CN101316051A - Internetwork communication log analysis system and method based on IEC61850 transforming plant automatization system - Google Patents
Internetwork communication log analysis system and method based on IEC61850 transforming plant automatization system Download PDFInfo
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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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
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- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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Abstract
The invention relates to a network communication recording analysis system which is based on an IEC61850 substation automation system, comprising a plurality of interception ports, an information recording equipment and an information analysis equipment, wherein, a plurality of interception ports are respectively arranged on each communication path of the automation system and lead the received and sent messages on each communication path of the automation system to be accessed in the information recording equipment; the information recording equipment reads the received and sent messages from each interception port and periodically memorizes the received and sent messages as message files, and transmits the file names of the message files to the information analysis equipment; the information analysis equipment reads the required message files from the information recording equipment according to the file names of the message files, analyses the messages in the read message files, judges whether the messages comply with the IEC61850 standard and displays the messages which do not comply with the IEC61850. The invention also relates to a network communication recording analysis method on the basis of the IEC61850 substation automation system.
Description
Technical field
The present invention relates to the IEC61850 electric substation automation system, particularly relate to a kind of analyzing network communication record system and method based on the IEC61850 electric substation automation system.
Background technology
Background monitoring, unattended concentrator station and the remote signalling of dispatching automation main station system often take place or situations such as incident is imperfect, remote control unsuccessful, measurement transition in the uniting and adjustment of tradition electric substation automation system and in service.When the reactive voltage that occurs in the control of a distant place or local automated closed-loop when these situations was controlled (AVQC), automatic generation control systems such as (AGC) automatically, its seriousness was just more outstanding.Practice shows, these situations mostly since communication failure cause, yet owing to lack the effective technology means, therefore the communication process when can't the reproduction problem taking place often is difficult to problem is judged, located and handles.
And along with the development of digital transformer substation, the communication technology more and more becomes the key of the automation of transformation substations, for example based on the electric substation automation system of IEC61850 standard.Wherein, the IEC61850 standard is based on the international standard of the electric substation automation system of universal network communication platform; in this substandard electric substation automation system; the functions such as breaker tripping and closing of connection locking, relaying protection and the automatics of supervisory control system all adopt network communication mode to realize; traditional secondary circuit is converted to the network service process by cable connection directly perceived, and the connection of various signals and transmission change communication modes into by traditional hardwire mode and realize.Particularly along with the appearance of the totally digitilized transformer station of applying electronic formula electric current, voltage transformer and intelligent breaker product, the design of electric substation automation system, installation, debugging and operation maintenance will produce deep change, and system moves the communication that places one's entire reliance upon.At this moment, traditional malfunction elimination means can't meet the demands especially, and the communication process mistake is difficult to reproduce.
Therefore, at electric network fault, when automated system is unusual, how to reappear the overall process of automation system network communication, and then this communication process analyzed at many levels, so that accurate, the timely fault location reason of standby maintenance personnel has become the problem that the IEC61850 electric substation automation system presses for solution.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, a kind of analyzing network communication record system and method based on the IEC61850 electric substation automation system is provided, to reappear the overall process of this electric substation automation system network service, and then communication process analyzed at many levels, so that standby maintenance personnel fault location reason accurately and timely.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of analyzing network communication record system based on the IEC61850 electric substation automation system is provided, comprise: comprising: a plurality of listening ports, information-recording apparatus and information analysis equipment, wherein, described a plurality of listening port is arranged at respectively on each communication path of described automated system, and the sending and receiving message on each communication path of this automated system is inserted described information-recording apparatus; Described information-recording apparatus reads the described sending and receiving message from each listening port, periodically the sending and receiving message that is read is stored as the message file, and the filename of message file is sent to described information analysis equipment; Described information analysis equipment reads required message file according to the filename of message file from described information-recording apparatus, and analyze message in the message file read, judge whether it meets the IEC61850 standard, and whether have other mistakes and hidden danger, and association message information is shown.
Described listening port comprises that serial ports listening port, Ethernet listening port and the CAN net listening port be located at respectively on serial communication path, ethernet communication path and the CAN Netcom letter path are one of at least.
Power Entry Module, processing and cache module, memory module, communication module and gps clock module that described information-recording apparatus comprises control module and is subjected to this control module control, wherein said Power Entry Module connects external power supply; Described processing and cache module are connected to described each listening port, read sending and receiving message on each communication path of described automated system through each listening port, the sending and receiving message that read is added after the markers its buffer memory, and under the control of described control module, periodically the message of institute's buffer memory is formed the message file, deposit this message file in described memory module; Described communication module is sent to described information analysis equipment with the filename of the message file of described memory module storage, and receives the message commands that reads of this information analysis equipment, and corresponding message file is sent to described information analysis equipment; Described gps clock module inserts external clock reference.
Described information-recording apparatus also comprises the unusual output module of the operation conditions that is used to export this information-recording apparatus and is used to show first display module of the operating state of described each module of information-recording apparatus.
Described information analysis equipment comprises the message document processing module, the MMS message processing module (MPM), the GOOSE/SMV message processing module (MPM), the ACSI processing module and second display module, wherein, described message document processing module receives and reads required message file according to the filename of message file from described information-recording apparatus, message in the message file is carried out the link layer analysis, this link layer analysis comprises judges whether it meets the link layer protocol requirement, and be MMS message or GOOSE/SMV message according to this message, it is sent into corresponding MMS message processing module (MPM) or GOOSE/SMV message processing module (MPM); Described MMS message processing module (MPM) is carried out networking layer analysis and communication process analysis to the MMS message that is received, and judges whether this MMS message meets the requirement of MMS application protocol, and the MMS message that will meet the requirement of MMS application protocol is sent into described ACSI processing module; Described GOOSE/SMV message processing module (MPM) is carried out the communication process analysis to the GOOSE/SMV message that is received, judge whether this GOOSE/SMV message meets the requirement of GOOSE/SMV application protocol, and the GOOSE/SMV message that will meet the requirement of GOOSE/SMV application protocol is sent into described ACSI processing module; Described ACSI processing module is carried out applied analysis to the message that is received, this applied analysis comprises judges whether the entrained information of single message meets the configuration file requirement of IEC61850 transformer station, and judge whether the message application process meets the IEC61850 standard, and whether have other mistakes and hidden danger, and association message information is shown; Described second display module is used to the message that does not meet corresponding requirements that shows that described each processing module of information analysis equipment is analyzed.
The present invention also provides a kind of analyzing network communication record method based on the IEC61850 electric substation automation system, comprises the following steps:
(1) information-recording apparatus reads sending and receiving message on each communication path of this automated system through being located at each listening port on each communication path of described automated system, periodically the sending and receiving message that is read is stored as the message file, and the filename of message file is sent to information analysis equipment;
(2) described information analysis equipment reads required message file according to the filename of message file from described information-recording apparatus, and analyze message in the message file read, judge whether it meets the IEC61850 standard, and whether have other mistakes and hidden danger, and association message information is shown.
Described analyzing network communication record method further comprises before in step (1):
On each communication path of described automated system listening port is set, the corresponding serial communication path of this listening port, ethernet communication path and CAN Netcom letter path comprise serial ports listening port, Ethernet listening port and CAN net listening port.
Described step (1) further comprises:
(11) information-recording apparatus reads sending and receiving message on each communication path of described automated system through described each listening port;
(12) be that each message that is read adds markers, and buffer memory target message when having added;
(13) whenever the buffer memory message reaches preset buffer memory during the time,, store formed message file, and the filename of this message file is sent to information analysis equipment message file of message formation of this preset buffer memory buffer memory in the time.
Analyze message in the message file that is read in the described step (2), judge whether it meets the IEC61850 standard and further comprise:
(21) message in the described message file is carried out the link layer analysis, judge whether described message meets the link layer protocol requirement;
(22) according to the application protocol of correspondence this message is carried out corresponding analysis according to the type of message of described message, judge whether it meets corresponding protocol requirement;
(23) described message is carried out applied analysis, judge whether single message and message application process meet configuration file requirement of IEC61850 transformer station and IEC61850 standard respectively, and whether have other mistakes and hidden danger.
Described message is the MMS message, and corresponding agreement is the MMS application protocol, and described step (22) further comprises:
(221) described message is carried out the network layer analysis, judge whether its information type is legal, and carry out topological analysis, judge whether the IP address of described message is legal, whether port numbers legal;
(222) communication process of described message is analyzed, this analysis comprises break-make analysis and the analysis of message continuity.
Described message is the GOOSE/SMV message, and corresponding agreement is the GOOSE/SMV application protocol, and described step (22) comprises to be analyzed the communication process of described message, and this analysis comprises break-make analysis and the analysis of message continuity.
Described step (23) further comprises:
(231) analyze single message: judge whether the entrained information of single message meets the configuration file requirement of IEC61850 transformer station;
(232) analyze the message application process, comprising:
Define the message that the application-specific process is comprised according to type of message, message data information and message temporal information;
Whether the application process of judging the message that is defined meets the IEC61850 standard, and whether has other mistakes and hidden danger.
The present invention is by intercepting, write down and analyze based on the communication information in the IEC61850 electric substation automation system running, can reappear the overall process of this electric substation automation system network service, further the network service process is analyzed at many levels simultaneously, so that the standby maintenance personnel accurately and timely locate the failure cause of electric substation automation system, eliminate the potential safety hazard that electric substation automation system exists.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on the analyzing network communication record system of IEC61850 electric substation automation system.
Fig. 2 is a schematic diagram of being located at the serial ports listening port on the serial communication path that adopts differential transfer mode transport communication message.
Fig. 3 is a schematic diagram of being located at the serial ports listening port on the serial communication path that adopts single-ended communication mode transport communication message.
Fig. 4 is a schematic diagram of being located at the listening port on the optical communication path.
Fig. 5 be light signal on the optical communication path in Fig. 4 behind the listening port by the schematic diagram of optical splitter beam split.
Fig. 6 is the structural representation of information-recording apparatus of the present invention.
Fig. 7 is the structural representation of information analysis equipment of the present invention.
Fig. 8 is the flow chart that the present invention is based on the analyzing network communication record method of IEC61850 electric substation automation system.
Fig. 9 is the flow chart of the message on each communication path of record automated system in the analyzing network communication record method of the present invention.
Figure 10 is the flow chart of the message on each communication path of analysis automated system in the analyzing network communication record method of the present invention.
Embodiment
As shown in Figure 1, the analyzing network communication record system that the present invention is based on the IEC61850 electric substation automation system comprises a plurality of listening ports 10, information-recording apparatus 20 and information analysis equipment 30.
Wherein, a plurality of listening ports 10 are arranged at respectively on this each communication path of IEC61850 electric substation automation system, and the sending and receiving message on each communication path of this automated system is inserted present networks communications records analytical system.
This listening port 10 includes, but not limited to serial ports listening port 11, Ethernet listening port 12 and CAN net (Controller Area Network, controller local area network) listening port 13 according to the difference of set automated system communication path.Each listening port 10 all disposes ID, port numbers etc.Wherein serial ports listening port 11 is located in the serial communication path, for the serial communication path that adopts differential transfer (claiming balance transmission again) mode transport communication message, as shown in Figure 2, for example RS422, RS485 serial communication path, because it adopts bus mode to carry out message transmissions, this serial ports listening port 11 is for being located at a node on the bus, with the message access network communications records analytical system on this bus; For the serial communication path that adopts single-ended communication (claiming uneven transmission again) mode transport communication message, as shown in Figure 3, RS323 serial communication path for example, because it adopts different passages to carry out the message sending and receiving, and the message signals in the sending and receiving passage all is relative signal ground, so a serial ports listening port 11 is set respectively on the sending and receiving passage, inserts the sending and receiving message respectively, intercept when realizing, thereby communication message is carried out complete intercepting the sending and receiving message.Insert the restriction that the sending and receiving message is not subjected to communication protocol by serial ports listening port 11, whole original communication process in can block row communication path can be with communication abnormality data, sequential abnormal data, unrelated interruptions data integrity access network communications records analytical system.Each serial ports listening port 11 all disposes ID and string slogan.
Ethernet listening port 12 is located in the ethernet communication path, when the network switch of automated system has the port mapping function, distribute a communication interface as this Ethernet listening port 12 by this network switch, and have at this network switch under the situation of the communication interface that a plurality of need intercept, this network switch all is mapped to this Ethernet listening port 12 with the data of these communication interfaces, inserts this analyzing network communication record system by this Ethernet listening port 12.In theory, the speed of set Ethernet listening port 12 need be intercepted communication interface speed sum greater than each.When the network switch portless mapping function of automated system, then Ethernet listening port 12 is located on the ethernet communication path, through ignition distributor the sending and receiving message on the communication path is inserted this analyzing network communication record system.Ethernet listening port 12 is with the sending and receiving message access network communications records analytical system of Ethernet link layer, so that this analyzing network communication record system is write down and analyze the complete procedure of designated communication.Can select the rule of network message filtering, make Ethernet listening port 12 the interaction data bag access network communications records analytical system on assigned ip address, the designated port.Ethernet listening port 12 directly inserts the packet based on IP communication protocol, and it is irrelevant with the application layer protocol that adopts, can the record communication abnormal data, sequential abnormal data, unrelated interruptions data even network attack data, therefore also can the network security of Ethernet be monitored, for the safety of phase-split network provides reliable data information.Each Ethernet listening port 12 all disposes ID, network equipment title and packet filtering condition.
CAN net listening port 13 is located in the CAN Netcom letter path, is positioned on the CAN bus, and the message on the CAN bus is inserted this analyzing network communication record system, can adopt twisted-pair feeder as signal transmission medium.Because the CAN bus is supported the communication mode of one-to-many, so CAN net listening port can insert the sending and receiving message of main website and a plurality of substations in the CAN net, and this message data is not subjected to the restriction of agreement, can complete documentation proper communication data and communication abnormality data, sequential abnormal data, unrelated interruptions data.Each CAN net listening port 13 all disposes ID and CAN network No..
When above-mentioned communication path adopts optical fiber to realize network service, particularly when the network switch portless mapping function of automated system, can adopt light to intercept mode listening port 10 is set.As shown in Figure 4, owing to adopt different passages to carry out the message sending and receiving in an optical communication path, thus need a listening port 10 is set respectively on the sending and receiving passage, in order to insert the sending and receiving message respectively.Because of the message in each passage transmits with the light signal form, so also need to be divided into two-way according to the light splitting technology basic principle through optical splitter through the light signal of each listening port 10, one tunnel access is former in snooping equipment, by original route transmission; This analyzing network communication record system is then inserted on another road, as shown in Figure 5.This listening port 10 can be selected dissimilar passive optical splitters for use according to being monitored network fiber type (multimode, single mode) and traffic rate (10M/100M/1000Mbps).
Analyzing network communication record of the present invention system can be according to actual needs, be actual physical interface for example low rate MODEM analog signal switching serial ports, two-forty Ethernet electricity mouth and the light mouth etc. of intercepting, freely dispose in the above-mentioned listening port partly or entirely, these listening ports can directly be arranged at the communication interface place of each communication path of automated system, intercept the signal of communication (sending and receiving message) of this communication interface in the automated system running, the signal of communication (sending and receiving message) of being intercepted is not produced and disturb.For example, serial ports listening port 11 is arranged at each serial line interface of automated system, from each serial line interface shunting, the shunting design can be intercepted signal of communication to prevent to drag down less than 60uA, and intercepted signal of communication to prevent to disturb with each serial line interface electrical isolation, avoid being impacted, can self adaptation be intercepted traffic rate simultaneously, to avoid owing to being intercepted the recording exceptional that the traffic rate adjustment causes to intercepting the serial communication level.
Sending and receiving message on each communication path of IEC61850 electric substation automation system carries out the continuous whole non-loss recording via the information-recording apparatus 20 of each listening port 10 access analyzing network communication record of the present invention system by this information-recording apparatus 20.As shown in Figure 6, this information-recording apparatus 20 comprises control module 21, Power Entry Module 22, processing and cache module 23, memory module 24, communication module 25, gps clock module 26, unusual output module 27 and first display module 28, and these modules also can be configured according to actual needs.
Wherein, the operation of control module 21 control Power Entry Modules 22, processing and cache module 23, memory module 24, communication module 25, gps clock module 26, unusual output module 27 and first display module 28; and monitor the running status of these modules; occur unusual or information-recording apparatus 20 can't restart during operate as normal in these modules, to improve the stability of a system.
Power Entry Module 21 inserts this information-recording apparatus 20 with external power supply.
Processing and cache module 23 are by each listening port 10, comprise serial ports listening port 11, Ethernet listening port 12 and CAN net listening port 13, read the sending and receiving message on each communication path of IEC61850 electric substation automation system, all messages that read are added after markers its buffer memory, and under the control of control module 22, periodically the buffer memory message is formed a message file, deposit memory module 24 in.Further specify, whenever handling and cache module 23 buffer memory messages reach the preset buffer memory time for example 10 minutes the time, processing and cache module 23 form a message file with the message of this preset buffer memory buffer memory in the time under control module 22 indications, be message file of formation in per 10 minutes, and deposit this message file in memory module 24.Each message file can come source port and time scale information etc. to name according to it.
Memory module 24 is used for the message file according to continuous stores processor of the instruction of control module 22 and cache module 23 formation, guarantees message is carried out uninterrupted recording.This memory module 24 detects its operating state and memory capacity by control module 22, and the priority according to writing time is deleted the message file of being stored when its memory capacity reaches predetermined value.
Communication module 25 is used to realize communicating by letter between information-recording apparatus 20 and the information analysis equipment 30.Message file of memory module 24 every storages, all the filename with this message file is sent to information analysis equipment 30 through communication module 25.When this communication module 25 receive information analysis equipment 30 read message commands the time, this order is sent to control module 21, read required message file according to order indication communication module 25 from memory module 24 by this control module 21, and this message file is sent to information analysis equipment 30.
Gps clock module 26 can insert external clock reference, with acceptance criteria clock and update system time.This external clock reference can be outside 485 serial clock signals and pulse clock signal, the clock synchronization error: in the calibration cycle＜and 1ms.
Unusual output module 27 is used to export the operation conditions of this information-recording apparatus 20, particularly when control module 21 detects these information-recording apparatus 20 each modules and has the misoperation situation, exports the indication information of these information-recording apparatus 20 faults.For example, in information-recording apparatus 20 operations just often, unusual output module 27 output high level; When control module 21 detected information-recording apparatus 20 each module and has the misoperation situation, unusual output module 27 was by control module 22 control output low levels.So after this information-recording apparatus 20 put into operation, when operation troubles having occurred owing to a variety of causes, the output signal that can gather this unusual output module 27 by measure and control device was notified distant place system.
Information-recording apparatus 20 also can further pass through first display module 28, adopts modes such as panel leds, display screen to show the operating state of each module.In addition, this first display module 28 also can be established device power indicator light, equipment operation indicator light and equipment fault indicator light etc. in addition to show the operation conditions of whole information-recording apparatus 20.
Information analysis equipment 30 reads required message file from information-recording apparatus 20, and the message in the message file analyzed, judge whether it meets the IEC61850 standard and whether have other mistakes and hidden danger, and the message that association message information does not for example meet the IEC61850 standard is shown.As shown in Figure 7, this information analysis equipment 30 comprises message document processing module 31, MMS (ManufacturingMessage Specification, the manufacturing message specification) message processing module (MPM) 32, GOOSE/SMV (GenericObject Oriented Substaion Event/Sampled Measured Values, transformer substation case/sampled measurement towards general object) message processing module (MPM) 33, ACSI (Abstract Communication ServiceInterface, Abstract Common Service Interface) processing module 34 and second display module 35.
Wherein message document processing module 31 reads required message file from information-recording apparatus 20, and the message in the message file carried out the link layer analysis, judge whether message meets the link layer protocol requirement, analyzes promptly whether message is complete, whether message address is legal and judges its type of message EtherType whether the IEC61850 standard is allowed.Imperfect at message, message address is illegal or type of message be not the IEC61850 standard allowed EtherType the time, classify this message as error message, identify its type of error, and in second display module 35, shown.For error message, do discard processing; For correct message, 31 type of messages according to message of message document processing module are MMS message or GOOSE/SMV message, and it is sent into corresponding MMS message processing module (MPM) 32 or GOOSE/SMV message processing module (MPM) 33.
After MMS message processing module (MPM) 32 receives the MMS message, this MMS message is carried out networking layer analysis and communication process analysis, judge whether this MMS message meets the requirement of MMS application protocol: at first, the MMS message is carried out the network layer analysis, judge whether its information type is legal, and carry out topological analysis, judge whether MMS message IP address is legal, whether port numbers is legal; Secondly, the communication process of MMS message is analyzed, comprised break-make analysis and the analysis of message continuity.In analytic process, no matter be that it is carried out in the process of network layer analysis or carries out in the process that communication process analyzes, do not meet the requirement of MMS application protocol if judge the MMS message, then classify this MMS message as error message, identify its type of error, and in second display module 35, shown.For error message, if the erroneous effects subsequent treatment, after then identifying, MMS message processing module (MPM) 32 is directly handled next message; For correct message, 32 of MMS message processing module (MPM)s are sent it into ACSI processing module 34.
Similarly, after GOOSE/SMV message processing module (MPM) 33 receives the GOOSE/SMV message, this GOOSE/SMV message is carried out the communication process analysis, judge whether this GOOSE/SMV message meets the requirement of GOOSE/SMV application protocol, promptly the communication process of GOOSE/SMV message is analyzed, comprised break-make analysis and the analysis of message continuity.In analytic process, if judging the GOOSE/SMV message does not meet the requirement of GOOSE/SMV application protocol, then classify this GOOSE/SMV message as error message, identify its type of error, and in second display module 35, shown.For error message, if the erroneous effects subsequent treatment, after then identifying, GOOSE/SMV message processing module (MPM) 33 is directly handled next message; For correct message, 33 of GOOSE/SMV message processing module (MPM)s are sent it into ACSI processing module 34.
ACSI processing module 34 is carried out applied analysis to it after receiving the message of MMS message processing module (MPM) 32 and 33 transmission of GOOSE/SMV message processing module (MPM).At first, single message is analyzed, (SCD, Staging Configuration Directory) judges whether the entrained information of message is complete, correct according to IEC61850 transformer station configuration file.Secondly, the message application process is analyzed, these application processes include, but not limited to initialization procedure, control operation process, definite value operating process.When the message application process is analyzed, at first the message application process is defined, just define the message that the application-specific process is comprised according to type of message, message data information and message temporal information; Treat that the message application process is defined the back to be analyzed this application process, whether complete according to IEC61850 standard discriminatory analysis application process, whether meet the related type of message of logic and each step of application process and message information whether correctly, whether meet logic.Carry out in the process of applied analysis at 34 pairs of messages of ACSI processing module, if judge single message or there is mistake in the message application process, then will this single message or the related message of message application process classify error message as, identify its type of error, and in display module 35, shown.
Second display module 35 and first display module 28 can adopt same display unit to realize.
Information analysis equipment 30 above-mentioned each module are respectively made a concrete analysis of deterministic process according to respective standard or agreement to what message carried out, are that those skilled in the art can be easy to know according to foregoing description, so do not repeat them here.
This shows, the analyzing network communication record system that the present invention is based on the IEC61850 electric substation automation system is by being provided with a plurality of listening ports 10 on each communication path of IEC61850 electric substation automation system, sending and receiving message on each communication path is inserted present networks communications records analytical system, and continuous whole ground non-loss recording is in information-recording apparatus 20, thus the overall process that can reappear this electric substation automation system network service; Subsequently, analyzing network communication record of the present invention system also analyzes at many levels by the message that 30 pairs of information-recording apparatus 20 of configuration information analytical equipment are write down, judge whether it meets the IEC61850 standard, and whether there are other mistakes and hidden danger, and the message that association message information does not for example meet the IEC61850 standard shown, thereby the process of this electric substation automation system network service is analyzed and wrong the demonstration at many levels, so that the standby maintenance personnel accurately and timely locate the failure cause of electric substation automation system.
The present invention further provides a kind of analyzing network communication record method based on the IEC61850 electric substation automation system, as shown in Figure 8, at first, listening port 10 is being set on each communication path of described automated system to intercept the sending and receiving message on each communication path of this automated system at step S801.Communication path in this automated system comprises serial communication path, ethernet communication path and CAN Netcom letter path, corresponding different communication path is provided with corresponding listening port at the communication interface place of this communication path, as serial ports listening port 11, Ethernet listening port 12 and CAN net listening port 13, concrete set-up mode describes in detail hereinbefore, so repeat no more.
Secondly, at step S802, information-recording apparatus 20 reads sending and receiving message on each communication path of described automated system through set each listening port, and periodically the sending and receiving message that is read is stored as the message file, to realize continuous whole ground non-loss recording to the sending and receiving message on the automated system communication path.When at step S8020 after set each listening port reads from the message on each communication path of automated system, as shown in Figure 9, information-recording apparatus 20 is that each message that is read adds markers at step S8021 at first; Then with its buffer memory, step S8022; Whenever the buffer memory message reaches the preset buffer memory time for example 10 minutes the time, the message of this preset buffer memory buffer memory in the time is formed a message file, step S8023, it is message file of formation in per 10 minutes, and will store this message file, filename with this message file is sent to information analysis equipment 20, step S8024 simultaneously.Each message file can come source port and time scale information etc. to name according to it.
At step S803, information analysis equipment 20 reads required message file according to the filename that information-recording apparatus 30 sends from information-recording apparatus 30, and the message in the message file analyzed, judge whether it meets the IEC61850 standard, and whether have other mistakes and hidden danger, and the message that association message information does not for example meet the IEC61850 standard is shown.
To the analysis of message specifically as shown in figure 10, at step S8031, message in the message file is carried out the link layer analysis, judge whether message meets the link layer protocol requirement, analyzes promptly whether message is complete, whether message address is legal and judges its type of message EtherType whether the IEC61850 standard is allowed.Imperfect at message, message address is illegal or type of message be not the IEC61850 standard allowed EtherType the time, execution in step S8032 classifies this message as error message, identifies its type of error, and is shown.For error message, do discard processing; For correct message, then enter step S8033, according to the application protocol of correspondence message is carried out corresponding analysis according to type of message, judge whether it meets corresponding protocol requirement, be MMS message or GOOSE/SMV message then in the present embodiment, message carried out corresponding analysis according to MMS application protocol or GOOSE/SMV application protocol according to the type of message of message.
If message is the MMS message, then this MMS message is carried out networking layer analysis and communication process analysis, judge whether this MMS message meets the requirement of MMS application protocol: at first, the MMS message is carried out the network layer analysis, judge whether its information type is legal, and carry out topological analysis, judge whether MMS message IP address is legal, whether port numbers is legal; Secondly, the communication process of MMS message is analyzed, comprised break-make analysis and the analysis of message continuity.In analytic process, no matter be that it is carried out in the process of network layer analysis or carries out not meeting the requirement of MMS application protocol if judge the MMS message in the process that communication process analyzes, then enter step S8032, classify this MMS message as error message, identify its type of error, and shown.For error message, if the erroneous effects subsequent treatment after then identifying, is directly handled next message; For correct message, then enter step S8034, this message is carried out applied analysis, judge whether single message or message application process exist mistake.
If message is the GOOSE/SMV message, this GOOSE/SMV message is carried out the communication process analysis, judge whether this GOOSE/SMV message meets the requirement of GOOSE/SMV application protocol: promptly the communication process of GOOSE/SMV message is analyzed, comprised break-make analysis and the analysis of message continuity.In analytic process, if judging the GOOSE/SMV message does not meet the requirement of GOOSE/SMV application protocol, then enter step S8032, classify this GOOSE/SMV message as error message, identify its type of error, and shown.For error message, if the erroneous effects subsequent treatment after then identifying, is directly handled next message; For correct message, enter step S8034, this message is carried out applied analysis, judge whether single message or message application process exist mistake.
Message is carried out at first, single message is analyzed in the process of applied analysis at step S8034: judge according to IEC61850 transformer station configuration file (SCD) whether the entrained information of message is complete, correct.Then, the message application process is analyzed, these application processes include, but not limited to initialization procedure, control operation process, definite value operating process.When the message application process is analyzed, at first the message application process is defined, just define the message that the application-specific process is comprised according to type of message, message data information and message temporal information; Treat that the message application process is defined the back to be analyzed this application process, according to the IEC61850 standard judge whether application process complete, whether meet the related type of message of logic and each step of application process and message information whether correctly, whether meet logic.If judge single message or there is mistake in the message application process, then enter step S8032, classify this single message or the related message of message application process as error message, identify its type of error, and shown; Otherwise when single message or message application process were all errorless, information analysis equipment 20 read next message file according to filename and analyzes wherein message.
In the process that step 8031-S8034 analyzes message, respectively making a concrete analysis of deterministic process according to concrete standard or agreement to what message carried out, is that those skilled in the art can be easy to know according to foregoing description, so do not repeat them here.
This shows, the analyzing network communication record method that the present invention is based on the IEC61850 electric substation automation system is by being provided with a plurality of listening ports 10 on each communication path of IEC61850 electric substation automation system, sending and receiving message on each communication path is carried out continuous whole ground non-loss recording, the overall process that can reappear this electric substation automation system network service; And by the sending and receiving message that is write down is analyzed at many levels, judge whether it meets the IEC61850 standard and whether have other mistakes and hidden danger, and the message that association message information does not for example meet the IEC61850 standard shown, the process of this electric substation automation system network service is analyzed and wrong the demonstration at many levels, so that the standby maintenance personnel accurately and timely locate the failure cause of electric substation automation system.
In sum, the present invention is based on the analyzing network communication record system and method for IEC61850 electric substation automation system, can reappear the overall process of this electric substation automation system network service, further the network service process is analyzed at many levels simultaneously, so that the standby maintenance personnel accurately and timely locate the failure cause of electric substation automation system, investigation since between the communication failure electric substation automation system inside of causing and system and unattended centralized control center and the dispatching terminal automated system information report by mistake, fail to report, concrete reasons such as remote control failure, eliminate the potential safety hazard that electric substation automation system exists, provide technical basis for improving transformer station's network service information transfer mechanism.
Claims (12)
1, a kind of analyzing network communication record system based on the IEC61850 electric substation automation system, it is characterized in that, comprise: a plurality of listening ports, information-recording apparatus and information analysis equipment, wherein, described a plurality of listening port is arranged at respectively on each communication path of described automated system, and the sending and receiving message on each communication path of this automated system is inserted described information-recording apparatus; Described information-recording apparatus reads the described sending and receiving message from each listening port, periodically the sending and receiving message that is read is stored as the message file, and the filename of message file is sent to described information analysis equipment; Described information analysis equipment reads required message file according to the filename of message file from described information-recording apparatus, and analyze message in the message file read, judge whether it meets the IEC61850 standard, and the message that will not meet the IEC61850 standard is shown.
2, analyzing network communication record according to claim 1 system, it is characterized in that described listening port comprises that serial ports listening port, Ethernet listening port and the CAN net listening port be located at respectively on serial communication path, ethernet communication path and the CAN Netcom letter path are one of at least.
3, analyzing network communication record according to claim 1 system, it is characterized in that, Power Entry Module, processing and cache module, memory module, communication module and gps clock module that described information-recording apparatus comprises control module and is subjected to this control module control, wherein said Power Entry Module connects external power supply; Described processing and cache module are connected to described each listening port, read sending and receiving message on each communication path of described automated system through each listening port, the sending and receiving message that read is added after the markers its buffer memory, and under the control of described control module, periodically the message of institute's buffer memory is formed the message file, deposit this message file in described memory module; Described communication module is sent to described information analysis equipment with the filename of the message file of described memory module storage, and receives the message commands that reads of this information analysis equipment, and corresponding message file is sent to described information analysis equipment; Described gps clock module inserts external clock reference.
4, analyzing network communication record according to claim 3 system, it is characterized in that described information-recording apparatus also comprises the unusual output module of the operation conditions that is used to export this information-recording apparatus and is used to show first display module of the operating state of described each module of information-recording apparatus.
5, according to arbitrary described analyzing network communication record system among the claim 1-4, it is characterized in that, described information analysis equipment comprises the message document processing module, the MMS message processing module (MPM), the GOOSE/SMV message processing module (MPM), the ACSI processing module and second display module, wherein, described message document processing module receives and reads required message file according to the filename of message file from described information-recording apparatus, message in the message file is carried out the link layer analysis, this link layer analysis comprises judges whether it meets the link layer protocol requirement, and be MMS message or GOOSE/SMV message according to this message, it is sent into corresponding MMS message processing module (MPM) or GOOSE/SMV message processing module (MPM); Described MMS message processing module (MPM) is carried out networking layer analysis and communication process analysis to the MMS message that is received, and judges whether this MMS message meets the requirement of MMS application protocol, and the MMS message that will meet the requirement of MMS application protocol is sent into described ACSI processing module; Described GOOSE/SMV message processing module (MPM) is carried out the communication process analysis to the GOOSE/SMV message that is received, judge whether this GOOSE/SMV message meets the requirement of GOOSE/SMV application protocol, and the GOOSE/SMV message that will meet the requirement of GOOSE/SMV application protocol is sent into described ACSI processing module; Described ACSI processing module is carried out applied analysis to the message that is received, and this applied analysis comprises judging whether the entrained information of single message meets the configuration file requirement of IEC61850 transformer station, and judges whether the message application process meets the IEC61850 standard; Described second display module is used to the message that does not meet corresponding requirements that shows that described each processing module of information analysis equipment is analyzed.
6, a kind of analyzing network communication record method based on the IEC61850 electric substation automation system is characterized in that, comprises the following steps:
(1) information-recording apparatus reads sending and receiving message on each communication path of this automated system through being located at each listening port on each communication path of described automated system, periodically the sending and receiving message that is read is stored as the message file, and the filename of message file is sent to information analysis equipment;
(2) described information analysis equipment reads required message file according to the filename of message file from described information-recording apparatus, and analyze message in the message file read, judge whether it meets the IEC61850 standard, and the message that will not meet the IEC61850 standard is shown.
7, analyzing network communication record method according to claim 6 is characterized in that, further comprises before in step (1):
On each communication path of described automated system listening port is set, the corresponding serial communication path of this listening port, ethernet communication path and CAN Netcom letter path comprise serial ports listening port, Ethernet listening port and CAN net listening port.
8, analyzing network communication record method according to claim 6 is characterized in that, described step (1) further comprises:
(11) information-recording apparatus reads sending and receiving message on each communication path of described automated system through described each listening port;
(12) be that each message that is read adds markers, and buffer memory target message when having added;
(13) whenever the buffer memory message reaches preset buffer memory during the time,, store formed message file, and the filename of this message file is sent to information analysis equipment message file of message formation of this preset buffer memory buffer memory in the time.
9, according to claim 6,7 or 8 described analyzing network communication record methods, it is characterized in that, analyze message in the message file that is read in the described step (2), judge whether it meets the IEC61850 standard and further comprise:
(21) message in the described message file is carried out the link layer analysis, judge whether described message meets the link layer protocol requirement;
(22) according to the application protocol of correspondence this message is carried out corresponding analysis according to the type of message of described message, judge whether it meets corresponding protocol requirement;
(23) described message is carried out applied analysis, judge whether single message and message application process meet configuration file requirement of IEC61850 transformer station and IEC61850 standard respectively.
10, analyzing network communication record method according to claim 9 is characterized in that, described message is the MMS message, and corresponding agreement is the MMS application protocol; Described step (22) further comprises:
(221) described message is carried out the network layer analysis, judge whether its information type is legal, and carry out topological analysis, judge whether the IP address of described message is legal, whether port numbers legal;
(222) communication process of described message is analyzed, this analysis comprises break-make analysis and the analysis of message continuity.
11, analyzing network communication record method according to claim 9 is characterized in that, described message is the GOOSE/SMV message, and corresponding agreement is the GOOSE/SMV application protocol; Described step (22) comprises to be analyzed the communication process of described message, and this analysis comprises break-make analysis and the analysis of message continuity.
12, analyzing network communication record method according to claim 9 is characterized in that, described step (23) further comprises:
(231) analyze single message: judge whether the entrained information of single message meets the configuration file requirement of IEC61850 transformer station;
(232) analyze the message application process, comprising:
Define the message that the application-specific process is comprised according to type of message, message data information and message temporal information;
Whether the application process of judging the message that is defined meets the IEC61850 standard.
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