CN103760449B - Merging unit and test and excitation amount applying method based on MMS - Google Patents
Merging unit and test and excitation amount applying method based on MMS Download PDFInfo
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Abstract
A kind of intelligent substation detection technique field is based on the merging unit of MMS and test and excitation amount applying method, including: data communication module, data acquisition module, data transmission module and Configuration Manager, data communication module receives the outer testing system test instruction and the test and excitation amount from SV network from MMS network, transmit to data acquisition module, and through the Ethernet interface of data communication module, SV data are sent with network or direct connection optical cable mode。The present invention can realize on-the-spot non-intrusion type test; the i.e. on-the-spot wiring not changing protection system; given by MMS network and SV network service mouth and merge unit applying test instruction and test and excitation amount, complete the closed loop test of tested protection system, be greatly improved on-the-spot test efficiency。
Description
Technical field
The present invention relates to the device in a kind of intelligent substation detection technique field, specifically a kind of merging unit based on MMS and test and excitation amount applying method。
Background technology
Under intelligent substation technical background, IEC61850 standard has become as Key Supporting Techniques system, and IEC61850 proposes the concept of " three layers two net ", and process layer combining unit, intelligent terminal arise at the historic moment。According to IEC61850 standard, process layer IED equipment only access procedure layer SV, GOOSE network。The maximum drawback that this application model is brought just is proximate to the process layer IED of the distributed installation of primary equipment cannot effectively provide the services such as equipment running status warning, also cannot be carried out remote maintenance and configuration。Therefore, process layer IED supports MMS service, it will help realize the Remote configuration of process layer IED, on-line monitoring and closed loop test, greatly improves the operation maintenance efficiency of transformer station secondary system。
Through the retrieval of prior art is found, Chinese patent literature CN103439612A, publication date 2013.12.11, disclose the intelligent substation Auto-Test System based on SCD of a kind of intelligent substation technical field, including: the test system being connected respectively through substation network and tested IED device, wherein: test system generates test case by resolving SCD file, testing process is started through man-machine interface, simulation test energizing quantity is produced according to test case, energizing quantity is applied to tested IED device through transformer station's LAN, and read the response for test and excitation of the tested IED device, finally automatically form test result appraisal report。But the key point of this technology is in that to generate test case based on SCD, and not employing protection plant failure is reported as test case, and object merging unit proposition associated specifications is not applied for test and excitation amount。
Summary of the invention
The present invention is directed to prior art above shortcomings, it is proposed to a kind of merging unit based on MMS and test and excitation amount applying method thereof, it is possible to realize merging the applying of protection system closed loop test energizing quantity under the Remote configuration of unit, on-line monitoring and test pattern。
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of merging unit based on MMS, including: data communication module, data acquisition module, data transmission module and Configuration Manager, wherein: data communication module is through the test instruction of MMS communication interface outer testing system, respectively test instruction is exported to data acquisition module, data transmission module and Configuration Manager, merging unit is placed in TEST state；SV network service mouth for testing receives the SV test and excitation amount transmitted from outer testing system through SV network, and transmits to data acquisition module。Receiving from the merging unit profile of MMS network and export to Configuration Manager, support is from the data call of MMS network；Take T connection technology to realize difference and merge the cascade of MMS communication port between unit。When data acquisition module receives the test instruction of data communication module, by time properly functioning from the electric current of transformer and voltage analog through the A/D sampled value changed, switch to the test and excitation amount from outer testing system SV form, and transmit to data transmission module。Data transmission module receives the test and excitation amount from data acquisition module SV form, according to from the test instruction of data communication module and the configuration file from Configuration Manager, configures tested protection system data passage；And by the Ethernet interface of data communication module, SV data are sent with network or direct connection optical cable mode。Configuration Manager receives the test instruction from data communication module and merging unit profile；Formed for merging the configuration needs such as unit channel and parameter, and assign respectively to data acquisition module and data transmission module；Simultaneously, it may be achieved for merging the link Stateful Inspections such as unit hardware, software and data transmission；Preserve configuration operation information, configuration file and device abnormal information and test instruction；Receive through the data communication module data call from MMS network。
Described data communication module includes: MMS network communication unit, SV data communication units, wherein: MMS network communication unit receives merging unit profile and the test instruction of outer testing system, by configuration file output to Configuration Manager, test instruction is exported to data acquisition module, data transmission module and Configuration Manager；And the merging unit profile from MMS network and data call instruction can be received, call the information that Configuration Manager preserves。Support that realizing difference with T connection technology merges cascaded transmission MMS message between unit。The SV network service mouth foundation test instruction for testing of the SV data communication units; receive the test and excitation amount from outer testing system SV network, by Ethernet interface, the test and excitation amount of SV form is transmitted the analog input end to the system of protection with network or optical cable associated mode。
Described data acquisition module includes: data acquisition unit, mode switch element, wherein: data acquisition unit collection is the sampled value after A/D changes from transformer current and voltage analog, and can receive the test and excitation amount from data communication module SV form；Mode switch element is according to whether receive the test instruction from data communication module, the input channel of switch data processing unit, the input channel of normal condition data processing unit is through the A/D sampled value changed from transformer current and voltage analog, when being placed in test (TEST) state according to test instruction folding unit, switching input channel is the test and excitation amount from data communication module SV form, and transmits to data transmission module。
Described data transmission module includes: data configuration unit and data transmission unit; wherein: data configuration unit is according to the data channel by the test and excitation amount of SV form, needed for configuration extremely tested protection system from the test instruction of data communication module and the merging unit profile of Configuration Manager；The test and excitation amount of SV form, according to the data channel configuration information of data configuration unit, is transmitted to data communication module by data transmission unit。
Described Configuration Manager includes: configuration performance element, Condition Monitoring Unit and data storage cell, wherein: configuration performance element receives the configuration file from data communication module and test instruction, data channel configuration needs is transferred to data transmission unit to complete to merge the configurations such as the passage of unit, parameter；And configuration result is transferred to data storage cell；Condition Monitoring Unit performs to merge the status monitorings such as unit hardware, software, output port, and by abnormal results's transmission to data storage cell；Data storage cell preserves the configuration needs of self-configuring transmission unit, the configuration configuration result of performance element, Condition Monitoring Unit abnormal results, and receive through the data communication module data call from outer testing system。
Described test instruction includes: the tested title merging unit, protection device and intelligent terminal and startup test and excitation measure the initial setting time Ttest of examination。
Described test and excitation amount refers to: the test volume that applies with SV message through outer testing system and start time Tstart。
Described merging unit profile refers to: merge cell current, the outside access amount of voltage analog passage and parameter configuration requirement, such as SV data channel configuration information, the no-load voltage ratio of each data channel, Mac address, AppID, IP address etc.；
Described T connection technology refers to: the physical interface of device MMS network is bnc interface (cablet connection) or AUI interface (thick cable connection), adds T connector (cablet connection) with coaxial cable or transceiver (thick cable connection) connects with the form of serial between device。Requiring that higher occasion can replace coaxial cable with optical cable。
The present invention relates to the energizing quantity applying method of above-mentioned merging unit, comprise the following steps:
The first step, data communication module receive the outer testing system test instruction from MMS network and the test and excitation amount from SV net, respectively by test instruction transmission to data acquisition module, data transmission module and Configuration Manager；The test and excitation amount of SV form is transmitted to data acquisition module。
Second step, data acquisition module are according to the test instruction from data communication module, by original from electric current, voltage transformer through the A/D analog quantity sampled value processed, switch to the test and excitation amount from data communication module SV form, and the test and excitation amount of this SV form is transmitted to data transmission module；
3rd step, data transmission module are according to test instruction and the data channel configuration needs from Configuration Manager; by the test and excitation amount SV message from data acquisition module; configuration to the data channel of required test protection system, is sent through the Ethernet interface of data communication module；
4th step, Configuration Manager preserve the test command from data communication module and configuration file, and receive the outer testing system data call through data communication module。
Thus, the applying merging unit testing energizing quantity based on MMS service is completed。
Technique effect
Compared with prior art; the invention have the advantages that and can realize on-the-spot non-intrusion type test; the i.e. on-the-spot wiring not changing protection system; given by MMS network and merge unit applying test instruction; apply test and excitation amount through SV network, thus, produce the test and excitation input protector of SV form; complete the closed loop test of tested protection system, be greatly improved on-the-spot test efficiency。
Accompanying drawing explanation
Fig. 1 is present system structural representation；
In figure: 1. test instruction, 2. SV test and excitation amount, 3. configuration file, 4. data call, 5. T and engage and unit。
Fig. 2 is embodiment workflow diagram。
Detailed description of the invention
Below embodiments of the invention being elaborated, the present embodiment is carried out under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment。
Embodiment 1
As shown in Figure 1, the present embodiment includes: data communication module, data acquisition module, data transmission module and Configuration Manager, wherein: data communication module is through the test instruction of MMS communication interface outer testing system, respectively test instruction is exported to data acquisition module, data transmission module and Configuration Manager, merging unit is placed in TEST state；SV network service mouth for testing receives the SV test and excitation amount transmitted from outer testing system through SV network, and transmits to data acquisition module。Receive from MMS network merging unit profile and output to Configuration Manager, the data call from MMS network can be supported；Take T connection technology to realize difference and merge the cascade of MMS communication port between unit。When data acquisition module receives the test instruction of data communication module, by time properly functioning from the electric current of transformer and voltage analog through the A/D sampled value changed, switch to the test and excitation amount from outer testing system SV form, and transmit to data transmission module。Data transmission module receives the test and excitation amount from data acquisition module SV form, according to from the test instruction of data communication module and the configuration file from Configuration Manager, configures tested protection system data passage；And by the Ethernet interface of data communication module, the test and excitation amount of SV form is sent with network or direct connection optical cable mode。Configuration Manager receives the test instruction from data communication module and merging unit profile；Formed for merging the configuration needs such as unit channel and parameter, and assign respectively to data acquisition module and data transmission module；Simultaneously, it may be achieved for merging the link Stateful Inspections such as unit hardware, software and data transmission；Preserve configuration operation information, configuration file and device abnormal information and test instruction；Receive through the data communication module data call from MMS network。
Described data communication module includes: MMS network communication unit, SV data communication units, wherein: MMS network communication unit receives merging unit profile and the test instruction of outer testing system, by configuration file output to Configuration Manager, test instruction is exported to data acquisition module, data transmission module and Configuration Manager；And the merging unit profile from MMS network and data call instruction can be received, call the information that Configuration Manager preserves。Support that realizing difference with T connection technology merges cascaded transmission MMS message between unit。The SV network service mouth foundation test instruction for testing of the SV data communication units; receive the test and excitation amount from outer testing system SV network; by Ethernet interface by the test and excitation amount of SV form with network or optical cable associated mode, the analog input end of system is extremely protected in transmission。
Described data acquisition module includes: data acquisition unit, mode switch element, wherein: data acquisition unit collection is the sampled value after A/D changes from transformer current and voltage analog, and can receive the test and excitation amount from data communication module SV form；Mode switch element is according to whether receive the test instruction from data communication module, the input channel of switch data processing unit, the input channel of normal condition data processing unit is through the A/D sampled value changed from transformer current and voltage analog, when being placed in test (TEST) state according to test instruction folding unit, switching input channel is the test and excitation amount from data communication module SV form, and transmits to data transmission module。
Described data transmission module includes: data configuration unit and data transmission unit; wherein: data configuration unit is according to the data channel by the test and excitation amount of SV form, needed for configuration extremely tested protection system from the test instruction of data communication module and the merging unit profile of Configuration Manager；The test and excitation amount of SV form, according to the data channel configuration information of data configuration unit, is transmitted to data communication module by data transmission unit。
Described Configuration Manager includes: configuration performance element, Condition Monitoring Unit and data storage cell, wherein: configuration performance element receives the configuration file from data communication module and test instruction, data channel configuration needs is transferred to data transmission unit to complete to merge the configurations such as the passage of unit, parameter；And configuration result is transferred to data storage cell；Condition Monitoring Unit performs to merge the status monitorings such as unit hardware, software, output port, and by abnormal results's transmission to data storage cell；Data storage cell preserves the configuration needs of self-configuring transmission unit, the configuration configuration result of performance element, Condition Monitoring Unit abnormal results, and receive through the data communication module data call from outer testing system。
As in figure 2 it is shown, said system is accomplished by:
S100: data communication module receives the outer testing system test instruction from MMS network and the test and excitation amount from SV net, respectively by test instruction transmission to data acquisition module, data transmission module and Configuration Manager；The test and excitation amount of SV form is transmitted to data acquisition module。
S200: data acquisition module is according to the test instruction from data communication module, by original from current-voltage transformer through the A/D analog quantity sampled value processed, switch to the test and excitation amount from data communication module SV form, and the test and excitation amount of this SV form is transmitted to data transmission module；
S300: data transmission module is according to test instruction and the data channel configuration needs from Configuration Manager; by the test and excitation amount SV message from data acquisition module; configuration to the data channel of required test protection system, is sent through the Ethernet interface of data communication module；
S400: Configuration Manager preserves the test command from data communication module and configuration file, and receives the outer testing system data call through data communication module。
Thus, the applying merging unit testing energizing quantity based on MMS service is completed。
From above technical scheme, the merging unit based on MMS test and excitation that the embodiment of the present application provides can realize applying and the closed loop test of remote testing energizing quantity, substantially increases on-the-spot test efficiency, is conducive to improving the reliability of relay protection system。
Claims (7)
1. the merging unit based on MMS, it is characterized in that, including: data communication module, data acquisition module, data transmission module and Configuration Manager, wherein: data communication module is through the test instruction of MMS communication interface outer testing system, respectively test instruction is exported to data acquisition module, data transmission module and Configuration Manager, merging unit is placed in TEST state；SV network service mouth for testing receives the test and excitation amount of the SV form transmitted from outer testing system through SV network, and transmits to data acquisition module；Data communication module receives from the merging unit profile of MMS network and exports to Configuration Manager, and support is from the data call of MMS network；Take T connection technology to realize difference and merge the cascade of MMS communication port between unit；When data acquisition module receives the test instruction of data communication module, by time properly functioning from the electric current of transformer and voltage analog through the A/D sampled value changed, switch to the test and excitation amount from outer testing system SV form, and transmit to data transmission module；Data transmission module receives the test and excitation amount from data acquisition module SV form, according to from the test instruction of data communication module and the configuration file from Configuration Manager, configures tested protection system data passage；And by the Ethernet interface of data communication module, the test and excitation amount of SV form is sent with network or direct connection optical cable mode；Configuration Manager receives the test instruction from data communication module and merging unit profile；Formed for merging unit channel and parameter configuration demand, and assign respectively to data acquisition module and data transmission module；Simultaneously, it is achieved for merging unit hardware, software and data transmission link Stateful Inspection；Preserve configuration operation information, configuration file and device abnormal information and test instruction；Receive through the data communication module data call from MMS network。
2. merging unit according to claim 1, it is characterized in that, described data communication module includes: MMS network communication unit, SV data communication units, wherein: MMS network communication unit receives merging unit profile and the test instruction of outer testing system, by configuration file output to Configuration Manager, test instruction is exported to data acquisition module, data transmission module and Configuration Manager；And receive the merging unit profile from MMS network and data call instruction, call the information that Configuration Manager preserves；Support that realizing difference with T connection technology merges cascaded transmission MMS message between unit；The SV network service mouth foundation test instruction for testing of the SV data communication units; receive the test and excitation amount from outer testing system SV network; by Ethernet interface by the test and excitation amount of SV form with network or direct connection optical cable mode, the analog input end of system is extremely protected in transmission。
3. merging unit according to claim 1, it is characterized in that, described data acquisition module includes: data acquisition unit, mode switch element, wherein: data acquisition unit collection is the sampled value after A/D changes from the electric current of transformer and voltage analog, and receives the test and excitation amount from data communication module SV form；Mode switch element is according to whether receive the test instruction from data communication module, the input channel of switch data processing unit, the input channel of normal condition data processing unit is through the A/D sampled value changed from the electric current of transformer and voltage analog, when merging unit being placed in test (TEST) state according to test instruction, switching input channel is the test and excitation amount from data communication module SV form, and transmits to data transmission module。
4. merging unit according to claim 1; it is characterized in that; described data transmission module includes: data configuration unit and data transmission unit; wherein: data configuration unit is according to the data channel by the test and excitation amount of SV form, needed for configuration extremely tested protection system from the test instruction of data communication module and the merging unit profile of Configuration Manager；The test and excitation amount of SV form, according to the data channel configuration information of data configuration unit, is transmitted to data communication module by data transmission unit。
5. merging unit according to claim 1, it is characterized in that, described Configuration Manager includes: configuration performance element, Condition Monitoring Unit and data storage cell, wherein: configuration performance element receives the configuration file from data communication module and test instruction, data channel configuration information is transferred to data transmission unit to complete to merge the passage of unit, parameter configuration；And configuration result is transferred to data storage cell；Condition Monitoring Unit performs to merge unit hardware, software, output port status monitoring, and by abnormal results's transmission to data storage cell；Data storage cell preserves the configuration needs of self-configuring transmission unit, the configuration configuration result of performance element, Condition Monitoring Unit abnormal results, and receive through the data communication module data call from outer testing system。
6. the merging unit according to any of the above-described claim, is characterized in that, described test instruction includes: the tested title merging unit, protection device and intelligent terminal and startup test and excitation measure the initial setting time Ttest of examination；
Described test and excitation amount refers to: the test volume that applies with SV message through outer testing system and start time Tstart；
Described merging unit profile refers to: merge cell current, the outside access amount of voltage analog passage and parameter configuration requirement, including: SV data channel configuration information, the no-load voltage ratio of each data channel, Mac address, AppID, IP address；
Described T connection technology refers to: the physical interface of device MMS network is bnc interface or AUI interface, adds T connector or transceiver with coaxial cable and connect with the form of serial between device。
7. the energizing quantity applying method merging unit according to any of the above-described claim, it is characterised in that comprise the following steps:
The first step, data communication module receive the outer testing system test instruction from MMS network and the test and excitation amount from SV net, respectively by test instruction transmission to data acquisition module, data transmission module and Configuration Manager；The test and excitation amount of SV form is transmitted to data acquisition module；
Second step, data acquisition module are according to the test instruction from data communication module, by original from electric current, voltage transformer through the A/D analog quantity sampled value processed, switch to the test and excitation amount from data communication module SV form, and the test and excitation amount of this SV form is transmitted to data transmission module；
3rd step, data transmission module are according to test instruction and the data channel configuration information from Configuration Manager; test and excitation amount by the SV form from data acquisition module; configuration, to the data channel needed for test protection system, is sent through the Ethernet interface of data communication module；
4th step, Configuration Manager preserve the test instruction from data communication module and configuration file, and receive the outer testing system data call through data communication module；
Thus, complete to apply based on the merging unit testing energizing quantity of MMS。
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| CN104391498A (en) * | 2014-10-22 | 2015-03-04 | 国家电网公司 | Non-intrusive testing system for relay protection device and testing method thereof |
| CN107991545A (en) * | 2016-10-26 | 2018-05-04 | 南京南瑞继保电气有限公司 | A kind of periodical inspection method of digital relay protection |
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