CN112054931A - Master station access method suitable for modeling distribution network terminal source end - Google Patents

Master station access method suitable for modeling distribution network terminal source end Download PDF

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Publication number
CN112054931A
CN112054931A CN202010938423.3A CN202010938423A CN112054931A CN 112054931 A CN112054931 A CN 112054931A CN 202010938423 A CN202010938423 A CN 202010938423A CN 112054931 A CN112054931 A CN 112054931A
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CN
China
Prior art keywords
power distribution
master station
terminal
distribution terminal
configuration
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Pending
Application number
CN202010938423.3A
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Chinese (zh)
Inventor
余加喜
姜文
吴清玉
宋丽珠
李聪
朱传谱
付艳兰
周文海
王祿海
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Hainan Power Grid Co Ltd
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Hainan Power Grid Co Ltd
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Publication date
Application filed by Hainan Power Grid Co Ltd filed Critical Hainan Power Grid Co Ltd
Priority to CN202010938423.3A priority Critical patent/CN112054931A/en
Publication of CN112054931A publication Critical patent/CN112054931A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention provides a method suitable for a source end of a distribution network terminal to model and access a master station, which comprises the following steps: s1, the power distribution terminal actively establishes TCP/IP connection with the power distribution main station to realize power-on registration of the power distribution terminal; s2, the power distribution master station issues a configuration file to the power distribution terminal through an IEC104 communication protocol, and the configuration terminal realizes a configuration process; and S3, after the configuration process is finished, the power distribution terminal and the power distribution master station enter a normal IEC104 communication flow.

Description

Master station access method suitable for modeling distribution network terminal source end
Technical Field
The invention relates to the technical field of communication connection of a digital power distribution system, in particular to a method suitable for modeling a source end of a distribution network terminal to access a master station.
Background
With the development of distribution network automation, distribution network services are actively expanded by all large power related units, distribution network automation engineering construction is developed in a plurality of cities at home and abroad at present, a large number of distribution network terminals are invested, the number of terminal devices is not ignored, convenience is brought to users, and certain problems are brought. The centralized operation and maintenance is adopted by a distribution network master station in a certain province in the research, about 2000 terminals which are planned to be input each year meet the debugging requirements of a large number of distribution network terminals accessing the master station of 18 power supply offices in the whole province, the terminals and the master station model are configured one by manpower, and the point table checking work is carried out, so that the manual debugging workload is very large, the efficiency of accessing the master station is influenced, and the accidental configuration error phenomenon is difficult to stop. At present, problems that interoperability between a master station and a terminal and interoperability between terminals are poor due to diversification of communication protocols, and workload of field installation debugging and later operation, management and maintenance of the terminals is large due to lack of automatic identification and a plug and play mechanism generally exist in a power distribution automation system.
Disclosure of Invention
The invention aims to provide a method suitable for modeling a source end of a distribution network terminal to access a master station, which ensures that the active registration and automatic identification between the terminal and the master station are achieved, realizes plug and play between the master station and the terminal, and solves the problems of large workload of field installation and debugging and later operation, management and maintenance of the terminal and the like which are urgently needed to be solved.
The invention is realized by the following technical scheme: a method suitable for modeling a source end of a distribution network terminal to access a master station comprises the following steps:
s1, the power distribution terminal actively establishes TCP/IP connection with the power distribution main station to realize power-on registration of the power distribution terminal;
s2, the power distribution master station issues a configuration file to the power distribution terminal through an IEC104 communication protocol, and the configuration terminal realizes a configuration process;
and S3, after the configuration process is finished, the power distribution terminal and the power distribution master station enter a normal IEC104 communication flow.
Preferably, the power-on registration process includes:
the power distribution terminal actively sends a registration information message to the power distribution master station;
after receiving the registration information message sent by the power distribution terminal, the power distribution master station sends a registration confirmation message;
and after the power distribution main station sends out the registration confirmation message, and the power distribution terminal receives the registration confirmation message sent by the power distribution main station, the power distribution terminal and the power distribution main station are mutually disconnected with each other to form TCP/IP connection.
Preferably, the power-on registration process further includes:
and when the power distribution terminal does not receive the registration confirmation message, the power distribution terminal sends the registration information message to the power distribution main station once every certain time until receiving the registration confirmation message of the power distribution main station.
Preferably, the configuration terminal implements a configuration process, including: and the power distribution master station executes a first configuration command or a second configuration command according to the registration information message.
Preferably, the power distribution master station queries a power distribution terminal-related communication address stored in the power distribution master station according to the registration information message, and if the power distribution master station does not have a related communication address related to a corresponding power distribution terminal, the power distribution master station executes a first configuration command.
Preferably, the power distribution master station queries the power distribution terminal related configuration information stored in the power distribution master station according to the registration information message, and if the power distribution master station does not have the related configuration information related to the corresponding power distribution terminal, the power distribution master station executes a first configuration command.
Preferably, the power distribution master station executes a first configuration command, including:
the power distribution master station requires the power distribution terminal to upload an ICD data model file through an IEC104 communication protocol;
the power distribution master station adjusts the point number of the acquired ICD data model file, updates contents such as communication addresses, configuration information and the like stored in the power distribution master station, generates a CID file and sends the CID file to the power distribution terminal;
and the power distribution terminal analyzes the CID model file after receiving the CID file and then enters a normal IEC104 communication flow.
Preferably, when the distribution master station generates the CID file and issues the CID file to the distribution terminal, the distribution master station automatically creates a three-remote database corresponding to the distribution terminal and establishes a communication channel with the three-remote database.
Preferably, if there is the relevant configuration information or the relevant communication address related to the corresponding power distribution terminal, the power distribution master station executes a second configuration command:
the power distribution master station does not require the power distribution terminal to upload an ICD data model file any more, and does not issue a CID file to the power distribution terminal;
and the power distribution main station and the power distribution terminal enter a normal IEC104 communication flow.
Compared with the prior art, the invention has the following beneficial effects:
according to the method for accessing the source end of the distribution network terminal to the master station through modeling, the time for generating the relevant information by the distribution master station is greatly shortened, the advantage is more obvious along with the increase of the data volume, the artificial errors caused by negligence and the like during the manual database building are avoided, the database can be automatically generated in a program by using a plug-and-play technology, and the efficiency and the accuracy of point alignment between the master station and the terminal are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a flowchart of a method for modeling a source end of a distribution network terminal to access a master station according to the present invention;
fig. 2 is a schematic diagram of power-up registration provided by the present invention.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1, a method suitable for a source end of a distribution network terminal to model and access a master station includes the following steps:
s1, the power distribution terminal actively establishes TCP/IP connection with the power distribution main station to realize power-on registration of the power distribution terminal;
s2, the power distribution master station issues a configuration file to the power distribution terminal through an IEC104 communication protocol, and the configuration terminal realizes a configuration process;
and S3, after the configuration process is finished, the power distribution terminal and the power distribution master station enter a normal IEC104 communication flow.
Referring to fig. 2, in some embodiments of the present invention, optionally, the power-up registration process includes:
after the power distribution terminal is powered on, the power distribution terminal actively establishes TCP/IP connection with the power distribution main station and sends a registration information message to the power distribution main station;
after receiving the registration information message sent by the power distribution terminal, the power distribution master station sends a registration confirmation message;
and after the power distribution main station sends out the registration confirmation message, and the power distribution terminal receives the registration confirmation message sent by the power distribution main station, the power distribution terminal and the power distribution main station are mutually disconnected with each other to form TCP/IP connection.
Optionally, the power-on registration process further includes:
and when the power distribution terminal does not receive the registration confirmation message, the power distribution terminal sends the registration information message to the power distribution main station once every certain time until receiving the registration confirmation message of the power distribution main station.
The configuration terminal realizes a configuration process, and comprises the following steps: and the power distribution master station executes a first configuration command or a second configuration command according to the registration information message.
Optionally, the power distribution master station queries a power distribution terminal-related communication address stored in the power distribution master station according to the registration information message, and if the power distribution master station does not have a power distribution terminal-related communication address, the power distribution master station executes a first configuration command.
As another embodiment of the present invention, optionally, the power distribution master station queries, according to the registration information message, configuration information related to the power distribution terminal stored in the power distribution master station, and if there is no configuration information related to the corresponding power distribution terminal, the power distribution master station executes the first configuration command.
The power distribution master station executes a first configuration command, including:
the power distribution master station requires the power distribution terminal to upload an ICD data model file through an IEC104 communication protocol, the ICD data model file should contain model self-description information, the ICD data model file should definitely contain information such as a manufacturer (manufacturer), a model (type), a configuration version (configVersion) and the like, and the ICD data model file should contain parameter-related data attributes such as configuration examples of units, stepSize, minVal, maxVal and the like;
the power distribution master station adjusts the point number of the acquired ICD data model file, updates contents such as communication addresses, configuration information and the like stored in the power distribution master station, generates a CID file and sends the CID file to the power distribution terminal;
and the power distribution terminal analyzes the CID model file after receiving the CID file and then enters a normal IEC104 communication flow.
As another embodiment of the present invention, optionally, when the distribution master station generates a CID file and issues the CID file to the distribution terminal, the distribution master station automatically creates a three-remote database corresponding to the distribution terminal, and establishes a communication channel with the three-remote database.
As another embodiment of the present invention, optionally, if there is related configuration information or related communication address related to the corresponding power distribution terminal, the power distribution master station executes a second configuration command:
the power distribution master station does not require the power distribution terminal to upload an ICD data model file any more, and does not issue a CID file to the power distribution terminal;
and the power distribution main station and the power distribution terminal enter a normal IEC104 communication flow.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A method suitable for modeling a source end of a distribution network terminal to access a master station is characterized by comprising the following steps:
s1, the power distribution terminal actively establishes TCP/IP connection with the power distribution main station to realize power-on registration of the power distribution terminal;
s2, the power distribution master station issues a configuration file to the power distribution terminal through an IEC104 communication protocol, and the configuration terminal realizes a configuration process;
and S3, after the configuration process is finished, the power distribution terminal and the power distribution master station enter a normal IEC104 communication flow.
2. The method of claim 1, wherein the power-on registration process comprises:
the power distribution terminal actively sends a registration information message to the power distribution master station;
after receiving the registration information message sent by the power distribution terminal, the power distribution master station sends a registration confirmation message;
and after the power distribution main station sends out the registration confirmation message, and the power distribution terminal receives the registration confirmation message sent by the power distribution main station, the power distribution terminal and the power distribution main station are mutually disconnected with each other to form TCP/IP connection.
3. The method of claim 2, wherein the power-on registration process further comprises:
and when the power distribution terminal does not receive the registration confirmation message, the power distribution terminal sends the registration information message to the power distribution main station once every certain time until receiving the registration confirmation message of the power distribution main station.
4. The method of claim 2, wherein the configuration terminal implements a configuration process, comprising: and the power distribution master station executes a first configuration command or a second configuration command according to the registration information message.
5. The method of claim 4, wherein the power distribution master station queries a communication address related to the power distribution terminal stored inside the power distribution master station according to the registration information packet, and if the communication address related to the corresponding power distribution terminal does not exist, the power distribution master station executes a first configuration command.
6. The method of claim 5, wherein the distribution master station queries the relevant configuration information of the distribution terminal stored inside the distribution master station according to the registration information packet, and if the relevant configuration information related to the corresponding distribution terminal does not exist, the distribution master station executes a first configuration command.
7. The method of claim 5, wherein the executing the first configuration command by the distribution network terminal source end modeling access master station comprises:
the power distribution master station requires the power distribution terminal to upload an ICD data model file through an IEC104 communication protocol;
the power distribution master station adjusts the point number of the acquired ICD data model file, updates contents such as communication addresses, configuration information and the like stored in the power distribution master station, generates a CID file and sends the CID file to the power distribution terminal;
and the power distribution terminal analyzes the CID model file after receiving the CID file and then enters a normal IEC104 communication flow.
8. The method of claim 7, wherein when the distribution master station generates a CID file and sends the CID file to the distribution terminal, the distribution master station automatically creates a three-remote database corresponding to the distribution terminal and establishes a communication channel with the three-remote database.
9. The method of claim 6, wherein if there is associated configuration information or an associated communication address associated with the corresponding distribution terminal, the distribution master executes a second configuration command:
the power distribution master station does not require the power distribution terminal to upload an ICD data model file any more, and does not issue a CID file to the power distribution terminal;
and the power distribution main station and the power distribution terminal enter a normal IEC104 communication flow.
CN202010938423.3A 2020-09-09 2020-09-09 Master station access method suitable for modeling distribution network terminal source end Pending CN112054931A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106487589A (en) * 2016-10-18 2017-03-08 中国电力科学研究院 A kind of terminal automatically accesses and configuring management method
CN109067560A (en) * 2018-06-13 2018-12-21 国网冀北电力有限公司 Self-described terminal plug and play method based on open communication
CN109301933A (en) * 2018-09-11 2019-02-01 国网天津市电力公司电力科学研究院 One kind being based on low-voltage intelligent platform area secondary function method of integrated modeling
CN110198222A (en) * 2018-02-27 2019-09-03 中国电力科学研究院有限公司 A kind of distribution power automation terminal plug and play test method and test main website
CN110890786A (en) * 2018-09-11 2020-03-17 南京南瑞继保电气有限公司 Plug-and-play access method of power distribution terminal based on registration service
CN111525698A (en) * 2020-05-20 2020-08-11 国电南瑞科技股份有限公司 Automatic data access method, device and system for low-voltage distribution network

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106487589A (en) * 2016-10-18 2017-03-08 中国电力科学研究院 A kind of terminal automatically accesses and configuring management method
CN110198222A (en) * 2018-02-27 2019-09-03 中国电力科学研究院有限公司 A kind of distribution power automation terminal plug and play test method and test main website
CN109067560A (en) * 2018-06-13 2018-12-21 国网冀北电力有限公司 Self-described terminal plug and play method based on open communication
CN109301933A (en) * 2018-09-11 2019-02-01 国网天津市电力公司电力科学研究院 One kind being based on low-voltage intelligent platform area secondary function method of integrated modeling
CN110890786A (en) * 2018-09-11 2020-03-17 南京南瑞继保电气有限公司 Plug-and-play access method of power distribution terminal based on registration service
CN111525698A (en) * 2020-05-20 2020-08-11 国电南瑞科技股份有限公司 Automatic data access method, device and system for low-voltage distribution network

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