CN103730959A - Method for testing communication protocols of power distribution network equipment - Google Patents
Method for testing communication protocols of power distribution network equipment Download PDFInfo
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- CN103730959A CN103730959A CN201310711061.4A CN201310711061A CN103730959A CN 103730959 A CN103730959 A CN 103730959A CN 201310711061 A CN201310711061 A CN 201310711061A CN 103730959 A CN103730959 A CN 103730959A
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
A method for testing communication protocols of power distribution network equipment includes the following steps that the communication protocols of the power distribution network equipment to be tested are configured, wherein the communication protocols comprise the IEC101 protocol, the IEC104 protocol and the IEC61850 protocol; corresponding communication protocols are loaded from a database according to the tested communication protocols, communication parameters between the database and the power distribution network equipment to be tested are set according to the communication protocols; test projects are selected according to the application function of the power distribution network equipment to be tested; the communication protocols of the power distribution network equipment to be tested are tested according to the test projects, and then a test result is acquired. According to the technical scheme, the IEC101 protocol, the IEC104 protocol and the IEC61850 protocol of the power distribution network equipment to be tested are configured, the communication parameter set function between the database and the power distribution network equipment to be tested is provided, and then the communication protocols of the power distribution network equipment to be tested are tested by selecting the test projects; the communication protocol testing method is applied to testing the communication protocols of the power distribution network equipment, complexity of the debugging process is reduced, configurability of testing software is improved, and whole testing efficiency is improved.
Description
Technical field
The present invention relates to power distribution network technical field, particularly relate to a kind of communication protocol method of testing of Distribution Network Equipment.
Background technology
The safe and stable operation of electrical power distribution automatization system is related to the safety and stability of power distribution network, and it is particularly important that quick and stable communication seems, therefore, need to debug Distribution Network Equipment.
More existing stipulations testing softwares, need both sides technical staff to scene, to carry out uniting and adjustment test, and the debug process of distribution automation monitoring background system and the uniting and adjustment of intelligent power distribution equipment is comparatively complicated.And the test item of these stipulations testing softwares is more single, such as only supporting IEC101 stipulations or IEC104 stipulations, and content measurement is not comprehensive, communication conditions that can not real simulation scene, configurability is poor, the option setting that cannot prop up stipulations compatibility, there is incompatible situation in communication packet and Distribution Network Equipment, causes test cannot carry out smoothly, affect testing efficiency.
In sum, existing stipulations testing software, is applied to when Distribution Network Equipment is communicated to stipulations test, has debug process complexity, configurability is poor and testing efficiency is low problem.
Summary of the invention
Based on this, being necessary, for above-mentioned debug process complexity, configurability is poor and testing efficiency is low problem, provides a kind of communication protocol method of testing of Distribution Network Equipment.
A communication protocol method of testing for Distribution Network Equipment, comprises the steps:
Configure the communication protocol of Distribution Network Equipment to be measured; Wherein, described communication protocol comprises IEC101 stipulations, IEC104 stipulations and IEC61850 stipulations;
According to the communication protocol of test, from database, load corresponding communication protocol, and set the communications parameter between Distribution Network Equipment to be measured according to described communication protocol;
According to the application function of Distribution Network Equipment to be measured, select test event;
According to described test event, treat and be measured grid equipment and communicate stipulations tests, obtain test result.
The communication protocol method of testing of above-mentioned Distribution Network Equipment, by configuring IEC101 stipulations, IEC104 stipulations and the IEC61850 stipulations of Distribution Network Equipment to be measured, communications parameter between Distribution Network Equipment to be measured set-up function is provided, then communicates stipulations tests according to selecting test event to treat to be measured grid equipment; Be applied to Distribution Network Equipment is communicated to stipulations test, reduced the complexity of debug process, improved the configurability of testing software, and improved overall testing efficiency.
Accompanying drawing explanation
Fig. 1 is the communication protocol method of testing flow chart of the Distribution Network Equipment of an embodiment;
The IEC104 stipulations parameter that in Fig. 2 is an embodiment arranges interface;
Fig. 3 is the message analysis window schematic diagram of an embodiment.
Embodiment
The embodiment of the communication protocol method of testing below in conjunction with accompanying drawing to Distribution Network Equipment of the present invention is described in detail.
In order to solve the intelligent power distribution equipment of each producer and the problem that interconnects on distribution automation monitoring backstage, realizing can be convenient by the wisdom controller switching equipment of testing, be linked into fast in distribution automation monitoring background system, and do not need the on-the-spot uniting and adjustment of both sides technical staff to test, the invention provides a kind of communication protocol method of testing of Distribution Network Equipment, by the monitoring of distribution automation intactly background system, the communication conditions at real simulation scene, communication protocol to Distribution Network Equipment is tested, content measurement is comprehensive, simplified the debug process of distribution automation monitoring background system and the uniting and adjustment of intelligent power distribution equipment, improved testing efficiency.
Shown in figure 1, Fig. 1 is the communication protocol method of testing flow chart of the Distribution Network Equipment of an embodiment, comprises the steps:
Step S10, configures the communication protocol of Distribution Network Equipment to be measured; Wherein, described communication protocol comprises IEC101(IEC60870IEC60870-5-101) stipulations, IEC104(IEC60870IEC60870-5-104) stipulations and IEC61850 stipulations.
In this step, the relevant parameter of configuration IEC101 stipulations, IEC104 and IEC61850 stipulations, set corresponding communication modes, set as information such as serial ports, port, network interface and string slogan or IP addresses, the function that arranges of Distribution Network Equipment protocol type to be measured can be provided, and make test item more comprehensive.
In configuration communication protocol process, can input relevant parameter by program interface, for example, shown in figure 2, the IEC104 stipulations parameter that in Fig. 2 is an embodiment arranges interface, it should be noted that, accompanying drawing 2, only for example effect, is recorded content and is not formed the restriction to this patent flesh and blood above it.
Step S20 loads corresponding communication protocol according to the communication protocol of test from database, and sets the communications parameter between Distribution Network Equipment to be measured according to described communication protocol.
In this step, the communication protocol using according to Distribution Network Equipment to be measured, from database, load corresponding communication protocol, wherein, in database, store the communication protocol that various communication protocols are corresponding, then set the communications parameter between Distribution Network Equipment to be measured, the communication of setting up between the two connects.
Step S30, selects test event according to the application function of Distribution Network Equipment to be measured.
In this step, according to the classification for test event in advance, according to the application function testing requirement of correspondence Distribution Network Equipment to be measured, select test event, test event can comprise startup reset link test, general utility functions test, telemechanical data monitoring and/or fault seeding test etc.
Step S40, treats and is measured grid equipment and communicates stipulations tests according to described test event, obtains test result.
In this step, communication protocol and the test event according to abovementioned steps, selected, the function that Distribution Network Equipment is communicated to the each side of stipulations is tested, and judges Distribution Network Equipment running status to be measured, obtains comprehensive test result.
The relevant information of test process can show by message analysis window, and shown in figure 3, Fig. 3 is the message analysis window schematic diagram of an embodiment, by this window, can show intuitively current ongoing test process; It should be noted that, accompanying drawing 3, only for example effect, is recorded content and is not formed the restriction to this patent flesh and blood above it.
In one embodiment, step S20 sets the process of the communications parameter between Distribution Network Equipment to be measured according to described communication protocol, further comprises the steps:
Obtain the address size of the communication protocol that Distribution Network Equipment to be measured uses, the content-length of the communication packet of testing according to address length setting and Distribution Network Equipment to be measured; According to described content-length, resolve the message that receives Distribution Network Equipment to be measured, and according to content-length, generate the message that is sent to Distribution Network Equipment to be measured, wherein, described content-length comprises the length of transmission reason, public address and imformosome in communication packet.
Due to when with controller switching equipment uniting and adjustment, the address size of the communication protocol of the Distribution Network Equipment of different manufacturers is not the length of specifying in strict accordance with standard-required, this will cause test normally to carry out, therefore, by the technological means in above-described embodiment, realization is to the transmission reason in communication packet, the length of these three contents of public address and imformosome is set, the phenomenon of avoiding test side that the length of code is tested and to cause test to carry out, obtain the compatible result to communication protocol, improved testing efficiency.
Further, setting in the process of the communications parameter between Distribution Network Equipment to be measured, can also comprise the steps:
Obtain the address realm of the imformosome of the communication packet of Distribution Network Equipment to be measured, according to the address realm obtaining, set the address realm that carries out the imformosome of the communication packet of communication with Distribution Network Equipment to be measured; According to the address realm of the imformosome of setting, the content of communication packet is resolved and sorted out.
Because imformosome in communication protocol has clear and definite address realm requirement, such as the address of remote signalling, remote measurement is used has different address realms, and the address realm of the Distribution Network Equipment of different manufacturers is not the address realm of specifying in strict accordance with standard-required, by the technological means of above-described embodiment, having realized the address realm of imformosome sets, the phenomenon of having avoided test both sides to cause infomational message to resolve to address implication difference, when the Distribution Network Equipment of different manufacturers is tested, can both realize the correct information content in test packet resolves and sorts out.
In one embodiment, described test event comprises startup reset link test, general utility functions test, telemechanical data monitoring, the projects such as fault seeding test, wherein, general utility functions tests always comprise call together, group is called together, during school etc., telemechanical data monitoring comprises remote signalling, remote measurement, remote regulating, set up an office and carry out etc.For fault seeding test, can comprise the test of message format fault seeding, message information content false simulation test, communication abnormality simulation test and the test of remote control logic fault seeding etc.
In one embodiment, for the test of message format fault seeding, concrete method of testing can comprise the steps:
The error checking message that analog message frame length and actual transmission byte are not inconsistent; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the first response message that described Distribution Network Equipment to be measured returns; Analog message frame length and the proper testing message that actual transmission byte conforms to, be sent to Distribution Network Equipment to be measured by described proper testing message, and receive the second response message that described Distribution Network Equipment to be measured returns; Described the first response message, the second response message are compared, according to comparison result, judge the message format state of the communication protocol of Distribution Network Equipment to be measured.
In one embodiment, for message information content false simulation test, concrete method of testing can comprise the steps:
While simulating illegal school or the error checking message of remote control application, for example, while going to school with this wrong time of 2012-13-0101:01:00, or go to apply for remote control with a non-existent remote controlled point; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the response message that described Distribution Network Equipment to be measured returns; If described response message for processing, judges that the analytical capabilities of message information content of the communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge that analytical capabilities is abnormal.
In one embodiment, for communication abnormality simulation test, concrete method of testing can comprise the steps:
Carry out normal message communication with Distribution Network Equipment to be measured, and analog communication interrupts suddenly or the error checking message of analog message frame losing in communication process; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the response message that described Distribution Network Equipment to be measured returns; If described response message can involution, judge that the communication function of communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge that communication function is abnormal.
For example, such as the Receive sequence number of Simulation with I EC104 does not deliberately increase, then send back to Distribution Network Equipment to be measured and confirm, judge whether Distribution Network Equipment to be measured makes normal processing.
In one embodiment, for the test of remote control logic fault seeding, concrete method of testing can comprise the steps:
What to described Distribution Network Equipment to be measured, send a remote controlled point carries out the preset test packet of twice remote control continuously, and receives the response message that described Distribution Network Equipment to be measured returns; If the preset response message of described remote control for the first time for certainly responding, and to the preset response message of follow-up remote control for negating to respond, judge that the remote control logic function of communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge remote control logic dysfunction.
In one embodiment, the communication protocol method of testing of Distribution Network Equipment of the present invention can also comprise the steps:
Record operating process information in test process and result thereof and and the message information that produces during Devices to test communication, wherein, the record of message information comprises original message and decoding message; For inquiring about according to temporal information.
Concrete, by the processing mode of above-described embodiment, realized log recording function and Query Information function.Recorded information has comprised the operation information in test process, event information and message information, for example done which operation, the procedural information of operation and result and and the message information that produces during Devices to test communication etc., the record of message information comprises original message and decoding message record simultaneously, the understanding to message information while inquiring about after being convenient to.Follow-uply can inquire the recorded information in certain period according to the time.
Further, the communication protocol method of testing of Distribution Network Equipment of the present invention can also comprise: the step of manual edit message and parsing, this step is miscellaneous function, can, by inputting one section of message or copying one section of message, then by decoder module, for the message of input, decode.
In addition, the communication protocol method of testing of Distribution Network Equipment of the present invention, can realize based on cross-platform design, adopt mature and stable cross-platform the designing program of qt, thereby the transplanting easily between different operating system, expand the kind of program usage platform, can effectively reduce the cost of platform.
Further, by cross compile, can allow it operate on the embedded support plates such as lower-cost ARM or POWERPC.
Technical scheme of the present invention, solve the intelligent power distribution equipment of Liao Ge producer and the problem that interconnects on distribution automation monitoring backstage, realizing can be convenient by the wisdom controller switching equipment of testing, be linked into fast in distribution automation monitoring background system, and do not need the on-the-spot uniting and adjustment of both sides technical staff to test, simplified the debug process of distribution automation monitoring background system and the uniting and adjustment of intelligent power distribution equipment, configurability is good, prop up the option setting of stipulations compatibility, provide communication packet and Distribution Network Equipment compatibility that function is set, the test that is directed to different Distribution Network Equipments can both be carried out smoothly, without information such as commissioning staff's duplicate acknowledgment message length and address realms, improved testing efficiency.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a communication protocol method of testing for Distribution Network Equipment, is characterized in that, comprises the steps:
Configure the communication protocol of Distribution Network Equipment to be measured; Wherein, described communication protocol comprises IEC101 stipulations, IEC104 stipulations and IEC61850 stipulations;
According to the communication protocol of test, from database, load corresponding communication protocol, and set the communications parameter between Distribution Network Equipment to be measured according to described communication protocol;
According to the application function of Distribution Network Equipment to be measured, select test event;
According to described test event, treat and be measured grid equipment and communicate stipulations tests, obtain test result.
2. the communication protocol method of testing of Distribution Network Equipment according to claim 1, is characterized in that, the step of setting the communications parameter between Distribution Network Equipment to be measured according to described communication protocol comprises:
Obtain the address size of the communication protocol that Distribution Network Equipment to be measured uses, the content-length of the communication packet of testing according to address length setting and Distribution Network Equipment to be measured; According to described content-length, resolve the message that receives Distribution Network Equipment to be measured, and according to content-length, generate the message postbacking to Distribution Network Equipment to be measured, wherein, described content-length comprises the length of transmission reason, public address and imformosome in communication packet.
3. the communication protocol method of testing of Distribution Network Equipment according to claim 2, it is characterized in that, also comprise: obtain the address realm of the imformosome of the communication packet of Distribution Network Equipment to be measured, according to the address realm obtaining, set the address realm that carries out the imformosome of the communication packet of communication with Distribution Network Equipment to be measured; According to the address realm of the imformosome of setting, the content of communication packet is resolved and sorted out.
4. the communication protocol method of testing of Distribution Network Equipment according to claim 1, is characterized in that, described test event comprises that starting reset link test, general utility functions test, telemechanical data monitoring and/or fault seeding tests.
5. the communication protocol method of testing of Distribution Network Equipment according to claim 4, it is characterized in that, fault seeding test comprises the test of message format fault seeding, message information content false simulation test, communication abnormality simulation test and the test of remote control logic fault seeding.
6. the communication protocol method of testing of Distribution Network Equipment according to claim 5, is characterized in that, described fault seeding test is the test of message format fault seeding;
Describedly according to described test event, treat and be measured the step that grid equipment communicates stipulations tests and comprise:
The error checking message that analog message frame length and actual transmission byte are not inconsistent; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the first response message that described Distribution Network Equipment to be measured returns;
Analog message frame length and the proper testing message that actual transmission byte conforms to, be sent to Distribution Network Equipment to be measured by described proper testing message, and receive the second response message that described Distribution Network Equipment to be measured returns;
Described the first response message, the second response message are compared, according to comparison result, judge the message format state of the communication protocol of Distribution Network Equipment to be measured.
7. the communication protocol method of testing of Distribution Network Equipment according to claim 5, is characterized in that, described fault seeding test is message information content false simulation test;
Describedly according to described test event, treat and be measured the step that grid equipment communicates stipulations tests and comprise:
While simulating illegal school or the error checking message of remote control application; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the response message that described Distribution Network Equipment to be measured returns; If described response message for processing, judges that the analytical capabilities of message information content of the communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge that analytical capabilities is abnormal.
8. the communication protocol method of testing of Distribution Network Equipment according to claim 5, is characterized in that, described fault seeding test is communication abnormality simulation test;
Describedly according to described test event, treat and be measured the step that grid equipment communicates stipulations tests and comprise:
Carry out normal message communication with Distribution Network Equipment to be measured, and analog communication interrupts suddenly or the error checking message of analog message frame losing in communication process; Described error checking message is sent to Distribution Network Equipment to be measured, and receives the response message that described Distribution Network Equipment to be measured returns; If described response message can involution, judge that the communication function of communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge that communication function is abnormal.
9. the communication protocol method of testing of Distribution Network Equipment according to claim 5, is characterized in that, described fault seeding test is the test of remote control logic fault seeding;
Describedly according to described test event, treat and be measured the step that grid equipment communicates stipulations tests and comprise: what to described Distribution Network Equipment to be measured, send a remote controlled point carries out the preset test packet of twice remote control continuously, and receives the response message that described Distribution Network Equipment to be measured returns; If the preset response message of described remote control for the first time for certainly responding, and to the preset response message of follow-up remote control for negating to respond, judge that the remote control logic function of communication protocol of Distribution Network Equipment to be measured is normal, otherwise judge remote control logic dysfunction.
10. according to the communication protocol method of testing of the Distribution Network Equipment described in claim 1 to 9 any one, it is characterized in that, also comprise: record operating process information in test process and result thereof and and the message information that produces during Devices to test communication, wherein, the record of message information comprises original message and decoding message; For inquiring about according to temporal information.
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| CN113609024A (en) * | 2021-08-17 | 2021-11-05 | 北京计算机技术及应用研究所 | Reflection technology-based embedded software closed-loop test method |
| CN113609024B (en) * | 2021-08-17 | 2023-07-14 | 北京计算机技术及应用研究所 | Embedded software closed-loop test method based on reflection technology |
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