even when the communication protocol differs for each power supplier, the output control information can be obtained from the server of the target supplier. Thus, the output control of the power conditioner installed in the power plant can be performed using the output control information.

  According to the present invention, the communication protocol corresponding to the target supplier can be specified, so that the communication method of the communication control device is changed to the communication method corresponding to the target supplier, and the output control information is transmitted from the server of the target supplier. Will be able to get. This eliminates the need to change the design of the communication control device according to the communication scheme of the target supplier.

It is an image figure of the whole composition including the communication control system concerning a 1st embodiment. 1 is a configuration diagram of a communication control system according to a first embodiment. 5 is a flowchart illustrating an operation example of the communication control system. It is a figure showing an example of a supplier information list. It is a figure showing an example of a communication method list. It is an image figure of the whole composition including the communication control system concerning a 2nd embodiment. It is a lineblock diagram of a communication control system concerning a 2nd embodiment. 5 is a flowchart illustrating an operation example of the communication control system. FIG. 11 is a configuration diagram illustrating another configuration example of the communication control system. 5 is a flowchart illustrating an operation example of the communication control system.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following description of the preferred embodiments is merely exemplary in nature and is not intended to limit the invention, its scope, or its uses.

<First embodiment>
FIG. 1 is an image diagram of an overall configuration including a communication control system 1 according to the first embodiment. In FIG. 1, the communication control system 1 includes a communication control device 2 and a management server 3 as a management device that manages the communication control device 2. The communication control device 2 is installed, for example, at the power plant 9, and the management server 3 is installed, for example, at a location away from the power plant 9. The communication control device 2 and the management server 3 are configured to be capable of two-way communication via a network 8 such as the Internet or wireless communication. Further, servers 7A, 7B,... Of a plurality of power suppliers are connected to the network 8 (in FIG. 1, described as power servers). The connection method between the communication control device 2 and the network 8 may be either wireless or wired.

  The power plant 9 is provided with a plurality of power conditioners 4, 4,... (Hereinafter, also simply referred to as PCS (Power Conditioner System)). The PCSs 4, 4,... Are connected to the system GL1 to control the amount of power output from the power plant 9 to the system GL1 (so-called power generation amount). The communication control device 2 and each PCS 4 are configured to perform bidirectional communication by a dedicated interface method using, for example, a dedicated communication line. The connection method between the communication control device 2 and each PCS 4 is not particularly limited. For example, connection may be made wirelessly instead of a dedicated communication line, or connection may be made using a general-purpose interface method instead of the dedicated interface method.

  Hereinafter, the configurations of the communication control device 2 and the management server 3 will be described in detail with reference to FIG.

  As shown in FIG. 2, the management server 3 includes a management-side communication unit 31, which communicates with the communication control device 2 via the network 8, a management-side registration unit 32, and a management-side control unit 33. In the management-side registration unit 32, a supplier information list in which supplier information is listed is registered.

  FIG. 4 shows an example of the supplier information list. As shown in FIG. 4, the supplier information list includes a power plant ID for identifying the power plant 9 and a power supplier ID for specifying the power supplier operating the power plant 9. The device 2 is listed in association with the device ID for specifying the device 2. The registration of the supplier information in the supplier information list is, for example, performed by an administrator who manages the management server 3 when the target power plant 9 is determined.

  The communication control device 2 includes a first communication unit 21 that communicates with the management-side communication unit 31 of the management server 3 via the network 8, a registration unit 22 in which a communication method list and a communication protocol are registered, and a communication control unit 23. , An output control unit 24. FIG. 2 shows an example in which three communication protocols (communication protocols A, B, and C) are stored in the registration unit 22 in advance.

  The output control unit 24 is connected to the PCSs 4, 4,..., And is configured to be able to simultaneously control the outputs of all the connected PCSs 4, 4,. The control method of the PCSs 4, 4,... By the output control unit 24 can apply a conventional technique, and a detailed description thereof is omitted here. The communication control unit 23 controls the operation of each unit of the communication control device 2 such as the first communication unit 21 and the registration unit 22. In addition, the communication control unit 23 and the output control unit 24 are configured to use the communication control method according to the present embodiment and to execute the communication control program according to the present embodiment.

  In the present embodiment, the communication control unit 23 and the output control unit 24 are defined as different blocks. However, for example, even if the communication control unit 23 and the output control unit 24 are a single control unit, For example, both control units 23 and 24 may be realized by a single microcomputer.

  Next, a process using the communication control method and the communication control program according to the present embodiment will be described in detail with reference to FIG. In the following description, the communication control device 2 is a device (device ID = TD10001) described in the column L1 of the supplier information list, and the power plant 9 (power plant ID) described in the column L1. = KYD-001). Unless otherwise specified, it is assumed that the control entity of the management server 3 is the management-side control unit 33, and the control entity of the communication control device 2 is the communication control unit 23.

  As shown in FIG. 3, when the power of the communication control device 2 is turned on, the communication control unit 23 transmits the device ID (TD10001) as the own device identifier to the management server 3 (S21). Specifically, the first communication unit 21 is controlled, and the device ID is transmitted from the first communication unit 21 to the management server 3.

  In the management server 3, when the management-side communication unit 31 receives the device ID, the management-side control unit 33 determines that the communication control device 2 is installed in the target power plant 9, and receives the received device ID and the management-side registration unit 32. Is compared with the supplier information list registered in (S11). Specifically, a power supplier ID (KYDXX) and a power plant ID (KYD-001) as supplier information associated with the device ID are specified. Thereafter, the management-side communication unit 31 is controlled, and the management-side communication unit 31 transmits the supplier information (the specified power supplier ID and the power plant ID) to the communication control device 2 (S12). Note that the supplier information is not limited to the power station ID and the power supplier ID, and it is sufficient that the power supplier related to the target power station 9 can be specified. For example, as shown in FIG. 4, a part or all of the power supplier ID is included in the power station ID so that the power supplier can be identified only from the power station ID, and the power supplier ID and Instead of the power station ID, only the power station ID may be transmitted.

  In the communication control device, when the first communication unit 21 receives the power supplier ID (KYDXX) and the power plant ID (KYD-001) (S22), the communication control unit 23 transmits the communication method list registered in the registration unit 22. And obtains information necessary for establishing communication with a server of a power supplier related to the target power plant 9 (hereinafter, referred to as a target server) (S23).

  In the communication method list, for example, access information necessary for establishing communication with the target server and output control method information predetermined for each power supplier are registered. In the following description, the target server will be described as the server 7A in FIG. FIG. 5 shows an example of the communication method list. For example, as shown in FIG. 5, in the communication method list, the IP addresses of the servers 7A, 7B,... Of the power supplier and the communication protocol information corresponding to the power supplier are registered as access information in association with the power plant ID. The name of the output control method corresponding to the power supplier is registered as the output control method information.

  As described above, the access information only needs to be information necessary for establishing communication with the servers 7A, 7B,... Of the power supplier, and is not limited to the IP address and the communication protocol information. Here, the output control method is a method in which the communication control device 2 performs the output control of the PCSs 4, 4,... With the power supplier. Use the specified one. When the output control method is determined, for example, a communication method (for example, two-way communication or one-way communication), an output control information acquisition interval, an output control information acquisition method, a response at the time of interrupt control, a response at the time of cancel control, and the like. Is determined.

  Describing S23 more specifically, the communication control unit 23 specifies the target server 7A by the IP address with reference to the column of M1 in which the power plant ID (KYD-001) received by the first communication unit 21 is described. I do. When the target server 7A is specified, the communication control unit 23 transmits a communication protocol A (hereinafter, target protocol A) corresponding to the specified target server 7A among the communication protocols A, B,. ) To establish communication with the target server 7A (S24, S31). Thereafter, the communication control unit 23 requests output control information from the target server 7A based on the output control method specified in the communication method list (S25). Specifically, the first communication unit 21 is controlled, and the first communication unit 21 sends to the target server 7A a request signal for requesting output control information necessary for output control by the calendar method described in the communication method list. Send.

  When the first communication unit 21 receives the output control information transmitted from the target server 7A (S32, S26), the output control unit 24 acquires the output control information and sends the output control information to the PCSs 4, 4,. Is executed based on the calendar method (S27). Thereafter, the communication control unit 23 repeatedly performs the processing of S25 to S26 at intervals (for example, a predetermined time of each day) based on the calendar method (output control method), and the output control unit 24 .. Are controlled based on the PCS 4, 4,... (S27).

  As described above, according to the present embodiment, the communication control unit 23 of the communication control device 2 acquires the supplier information from the management server 3 and communicates with the target server 7A using the target protocol A registered in the registration unit 22. It communicates and acquires output control information from the target server 7A. Thereby, the output control unit 24 can execute the output control of the PSCs 4, 4,... Using the acquired output control information. With such a configuration, even when the communication protocol is different for each power supplier, communication is performed according to the power supplier (target supplier) related to the power plant 9 in which the PSCs 4, 4, ... are installed. There is no need to change the design of the control device 2 or the like.

  Further, the communication control unit 23 requests the target server 7A for output control information based on the output control method (for example, the calendar method) specified in the communication method list, so that a special design change or the like is performed. And only necessary information can be obtained at appropriate timing.

  In the above embodiment, when the power of the communication control device 2 is turned on, the communication control unit 23 transmits the device ID to the management server 3 and acquires the supplier information on the target power plant 9. However, the timing at which the process of S21 is performed is not limited to this. For example, the processes of S21 to S23 (S11 to S12 in the management server) may be executed at predetermined periods (for example, at predetermined times of each day).

  Further, in the above-described embodiment, an example in which one communication control device 2 is installed in the target power plant 9 has been described. However, even when a plurality of communication control devices 2, 2,. Good. In this case, each communication control device 2 may access the management server 3, execute the same processing as in the above embodiment, and control each of the PCSs 4, 4,.

<Second embodiment>
FIG. 6 is an image diagram of the entire configuration including the communication control system 1 according to the second embodiment. 6, the communication control system 1 includes a communication control device 2 and a management server 3 that manages the communication control device 2, as in FIG. In the following description of the second embodiment, differences from the first embodiment will be mainly described, and components having the same functions as those of the first embodiment and the same processes will be described with reference to the first embodiment. In some cases, the same reference numerals are given and the description is omitted.

  As shown in FIG. 6, the communication control device 2 includes a communication control unit 2A installed outside the power plant 9, and two output control units 2B, 2B installed inside the power plant.

  The communication control unit 2A is connected to the management server 3 via the network 8. Each output control unit 2B is connected to a plurality of PCSs 4, 4,... The connection method between the communication control unit 2A and the network 8 and the connection method between each output control unit 2B and each PCS 4 are not particularly limited.

  Hereinafter, the configurations of the communication control unit 2A and the output control unit 2B will be described in detail with reference to FIG.

  As shown in FIG. 7, the communication control unit 2A includes a first communication unit 21 that communicates with the management communication unit 31 of the management server 3 via the network 8, a registration unit 22 in which a communication method list and a protocol are registered. , A communication control unit 23. Further, the output control unit 2B includes a second communication unit 25 that communicates with the first communication unit 21 using a preset communication method (hereinafter, also referred to as a specific communication method), and an output control unit 24. . The basic configurations of the first communication unit 21, the registration unit 22, the communication control unit 23, and the output control unit 24 are the same as those in the first embodiment, and a detailed description thereof will be omitted.

  In the present embodiment, a part of the processing using the communication control method and the communication control program is executed based on the flow of FIG. 3 as in the first embodiment. Specifically, as in the first embodiment, the communication control unit 23 acquires the supplier information from the management server 3 in the flow of S21 to S22, and in S23, refers to the communication method list and refers to the target server 7A. Specify the communication protocol to communicate with Thereafter, in S24, the communication control unit 23 refers to the communication method list and establishes communication with the target server 7A using the target protocol A registered in the registration unit 22.

  FIG. 8 shows a flow after establishing communication between the communication control unit 2A and the target server 7A according to the present embodiment. As shown in FIG. 8, when communication between the communication control unit 2A and the target server 7A is established, the communication control unit 23 requests output control information from the target server 7A (S25).

  When the first communication unit 21 receives the output control information transmitted from the target server 7A (S26), the communication control unit 23 controls the output control unit 24 of the one output control unit 2B to control the PCSs 4, 4,. Is transmitted to one output control unit 2B (S28). Similarly, the output control unit 24 of the other output control unit 2B transmits output control information for controlling the PCSs 4, 4,... To the other output control unit 2B (S29). Specifically, it controls the first communication unit 21 and transmits an output control signal from the first communication unit 21 to the second communication unit 25 of each output control unit 2B. When the first communication unit 21 receives the output control information, the first communication unit 21 uniquely determines the second communication unit 25 to which the output control information is to be distributed, and transmits the output control information based on the determination result. You may.

  In each output control unit 2B, when the second communication unit 25 receives the output control information (S41), the output control unit 24 acquires the output control information and outputs the output control information to the PSCs 4, 4,... Based on the output control information. The control is executed (S42). After that, the communication control unit 23 repeatedly performs the processing of S25 to S29 at intervals (for example, a predetermined time of each day) based on the output control method, and the output control unit 24 generates the PSC4 based on the received output control information. , 4,... (S41, S42).

  As described above, according to the present embodiment, the first communication unit 21 of the communication control unit 2A and the second communication unit 25 of the output control unit 2B are configured to communicate using the specific communication method. The control unit 2A establishes communication with the target server 7A using the target protocol A. With such a configuration, existing facilities installed in the power plant 9 can be effectively used. Specifically, even when the output control unit 2B already installed in the power plant 9 supports only the specific communication method, the communication control unit 2A may be installed as described in the above embodiment. . Thus, even when the communication method specified by the target server 7A is different from the specific communication method, the output control unit 2B can acquire the output control information from the target supplier.

  In this embodiment, as in the first embodiment, the communication control unit 23 may request the target server 7A for output control information based on the output control method specified in the communication method list, as in the first embodiment. It is possible, and the same effects as in the first embodiment can be obtained.

  In FIG. 6, the communication control unit 2 </ b> A is installed outside the target power plant 9, but may be installed in the target power plant 9. In addition, the output control unit 2B is provided at the target power plant 9, but may be provided outside the target power plant 9. In FIG. 6, an example in which two output control units 2B and 2B are installed in the target power plant 9 has been described. However, the number of output control units 2B installed in the target power plant 9 is not particularly limited. Even with one or three or more, the same effect can be obtained with the same configuration.

<Other embodiments>
Although the embodiments of the present invention have been described above, various modifications are possible.

  For example, as shown in FIG. 9, a relay server 5 may be provided between the communication control devices 2, 2,... And the management server 3. In FIG. 9, the connection between the relay server 5 and each communication control device 2 and the connection between the relay server 5 and the management server 3 are connected by a VPN (Virtual Private Network). In other words, each communication control device 2 and the management server 3 are connected by a private network without passing through a general-purpose network such as the Internet. Further, the communication control device 2 accesses the target server 7A via the relay server 5. With such a network configuration, security in communication between the communication control device 2 and the management server 3 can be enhanced. 9 shows an example in which a plurality of communication control devices 2, 2,... Are connected to the management server 3 via one relay server 5, but each communication control device 2 has a one-to-one correspondence. You may make it connect to the management server 3 via the relay server 5.

  In FIG. 9, the relay server 5 may be configured to have a role as a hub between the communication control device 2 and the management server 3 described in the first embodiment. Further, when the output control unit 2B described in the second embodiment is installed in each power station 9 instead of the communication control device 2, the relay server 5 is described in the second embodiment. A function as the communication control unit 2A may be provided (described in parentheses in FIG. 9).

  Further, in the first and second embodiments, the target server is described as a server (for example, the server 7A in FIG. 1) relating to a power supplier adopting a calendar method as an output control method. The target server may be a server (for example, the server 7 </ b> B in FIG. 1) related to the power supplier adopting the real-time method. In this case, the operation after the communication between the communication control unit 23 and the target server 7B is established is different from that in FIG. Specifically, as shown in FIG. 10, when communication between the communication control unit 23 and the target server 7B is established, in S20, the communication control device 6 acquires the power generation information of the PCSs 4, 4,. Here, when the power plant is, for example, a photovoltaic power generation facility, the amount of power generation may change according to the amount of solar radiation or the like. Also, the amount of power generation may vary in power generation facilities other than solar power generation. Therefore, the communication control device 6 acquires the power generation information of the PCSs 4, 4,... Every time the process of S20 is performed. Thereafter, the first communication unit 21 is controlled to transmit the acquired power generation information of the PCSs 4, 4,... To the target server 7B from the first communication unit 21 (S20).

  When the first communication unit 21 receives the control information generated based on the power generation information transmitted from the target server 7B (S33, S32, S26), the output control unit 24 acquires the output control information, and the PCSs 4, 4, and 6. .. Are controlled based on the output control information in a real-time manner (S27). Thereafter, the communication control unit 23 repeatedly performs the processing of S20 and S26 at intervals based on the real-time method, and the output control unit 24 performs output control on the PCSs 4, 4, ... based on the received output control information. It is executed (S27). As shown in FIG. 10, the communication control unit 23 can acquire output control information based on transmitting another signal such as power generation information instead of transmitting a request signal to the server. May be configured. That is, "the communication control unit 23 requests the output control information" includes the above-described indirect request for the output control information in addition to the direct transmission of the request signal.

  According to the present invention, even when the communication protocol is different for each power supplier, the output control information can be obtained from the server of the target supplier regardless of the communication method of the target supplier. is there.

REFERENCE SIGNS LIST 1 communication control system 2 communication control device 2B output control unit 22 registration unit 21 first communication unit 23 communication control unit 24 output control unit 25 second communication unit 3 management server (management device)
31 management-side communication unit 32 management-side registration unit 33 management-side control unit

Claims (9)

A communication control method of a communication control device for performing output control of a power conditioner,
The communication control device,
Obtaining supplier information indicating a power supplier related to a power plant where the power conditioner is installed from a management device that manages the communication control device,
Based on the supplier information, identify a communication protocol corresponding to the power supplier indicated by the supplier information, establish communication with the power supplier server using the communication protocol,
A communication control method, comprising obtaining output control information for performing output control of the power conditioner from the server. A communication control system including a communication control device for performing output control of a power conditioner and a management device configured to be able to communicate with the communication control device,
The communication control device transmits an own device identifier for identifying the own device to the management device,
The management device that has received the own device identifier specifies a power supplier related to a power plant in which the power conditioner is installed, and transmits, to the communication control device, supplier information indicating the power supplier,
The communication control device that has received the supplier information specifies a communication protocol corresponding to the power supplier, establishes communication with the power supplier server using the communication protocol, and from the server. A communication control system for acquiring output control information for performing output control of the power conditioner. A communication control device for performing output control of a power conditioner,
A first communication unit configured to be able to communicate with a management device that manages the communication control device and a server of a plurality of power suppliers;
When the first communication unit receives, from the management device, supplier information indicating a power supplier related to the power plant in which the power conditioner is installed, the first communication unit specifies a target protocol that is a communication protocol corresponding to the power supplier. And causing the first communication unit to establish communication with the server using the target protocol, and obtaining output control information for performing output control of the power conditioner from the server via the first communication unit. A communication control device comprising: The communication control device according to claim 3,
When the communication control unit receives the output control information from the server, the communication control device further includes an output control unit that controls output of the power conditioner using the output control information. The communication control device according to claim 3,
A second communication unit that communicates with the first communication unit using a communication method set in advance, and an output control unit including an output control unit that performs output control of the power conditioner;
The communication control unit, when receiving the output control information from the server, transmits the output control information to the output control unit via the first and second communication unit,
The communication control device, wherein the output control unit controls output of the power conditioner based on the output control information. The communication control device according to claim 4 or 5,
The communication control unit, when the first communication unit receives the supplier information from the management device, specifies an output control method of the power conditioner, and based on the specified output control method, the output from the server. Get control information,
The communication control device, wherein the output control unit performs output control of the power conditioner based on the output control method and the output control information acquired from the server. The communication control device according to claim 3,
Further comprising a registration unit in which a plurality of communication protocols are registered,
The communication control unit, when the first communication unit receives the supplier information related to the power supplier from the management device, selects the target protocol from the plurality of communication protocols, the first communication unit A communication control device for establishing communication with the server using a target protocol. A communication control program of a communication control device for performing output control of a power conditioner,
In the communication control device,
Transmitting an own device identifier for identifying the own device to a management device that manages the communication control device, and acquiring supplier information indicating a power supplier related to a power plant in which the power conditioner is installed from the management device. Processing,
Based on the supplier information received from the management device, a process of specifying a target protocol that is a communication protocol corresponding to the server of the power supplier,
A process of establishing communication between the server and the communication using the target protocol;
A process for obtaining output control information used for output control of the power conditioner from the server,
A process of performing output control of the power conditioner based on the output control information received from the server;
A communication control program characterized by executing the following. It is a management apparatus which manages the communication control apparatus of Claim 3, Comprising:
The communication control device is configured to transmit an own device identifier for identifying the own device to the management device,
The management device,
A management-side communication unit configured to be able to communicate with the communication control device,
A management-side registration unit in which supplier information relating to a power plant in which a power conditioner connected to the communication control device is installed is registered,
When receiving the own device identifier from the communication control device, the communication control device includes a management-side control unit that transmits to the communication control device power supplier information related to the power plant where the communication control device is installed. Characteristic management device.

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