KR20190105169A - Monitoring information providing method of distributed resources - Google Patents

Abstract

The present invention relates to a monitoring information providing method of distributed resources. According to the present invention, the monitoring information providing method collects, manages, and provides raw data of distributed resources to be managed so that a house, a building, or a microgrid with distributed resources based on Internet of things (IoT) receives a distributed resource management service from an external third-party device.

Description

MONITORING INFORMATION PROVIDING METHOD OF DISTRIBUTED RESOURCES}

The following description relates to a method for providing monitoring information of a distributed resource, and more particularly, to a method for providing monitoring information for collecting, managing, and providing raw data of a distributed resource managed to receive a distributed resource management service.

Currently, the paradigm is shifting to small-scale power generation using distributed resources (DR) by transferring large-scale power plants that were promoted during the industrialization era and transmitting the power generated through high-voltage grids.

Such distributed resources include renewable energy, energy storage, and the like, and facility management and maintenance services of distributed resources are provided directly by the contractor equipped with the distributed resources or through a system provided by the contractor. It is universal.

However, small construction companies have a problem in that continuous service provision and service quality on distributed resources are difficult to guarantee. In addition, as the spread of new and renewable energy facilities has been recently expanded, specialized companies that provide various third party distributed resource management services that are independent of facility construction have emerged. Here, the third party distributed resource management services include companies such as energy management services, photovoltaic power generation forecasting services, maintenance services, and the like.

Such third-party distributed resource management service analyzes the monitoring information collected from the distributed resources, and provides professional services such as power generation statistics analysis, weather information based photovoltaic power generation forecast, monitoring history information comparison analysis based failure diagnosis and maintenance. To this end, it is essential to periodically collect monitoring information of distributed resources.

Therefore, facility owners who own distributed resources need an easy way to select, replace, or add specialists that provide third-party distributed resource management services, and provide monitoring information, and provide third-party distributed resource management services. Specialized companies need a way to add distributed resources included in management through simple configuration and collect monitoring information accordingly.

According to the present invention, a topic message is generated based on raw data of distributed resources, and a topic message generated according to a request of a facility holder is transferred to a third part server as monitoring information, thereby changing or adding a third part server related to monitoring information. You can provide a way to provide monitoring information that makes your work easier.

The present invention provides a monitoring information providing method for adding a distributed resource to the monitoring information providing apparatus as a management target of the equipment holder through communication setting information, and more easily collect the monitoring information of the added distributed resources through the monitoring information providing apparatus. can do.

In one embodiment, a method for providing monitoring information of a distributed resource performed by a monitoring information providing apparatus includes: reading raw data including a state of a distributed resource connected to the monitoring information providing apparatus; Setting a mapping relationship for attributes of each address of the read row data; Generating monitoring configuration information for managing the broker for brokering the distributed resources and the collection of the raw data; Generating a topic message using the row data, mapping relations for the attributes of each address of the row data, and monitoring configuration information; And providing the topic message to the broker as monitoring information.

Monitoring configuration information according to an embodiment, 1) broker configuration information about the IP address and port information of the broker brokering the topic message based on the messaging pattern method, 2) a time period for delivering the topic message to the broker And 3) identifier setting information about a service subscription identifier used for the topic of the monitoring information.

In the reading of the raw data according to an embodiment, the raw data of the distributed resource may be periodically read at predetermined intervals through the time period setting information.

The broker according to an embodiment may deliver a topic message of the monitoring information corresponding to the topic to the holder using a topic of a distributed resource preset by the holder.

According to an embodiment of the present invention, the method for providing monitoring information may transmit monitoring information to a topic message to an external third part server using an IoT protocol based on a publish-subscribe messaging architecture.

According to an embodiment of the present invention, the method for providing monitoring information uses the communication setting information including broker setting information, issuance cycle information, service subscription identifier, and the like, thereby adding or changing a connection with a third-part server. It can be done easily.

According to one embodiment of the present invention, the method for providing monitoring information enables a third part server to establish communication with the monitoring information providing apparatus using communication setting information, thereby setting up a subscription of a topic message for distributed resources and periodically distributing distributed resources. Topic messages containing each property of can be collected as monitoring information.

1 is a view for explaining an overall system for providing monitoring information of distributed resources according to an embodiment of the present invention.
2 is a block diagram illustrating a detailed configuration of an apparatus for providing monitoring information according to an embodiment of the present invention.
3 is a flowchart illustrating a process of setting configuration information about row data and mapping relationships according to an embodiment of the present invention.
4 is a flowchart for describing a process of setting communication setting information including broker setting information, occurrence period information, and a service subscription identifier according to an embodiment of the present invention.
5 illustrates an example of generating mapping information and a topic message according to an embodiment of the present invention.
6 is a flowchart illustrating a method for providing monitoring information of distributed resources according to an embodiment of the present invention.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. However, various changes may be made to the embodiments so that the scope of the patent application is not limited or limited by these embodiments. It is to be understood that all changes, equivalents, and substitutes for the embodiments are included in the scope of rights.

The terminology used herein is for the purpose of description and should not be construed as limiting. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

In addition, in the description with reference to the accompanying drawings, the same components regardless of reference numerals will be given the same reference numerals and duplicate description thereof will be omitted. In the following description of the embodiment, when it is determined that the detailed description of the related known technology may unnecessarily obscure the gist of the embodiment, the detailed description thereof will be omitted.

1 is a view for explaining an overall system for providing monitoring information of distributed resources according to an embodiment of the present invention.

Referring to FIG. 1, the present invention may propose a method for more efficiently providing distributed resource monitoring information to a third party server providing a distributed resource management service.

The monitoring information providing apparatus 101 may be connected to the distributed resource 102 to read raw data of the distributed resource 102. In other words, the monitoring information providing apparatus 101 may be connected one-to-one with each of the distributed resources 102 to read raw data for the distributed resources 102 connected one-to-one. For example, the monitoring information providing apparatus 101 may be a distributed resource 102 and may be connected to a solar generator, a wind generator, an energy storage device, and the like to read raw data.

Here, the distributed resources 102 may be generally monitored through an inverter or a power conversion system (PCS). That is, the distributed resource 102 includes an inverter or a PCS, and the monitoring information providing device 101 uses the RS485-type physical data communication connection unit and a communication protocol such as Modbus to provide the state of the distributed resource 102 and the like. Read measurement-related raw data.

In this case, the monitoring information providing apparatus 101 may read the raw data of the distributed resource 102 using the monitoring information providing apparatus setting tool installed in the user terminal possessed by the facility owner. Here, the monitoring information providing device setting tool is connected to the broker to connect the monitoring information collecting device 101 to mediate the collection and publication cycles, topic messages of the monitoring information providing device 101 through a LAN-type communication connection Attribute matching information for each raw data address collected from IP and port, inverter, or PCS can be set.

The monitoring information providing apparatus 101 is connected to the distributed resource 102 by a communication method provided by the inverter or the PCS and periodically reads raw data provided by the inverter or the PCS at a set period and publish / subscribe such as the MQTT protocol ( Publish-Subscribe) A topic message including read row data in a messaging pattern method may be generated. In addition, the monitoring information providing apparatus 101 may transmit a topic message as monitoring information to a third party server that provides distributed resource management service. Here, the third party server may be a server that provides an energy management service 104, a generation amount prediction service 105, and a maintenance service 106.

2 is a block diagram illustrating a detailed configuration of an apparatus for providing monitoring information according to an embodiment of the present invention.

Referring to FIG. 2, the monitoring information providing apparatus 201 includes a row data lead unit 202, a mapping relationship setting unit 203, an information generator 204, a topic message generator 205, and a monitoring information provider 206. ) May be included.

The row data read unit 202 may collect row data including a state of distributed resources connected to the monitoring information providing apparatus. In detail, the row data lead unit 202 may perform a function of reading row data related to the state and energy measurement of distributed resources through an RS485 communication connection with the inverter and the PCS. The row data read unit 202 may collect row data at predetermined intervals using publication period information regarding an occurrence time of delivering the topic message to the broker.

The mapping relationship setting unit 203 may set a mapping relationship for properties of each address of the row data based on the row data collected at predetermined periods. In other words, the mapping relation setting unit 203 may set the mapping relation regarding the attributes for each address in consideration of the case where the inverter and the PCS provide the Modbus communication scheme. The mapping relationship will be described in detail with reference to FIG. 5.

The information generator 204 may set communication setting information for managing the broker and the raw data for mediating distributed resources. In detail, the communication setting information includes: 1) broker setting information about brokering setting information and port information of a broker that mediates a topic message based on a messaging pattern method; 2) publication cycle information about an occurrence time of delivering a topic message to the broker; and 3 ) May include identifier setting information about a service subscription identifier used for a topic of monitoring information.

1) The broker setting information of the broker may be identification information of the broker for performing a connection information setting function for connecting the broker in the monitoring information broker 210 of the third part server 207. That is, the mediation setting information may be information for setting an IP address and a port of a broker for mediating a topic message of a publish / subscribe messaging pattern method generated by the monitoring information providing apparatus.

2) The broker setting information may be information for setting a time period for issuing monitoring information. That is, the broker setting information may be information for setting a time period issued to the broker according to the mediation setting information for reading the raw data of the inverter and the PCS and generating a topic message.

3) The identifier setting information may be information for setting a service subscription identifier. That is, the identifier setting information may set a service subscription identifier used for a topic of monitoring information to be issued. Here, the service subscription identifier is a unique identifier assigned to the service subscriber in the sub-party service when the facility holder who owns the distributed resource subscribes to the third party server to receive the distributed resource management service. In addition, the service subscription identifier may be used as a top level topic of a topic having a hierarchical structure when the monitoring information providing apparatus 201 issues monitoring information as a topic message. When the facility holder subscribes to the distributed resource management service, the third party server 207 may apply to subscribe to all messages having the service subscription identifier issued to the facility holder as the top level topic.

The topic message generator 205 may generate a topic message using the raw data, the mapping relation for the attributes of each address of the raw data, and the communication setting information. In detail, the topic message generator 205 may generate a topic message of a publish / subscribe messaging pattern method using row data, mapping relations of attributes for each address of the row data, and a service subscription identifier.

The monitoring information providing apparatus 201 may interwork with the third party server 207 to collect and manage monitoring information of distributed resources. The third party server 207 may issue a service subscription identifier for the distributed resource management service based on the topic setting information transmitted to collect monitoring information of the distributed resource, and apply for a topic subscription.

To this end, the third party server 207 may include a service subscription identifier issuer 208, a monitoring information subscriber 209, and a monitoring information broker 210.

The service subscription identifier issuing unit 208 may perform a function of generating and issuing a unique identifier for each service subscriber or for each service target unit. In addition, when a unique identifier is issued and a service subscription is completed, a subscription for all topic messages having a service subscription identifier distinguished by a unique identifier for which a service subscription is completed as a top level topic is delivered to the broker by passing the subscription to the monitoring information broker 210. You can perform the function to apply.

The monitoring information subscription unit 209 may perform a function of processing periodic reception of a topic message subscribed to by the service subscription identifier issuing unit 208. That is, the present invention includes a broker for mediating topic messages in a publish-subscribe messaging pattern method, and applies a subscription to a topic published by a distributed resource managed by the broker, thereby providing a topic message about a distributed resource that has been applied. Can be received periodically.

The monitoring information broker 210 performs the same function as a broker used in an IoT-based protocol such as Message QueuingTelemetry Transport (MQTT). Let's run a broker

3 is a flowchart illustrating a process of setting configuration information about row data and mapping relationships according to an embodiment of the present invention.

Referring to FIG. 3, the present invention may set configuration information on row data and mapping relationships.

In operation 303, the user terminal 302 may receive communication setting information according to a topic subscription. In other words, the user terminal 302 may receive the broker setting information, the occurrence period information, and the service subscription identifier from the facility holder as the communication setting information.

In operation 304, the user terminal 302 may transfer the communication setting information received from the facility holder to the monitoring information providing apparatus 301.

In operation 305, the monitoring information providing apparatus 301 may collect raw data of distributed resources based on the communication setting information. In addition, the monitoring information providing apparatus 301 may set a mapping relationship for the attributes for each address of the collected raw data.

In operation 306, the monitoring information providing apparatus 301 may transmit a result regarding the mapping relation to the attributes for each address of the row data to the user terminal 302. Here, the result of the mapping relationship may be a result expressed as a relationship between the configuration of the energy type, attributes, units, etc. of distributed resources based on the collected raw data.

4 is a flowchart for describing a process of setting communication setting information including broker setting information, occurrence period information, and a service subscription identifier according to an embodiment of the present invention.

Referring to FIG. 4, the present invention may perform a process of subscribing to a topic starting with a service subscription identifier using communication configuration information in order to receive monitoring information of distributed resources for distributed resource management services. To this end, the present invention can be carried out through the following series of processes.

In operation 404, the user terminal 402 may transmit a service subscription, broker setting information, and a service subscription identifier to the third part server 403 that provides an external distributed resource management service. In detail, the user terminal 402 may be in a state in which the monitoring information providing device setting tool is installed, and the monitoring information providing device setting tool is implemented in the form of software (Soft Ware), so that the PC or mobile device of the facility holder possessing distributed resources may be installed. It may be an application program mounted on the device.

The user terminal 402 may receive topic setting information for collecting distributed resources and subscribing to a topic from a facility holder. In addition, the user terminal 402 may transfer topic setting information for using the distributed resource management service from the facility holder to the third party server 403 through the monitoring information providing device setting tool. Meanwhile, the user terminal 402 is information transmitted to the third party server 403 through the monitoring information providing device setting tool, and may check service subscription, broker setting information, service subscription identifier, and the like.

In operation 405, the third party server 403 may receive topic setting information transmitted from the user terminal 402. The third party server 403 may issue a service subscription identifier for distributed resource management service based on the service subscription, broker configuration information, and service subscription identifier included in the topic configuration information, and apply for a topic subscription.

In operation 406, the third party server 403 may transmit a setting request for a topic subscription starting with the issued service subscription identifier to the monitoring information providing device 401 in consideration of the issue and subscription application. The monitoring information providing apparatus 401 may set a topic subscription for the corresponding service subscription identifier in response to the setting request for the topic subscription transmitted from the third party server 403.

In operation 407, the user terminal 402 may set communication setting information according to a topic subscription set through the monitoring information providing apparatus 401. In other words, the user terminal 402 may transmit the broker setting information, the generation period information, and the service subscription identifier as the communication setting information to the monitoring information providing device 401.

The monitoring information providing apparatus 401 may set a collection method for distributed resources for which a topic subscription is set using communication setting information. That is, the monitoring information providing device 401 identifies and topics broker occurrence information, which collects raw data of distributed resources, and monitoring information based on the raw data, using broker setting information, occurrence period information, and a service subscription identifier. It is possible to set a service subscription identifier for.

In operation 408, the monitoring information providing apparatus 401 may transmit a result set through the communication setting information to the user terminal 402.

5 illustrates an example of generating mapping information and a topic message according to an embodiment of the present invention.

Referring to FIG. 5, the monitoring information providing apparatus may set a mapping relationship for attributes of each address of raw data collected from distributed resources. In detail, the monitoring information providing apparatus may collect raw data including a state of distributed resources. The monitoring information providing apparatus may set a mapping relationship for the collected raw data based on the communication IP from which the raw data is collected.

For example, assuming that the monitoring information providing device is connected to the photovoltaic generator as a distributed resource, the monitoring information providing apparatus may monitor the state of the photovoltaic generator through a communication IP corresponding to the photovoltaic generator from the inverter or the PCS of the photovoltaic generator. The raw data may be collected. In addition, the monitoring information providing apparatus may set a mapping relationship composed of energy, shape, unit, and the like of distributed resources based on the collected raw data.

In addition, the monitoring information providing apparatus may generate a topic message by using the raw data, the mapping relationship of the attributes for each address of the raw data, and the communication setting information. In other words, the monitoring information providing apparatus may generate a topic message about the distributed resource to be managed in order to receive the distributed resource management service from an external third party device. In this case, the monitoring information providing apparatus may generate a topic message about distributed resources based on the publish-subscribe messaging pattern method.

The monitoring information providing apparatus may generate a topic message to be managed through a service subscription identifier, a raw data of a distributed resource, and a mapping relationship in which a facility owner owning a distributed resource receives a distributed resource management service. .

Here, the topic message may be divided into a topic and data. In this case, the topic may indicate a service subscription identifier subscribed to receive the distributed resource management service, and the message may indicate data of a combination of mapping information and row data. In detail, the topic is the service subscription identifier as the top level topic, and the following types of distributed resources (PV: solar generator, ESS: energy storage device, WT: wind generator) are the second level topics, and there are several distributed resources of the same kind. In this case, the distributed resource ID information considering the case is configured as a third level topic, and the subtopic structure except for the top topic may be variously applied according to the implementation method.

In addition, in the above example, the data portion transmitted as a message together with the topic may represent a case expressed in JSON (JavaScript Object Notation) format using address attribute mapping information and read raw data.

6 is a flowchart illustrating a method for providing monitoring information of distributed resources according to an embodiment of the present invention.

In operation 601, the monitoring information providing apparatus may read raw data including a state of distributed resources connected to the monitoring information providing apparatus. The monitoring information providing apparatus may periodically read raw data of distributed resources at predetermined intervals through the issue period information. Here, the publication cycle information may be information included in the communication configuration information and may be information for collecting monitoring information for providing distributed resource management service through a third part server.

In addition, the monitoring information providing apparatus may periodically read the raw data of the distributed resource for each preset period based on the issue period information.

In operation 602, the apparatus for providing monitoring information may set a mapping relationship for attributes of addresses of read row data. For example, the monitoring information providing apparatus reads raw data from an inverter or PCS of a distributed resource using a Modbus communication method, and sets a mapping relationship for attributes of each address of the read raw data.

In operation 603, the apparatus for providing monitoring information may set communication setting information for managing the broker and the raw data for mediating distributed resources. The communication setting information includes 1) broker setting information and broker setting information of broker brokering topic message based on messaging pattern method, 2) publication cycle information about occurrence time of delivering topic message to broker, and 3) monitoring. It may include identifier setting information regarding a service subscription identifier used for a topic of information.

In operation 604, the apparatus for providing monitoring information may generate a topic message using raw data, mapping relationships for attributes of each address of the raw data, and communication configuration information. Here, the monitoring information providing apparatus may configure a topic message of a publish-subscribe messaging pattern method, and the topic message may be divided into a topic and data.

In operation 605, the apparatus for providing monitoring information may provide a topic message to the broker as monitoring information. The broker may transmit a topic message corresponding to the monitoring information corresponding to the topic to the third part server using a topic of distributed resources preset by the facility holder.

The method according to the embodiment may be embodied in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the media may be those specially designed and constructed for the purposes of the embodiments, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

The software may include a computer program, code, instructions, or a combination of one or more of the above, and configure the processing device to operate as desired, or process it independently or collectively. You can command the device. Software and / or data may be any type of machine, component, physical device, virtual equipment, computer storage medium or device in order to be interpreted by or to provide instructions or data to the processing device. Or may be permanently or temporarily embodied in a signal wave to be transmitted. The software may be distributed over networked computer systems so that they may be stored or executed in a distributed manner. Software and data may be stored on one or more computer readable recording media.

Although the embodiments have been described with reference to the accompanying drawings, those skilled in the art may apply various technical modifications and variations based on the above. For example, the described techniques may be performed in a different order than the described method, and / or components of the described systems, structures, devices, circuits, etc. may be combined or combined in a different form than the described method, or other components. Or even if replaced or substituted by equivalents, an appropriate result can be achieved.

Therefore, other implementations, other embodiments, and equivalents to the claims are within the scope of the following claims.

Claims (1)

In the monitoring information providing method of the distributed resource performed by the monitoring information providing apparatus,
Reading raw data including a state of distributed resources connected to the monitoring information providing apparatus;
Setting a mapping relationship for attributes of each address of the read row data;
Setting communication setting information for managing the broker and the row data for mediating the distributed resources;
Generating a topic message using the row data, mapping relations for the attributes of each address of the row data, and communication configuration information; And
Providing the topic message to the broker as monitoring information
Monitoring information providing method of a distributed resource comprising a.

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