CN104579839B - A kind of substation communication network state on_line monitoring system and method - Google Patents
A kind of substation communication network state on_line monitoring system and method Download PDFInfo
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Abstract
The present invention proposes a kind of substation communication network state on_line monitoring system and method, and monitoring system includes condition managing region, status monitoring region and state determinating area, condition managing region adaptive setting communication network traffic fault actions threshold value；Each port of all interchangers is exchanged message mirror to the system that monitors, and to message, equipment and Network Performance Monitor System by status monitoring region in real time, network measured discharge is input to state determinating area, while being transmitted to state determinating area to packet parsing content；State determinating area carries out the positioning, control and recovery of network failure by monitoring the preliminary fault verification of reasonability progress of message sequential and message coding and comparing network measured discharge and network flow fault actions threshold value.The substation communication network state on_line monitoring system and method for implementing the present invention, has the advantages that：Have on-line monitoring and instant protective capability, intelligent substation can be met for communication network reliability requirement.
Description
Technical field
The present invention relates to network monitor field, more particularly to a kind of substation communication network state on_line monitoring system and side
Method.
Background technology
The substation data of networking transmit and information sharing to be that intelligent substation is different from traditional substation mostly important
Feature.Communication network is that the main thoroughfare of intelligent substation data transmission and information sharing and intelligent substation are normally transported
The basis that the functions such as row and scheduling controlling are realized, therefore ensure communications network security stable operation, improve the reliable of communication network
Property is of great significance for the safe and stable operation of intelligent substation.To promote the reliability of substation communication network, improve
Operations staff needs to establish perfect substation communication network condition monitoring system and matching to the control ability of communication network
The monitoring content setting method of set.
Currently, the unified complete transformer station secondary system towards communication network has not yet been formed in intelligent substation communication network
Monitoring system.Most current intelligent substation communication network is carried out only with the mode that communications records and off-line analysis are combined
Communications network monitors control.Specifically, this substation communication network control mode needs access information in a communication network
Monitoring device, information monitoring device indistinguishably carry out the capture, parsing and storage of all kinds of messages of substation, when progress network
When accident analysis or operation conditions inspection etc. have network message the work of query demand, need by calling record report under line
Text, carries out Network Abnormal trouble shoot and failure process is recollected.
On the one hand the communication network monitoring mode that intelligent substation communication records and off-line analysis is combined needs to have big
Capacity, high reliability storage device for recording the network information, increase substation's construction infusion of financial resources；On the other hand, net
The analysis recorded message that network accident analysis is called only accounts for the 0.1% of whole recorded messages, and a large amount of recorded messages is caused to waste.More
To be important, the communication network monitoring method of network communication record and off-line analysis is a kind of solution of ex-post analysis, i.e.,
It needs to call stored messages after accident generation and professional message analysis personnel progress network failure is searched and failure solves, this
Kind communication network protects the ability that control mode does not have on-line monitoring, protects immediately, it is difficult to meet intelligent substation for logical
Communication network reliability requirement.
Invention content
The technical problem to be solved in the present invention is that above-mentioned for the prior art does not have on-line monitoring and immediately protection
Ability is difficult to the defect for meeting intelligent substation for communication network reliability requirement, provide one kind have on-line monitoring and i.e.
When protective capability, substation communication network state on_line monitoring of the intelligent substation for communication network reliability requirement can be met
System and method.
The technical solution adopted by the present invention to solve the technical problems is：It is online to construct a kind of substation communication network state
Monitoring system, including condition managing region, status monitoring region and state determinating area, the condition managing region pass through study
Communication network physical arrangement information, all kinds of messages in conjunction with as defined in IEC61850 are given out a contract for a project the network flow calculating side of rule and setting
Method, adaptive setting communication network traffic fault actions threshold values；The status monitoring region connect with the condition managing region, uses
Each port of all interchangers is exchanged into message mirror to the substation communication network state on_line monitoring system in real time, and right
Message, equipment and network performance are monitored in real time, and obtained network measured discharge is input to the state determinating area,
Simultaneously by carrying out parsing to message and parsing content being transmitted to the state determinating area；The state determinating area difference
It is connect with the condition managing region and status monitoring region, for passing through monitoring message sequential and report according to the parsing content
The reasonability of text coding carries out preliminary fault verification and by by the network measured discharge and network flow fault actions threshold values
It is compared, to carry out the positioning, control and recovery of network failure.
In substation communication network state on_line monitoring system of the present invention, the parsing content includes message
APPID, state StNum and sequence number SqNum.
In substation communication network state on_line monitoring system of the present invention, the condition managing region includes net
Network physical message input module, SCD file parsing module, message status management module, equipment state management module and network-like
State management module, the network physical MIM message input module are connect with information interactive bus, for learning communication network physics knot
Structure information, the SCD file parsing module are connect with described information interaction bus, for being parsed to SCD file, the report
Literary state management module is connect with described information interaction bus, for being managed to message status, the equipment state management
Module is connect with described information interaction bus, for being managed to equipment state, the network state management module with it is described
Information interactive bus connects, for being managed to network state.
In substation communication network state on_line monitoring system of the present invention, the status monitoring region includes net
Network message mirror module, flow delay statistical module and packet parsing module, the network message mirror module will be in real time will
All each ports of interchanger exchange message mirror to the substation communication network state on_line monitoring system, the flow delay
Statistical module is connect respectively with the network message mirror module and information interactive bus, in real time to communication network device end
Mouthful flow and message delay counted, the packet parsing module connect with the flow delay statistical module, is used for pair
Message carries out parsing and parsing content is transmitted to the state determinating area.
In substation communication network state on_line monitoring system of the present invention, the state determinating area includes report
Literary reasonability determination module, equipment state determination module, Network status determination module and protection control module；The message is reasonable
Sex determination module is connect respectively with the packet parsing module and information interactive bus, for passing through prison according to the parsing content
It observes and predicts literary sequential and message coding carries out message reasonableness check；The equipment state determination module is reasonable with the message respectively
Sex determination module connects with information interactive bus, judges for the state to equipment；The Network status determination module with
Described information interaction bus connects, for judging Network status；The protection control module is closed with the message respectively
Rationality determination module, Network status determination module are connected with equipment state determination module, in communication network status exception
Carry out protection control.
In substation communication network state on_line monitoring system of the present invention, the network state management module packet
Include network information input module, message rate analysis module, triggering analysis module, Network topology module, VLAN point
Analysis module, message distribution calculation module, flow load computing module, service curves computing module, arrives message length analysis module
Up to curve computing module, delay distribution calculation module and network information output module, the network information input module and message
Distribution calculation module is divided with the message rate analysis module, triggering analysis module, Network topology module, VLAN
Analysis module connected with message length analysis module, the flow load computing module respectively with the message rate analysis module and
Message distribution calculation module connects, and the service curves computing module is distributed with the message rate analysis module, message respectively
Computing module is connected with message length analysis module, the arrival curve computing module respectively with the message distribution calculation module
Connection, the delay distribution calculation module are connect with the service curves computing module and arrival curve computing module respectively, institute
Network information output module is stated to connect with the flow load computing module and delay distribution calculation module respectively；The network letter
Network topology structure, message length, packet sending speed, VLAN is divided and triggering information for inputting for breath input module；It is described
Network information output module is for exporting network traffic load and maximum delay distributed intelligence.
In substation communication network state on_line monitoring system of the present invention, the message includes heartbeat GOOSE
Message, sampled value SV messages and MMS messages, the MMS messages include that MMS Initial messages, MMS operation messages and MMS are terminated
Message；The monitoring content of the heartbeat GOOSE message includes message integrality, message compliance, message sending time, message sequence
Number and subscribing relationship；The monitoring content of the sampled value SV messages includes between message integrality, message compliance, message transmission
Every, test serial number and subscribing relationship；The monitoring content of the MMS Initial messages includes service content, response delay and response
Service；The monitoring content of the MMS operations message includes message integrality, test serial number, data traffic, data parameters and message
Transmission delay；The monitoring content that the MMS terminates message includes termination message.
In substation communication network state on_line monitoring system of the present invention, the equipment include interchanger and
The status monitoring of IED equipment, the interchanger includes address table monitoring, logical cyclic ring network monitoring, the monitoring of switch memory and electricity
The monitoring of source voltage；The status monitoring of the IED equipment includes the monitoring of the monitoring and clock sync message of Parallel Redundancy Protocol,
The monitoring of the network performance includes flow distribution monitoring and delay distribution monitoring.
The invention further relates to a kind of substation communication network state on_line monitoring methods, include the following steps：
A substation communication network state online monitoring system) is initialized；
B) the substation communication network state online monitoring system mirror image obtains network communication message, parses and counts net
Network flow and message delay；
C) by the real-time distributed monitoring data input state determinating area of network, message reasonability determination module judges input
Message with the presence or absence of abnormal, if so, judgement result is input to Network status determination module, execute step F)；Otherwise, it carries out
Equipment state judges, executes step D)；
D it) carries out communicating between the substation communication network state on_line monitoring system and monitored equipment and obtains target
Monitoring content, and the content of the target monitoring content and equipment state management module is compared, judge whether to occur different
Reason condition executes step F if so, judgement result is input to Network status determination module)；Otherwise, network performance is carried out to sentence
It is fixed, execute step E)；
E) network flow and message delay are compared with network performance setting valve respectively, judge whether to occur different
Reason condition executes step F if so, judgement result is input to protection control module)；Otherwise, step F is executed)；
F) judge whether network topology that condition managing region is originally inputted and message physical message change, if so,
Return to step A)；Otherwise, return to step B).
In substation communication network state on_line monitoring method of the present invention, the step A) further comprise：
A1 the substation communication network state on_line monitoring system) is arranged in a communication network；
A2) by being parsed to SCD file, communication network physical message input and network performance adjust and complete message
The information input of state management module, equipment state management module and network state management module.
The substation communication network state on_line monitoring system and method for implementing the present invention, has the advantages that:By
In use state management region, status monitoring region and state determinating area, condition managing region is by learning communication network object
Reason structural information, all kinds of messages in conjunction with as defined in IEC61850 give out a contract for a project rule and setting network flow computational methods, adjust meter
Calculate communication network traffic fault actions threshold values；Status monitoring region by each port of all interchangers for exchanging message mirror in real time
It is monitored, and will be obtained in real time to substation communication network state on_line monitoring system, and to message, equipment and network performance
Network measured discharge be input to state determinating area, while by carrying out parsing to message and parsing content being transmitted to state
Determinating area；State determinating area is used to be carried out just by monitoring the reasonability of message sequential and message coding according to parsing content
Fault verification and by comparing network measured discharge and network flow fault actions threshold values is walked, to carry out network failure
Positioning, control and recovery, monitored in real time due to being, so it has on-line monitoring and instant protective capability, can meet intelligently
Substation is for communication network reliability requirement.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure of system in substation communication network state on_line monitoring system and method one embodiment of the present invention
Schematic diagram；
Fig. 2 is that the traffic model of substation communication network state on_line monitoring system and the network equipment shows in the embodiment
It is intended to；
Fig. 3 is the concrete structure schematic diagram of network state management module in the embodiment；
Fig. 4 is the flow chart of monitoring method in the embodiment；
Fig. 5 is to arrange the substation communication network state on_line monitoring system in a communication network in the embodiment
Particular flow sheet.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In substation communication network state on_line monitoring system and method embodiment of the present invention, substation communication network
The structural schematic diagram of state on_line monitoring system is as shown in Figure 1.In Fig. 1, the substation communication network state on_line monitoring system
Including condition managing region 1, status monitoring region 2 and state determinating area 3, wherein condition managing region 1 is communicated by learning
Network physical information, all kinds of messages in conjunction with as defined in IEC61850 give out a contract for a project rule and setting network flow computational methods,
Adaptive setting communication network traffic fault actions threshold values；Status monitoring region 2 is connect with condition managing region 1, in real time will
Each ports of all interchangers exchange message mirrors to substation communication network state on_line monitoring system, and to message, equipment and
Network performance is monitored in real time, and obtained network measured discharge is input to state determinating area 3, while by message
Parse and obtained parsing content is transmitted to state determinating area 3；State determinating area 3 respectively with condition managing region
1 and the connection of status monitoring region 2, for according to above-mentioned parsing content by monitor the reasonability of message sequential and message coding into
The preliminary fault verification of row and by comparing network measured discharge and network flow fault actions threshold values, to carry out network
Positioning, control and the recovery of failure.Due to being to monitor in real time, so it has on-line monitoring and instant protective capability, can meet
Intelligent substation is for communication network reliability requirement.It is noted that above-mentioned parsing content includes message APPID, state
Number StNum and sequence number SqNum.
In the present embodiment, specifically, condition managing region 1 includes network physical MIM message input module 11, SCD file solution
Analyse module 12, message status management module 13, equipment state management module 14 and network state management module 15, network physical letter
Breath input module 11 is connect with information interactive bus, for learning communication network physical arrangement information, SCD file parsing module 12
It is connect with information interactive bus, for being parsed to SCD file, message status management module 13 connects with information interactive bus
It connects, for being managed to message status, equipment state management module 14 is connect with information interactive bus, for equipment state
It is managed, network state management module 15 is connect with information interactive bus, for being managed to network state.
In the present embodiment, status monitoring region 2 includes network message mirror module 21, flow delay statistical module 22 and report
Literary parsing module 23, network message mirror module 21 by each port of all interchangers for exchanging message mirror to substation in real time
Communication network status on-line monitoring system, flow delay statistical module 22 respectively with network message mirror module 21 and information exchange
Bus connection, for being counted in real time to the flow and message delay of communication network device port, packet parsing module 23 with
Flow delay statistical module 22 connects, for message parse and obtained parsing content being transmitted to state determinating area
3。
In the present embodiment, state determinating area 3 include message reasonability determination module 31, equipment state determination module 32,
Network status determination module 33 and protection control module 34；Message reasonability determination module 32 respectively with packet parsing module 23 and
Information interactive bus connection is used to pass through monitoring message sequential and message coding progress message reasonability according to above-mentioned parsing content
It checks；Equipment state determination module 32 connect with message reasonability determination module 31 and information interactive bus respectively, for pair setting
Standby state is judged；Network status determination module 33 is connect with information interactive bus, for judging Network status；
Protect control module 34 respectively with message reasonability determination module 31, Network status determination module 33 and equipment state determination module
32 connect, for carrying out protection control in communication network status exception.
Monitoring object is the basis that transformer substation communication defencive function is realized and action foundation, and reasonable selection can effectively reflect
The network monitor object of Network status and fault message, is of great significance for communication network protection systems.IEC61850 is marked
Quasi- specific definition intelligent substation exchanges the contents such as message, including message format, transmission mode, performance requirement, service object,
It is to establish the communication network status monitoring for meeting practical simultaneously 61850 standard of compatible to IEC of intelligent substation engineering and protection control
System, the present invention study all kinds of MESSAGE EXCHANGE features and service content, the communications network monitors of selection under IEC61850 standards in detail
Object includes network message, equipment state and network performance, and reasonably selects the monitoring content for concluding an object, is controlled for protection
System processed provides real-time, effectively communication network status and describes.In the present embodiment, message includes heartbeat GOOSE message, sampled value
SV messages and MMS messages, MMS messages include that MMS Initial messages, MMS operation messages and MMS terminate message；Heartbeat GOOSE reports
The monitoring content of text includes message integrality, message compliance, message sending time, test serial number and subscribing relationship；Sampled value
The monitoring content of SV messages includes message integrality, message compliance, message transmission interval, test serial number and subscribing relationship；MMS
The monitoring content of Initial message includes service content, response delay and response service；MMS operation message monitoring content include
Message integrality, test serial number, data traffic, data parameters and message transmissions delay；MMS terminate message monitoring content include
Termination message.Above equipment includes interchanger and IED equipment (electrical secondary system IED equipment), and the status monitoring of interchanger includes ground
Location table monitors, logical cyclic ring network monitors, the monitoring of the monitoring of switch memory and supply voltage；The status monitoring of IED equipment includes
The monitoring of the monitoring of the monitoring and clock sync message of Parallel Redundancy Protocol, network performance includes flow distribution monitoring and delay point
Cloth monitors.In short, network message monitoring includes mainly the contents such as sequence of message number, message reasonability and message compliance；
Equipment state monitoring includes mainly that interchanger and electrical secondary system IED functions of the equipments monitor；Network performance monitoring content includes mainly
Communication network device port flow and message delay statistics.It is the detection for the three kinds of network monitor objects chosen to the present invention below
Detailed description.
For network message, all kinds of messages of substation are the basis and carrier that substation's scheduling controlling function is realized,
A large amount of transforming plant primaries and electrical secondary system status information are carried in message switching procedure, analyze message content and feature comprehensively,
The electrical secondary system information deeply excavated and carried using message has important meaning for electrical secondary system status monitoring and protection control
Justice.
IEC61850 standards provide that intelligent substation message includes transformer substation case (GOOSE) report towards general object
Text, sampled value (SV) message, manufacture message specification (MMS) and four class of clock synchronization message (IEEE1588).Wherein GOOSE message is used
It is uploaded in switching-state information and the control commands such as tripping overlaps, SV messages is used for an information about power sampled data, MMS messages
For the coordination, management and control of whole system, IEEE1588 messages synchronize clock synchronization for LA Management Room.Due to synchronous clock synchronization
Network is typically independent networking, and the present invention does not include synchronous clock synchronization message status monitoring and control.As shown in table 1, table 2 and table 3,
The monitoring content of GOOSE, SV, MMS message is provided respectively and carries out detailed analysis.
1 GOOSE message monitoring content of table and analysis
2 SV messages monitoring content of table and analysis
3 MMS monitoring contents of table and analysis
For equipment state, message status exchanges information as carrier using communication network, according to message own content and
Attribute side reflects network connection and operating status, for further grasp network state need in conjunction with communication network device state into
Row analysis.
IEC61850 establishes unified equipment descriptive model to substation communication network equipment and specification is expressed, layering,
The information model structure principle of classification provides comprehensive, effective, specification monitoring object, in monitoring for operating personnel and monitoring device
Appearance and form of presentation are the preconditions of state of communication network of intelligent transformer station monitoring.Currently, mainly being carried in IEC61850 standards
Supplied the secondary devices information model such as protection and observing and controlling, be mainly used for intelligent electronic device (IED) physical state description, and to
In the opposite shortage of the information model of communication network status monitoring, communication network IED equipment and interchanger analyze network state
Effect should be had by not playing.
Therefore, substation communication network state on_line monitoring system proposed by the present invention combines on the basis of message monitors
IED equipment further promotes the control ability to communication network status, interchanger and IED equipment states with interchanger monitoring content
Monitoring content and analysis are as shown in table 4.
4 device status monitoring content of table and analysis
To obtain interchanger and IED status information of equipment, communication network status monitors system and interchanger and IED equipment rooms
It is communicated.Fig. 2 is the communication mould of substation communication network state on_line monitoring system and the network equipment in the present embodiment
Type schematic diagram, in Fig. 2, substation communication network state on_line monitoring system (client) and communication network device (server) it
Between use Client/Server, communication service includes：
The services such as Assocaite, Abort and Release are used for bilateral association；
GetServerDirectory, GetLogicalDeviceDirectory, GetLogicalNodeDirectory,
The services such as GetDataDirectory and GetDataDefinition are used for directory access；
The clothes such as GetDataSetValues, GetDataSetDirectory, GetDataValues and SetURCBValues
Business is uploaded for monitoring data alarm, calling, period.
For network performance, COMMUNICATION NETWORK PERFORMANCES is the data target of direct reaction network state and secondary system
The important evidence of system design and maintenance work.COMMUNICATION NETWORK PERFORMANCES index generally includes flow load rate, message delay, packet loss
Rate, the bit error rate and convergence etc., wherein be that flow load rate and message prolong for two mostly important performance indicators of substation
When, it accurately calculates all kinds of situation down-offs of network and delay distribution and Study on Tuning network failure situation down-off and delay changes
Situation is of great significance for the timely perception and control of network failure situation.
Intelligent substation communication network protection control mainly with device status monitoring content, exchange message monitoring content and
Overall performance of network index is operating criterion, however intelligent substation communication network lacks normal and unusual condition lower network at present
The calculating analysis means of performance indicator, lack the evaluation method of network device state, can not be provided for communication network protection seting
In detail, accurately network performance and equipment state description.In the present embodiment, for effectively analysis network analysis status monitoring region 2
Actual measured value, network normal operation and failure operation state lower network performance indicator need to be adjusted, the present invention use
A kind of network performance state analysis method of network performance monitoring and setting management phase separation, referring specifically to Fig. 3.Fig. 3 is this reality
Apply the concrete structure schematic diagram of network state management module in example.In Fig. 3, network state management module 15 includes that the network information is defeated
Enter module 150, message rate analysis module 151, triggering analysis module 152, Network topology module 153, VLAN point
Analyse module 154, message length analysis module 155, message distribution calculation module 156, flow load computing module 157, service song
Line computation module 158, arrival curve computing module 159, delay distribution calculation module 160 and network information output module 161；Its
In, network information input module 150 and message distribution calculation module 156 are divided with message rate analysis module 151, triggering
It analyses module 152, Network topology module 153, VLAN analysis modules 154 and message length analysis module 155 to connect, flow is negative
It carries computing module 157 to connect with message rate analysis module 151 and message distribution calculation module 156 respectively, service curves calculate
Module 158 connects with message rate analysis module 151, message distribution calculation module 156 and message length analysis module 155 respectively
Connect, arrival curve computing module 159 is connect with message distribution calculation module 156 respectively, delay distribution calculation module 160 respectively with
Service curves computing module 158 and arrival curve computing module 159 connect, and network information output module 161 is negative with flow respectively
It carries computing module 157 and delay distribution calculation module 160 connects；Network information input module 150 is for inputting network topology knot
Structure, message length, packet sending speed, VLAN is divided and triggering information；Network information output module 161 is for exporting network flow
Amount load and maximum delay distributed intelligence.
In conjunction with Fig. 1 and Fig. 3, in the present embodiment, using network essential information adaptive setting network performance index, knot will be adjusted
Fruit and the real-time monitoring content comparative analysis network state of network analyzing apparatus.It is as shown in table 5 internetworking in network analyzing apparatus
It can monitoring content and analysis.
5 network performance monitoring content of table and analysis
Substation communication network state on_line monitoring system proposed by the present invention and adjusting for monitoring content can effectively be helped
It helps operations staff to obtain communication network status, provides initial data for communication network protection control, effectively improve communication network
Control ability and reliability.The present invention substation communication network state on_line monitoring system using monitoring with control phase separation,
Distributed observing and controlling adjusts the mode being combined with centralization, to all kinds of message characteristics of IEC61850 and demand and from message level and
Two levels of macroscopic flux establish the intelligent substation communication network monitoring system of multi-angle.Substation in the present embodiment
Communication network status on-line monitoring system is combined using network communication record with on-line analysis, distributed node message accounting controls
The design concept being combined, converged network node flow and delay fault setting algorithm are adjusted with centralized flow, is established full
Sufficient intelligent substation requires communication network and has the substation communication network monitoring technique of online protection control ability.
The invention further relates to a kind of substation communication network state on_line monitoring method, flow chart is as shown in Figure 4.Fig. 4
In, which includes the following steps：
Step S001 initializes substation communication network state online monitoring system：In this step, initialization substation is logical
Communication network state online monitoring system.How to be initialized about in this step, subsequently will be described in detail.
Step S002 substation communication network state online monitoring system mirror images obtain network communication message, parse and count
Network flow and message delay：In this step, when network normal operation, substation communication network state online monitoring system mirror image
Network communication message is obtained, simultaneously network flow calculation and message delay are parsed.
Step S003 sentences the real-time distributed monitoring data input state determinating area of network, message reasonability determination module
The message of disconnected input is with the presence or absence of abnormal：In this step, by the real-time distributed monitoring data input state determinating area of network, report
Literary reasonability determination module judges the message of input with the presence or absence of exception, that is, judges that the message of input is compiled with the presence or absence of message
Code mistake or the abnormal conditions such as timing error, if it is determined that result be yes, then follow the steps S004；Otherwise, step is executed
S005。
Step S004 will judge that result is input to Network status determination module：If the judging result of above-mentioned steps S003 is
It is then to execute this step.In this step, judgement result is input to Network status determination module, this step has been executed, has executed step
Rapid S011.
Step S005 carries out equipment state judgement：If the judging result of above-mentioned steps S003 is no, this step is executed.
In this step, equipment state judgement is carried out.This step has been executed, step S006 is executed.
It carries out communicating between step S006 substation communication network state on_line monitoring systems and monitored equipment and obtains mesh
Monitoring content is marked, and target monitoring content and the content of equipment state management module are compared, judges whether to occur abnormal
Situation：It carries out communicating in this step, between substation communication network state on_line monitoring system and monitored equipment and obtains target
Monitoring content, and target monitoring content and the content of equipment state management module are compared, judge whether abnormal feelings occur
Condition, if it is determined that result be yes, then follow the steps S007；Otherwise, step S008 is executed.
Step S007 will judge that result is input to Network status determination module：If the judging result of above-mentioned steps S006 is
It is then to execute this step.In this step, judgement result is input to Network status determination module, this step has been executed, has executed step
Rapid S011.
Step S008 carries out network performance judgement：If the judging result of above-mentioned steps S006 is no, this step is executed.
In this step, network performance judgement is carried out.This step has been executed, step S009 is executed.
Step S009 compares network flow and message delay with network performance setting valve respectively, judges whether occur
Abnormal conditions：In this step, network flow and message delay are compared with network performance setting valve respectively, judge whether
Existing abnormal conditions, that is, actual measurement gained network node flow and delay are compared with network performance setting valve, determine whether
Occur abnormal conditions, if it is determined that result be yes, then follow the steps S010；Otherwise, step S011 is executed.
Step S010 will judge that result is input to protection control module：If the judging result of above-mentioned steps S009 is yes,
Then execute this step.In this step, judgement result is input to protection control module.This step has been executed, step S011 is executed.
Step S011 judges whether the network topology that condition managing region is originally inputted and message physical message change：
In this step, judge whether network topology that condition managing region is originally inputted and message physical message change, if hair
Changing, then return to step S001；Otherwise, return to step S002.It is monitored in real time due to being, so it has on-line monitoring and i.e.
When protective capability, intelligent substation can be met for communication network reliability requirement.It is noted that above-mentioned parsing content packet
Include message APPID, state StNum and sequence number SqNum.
For the present embodiment, above-mentioned steps S001 can also be refined further, flow chart such as Fig. 5 institutes after refinement
Show.In Fig. 5, above-mentioned steps S001 further comprises：
Step S101 arranges substation communication network state on_line monitoring system in a communication network：In this step, logical
Substation communication network state on_line monitoring system is arranged in communication network.
Step S102 is by parsing SCD file, communication network physical message inputs and network performance has been adjusted
At message status management module, the information input of equipment state management module and network performance management module：In this step, pass through
SCD file is parsed, the input of communication network physical message and network performance are adjusted etc. and to be reported in completion statuses management region 1
The information input of literary state management module 13, equipment state management module 14 and network state management module 15.
In short, in the present embodiment, construct that a kind of function division, state be independent, communication network of transformer substation of information sharing
Network state on_line monitoring system is supervised real time data by monitoring the content of message status, equipment state and network performance
Survey, state information management, facility information immediately calling be combined, more accurate reflection network state while, disclosure satisfy that
Different communication network protects the initial data demand of control function.Its mode monitored on-line and controlled immediately changes original prison
The failure analysis methods that survey record is combined with off-line analysis, efficiently solve recorded message waste and fault recovery is waited and lacked slowly excessively
Point.Its basic function subregion and condition managing separation communication network status on-line monitoring system can complete independently network it is real-time
The functions such as data acquisition, network status data calling, network state management, network state judgement.The substation communication network shape
State on-line monitoring system and method meet communication network and are adjusted to the real time data and state of fault verification and network protection
Information requirement, largely reduce electrical secondary system operation maintenance personnel work while, significantly improve substation communication network
Reliability and controllability.By being monitored parsing to regulation monitoring content, and content comparative analysis is managed with corresponding state, it can
Online or even advanced judgement is carried out to network operation situation or defect content, can effectively evade network and continue unrecoverable failure
Caused message dropping and network paralysis problem.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of substation communication network state on_line monitoring system, which is characterized in that including condition managing region, status monitoring
Region and state determinating area, the condition managing region by learn communication network physical arrangement information, in conjunction with IEC61850
Defined all kinds of messages are given out a contract for a project network flow computational methods, the adaptive setting communication network traffic fault actions threshold of rule and setting
Value；The status monitoring region is connected with the condition managing region, for each port of all interchangers to be exchanged message in real time
Mirror image is monitored in real time to the substation communication network state on_line monitoring system, and to message, equipment and network performance,
And obtained network measured discharge is input to the state determinating area, while by carrying out parsing to message and will be in parsing
Appearance is transmitted to the state determinating area；The state determinating area respectively with the condition managing region and status monitoring region
Connection, for according to the parsing content by monitor the reasonability of message sequential and message coding carry out preliminary fault verification,
And by the way that the network measured discharge and network flow fault actions threshold value are compared, with carry out network failure positioning,
Control and recovery；
The equipment includes interchanger and IED equipment, and the status monitoring of the interchanger includes address table monitoring, logical cyclic ring network prison
It surveys, the monitoring of the monitoring of switch memory and supply voltage；The status monitoring of the IED equipment includes the prison of Parallel Redundancy Protocol
The monitoring with clock sync message is surveyed, the monitoring of the network performance includes flow distribution monitoring and delay distribution monitoring；
The monitoring of described address table is that mac address table is not duplicated with IP address table；The logical cyclic ring network monitoring is by generating
Tree protocol, without logical cyclic ring network in network；The monitoring of the switch memory is that switch memory utilization rate is no more than specified value；Institute
The monitoring for stating supply voltage is exchanger power voltage within the scope of 0.8~1.1V of rated value；The prison of the Parallel Redundancy Protocol
Survey includes that monitored node MAC Address conflict does not occur, finally receives monitored node message time no more than specified value and hair
Redundant message quantity is sent not to be inconsistent with normal operation message amount；The monitoring of the clock sync message is transmitted for clock sync message
Delay is no more than specified value；
Client/server model, communication are used between substation communication network state on_line monitoring system and communication network device
Service includes：
Assocaite, Abort and Release are used for bilateral association；
GetServerDirectory, GetLogicalDeviceDirectory, GetLogicalNodeDirectory,
GetDataDirectory and GetDataDefinition is used for directory access；
GetDataSetValues, GetDataSetDirectory, GetDataValues and SetURCBValues are for monitoring
Data alarm, calling, period upload.
2. substation communication network state on_line monitoring system according to claim 1, which is characterized in that in the parsing
Appearance includes message APPID, state StNum and sequence number SqNum.
3. substation communication network state on_line monitoring system according to claim 2, which is characterized in that the state pipe
It includes network physical MIM message input module, SCD file parsing module, message status management module, equipment state management to manage region
Module and network state management module, the network physical MIM message input module are connect with information interactive bus, for learning to lead to
Communication network physical arrangement information, the SCD file parsing module connect with described information interaction bus, for SCD file into
Row parsing, the message status management module is connect with described information interaction bus, for being managed to message status, described
Equipment state management module is connect with described information interaction bus, for being managed to equipment state, the network state pipe
Reason module is connect with described information interaction bus, for being managed to network state.
4. substation communication network state on_line monitoring system according to claim 3, which is characterized in that the state prison
It includes network message mirror module, flow delay statistical module and packet parsing module, the network message mirror image mould to survey region
Block for each port of all interchangers to be exchanged message mirror to the substation communication network state on_line monitoring system in real time,
The flow delay statistical module is connect respectively with the network message mirror module and information interactive bus, in real time to logical
The flow and message delay of communication network device port are counted, the packet parsing module and the flow delay statistical module
It connects, for carrying out parsing to message and parsing content being transmitted to the state determinating area.
5. substation communication network state on_line monitoring system according to claim 4, which is characterized in that the state is sentenced
It includes message reasonability determination module, equipment state determination module, Network status determination module and protection control module to determine region；
The message reasonability determination module is connect respectively with the packet parsing module and information interactive bus, for according to the solution
It analyses content and carries out message reasonableness check by monitoring message sequential and message coding；The equipment state determination module respectively with
The message reasonability determination module connects with information interactive bus, judges for the state to equipment；It is described network-like
Condition determination module is connect with described information interaction bus, for judging Network status；The protection control module difference
It is connect with the message reasonability determination module, Network status determination module and equipment state determination module, in communication network
Protection control is carried out when network abnormal state.
6. the substation communication network state on_line monitoring system according to claim 3 to 5 any one, feature exist
In the network state management module includes network information input module, message rate analysis module, triggering analysis mould
Block, Network topology module, VLAN analysis modules, message length analysis module, message distribution calculation module, flow load meter
Module, service curves computing module, arrival curve computing module, delay distribution calculation module and network information output module are calculated,
The network information input module and message distribution calculation module analyze mould with the message rate analysis module, triggering
Block, Network topology module, VLAN analysis modules are connected with message length analysis module, the flow load computing module point
Do not connect with the message rate analysis module and message distribution calculation module, the service curves computing module respectively with it is described
Message rate analysis module, message distribution calculation module are connected with message length analysis module, the arrival curve computing module
Connect respectively with the message distribution calculation module, the delay distribution calculation module respectively with the service curves computing module
It is connected with arrival curve computing module, the network information output module divides with the flow load computing module and delay respectively
Cloth computing module connects；The network information input module for input network topology structure, message length, packet sending speed,
VLAN is divided and triggering information；The network information output module is for exporting network traffic load and maximum delay distribution
Information.
7. substation communication network state on_line monitoring system according to claim 6, which is characterized in that the message packet
Heartbeat GOOSE message, sampled value SV messages and MMS messages are included, the MMS messages include MMS Initial messages, MMS operation reports
Text and MMS terminate message；The monitoring content of the heartbeat GOOSE message includes message integrality, message compliance, message transmission
Time, test serial number and subscribing relationship；The monitoring content of the sampled value SV messages include message integrality, message compliance,
Message sends interval, test serial number and subscribing relationship；The monitoring content of the MMS Initial messages includes service content, response
Delay and response service；The monitoring content of the MMS operations message includes message integrality, test serial number, data traffic, data
Parameter and message transmissions delay；The monitoring content that the MMS terminates message includes termination message.
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| CN105515180B (en) * | 2015-07-14 | 2018-08-28 | 国家电网公司 | A kind of intelligent substation communication network dynamic monitoring system and its monitoring method |
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