CN113079049B - Automatic network message aggregation analysis method, equipment and medium for intelligent substation - Google Patents
Automatic network message aggregation analysis method, equipment and medium for intelligent substation Download PDFInfo
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- CN113079049B CN113079049B CN202110351107.0A CN202110351107A CN113079049B CN 113079049 B CN113079049 B CN 113079049B CN 202110351107 A CN202110351107 A CN 202110351107A CN 113079049 B CN113079049 B CN 113079049B
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- H04L69/22—Parsing or analysis of headers
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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Abstract
The invention discloses an automatic aggregation analysis method for network messages of an intelligent substation, which is used for solving the problem of difficult analysis of the existing messages and comprises the following steps: acquiring and analyzing a transformer substation description file to obtain transformer substation configuration information or acquiring port configuration information of each message capturing device; constructing a tree graph by taking the configuration information as a root node; acquiring a network message, and marking the network message according to a preset characteristic mark; and generating child nodes and leaf nodes of the tree graph according to the marks to obtain a collection result of the network message. The invention also discloses an intelligent substation network message automatic collection analysis electronic device and a computer storage medium. The invention constructs the dendrogram according to the mark, further finishes the collection of the network messages, realizes the automatic analysis of the disordered messages, improves the message problem analysis efficiency, accelerates the field defect elimination progress, eliminates the hidden danger as soon as possible, and ensures the safe and stable operation of the power grid.
Description
Technical Field
The invention relates to the technical field of intelligent substation communication, in particular to an automatic network message aggregation analysis method, equipment and medium for an intelligent substation.
Background
In the intelligent substation, information transmission between devices in a process layer and a spacer layer exchanges sampling data, switch states and control commands by SV and GOOSE messages; the bay level device transmits information such as remote measurement values and remote signaling states to a substation monitoring system and the like through MMS or GSP messages, and receives control instructions transmitted by the monitoring system or a gateway machine; the realization of time synchronization, data synchronization, network management and other functions of the station control layer device needs to use messages such as PTP, ARP, ICMP, SSH and the like as carriers.
The messages are staggered in the transformer substation network, wherein the total SV message flow sent by each MU device accounts for more than 92% of the total transformer substation message flow, and a file of about 200MB can be generated every 10s of SV messages, so that the efficiency of time sequence and function analysis is extremely low when other types of messages are searched in an SV message sea.
In addition, various types of messages may affect each other in the application of the substation, for example, an MMS or GSP control command issued by a station control layer may affect a GOOSE message sent by a protection device, a GOOSE message of an intelligent terminal, an SV message of an MU, and the like, and when the messages are specifically analyzed, the interference of other messages needs to be accurately eliminated, so that factors such as a control logic, an operation flow, a time sequence relationship, an action interval, a control result, and the like, which are designed in advance by a controller, can be quickly and efficiently evaluated.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the objectives of the present invention is to provide an automatic network message aggregation analysis method for an intelligent substation, which aggregates network messages by establishing a tree diagram.
One of the purposes of the invention is realized by adopting the following technical scheme:
an automatic aggregation analysis method for network messages of an intelligent substation comprises the following steps:
acquiring and analyzing a transformer substation description file to obtain configuration information of each current communication subnet of the transformer substation; or acquiring port configuration information of each message capturing device;
constructing a tree graph by taking the configuration information as a root node;
acquiring an offline network message, and marking the offline network message according to a preset characteristic mark;
and generating child nodes and leaf nodes of the tree graph according to the marks, and gradually collecting the hash messages to obtain a collection result of the network messages.
Further, the method for obtaining and analyzing the substation description file to obtain the configuration information of each current communication subnet of the substation comprises the following steps:
the method comprises the steps of obtaining modeling configuration information of a relay protection device, a measurement and control device, a merging unit and an intelligent terminal, defining related equipment belonging to the same subnet as a group of object sets, and receiving a change instruction issued by a human-computer configuration interface.
Further, the modeling configuration information includes: name, description, type and quantity of message to be sent and received, data set configuration and virtual terminal connection relation.
Further, the preset feature flag includes: message flags and message increment flags.
Further, the message mark is established according to the type of the Ethernet, and comprises an SV message, a GOOSE message, an IP message, an APR, a PTP, a GMRP and other messages; the message increment mark is established according to the message type, wherein the message increment mark of the SV/GOOSE message comprises a destination MAC address, a source MAC address and an application identifier (APPID); the message increment mark of the IP message comprises TCP, UDP and other IP messages; the message increment mark of the TCP message comprises MMS, GSP, FTP, SSH and Telnet; the message increment mark of the UDP message comprises NTP and other UDP messages.
Further, according to the mark, generating child nodes and leaf nodes of the tree graph, including:
according to the marks, the off-line files in the form of time series or even unordered hashes are combined through longitudinal growth and transverse expansion to construct tree graph child nodes and leaf nodes from the root nodes.
Further, according to the preset feature flag, generating child nodes and leaf nodes of the tree graph, and after obtaining the aggregation result of the network packet, the method further includes the following steps: receiving an analysis instruction;
and re-aggregating the collected network messages according to the analysis instruction.
Further, re-aggregating the collected network packets according to the analysis instruction includes the following steps: and extracting a plurality of objects from the sub nodes and the leaf nodes of the tree graph, and aggregating to form an analysis file.
The second object of the present invention is to provide an electronic device for performing the first object of the present invention, which includes a processor, a storage medium, and a computer program, where the computer program is stored in the storage medium, and when the computer program is executed by the processor, the method for automatically aggregating and analyzing network messages of an intelligent substation is implemented.
It is a further object of the present invention to provide a computer readable storage medium storing one of the objects of the present invention, wherein the computer readable storage medium has a computer program stored thereon, and the computer program, when executed by a processor, implements the above-mentioned method for analyzing network messages of an intelligent substation by automatic aggregation.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through constructing the dendrogram, the automatic analysis of disordered messages is realized, the automatic collection of network messages of the intelligent substation is realized according to the preset characteristic mark information, the structured processing of hash messages is completed, and an organization structure of point, line, plane and network is formed, so that the message problem analysis efficiency is improved, the field defect elimination progress is accelerated, the hidden danger is eliminated as early as possible, and the safe and stable operation of a power grid is ensured.
Drawings
Fig. 1 is a flowchart of an automatic collection and analysis method for network messages of an intelligent substation according to an embodiment of the present invention;
fig. 2 is a block diagram of an electronic device according to a second embodiment of the present invention.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. Various embodiments may be combined with each other to form other embodiments not shown in the following description.
Example one
The embodiment provides an automatic collection and analysis method for network messages of an intelligent substation, and aims to build a dendrogram for the network messages through feature marks so as to complete collection of hashed network messages.
Referring to fig. 1, an automatic aggregation analysis method for network messages of an intelligent substation includes the following steps:
s110, obtaining and analyzing a transformer substation description file to obtain transformer substation configuration information; or acquiring port configuration information of the message capturing equipment;
s110 specifically comprises: the method comprises the steps of obtaining modeling configuration information of a relay protection device, a measurement and control device, a merging unit and an intelligent terminal, defining related equipment belonging to the same subnet as a group of object sets, and receiving a change instruction sent by a human-computer configuration interface. Acquiring port configuration information of message capturing equipment: and deploying configuration information such as slot positions, sequence numbers, rates, interface types, belonged logic subnets and the like.
The modeling configuration information in this embodiment includes: name, description, type and quantity of message receiving and sending, data set configuration and virtual terminal connection relation; of course, the acquired content of the modeling configuration information can be changed according to different intelligent terminals. The definition of object set for related devices in the same subnet can facilitate the subsequent analysis and reference for information in a certain subnet. The human-machine configuration interface is reserved so as to facilitate manual intervention according to the actual operation condition of the substation, such as addition, deletion or modification of the acquired substation configuration information. Of course, the configuration information in S110 may also be obtained through IED device configuration information by loading a distribution substation configuration file.
S120, constructing a tree graph by taking the configuration information as a root node;
in S120, the root node, that is, the modeling configuration information of the relay protection device, the measurement and control device, the merging unit, and the intelligent terminal, for example, uses a subnet and related devices of the subnet as a root node, and may also use a receiving port of a certain packet as a root node, and the receiving port information may identify the receiving port through information such as the type of the received and sent packet, the virtual terminal connection relationship, and the like in the configuration information; of course, the obtained other configuration information may also be used as the root node, and is not limited to the root nodes of the two manners.
S130, acquiring a network message, and marking the network message according to a preset characteristic mark;
the network message in S130 may be obtained through packet capturing software, or may be obtained through an offline message loaded into a substation device storage or a message acquisition device storage.
The preset feature flag in S130 may be set according to an actual analysis requirement, where the message flag in this embodiment includes a message flag and a message increment flag, the message increment flag is a further flag of the message flag, the message information corresponding to the message flag in the dendrogram may be a child node, and the message information corresponding to the message increment flag may be a leaf node on the child node, where the message flag is established according to an ethernet type, and includes an SV message, a GOOSE message, an IP message, an APR, a PTP, a GMRP, and other messages.
The message increment mark is established according to the message type, wherein the message increment mark of the SV/GOOSE message comprises a destination MAC address, a source MAC address and an application identifier (APPID).
The message increment flag of the IP message comprises TCP, UDP and other IP messages.
The message increment mark of the TCP message comprises MMS, GSP, FTP, SSH and Telnet.
The message increment mark of the UDP message comprises NTP and other UDP messages.
Of course, according to actual requirements, the specific feature flag is not limited to the above-mentioned message flag and message increment flag.
The network packets acquired in S130 are usually offline packets stored in a time series or even in a disordered hash form, so in this embodiment, when a dendrogram is constructed, according to a preset feature flag, by a combination of longitudinal growth and transverse expansion, a dendrogram child node and a leaf node are constructed from the root node, so as to clarify the packets.
S140, generating child nodes and leaf nodes of the tree graph according to the preset feature marks to obtain a collection result of the network message.
S140, the tree graph, namely the collection result, can realize independent reference and analysis of each node data through the tree graph; when the tree-like graph is constructed, each child node and each leaf node can be generated by a merging algorithm from the root node.
In order to meet the professional requirements, the aggregation result may be analyzed again, specifically, the sub-nodes and the leaf nodes of the dendrogram are generated according to the preset feature flag, and after the aggregation result of the network packet is obtained, the method further includes the following steps:
receiving an analysis instruction;
and re-aggregating the collected network messages according to the analysis instruction.
Wherein, re-aggregating the collected network packets according to the analysis instruction includes:
and extracting a plurality of objects from the sub nodes and the leaf nodes of the tree graph, and aggregating to form an analysis file.
The specific algorithm of the aggregation may be selected according to the actual data size, and the like, and this embodiment is not particularly limited.
Example two
Fig. 2 is a schematic structural diagram of an electronic device according to a second embodiment of the present invention, as shown in fig. 2, the electronic device includes a processor 210, a memory 220, an input device 230, and an output device 240; the number of processors 210 in the computer device may be one or more, and one processor 210 is taken as an example in fig. 2; the processor 210, the memory 220, the input device 230, and the output device 240 in the electronic apparatus may be connected by a bus or other means, and the bus connection is taken as an example in fig. 2.
The memory 220 is a computer-readable storage medium, and can be used to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the method for automatically aggregating and analyzing network messages of an intelligent substation in the embodiment of the present invention. The processor 210 executes various functional applications and data processing of the electronic device by running the software program, instructions and modules stored in the memory 220, that is, the method for automatically aggregating and analyzing network messages of the intelligent substation according to the first embodiment is implemented.
The memory 220 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 220 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 220 may further include memory located remotely from the processor 210, which may be connected to the electronic device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 230 may be used to receive input user identity information, substation description files, and the like. The output device 240 may include a display device such as a display screen.
EXAMPLE III
The third embodiment of the present invention further provides a storage medium containing computer executable instructions, where the storage medium can be used for a computer to execute an intelligent substation network message automatic aggregation analysis method, and the method includes:
acquiring and analyzing a transformer substation description file to obtain transformer substation configuration information; or acquiring the port configuration information of the message capturing device.
Constructing a tree graph by taking the configuration information as a root node;
acquiring a network message, and marking the network message according to a preset characteristic mark;
and generating child nodes and leaf nodes of the tree graph according to the preset feature marks to obtain a collection result of the network message.
The storage medium containing the computer executable instructions provided by the embodiment of the invention can execute the relevant operations in the automatic collection and analysis method of the network messages of the intelligent substation provided by the embodiment of the invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling an electronic device (which may be a mobile phone, a personal computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (9)
1. The automatic network message aggregation analysis method for the intelligent substation is characterized by comprising the following steps of:
acquiring and analyzing a transformer substation description file to obtain configuration information of each current communication subnet of the transformer substation; or acquiring port configuration information of each message capturing device; the method comprises the following steps: acquiring modeling configuration information of a relay protection device, a measurement and control device, a merging unit and an intelligent terminal, defining related equipment belonging to the same subnet as a group of object sets, and receiving a change instruction sent by a human-computer configuration interface;
constructing a tree graph by taking the configuration information as a root node;
acquiring an offline network message, and marking the offline network message according to a preset characteristic mark;
and generating child nodes and leaf nodes of the tree graph according to the marks, and gradually collecting the hash messages to obtain a collection result of the network messages.
2. The intelligent substation network message automatic aggregation analysis method of claim 1, wherein the modeling configuration information comprises: name, description, type and quantity of message to be sent and received, data set configuration and virtual terminal connection relation.
3. The method for automatically aggregating and analyzing network messages of an intelligent substation according to claim 1, wherein the preset feature flags comprise: message flags and message increment flags.
4. The automatic message clustering analysis method for the intelligent substation network according to claim 3, wherein the message flags are established according to the type of Ethernet, and comprise SV messages, GOOSE messages, IP messages, APR, PTP and GMRP; the message increment mark is established according to the message type, wherein the message increment mark of the SV/GOOSE message comprises a destination MAC address, a source MAC address and an application identifier; the message increment mark of the IP message comprises TCP, UDP and other IP messages; the message increment mark of the TCP message comprises MMS, GSP, FTP, SSH and Telnet; the message increment mark of the UDP message comprises NTP and other UDP messages.
5. The method for automatically aggregating and analyzing network messages of an intelligent substation according to claim 1, wherein the step of generating child nodes and leaf nodes of the dendrogram according to the marks comprises the steps of:
according to the marks, the off-line files in the form of time series or even unordered hashes are combined through longitudinal growth and transverse expansion to construct tree graph child nodes and leaf nodes from the root nodes.
6. The method for automatically collecting and analyzing network messages of an intelligent substation according to claim 1, wherein child nodes and leaf nodes of the dendrogram are generated according to the preset feature marks, and after a collection result of the network messages is obtained, the method further comprises the following steps:
receiving an analysis instruction;
and re-aggregating the collected network messages according to the analysis instruction.
7. The automatic aggregation analysis method for the network messages of the intelligent substation according to claim 6, wherein the method for re-aggregating the aggregated network messages according to the analysis instruction comprises the following steps:
and extracting a plurality of objects from the sub nodes and leaf nodes of the tree graph, and aggregating to form an analysis file.
8. An electronic device comprising a processor, a storage medium, and a computer program, the computer program being stored in the storage medium, wherein the computer program, when executed by the processor, implements the method for automatic aggregation analysis of network messages of an intelligent substation of any of claims 1 to 7.
9. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the method for automatic aggregation analysis of network messages of an intelligent substation according to any one of claims 1 to 7.
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| CN103516541B (en) * | 2012-06-29 | 2017-08-08 | 北京东土科技股份有限公司 | Configuration information automatic management method based on Intelligent transformer station |
| CN102752224B (en) * | 2012-07-26 | 2015-02-11 | 广东省电力调度中心 | Switch message forwarding method and device |
| CN104112015A (en) * | 2014-07-19 | 2014-10-22 | 国家电网公司 | DOM (document object model) and XML (extensible markup language) path language based intelligent substation SCD (substation configuration description) file parsing method |
| CN106253487B (en) * | 2016-09-29 | 2019-02-05 | 北京东土科技股份有限公司 | Intelligent electric power server applied to intelligent substation Protection control system |
| CN106357000B (en) * | 2016-09-29 | 2019-07-23 | 北京东土科技股份有限公司 | Intelligent substation Protection control system based on industry internet framework |
| US11327114B2 (en) * | 2018-06-15 | 2022-05-10 | State Grid Hebei Electric Power Research Institute | Fully-automatic closed-loop detection method and device for intelligent substation |
| CN109800209B (en) * | 2019-02-18 | 2021-04-16 | 重庆邮电大学 | Intelligent substation SCD file parallel analysis method |
| CN112579529A (en) * | 2020-12-07 | 2021-03-30 | 北京四方继保工程技术有限公司 | Index display method and system for IED messages of intelligent substation |
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| CN101719866A (en) * | 2008-08-18 | 2010-06-02 | Abb技术有限公司 | Configuration of a process control system |
| CN110581823A (en) * | 2018-06-07 | 2019-12-17 | 中国科学院声学研究所 | method for analyzing non-public database protocol request data packet |
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