CN111526062B - Maintenance method for telecontrol communication network shutdown of transformer substation - Google Patents
Maintenance method for telecontrol communication network shutdown of transformer substation Download PDFInfo
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- CN111526062B CN111526062B CN202010640910.1A CN202010640910A CN111526062B CN 111526062 B CN111526062 B CN 111526062B CN 202010640910 A CN202010640910 A CN 202010640910A CN 111526062 B CN111526062 B CN 111526062B
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- 238000004891 communication Methods 0.000 title claims abstract description 131
- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007689 inspection Methods 0.000 claims abstract description 80
- 238000012544 monitoring process Methods 0.000 claims abstract description 68
- 230000002159 abnormal effect Effects 0.000 claims abstract description 26
- 238000012986 modification Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 4
- 238000010801 machine learning Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
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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
- H04L41/06—Management of faults, events, alarms or notifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
-
- 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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
Abstract
The invention provides a maintenance method of a telecontrol communication network shutdown machine of a transformer substation, which is characterized in that connection is established between a monitoring master station and the telecontrol communication network shutdown machine, telecontrol communication state information and alarm information which are monitored in real time, a configuration file, an operation log and the like which are called remotely are comprehensively utilized, and intelligent alarm and fault diagnosis of the telecontrol communication network shutdown machine are realized according to an abnormal condition expert knowledge base. And meanwhile, the monitoring master station remotely and automatically inspects the telecontrol communication network machine according to the set inspection requirement and the inspection rule, judges whether each inspection item is normal or not, comprehensively analyzes and evaluates the current state of the telecontrol communication network machine according to the inspection result, automatically generates an inspection report and automatically stores inspection historical information. The technical scheme of the invention realizes intelligent alarm and automatic inspection of the master station end telecontrol communication network machine under the condition of not changing the network structure of the existing master station and substation, is convenient for remote and rapid positioning, and improves the working efficiency and reliability.
Description
Technical Field
The invention relates to the field of remote operation and maintenance of equipment information of a power system, in particular to a maintenance method of a telecontrol communication network shutdown machine of a transformer substation.
Background
At present, the running state of a telecontrol communication network shutdown machine of a transformer substation lacks effective active monitoring and control means, the time lag for discovering the abnormity of the telecontrol communication network shutdown machine state is delayed under the unattended condition of the transformer substation, the process efficiency for processing the problems of the telecontrol communication network shutdown machine defect and the like is low, and the safe running of a power grid is not facilitated.
Therefore, a unified monitoring platform for the telecontrol communication gateway machine needs to be established at the master station so as to remotely monitor the state, automatically inspect and analyze an alarm of the telecontrol communication gateway machine and ensure the stable and reliable operation of the telecontrol communication gateway machine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a maintenance method of a telecontrol communication network shutdown machine of a transformer substation, which is used for carrying out state monitoring, automatic inspection and alarm analysis on the telecontrol communication network shutdown machine under the condition of not changing the network structures of the prior dispatching and station.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a maintenance method for a substation telecontrol communication network shutdown machine comprises the following steps:
step 1: establishing connection between a monitoring master station and a telecontrol communication gateway machine;
step 2: the monitoring master station monitors the running state of the telecontrol communication gateway machine in real time, obtains state information and alarm information, and can call configuration information and running logs of the telecontrol communication gateway machine according to requirements;
and step 3: the monitoring master station constructs an abnormal condition expert knowledge base according to state information and alarm information of the telecontrol communication network shutdown machine monitored in real time, and remotely called configuration information and an operation log;
and 4, step 4: the monitoring master station remotely inspects the telecontrol communication network machine according to the set inspection requirement and the inspection rule, and judges whether each inspection item is normal or not by combining with the abnormal condition expert knowledge base to obtain an inspection result;
step 5, the monitoring master station comprehensively analyzes and evaluates the current running state of the telecontrol communication network machine according to the polling result, generates a polling report and stores polling information;
step 6: the monitoring master station provides an auxiliary decision suggestion for maintaining the telecontrol communication gateway machine according to the alarm information and the routing inspection information of the telecontrol communication gateway machine and by combining an abnormal condition expert knowledge base;
and 7: and the monitoring master station carries out remote maintenance of the telecontrol communication gateway machine according to the requirements.
Further, in step 1, a link layer TCP connection between the monitoring master station and the telecontrol communication gateway machine and an interaction of the application layer extension 104 protocol message are established.
Further, in the step 2, the state information of the telecontrol communication gateway machine includes a memory usage rate, a CPU usage rate, a disk usage rate, a channel process state, a lower communication state, and an upper communication state.
Further, in step 2, the configuration information includes a protocol channel parameter and a forwarding point table, and the monitoring master opens and edits the configuration information, and the configuration information is read and validated by the telecontrol communication gateway machine.
Further, in the step 2, the operation log records the operation state information of the telecontrol communication network shutdown machine in a readable file form.
Further, in the step 3, the abnormal condition expert knowledge base is constructed by combining an experience summary and a machine learning method, and adaptive dynamic update is realized, and the abnormal condition expert knowledge base analyzes possible reasons of abnormality and failure of the telecontrol communication network shutdown machine based on the running state of the telecontrol communication network shutdown machine.
Further, in the step 4, the remote inspection includes automatic timing inspection and event triggering inspection, and the monitoring master station self-defines an inspection table name, an inspection domain name, an inspection rule, an inspection period and an output mode.
Further, in step 6, the remote maintenance includes configuration modification and link restart, and the configuration modification and link restart relies on an extended 104 protocol to call a configuration file, download and issue control commands.
Furthermore, the monitoring master station supports self-defined event alarm, establishes an alarm level and provides an automatically refreshed alarm list.
Compared with the prior art, the invention adopting the technical scheme has at least one of the following beneficial effects:
1. the method of the invention realizes remote intelligent alarm and automatic inspection of the telecontrol communication gateway machine under the condition of not changing the network structure of the prior scheduling master station and the prior scheduling slave station;
2. the method of the invention enables maintenance personnel to quickly, safely and accurately carry out maintenance work such as daily routing inspection, alarm analysis, fault processing and the like of the telecontrol communication network shutdown machine in a remote mode, thereby improving the working efficiency.
Drawings
Fig. 1 is a flowchart of a maintenance method for a substation telecontrol communication gateway machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of remote monitoring, automatic routing inspection, intelligent alarm, fault diagnosis and updating of telecontrol communication gateway configuration at a monitoring master station in the embodiment of the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a preferred embodiment of the present invention is a maintenance method for a substation telecontrol communication gateway machine, including the following steps:
step 1: establishing connection between a monitoring master station and a telecontrol communication gateway machine;
step 2: the monitoring master station monitors the running state of the telecontrol communication gateway machine in real time, obtains state information and alarm information, and can call configuration information and running logs of the telecontrol communication gateway machine according to requirements;
and step 3: the monitoring master station constructs an abnormal condition expert knowledge base according to state information and alarm information of the telecontrol communication network shutdown machine monitored in real time, and remotely called configuration information and an operation log;
and 4, step 4: the monitoring master station remotely inspects the telecontrol communication network machine according to the set inspection requirement and the inspection rule, and judges whether each inspection item is normal or not by combining with the abnormal condition expert knowledge base to obtain an inspection result;
step 5, the monitoring master station comprehensively analyzes and evaluates the current running state of the telecontrol communication network machine according to the polling result, generates a polling report and stores polling information;
step 6: the monitoring master station provides an auxiliary decision suggestion for maintaining the telecontrol communication gateway machine according to the alarm information and the routing inspection information of the telecontrol communication gateway machine and by combining an abnormal condition expert knowledge base;
and 7: and the monitoring master station carries out remote maintenance of the telecontrol communication gateway machine according to the requirements.
The invention realizes remote intelligent alarm and automatic inspection of the telecontrol communication network machine without changing the network structure of the prior scheduling master station and the prior scheduling slave station; the invention enables maintenance personnel to quickly, safely and accurately carry out maintenance work such as daily routing inspection, alarm analysis, fault processing and the like on the telecontrol communication network equipment in a remote mode, thereby improving the working efficiency.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, in step 1, a link layer TCP connection between the monitoring master station and the telecontrol communication gateway machine and an interaction of a protocol packet of the application layer extension 104 are established.
In this embodiment, in the step 2, the state information of the telecontrol communication gateway machine includes a memory usage rate, a CPU usage rate, a disk usage rate, a channel process state, a lower communication state, and an upper communication state;
in this embodiment, in step 2, the configuration information includes a protocol channel parameter and a forwarding point table, and the monitoring master opens and edits the configuration information, and the configuration information is read and validated by the telecontrol communication gateway.
In this embodiment, in the step 2, the operation log records the operation state information of the telecontrol communication network shutdown machine in a readable file form;
in this embodiment, in the step 3, the abnormal condition expert knowledge base is constructed by combining an experience summary and a machine learning method, and adaptive dynamic update is realized, and the abnormal condition expert knowledge base analyzes possible reasons of abnormality and failure of the telecontrol communication network shutdown machine based on the running state of the telecontrol communication network shutdown machine;
in this embodiment, in step 4, the remote inspection includes automatic timing inspection and event-triggered inspection, and the monitoring master station defines an inspection table name, an inspection domain name, an inspection rule, an inspection cycle, and an output mode.
In this embodiment, in step 6, the remote maintenance includes configuration modification and link restart, and the configuration modification and link restart relies on an extended 104 protocol to perform configuration file calling, downloading, and issuing control commands.
In this embodiment, the monitoring master station supports custom event alarms, constructs alarm levels, provides an automatically refreshed alarm list, and has intelligent fault diagnosis functions of single event inference and management event inference.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
To facilitate an understanding of the invention, a more specific example is provided below:
the invention provides a maintenance method of a telecontrol communication network shutdown machine of a transformer substation, which comprises the following steps:
s1, connection between the monitoring master station and the telecontrol communication gateway machine is established, and link layer TCP connection and application layer expansion 104 protocol message interaction are established between the monitoring master station and the telecontrol communication gateway machine.
S2, the monitoring master station monitors the running state of the telecontrol communication network machine in real time, obtains state information and alarm information, and can call configuration information and running logs of the telecontrol communication network machine according to requirements. The operating state information collected by the telecontrol communication network shutdown machine comprises a memory utilization rate, a CPU utilization rate, a disk utilization rate, a channel process state, a lower communication state, an upper communication state and the like, and the established operating state information table is a 104 protocol point table consisting of remote measurement and remote signaling; the protocol channel parameter and the forwarding table parameter are used for describing parameters and communication point table configuration information required by the communication between the substation end and the main station, can be opened and edited at the monitoring main station end, and can be read and taken into effect by the substation end telecontrol communication gateway machine; the operation log records the operation state information of the telecontrol communication network machine in a readable file form, the operation log comprises a message log, and the message log records interactive messages between the master station and the slave station in a readable file form.
And S3, the monitoring master station constructs an abnormal condition expert knowledge base according to the state information and the alarm information of the telecontrol communication network shutdown machine monitored in real time, the configuration information and the operation log which are remotely called. The monitoring master station monitors the running state of the telecontrol communication network machine in real time through the running state information table; when the configuration needs to be updated, protocol channel parameters and forwarding table configuration files are called from the telecontrol communication network machine for modification, and operation log files are called from the telecontrol communication network machine manually or regularly for abnormal condition analysis and processing experience is integrated into an abnormal condition expert knowledge base.
And S4, the monitoring master station remotely inspects the telecontrol communication network equipment according to the set inspection requirements and inspection rules, and judges whether each inspection item is normal or not by combining the abnormal condition expert knowledge base to obtain an inspection result. The remote inspection comprises timing automatic inspection and event triggering inspection, and timing automatic or event triggering inspection rules and plans are designed according to the actual requirements of users and stored in a unified model real-time base of the telecontrol communication network machine, and the rules and plans comprise fields such as inspection item names, inspection table names, inspection domain names, inspection rules, inspection periods, output modes and the like, and can be customized and modified by using a maintenance tool.
And S5, the monitoring master station comprehensively analyzes and evaluates the current operation state of the telecontrol communication network machine according to the inspection result, generates an inspection report and stores inspection information.
And S6, the monitoring master station provides an auxiliary decision suggestion for maintaining the telecontrol communication network shutdown machine according to the alarm information and the routing inspection information of the telecontrol communication network shutdown machine and in combination with the abnormal condition expert knowledge base. The monitoring master station supports custom event alarm, establishes alarm levels, provides an automatically refreshed alarm list, and has intelligent fault diagnosis functions of single event inference and management event inference.
And S7, the monitoring master station remotely maintains the telecontrol communication network shutdown machine according to requirements, such as configuration modification, link restart and the like. Remote maintenance configuration modification and link restart are carried out by means of an expansion 104 protocol, configuration file calling, downloading and control command issuing.
Specifically, in a schematic diagram of a monitoring master station performing remote monitoring, automatic inspection, intelligent alarm, fault diagnosis on a telecontrol communication network shutdown machine and updating the configuration of the telecontrol communication network shutdown machine, referring to fig. 2, a specific process includes:
s201, establishing connection;
the monitoring master station initiates a TCP connection request to the telecontrol communication gateway machine, the telecontrol communication gateway machine responds to the connection request, and the TCP connection between the monitoring master station and the telecontrol communication gateway machine is established; the monitoring master station initiates an IEC104 protocol connection request to the telecontrol communication gateway machine, the telecontrol communication gateway machine responds to the connection request, and the monitoring master station is connected and established with the IEC104 protocol of the telecontrol communication gateway machine;
s202, monitoring the state;
the telecontrol communication network shutdown state information table is a 104 protocol point table consisting of remote measurement and remote signaling, and the contents of the point table comprise memory utilization rate, CPU utilization rate, disk utilization rate, channel process state, lower communication state, upper communication state and the like.
S203, constructing an expert knowledge base;
and establishing the abnormal condition expert knowledge base of the telecontrol communication network shutdown machine by combining an experience summary and a machine learning method, and realizing self-adaptive dynamic updating, wherein the abnormal condition expert knowledge base realizes automatic reasoning of the possible reasons of the abnormal condition and the fault of the telecontrol communication network shutdown machine on the basis of a service operation state analysis function.
S204, making a routing inspection rule;
the monitoring master station specifies a telemechanical communication network shutdown inspection scheme according to maintenance requirements, and self-defines an inspection mode, an inspection item name, an inspection table name, an inspection domain name, an inspection rule, an inspection period, an output mode and the like.
S205, timing inspection and automatic inspection;
and the monitoring master station executes the inspection plan according to the established inspection rule.
S206, intelligently alarming;
besides the chart and log output, the monitoring master station polling result intelligently alarms the abnormal state of the telecontrol communication network machine.
S207, fault diagnosis;
and the monitoring master station performs fault diagnosis on the abnormal state of the telecontrol communication network machine by combining the inspection result and the alarm information and provides an auxiliary decision suggestion for fault treatment.
S208, the configuration file needs to be modified;
and the monitoring main station fault diagnosis result indicates that the configuration file of the telecontrol communication network shutdown machine is in error and needs to be modified.
S209, calling a configuration file;
and the monitoring master station sends a protocol channel parameter and a forwarding table configuration file acquisition command to the telecontrol communication gateway machine.
S210, modifying the configuration file;
and the monitoring master station modifies the configuration file of the telecontrol communication network shutdown machine according to the fault diagnosis processing suggestion.
S211, downloading a configuration file;
and the monitoring master station sends the modified and updated protocol channel parameters and the forwarding table configuration file to the telecontrol communication gateway machine.
S212, receiving and deploying;
and the telecontrol communication network machine receives the modified and updated configuration file which is monitored and downloaded, and performs local deployment.
S213, confirming the deployment completion;
and the telecontrol communication network shutdown machine returns configuration file deployment completion information.
S214, issuing a restart command;
the monitoring master station issues a restart command to the telecontrol communication gateway machine;
s214, restarting device
And the telecontrol communication network shutdown executes the restarting operation after receiving the monitoring master station restarting command so as to enable the modified configuration file to take effect.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A maintenance method for a substation telecontrol communication network shutdown machine is characterized by comprising the following steps:
step 1: establishing connection between a monitoring master station and a telecontrol communication gateway machine;
step 2: the monitoring master station monitors the running state of the telecontrol communication gateway machine in real time to obtain state information and alarm information, and can call configuration information and running logs of the telecontrol communication gateway machine according to requirements, wherein the configuration information comprises protocol channel parameters and a forwarding point table, and the configuration information is opened and edited by the monitoring master station and is read by the telecontrol communication gateway machine to take effect;
and step 3: the monitoring master station constructs an abnormal condition expert knowledge base according to state information and alarm information of the telecontrol communication network shutdown machine monitored in real time, and remotely called configuration information and an operation log;
and 4, step 4: the monitoring master station remotely inspects the telecontrol communication network machine according to the set inspection requirement and the inspection rule, and judges whether each inspection item is normal or not by combining with the abnormal condition expert knowledge base to obtain an inspection result;
step 5, the monitoring master station comprehensively analyzes and evaluates the current running state of the telecontrol communication network machine according to the polling result, generates a polling report and stores polling information;
step 6: the monitoring master station provides an auxiliary decision suggestion for maintaining the telecontrol communication gateway machine according to the alarm information and the routing inspection information of the telecontrol communication gateway machine and by combining an abnormal condition expert knowledge base;
and 7: and the monitoring master station remotely maintains the telecontrol communication gateway machine according to the requirement.
2. The method for maintaining the substation telecontrol communication gateway machine according to claim 1, wherein in step 1, a link layer TCP connection between the monitoring master station and the telecontrol communication gateway machine and an application layer extension 104 protocol message interaction are established.
3. The method for maintaining the substation telecontrol communication network machine according to claim 1, wherein in the step 2, the state information of the telecontrol communication network machine includes a memory usage rate, a CPU usage rate, a disk usage rate, a channel progress state, a lower communication state and an upper communication state.
4. The method for maintaining the substation telecontrol communication network shutdown machine according to claim 1, wherein in the step 2, the operation log records the operation state information of the telecontrol communication network shutdown machine in a readable file form.
5. The method for maintaining the substation telecontrol communication network shutdown machine according to claim 1, characterized in that in the step 3, the abnormal condition expert knowledge base is constructed and self-adaptive dynamic update is realized by combining experience summary and machine learning methods, and the abnormal condition expert knowledge base analyzes possible reasons of the telecontrol communication network shutdown machine abnormality and failure based on the running state of the telecontrol communication network shutdown machine.
6. The maintenance method of the substation telecontrol communication network shutdown machine according to claim 1, characterized in that in the step 4, the remote inspection comprises timed automatic inspection and event-triggered inspection, and the monitoring master station defines inspection table names, inspection domain names, inspection rules, inspection periods and output modes in a self-defined manner.
7. The method for maintaining the substation telecontrol communication network shutdown machine according to claim 1, wherein in the step 7, the remote maintenance includes configuration modification and link restart, and the configuration modification and the link restart rely on an extended 104 protocol for configuration file calling, downloading and issuing of a control command.
8. The maintenance method of the substation telecontrol communication gateway machine according to claim 1, wherein the monitoring master station supports custom event alarms, and builds alarm levels and provides an automatically refreshed alarm list.
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| CN112737930A (en) * | 2020-12-18 | 2021-04-30 | 国网辽宁省电力有限公司 | Intelligent data communication network shutdown delay processing system and delay processing method |
| CN112803587A (en) * | 2020-12-30 | 2021-05-14 | 国网河北省电力有限公司 | Intelligent inspection method for state of automatic equipment based on diagnosis decision library |
| CN114285749B (en) * | 2021-11-17 | 2023-09-08 | 许昌许继软件技术有限公司 | On-line operation and maintenance control method and device for shutdown of data communication network |
| CN114615300A (en) * | 2022-03-10 | 2022-06-10 | 青岛鼎信通讯股份有限公司 | Fault indicator terminal equipment maintenance method based on edge computing gateway |
| CN115242639B (en) * | 2022-06-22 | 2023-09-22 | 武汉中域软件有限公司 | Method and system for automatically diagnosing error configuration problem of data gateway machine |
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