CN105099810A - Communication test method and system for sampling value interface - Google Patents
Communication test method and system for sampling value interface Download PDFInfo
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- CN105099810A CN105099810A CN201510280641.1A CN201510280641A CN105099810A CN 105099810 A CN105099810 A CN 105099810A CN 201510280641 A CN201510280641 A CN 201510280641A CN 105099810 A CN105099810 A CN 105099810A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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Abstract
The invention provides a communication test method for a sampling value interface. The method of the invention comprises an SV release test and an SV subscription test, wherein the SV release test comprises a step of verifying first test content, and the SV release test further comprises a step of verifying at least one of second test content: verifying the consistency of an SV message, verifying the consistency of the SV message transmitted by a point-to-point port, verifying a correct mark of an SV synchronization mark bit and verifying the dispersion of the SV message; the SV subscription test comprises the step of verifying at least one of third test content: verifying an SV subscription parameter, verifying an SV interrupt processing mechanism, verifying an SV quality abnormity processing mechanism, verifying an SV frame loss and disordering processing mechanism, verifying an SV step-out processing mechanism, verifying an SV rated time delay abnormity processing mechanism, verifying an SV shake processing mechanism, verifying an SV reception pressing plate function, verifying a double-AD abnormity processing mechanism and verifying an SV overhaul processing mechanism. The method of the invention provides comprehensive and systematic SV test content.
Description
Technical field
The present invention relates to secondary equipment in power system technical field of measurement and test, more particularly, relate to a kind of communication test method towards sampled value interface and system.
Background technology
Along with the promotion and application of intelligent substation; sampled value (SampledValue hereinafter referred SV) mechanics of communication obtains and applies more widely; SV is digitized electric current, voltage, realizes the communication between merge cells and protective device (transformer station possesses the secondary device of SV interface) by specific communication protocol.IEC61850 standard (substation communication network and system series standard) has carried out specification to SV coffret, at IEC61850-7-2 Abstract Common Service Interface (ACSI, AbstractCommunicationServiceInterface) sampled value model is defined in, in IEC61850-9-2, define particular communication service map (SCSM, specificcommunicationservicemapping), ACSI sampled value model is mapped in concrete communication network and agreement.SV service adopts publish/subscribe pattern, and higher to requirement of real-time, sampled data is write the buffering area of transmitter side by publisher in the mode of data set, and utilizes SendMSVMessage (sending multicast sampled value information) service sampled data to be sent; Subscriber reads data from the buffering area of receiver side; Communication system is responsible for the buffering area upgrading receiver side.
Current method of testing is mainly the test of communications protocol, pay close attention to correct transmission and the reception of data, the i.e. test of communication link aspect, does not then do the respondent behavior of SV subscriber under abnormal sample data and relates to, namely lack the test to communications applications aspect.This is not mainly because IEC61850 standard itself makes regulation to secondary device application, and this part content all has corresponding requirements in associated specifications at home.Because existing method of testing lacks the test of communications applications, to such an extent as to can not ensure that each producer realizes consistency to sampled value service, for practical engineering application brings very big inconvenience.
In sum, how providing a kind of test of communications applications to ensure that each producer realizes consistency to sampled value service, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the object of this invention is to provide a kind of communication test method towards sampled value interface and system, with provide one comprehensively, the SV content measurement of system, the application of SV engineering site is at home had great importance.
To achieve these goals, the invention provides following technical scheme:
On the one hand, the invention provides a kind of communication test method towards sampled value interface, comprise SV and issue test and SV subscription test, wherein, described SV issues test and comprises: verify the first content measurement; Described SV issues at least one item tested and also comprise further in checking second content measurement:
The consistency of checking SV message, checking all-pair point port send described SV message consistency, verify the correct mark of described SV sync id position, verify the dispersion of described SV message;
Described SV subscribes at least one item tested and also comprise further in checking the 3rd content measurement:
Verify described SV subscription parameters, verify described SV interrupt processing mechanism, verify described SV quality abnormal treatment mechanism, verify described SV frame losing and incorrect order treatment mechanism, verify described SV step-out treatment mechanism, verify described SV specified time delay exception handling, verify described SV dithering process mechanism, verify that described SV receives pressing plate function, the two AD exception handling of checking, verifies described SV overhaul plan mechanism.
Preferably, described checking first content measurement comprises:
Checking physical layer interface, checking link layer form meets the requirement of IEC61850-9-2, described SV application of electronic report layer form when checking sample rate is 80 points/cycle, described SV application of electronic report layer form when checking sample rate is 256 points/cycle, checking Application service data unit data set format, described SV message completeness when checking sample rate is 80 points/cycle, described SV message completeness when checking sample rate is 256 points/cycle, verify increasing progressively and reset mode of described SV packet sampling counter, verify that described SV exports the consistency with analog input, checking protective device is restarted the time that resends of rear described SV message, is verified the transmission of described SV maintenance quality position.
On the other hand, present invention also offers a kind of communication test system towards sampled value interface, comprise SV and issue test module and SV subscription test module, wherein, described SV issues test module and comprises: the first authentication unit; Described SV issue test module also comprises at least one checking content in the second authentication unit further:
The consistency of checking SV message, checking all-pair point port send described SV message consistency, verify the correct mark of described SV sync id position, verify the dispersion of described SV message;
Described SV subscription test module also comprises at least one checking content in the 3rd test cell further:
Verify described SV subscription parameters, verify described SV interrupt processing mechanism, verify described SV quality abnormal treatment mechanism, verify described SV frame losing and incorrect order treatment mechanism, verify described SV step-out treatment mechanism, verify described SV specified time delay exception handling, verify described SV dithering process mechanism, verify that described SV receives pressing plate function, the two AD exception handling of checking, verifies described SV overhaul plan mechanism.
Preferably, described first authentication unit comprises:
Checking physical layer interface, checking link layer form meets the requirement of IEC61850-9-2, described SV application of electronic report layer form when checking sample rate is 80 points/cycle, described SV application of electronic report layer form when checking sample rate is 256 points/cycle, checking Application service data unit data set format, described SV message completeness when checking sample rate is 80 points/cycle, described SV message completeness when checking sample rate is 256 points/cycle, verify increasing progressively and reset mode of described SV packet sampling counter, verify that described SV exports the consistency with analog input, checking protective device is restarted the time that resends of rear described SV message, is verified the transmission of described SV maintenance quality position.
Compared with prior art, advantage of the present invention is as follows:
The invention provides a kind of communication test method towards sampled value interface and system, by the basis of issuing the first content measurement of test at existing SV further providing again the second content measurement and SV subscribes to the 3rd content measurement tested and comprise, compared with prior art, a kind of communication test method towards sampled value interface provided by the invention and system provide one comprehensively, the SV content measurement of system, cover the world and the domestic standard of SV test, cover all indexs of domestic SV engineer applied simultaneously, the application of SV engineering site is at home had great importance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
A kind of SV of a kind of communication test method towards sampled value interface that Fig. 1 provides for the embodiment of the present invention issues test platform and builds schematic diagram;
A kind of SV of a kind of communication test method towards sampled value interface that Fig. 2 provides for the embodiment of the present invention subscribes to test platform and builds schematic diagram;
A kind of structural representation of a kind of communication test system towards sampled value interface that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of communication test method towards sampled value interface, comprise SV and issue test and SV subscription test.Wherein, SV issue test comprises: verify the first content measurement; SV issues at least one item tested and also comprise further in checking second content measurement:
The consistency of checking SV message, checking all-pair point port send consistency, the correct mark of checking SV sync id position, the dispersion of checking SV message of SV message;
SV subscribes at least one item tested and also comprise further in checking the 3rd content measurement:
Verify SV subscription parameters, checking SV interrupt processing mechanism, verify SV quality abnormal treatment mechanism, verify SV frame losing and incorrect order treatment mechanism, checking SV step-out treatment mechanism, verify that the specified time delay exception handling of SV, checking SV dithering process are machine-processed, verify that SV receives pressing plate function, verifies two AD exception handling, verifies that SV overhaul plan is machine-processed.
Wherein, verify that the first content measurement can comprise: SV message completeness when SV message completeness, checking sample rate are 256 points/cycle when SV application of electronic report layer form, checking Application service data unit data set format, checking sample rate are 80 points/cycle when SV application of electronic report layer form, checking sample rate are 256 points/cycle when checking physical layer interface, checking link layer form meet the requirement of IEC61850-9-2, checking sample rate is 80 points/cycle, verify increasing progressively and reset mode, verifying the consistency of SV output and analog input of SV packet sampling counter; Checking protective device restarts the time that resends of rear SV message, the transmission of checking SV maintenance quality position.
It should be noted that; the embodiment of the present invention provide a kind of in the communication test method of sampled value interface be according to the system of building shown in Fig. 1 carry out SV issue test; wherein testing software is arranged in PC; testing software receives the SV message of tested protective device issue by controlling testing hardware; analyze SV message and complete data verification, provide test result.Analog generator in test macro is used for providing electric current to tested protective device, voltage signal.
It should be noted that, IEC61850-10 part definition test case adopt Svp (SVpublish issues test case) and Svs (SVsubscribe subscribes to test case) as prefix, and in the embodiment of the present invention test case employing be that Svp_Ex and Svs_Ex is as prefix.What the test case that namely the first content measurement comprises adopted is that Svp and Svs is as prefix; what the test case that the second content measurement and the 3rd content measurement comprise adopted is that Svp_Ex and Svs_Ex is as prefix; SV issues testing needle and is combined Unit Design simultaneously; SV subscribes to testing needle and designs protective device, and the tested device namely issued in test process at SV is merge cells.Wherein, utilize the system shown in Fig. 1 carry out SV issue test test main contents and corresponding implementation procedure be specifically as follows:
1, the main implementation procedure of the first content measurement is verified:
(1) Svp1: checking physical layer interface
Test purpose: checking physical layer interface is 100Base-FX or 100Base-TX.
Method of testing: check whether the physical interface of tested device configuration meets above-mentioned requirements, and SV message can be sent.
It should be noted that, 100Base-FX, be the 100Mbps ethernet standard realized on optical fiber, wherein F indexed optical fiber, ieee standard is 802.3u.And its connector connected is the LC optical fiber connector (Lucentconnector), the ST optical fiber connector (StraightTip) or the MT-RJ optical fiber connector; 100Base-TX and the RJ45 optical fiber connector connect.
(2) Svp2: checking link layer form meets the requirement of IEC61850-9-2
Test purpose: checking SV message link layer form meets IEC61850-9-2 code requirement.
Method of testing: resolve SV message, checking SV message meets IEC61850-9-2 requirement, detected field comprises MAC Address, TPID (TagProtocolIdentifier, tag protocol identifier), VLAN (VirtualLocalAreaNetwork, VLAN), Ethertype, APPID (applicationidentification, application identities), Reseved1, Reseved2.
Wherein, EtherType is a field in Ether frame, is used for indicating the agreement being applied to frame data field.
(3) Svp3: sampling value message application layer form when checking sample rate is 80 points/cycle
Test purpose: checking application layer form is that 1 APDU (ApplicationProtocolDataUnit, Application Protocol Data Unit) comprises 1 ASDU (ApplicationServiceDataUnit, Application service data unit).
Method of testing: resolve SV message, 1 APDU should comprise 1 ASDU, and detected field comprises noofASDU (ASDU number), svID (sampled value ID), SmpCnt (sample counter), confRev (version number), SmpSynch (sync id position).
(4) Svp4: sampling value message application layer form during checking sample rate 256 points/cycle
Test purpose: checking application layer form is that 1 APDU comprises 8 ASDU.
Method of testing: resolve SV message, 1 APDU should comprise 8 ASDU, and detected field comprises noofASDU (ASDU number), svID (sampled value ID), SmpCnt (sample counter), confRev (version number), SmpSynch (sync id position).
(5) Svp5: checking ASDU data set format
Test purpose: checking ASDU data set comprises analog quantity instantaneous value and quality thereof.
Method of testing: resolve SV message, ASDU data set comprises analog quantity instantaneous value and quality thereof.The passage instantaneous value wherein do not supported is 0 and sampled value quality invalid (Invalid=TURE).
(6) Svp6: checking sample rate 80 points/cycle sampling value message completeness
Test purpose: the frame losing index of checking sampling message data.
Method of testing: record SV message one minute, adds up the SV message frame number received, meets the requirement of 240000 ± 1 frames.
(7) Svp7: checking sample rate is 256 points/cycle SV message completeness
Test purpose: the frame losing index of checking sampling message data.
Method of testing: record SV message one minute, adds up the SV message frame number received, meets the requirement of 96000 ± 1 frames.
(8) Svp8: increasing progressively and reset mode of checking sampling value message SmpCnt (sample counter)
Test purpose: verify no matter whether tested device is synchronous, and increasing progressively and resetting of SmpCnt all should be correct.
Method of testing: under synchronous and desynchronizing state, the sample counter SmpCnt of inspection SV message respectively, being 0-3999 for its count cycle of 80 points/cycle, is 0-12799 for its count cycle of 256 points/cycle.
(9) Svp9: checking sampled value exports the consistency with analog input
Test purpose: input analog amount and output sampled value should be consistent.
Method of testing: apply electric current and voltage amount by analog generator, checks input analog signal and output sampled value consistent (not investigating tested device precision).
(10) Svp10: what checking tested device restarted post-sampling value message resends the time
Test purpose: the time that resends of sampling value message should be stated consistent with producer.
Method of testing: restart equipment under test, the time of reception of record tested device first frame sampling value message, should in the time range of producer's statement.
(11) Svp11: checking SV overhauls the transmission of quality position (Test)
Test purpose: under checking maintenance model, sampling value message data quality should carry maintenance position.
Method of testing: the maintenance pressing plate dropping into tested device, restarts tested device, checks that sampling value message data quality should carry maintenance position (Test=TURE).
2, verify that the main implementation procedure of the second content measurement is:
(1) Svp_E1: the consistency of checking sampling value message
Test purpose: the configuration of checking tested device actual sample value is consistent with configuration file.
Method of testing: resolve SV message, comparison message and profile parameters, checks that field comprises multicast mac address, VLANID, VLAN priority, APPID, SVID, confRev.
(2) Svp_E2: checking all-pair point port sends the consistency of sampling value message
Test purpose: same group of sampling value message of checking all-pair point port should send simultaneously, and except source MAC, message content should be completely the same.
Method of testing: restart tested device, records the sampling value message of whole point-to-point port, and same sequence number message is except source MAC, and message content should be completely the same, and each mouth message deviation time of advent is less than 10us.
(3) Svp_E3: the correct mark of checking sampling value synchronization flag (SmpSynch)
Test purpose: SmpSynch correctly should identify step-out and the synchronous regime of tested device.
Method of testing: inspection tested device is synchronous with outer synchronous signal.If synchronizing signal is lost, tested device should utilize internal clocking to keep time, and when punctual precision meets the demands, SmpSynch will put True, otherwise SmpSynch set FALSE.If lock-out pulse occurs, SmpSynch should put True.
(4) Svp_E4: the dispersion of checking sampling value message
Test purpose: the sampling value message that checking all-pair point port exports, dispersion is no more than 10us.
Method of testing: the sampling value message recording whole point-to-point port, the difference of statistic sampling value message interval time and normal space time, obtains the distribution of sampled value dispersion, requires that sampling message is issued centrifugal pump and is no more than 10us.
The embodiment of the present invention adopts the test macro built based on Fig. 2 to carry out SV and subscribes to test, wherein testing software is arranged in PC, testing software completes the output of SV, GOOSE by controlling tester, monitored the MMS information of equipment under test by the port of PC, the function of having assisted SV to subscribe to and data verification simultaneously.
3, verify that the main implementation procedure of the 3rd content measurement is:
(1) Svs_E1: checking SV subscription parameters
Test purpose: whether tested protective device answers the parameter such as close inspection multicast mac address, AppID, SVID, ConfRev, data set port number to mate.
Method of testing: the parameter such as MAC, AppID, SVID, ConfRev, data set number of active lanes simulating SV message is respectively inconsistent, checking protective device reception condition.
(2) Svs_E2: checking SV interrupt processing mechanism
Test purpose: SV receive interruption should provide clear and definite alarm, and the protection that locking is relevant.Have no progeny in SV, this channel sampled data of protective device resets.After SV communication recovery, protective device alarm signal answers auto-returned, and correlation function should recover normal.
Method of testing: simulation SV communication disruption (disconnect optical fiber or inconsistent SV parameter is set), whether check protection device warning information and associated sample data reset; Simulated failure state, checking protective device whether locking is correlated with defencive function.Recover SV communication, whether check protection device alarm signal whether auto-returned, relevant protection device function recovers normal.
(3) Svs_E3: checking SV quality abnormal treatment mechanism
Test purpose: time SV receiving quality abnormal (invalid, doubt), clear and definite alarm should be provided, and the relevant protection of locking.After SV alarm, this channel sampled data of protective device resets.After SV communication recovery, protective device alarm signal answers auto-returned, and correlation function should recover normal.
Method of testing: simulation sends abnormal quality (invalid, doubt) SV message, and whether check protection device warning information and associated sample data reset; Simulated failure state, checking protective device whether locking is correlated with defencive function.Recover SV communication, whether check protection device alarm signal whether auto-returned, relevant protection device function recovers normal.
(4) Svs_E4: checking SV frame losing and incorrect order treatment mechanism
When test purpose: SV receives and occurs frame losing, incorrect order, clear and definite alarm should be provided, and the relevant protection of locking.After SV alarm, this channel sampled data of protective device resets.After SV communication recovery, protective device alarm signal answers auto-returned, and correlation function should recover normal.
Method of testing: simulation sends frame losing, incorrect order sampling value message, and whether check protection device warning information and associated sample data reset; Simulated failure state, checking protective device whether locking is correlated with defencive function.Recover SV communication, whether check protection device alarm signal whether auto-returned, relevant protection device function recovers normal.
(5) Svs_E5: checking SV step-out treatment mechanism
Test purpose: during SV message sync id position (SmpSynch=FLASE), the treatment mechanism of checking protective device.For protective device (directly adopting working method), protective device normally runs, not alarm, for protective device (working method adopted by net), and should correctly alarm.After SV communication recovery, protective device alarm signal answers auto-returned.
Method of testing: simulation sends the sampling value message of sync id position (SmpSynch=FLASE), checks corresponding warning information.After SV communication recovery, protective device alarm signal answers auto-returned.
(6) Svs_E6: checking SV specified time delay exception handling
Test purpose: in SV message the change of specified time delay field or out-of-limit time, protective device (directly adopting working method) should provide clear and definite alarm and locking is correlated with defencive function.
Method of testing: the specified time delay field of simulation SV message changes or is greater than 2ms, the warning information of check protection device; Simulated failure state, checking protective device whether locking is correlated with defencive function.
(7) Svs_E7: checking SV dithering process mechanism
Test purpose: SV message send space jitter out-of-limit time, protective device (directly adopting working method) should provide clear and definite alarm and locking is correlated with defencive function.When after SV communication recovery, protective device alarm signal answers auto-returned, and correlation function should recover normal.
Method of testing: simulation SV sends space jitter, when shaky time is not more than protective device permissible value (acquiescence 10us), check protection device performance should be unaffected; When shaky time is greater than protective device permissible value (acquiescence 10us), check protection device warning information, simulated failure state, verifies that whether locking is correlated with defencive function; Recover SV communication, whether check protection device alarm signal whether auto-returned, relevant protection device function recovers normal.
(8) Svs_E8: checking SV receives pressing plate function
Test purpose: SV receives pressing plate and should access number by merge cells and arrange, when SV receive pressing plate exit time, this road SV is shown as zero, not participation protective interrelated logic, and the SV message interruption of this road, exception, maintenance is inconsistent does not produce warning.
Method of testing: exit a road SV and receive pressing plate, check whether this road SV numerical value is zero; Simulate this road SV link down, exception and overhaul the situation check protection such as inconsistent and whether have warning; Simulate this road SV and reach protective device action threshold, check protection action behavior.
(9) Svs_E9: two AD (Analog/Digital) exception handling of checking
When the two AD data of test purpose: SV are inconsistent, protective device does not answer misoperation; When after SV communication recovery, correlation function should recover normal.
Method of testing: simulation SV message one road A/D (AnalogtoDigitalConverter, analog to digital converter) data continuous abnormal, comprise continuous, the discontinuous distortion of current sampling data to amplify, continuous, the discontinuous distortion of voltage sample value is reduced, and abnormal data value reaches protective device action threshold, another road A/D sampled data is normal, the behavior of check protection device action; Simulate a road A/D data quality abnormal, another road A/D sampled data is normal, and data value reaches protective device action threshold check protective device action behavior; Recover SV communication, check whether correlation function recovers normal.
(10) Svs_E10: checking SV overhaul plan mechanism
Test purpose: the inspecting state of the Test position in the SV message of reception and protective device self should compare by check protection device, when only having both consistent just by this signal for the protection of logic, otherwise should to process by related channel program sampling is abnormal.
Method of testing: according to maintenance compound mode different table 1 Suo Shi, checking conservation treatment mechanism.
Table 1 difference maintenance compound mode
It should be noted that, the embodiment of the present invention provide a kind of towards in the communication test method of sampled value interface, in above-mentioned first content measurement, the second content measurement and the 3rd content measurement, each several part verifies the restriction do not existed between content in order in detail, and is separate between each DCO content.
Embodiments provide a kind of communication test method towards sampled value interface, by the basis of issuing the first content measurement of test at existing SV further providing again the second content measurement and SV subscribes to the 3rd content measurement tested and comprise, compared with prior art, a kind of communication test method towards sampled value interface that the embodiment of the present invention provides provides one comprehensively, the SV content measurement of system, cover the world and the domestic standard of SV test, cover all indexs of domestic SV engineer applied simultaneously, the application of SV engineering site is at home had great importance.
Corresponding with the embodiment of said method, the embodiment of the present invention additionally provides a kind of communication test system towards sampled value interface, please refer to Fig. 1 and show a kind of communication test system towards sampled value interface that the embodiment of the present invention provides, SV can be comprised and issue test module 11 and SV subscription test module 12, wherein, SV issue test module 11 comprises: the first authentication unit 21; SV issue test module 11 also comprises at least one checking content in the second authentication unit 22 further:
The consistency of checking SV message, checking all-pair point port send consistency, the correct mark of checking SV sync id position, the dispersion of checking SV message of SV message;
SV subscription test module 12 also comprises at least one checking content in the 3rd authentication unit 31 further:
Verify SV subscription parameters, checking SV interrupt processing mechanism, verify SV quality abnormal treatment mechanism, verify SV frame losing and incorrect order treatment mechanism, checking SV step-out treatment mechanism, verify that the specified time delay exception handling of SV, checking SV dithering process are machine-processed, verify that SV receives pressing plate function, verifies two AD exception handling, verifies that SV overhaul plan is machine-processed.
Wherein, the first authentication unit 21 can comprise:
Checking physical layer interface, checking link layer form meets the requirement of IEC61850-9-2, SV application of electronic report layer form when checking sample rate is 80 points/cycle, SV application of electronic report layer form when checking sample rate is 256 points/cycle, checking Application service data unit data set format, SV message completeness when checking sample rate is 80 points/cycle, SV message completeness when checking sample rate is 256 points/cycle, increasing progressively and reset mode of checking SV packet sampling counter, checking SV exports the consistency with analog input, checking protective device restarts the time that resends of rear SV message, the transmission of checking SV maintenance quality position.
Embodiments provide a kind of communication test system towards sampled value interface, by the basis of issuing the first content measurement of test at existing SV further providing again the second content measurement and SV subscribes to the 3rd content measurement tested and comprise, compared with prior art, a kind of communication test system towards sampled value interface that the embodiment of the present invention provides provides one comprehensively, the SV content measurement of system, cover the world and the domestic standard of SV test, cover all indexs of domestic SV engineer applied simultaneously, the application of SV engineering site is at home had great importance.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the present invention.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1., towards a communication test method for sampled value interface, comprise SV and issue test and SV subscription test, wherein, described SV issues test and comprises: verify the first content measurement; It is characterized in that, described SV issues at least one item tested and also comprise further in checking second content measurement:
The consistency of checking SV message, checking all-pair point port send described SV message consistency, verify the correct mark of described SV sync id position, verify the dispersion of described SV message;
Described SV subscribes at least one item tested and also comprise further in checking the 3rd content measurement:
Verify described SV subscription parameters, verify described SV interrupt processing mechanism, verify described SV quality abnormal treatment mechanism, verify described SV frame losing and incorrect order treatment mechanism, verify described SV step-out treatment mechanism, verify described SV specified time delay exception handling, verify described SV dithering process mechanism, verify that described SV receives pressing plate function, the two AD exception handling of checking, verifies described SV overhaul plan mechanism.
2. communication test method according to claim 1, is characterized in that, described checking first content measurement comprises:
Checking physical layer interface, checking link layer form meets the requirement of IEC61850-9-2, described SV application of electronic report layer form when checking sample rate is 80 points/cycle, described SV application of electronic report layer form when checking sample rate is 256 points/cycle, checking Application service data unit data set format, described SV message completeness when checking sample rate is 80 points/cycle, described SV message completeness when checking sample rate is 256 points/cycle, verify increasing progressively and reset mode of described SV packet sampling counter, verify that described SV exports the consistency with analog input, checking protective device is restarted the time that resends of rear described SV message, is verified the transmission of described SV maintenance quality position.
3., towards a communication test system for sampled value interface, comprise SV and issue test module and SV subscription test module, wherein, described SV issues test module and comprises: the first authentication unit; It is characterized in that, described SV issue test module also comprises at least one checking content in the second authentication unit further:
The consistency of checking SV message, checking all-pair point port send described SV message consistency, verify the correct mark of described SV sync id position, verify the dispersion of described SV message;
Described SV subscription test module also comprises at least one checking content in the 3rd test cell further:
Verify described SV subscription parameters, verify described SV interrupt processing mechanism, verify described SV quality abnormal treatment mechanism, verify described SV frame losing and incorrect order treatment mechanism, verify described SV step-out treatment mechanism, verify described SV specified time delay exception handling, verify described SV dithering process mechanism, verify that described SV receives pressing plate function, the two AD exception handling of checking, verifies described SV overhaul plan mechanism.
4. communication test system according to claim 3, is characterized in that, described first authentication unit comprises:
Checking physical layer interface, checking link layer form meets the requirement of IEC61850-9-2, described SV application of electronic report layer form when checking sample rate is 80 points/cycle, described SV application of electronic report layer form when checking sample rate is 256 points/cycle, checking Application service data unit data set format, described SV message completeness when checking sample rate is 80 points/cycle, described SV message completeness when checking sample rate is 256 points/cycle, verify increasing progressively and reset mode of described SV packet sampling counter, verify that described SV exports the consistency with analog input, checking protective device is restarted the time that resends of rear described SV message, is verified the transmission of described SV maintenance quality position.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130950A (en) * | 2016-05-20 | 2016-11-16 | 南京理工大学 | Method for detecting abnormality for IEC61850 agreement SV message |
| CN106161139A (en) * | 2016-06-27 | 2016-11-23 | 哈尔滨工业大学 | A kind of intelligent substation SV message simulation generates and detection method |
| CN109001661A (en) * | 2018-05-31 | 2018-12-14 | 上海思源弘瑞自动化有限公司 | The consistency of double sampled value determines method, apparatus, terminal device and storage medium |
| CN109001661B (en) * | 2018-05-31 | 2021-02-09 | 上海思源弘瑞自动化有限公司 | Method and device for determining consistency of double sampling values, terminal equipment and storage medium |
| CN116132343A (en) * | 2023-02-13 | 2023-05-16 | 国网四川省电力公司电力科学研究院 | Online monitoring terminal simulation test system and method for primary equipment of intelligent substation |
| CN116132343B (en) * | 2023-02-13 | 2024-06-04 | 国网四川省电力公司电力科学研究院 | Online monitoring terminal simulation test system and method for primary equipment of intelligent substation |
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