CN105376119A - Intelligent transformer substation system grade time characteristic testing device - Google Patents
Intelligent transformer substation system grade time characteristic testing device Download PDFInfo
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- CN105376119A CN105376119A CN201510953691.1A CN201510953691A CN105376119A CN 105376119 A CN105376119 A CN 105376119A CN 201510953691 A CN201510953691 A CN 201510953691A CN 105376119 A CN105376119 A CN 105376119A
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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
- H04L43/0852—Delays
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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
- H04L43/50—Testing arrangements
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Abstract
The invention discloses an intelligent transformer substation system grade time characteristic testing device, comprising a data transmission system and a data analysis system. The data transmission system comprises a standard signal collection module, a data processing forwarding module and a synchronization signal output module; the standard signal collection module and the data processing forwarding module are connected to a data analysis system; and the output terminal of the synchronization signal output module is connected to the input terminals of the standard signal collection module and the data processing forwarding module. The invention can realize the time characteristic test on a merging unit to be tested, a protection measurement control device and an intelligent switch device, greatly improves the conditioning speed of the intelligent transformer substation, provides good technical guarantee to the development of the intelligent transformer station, and lays solid foundation to safety stable operation of the intelligent transformer station.
Description
Technical field
The present invention relates to the detection check equipment technical field of intelligent substation of electric power system and digital transformer substation, particularly relate to a kind of Intelligent Substation System level time response testing apparatus.
Background technology
Intelligent substation is important component part indispensable during intelligent grid is built.Compared with traditional transformer station, sampling between intelligent substation electrical equipment, control signal are changed in order to optical fiber and digital transmission means by traditional cable analog quantity transmission means more and more, also bring the instability problem of data information transfer thus, wherein the unsteadiness of time performance is particularly evident.EC61850(DL/T860) uniformity test of standard has carried out relevant regulations and explanation for system performance testing, and wherein uniformity test document proposes the requirement of two aspects to performance test, is respectively time accuracy and communication delay test.The domestic main employing synchronization accuracy of time accuracy and time keep time precision as test index, and communication delay mainly adopts dispersion and absolute delay as test index.
At present, the development of intelligent substation and digital transformer substation has entered into the large area engineer applied stage, for ensureing that intelligent substation safely and steadily runs, not only need before putting into operation to test various equipment self performance and function, more need to increase the weight of the system level testing to transformer station, to reach comprehensive assessment to intelligent substation overall performance and function and detection.From current situation, on market, existing dependence test instrument and instrument can only be combined the different intelligent electronic equipments such as unit, intelligent terminal and protection observing and controlling respectively and test, intelligent substation globality, systematic test request are departed from, reduce testing efficiency, and test mode produces test signal by testing equipment self, can not embody its true ruuning situation completely; Standard clock source and precision thereof is relied in test process, and the ability of signal when requiring testing equipment to have access and to export pair, reduce test compatible, add complexity and the difficulty in on-the-spot test loop.
Summary of the invention
The object of the present invention is to provide a kind of Intelligent Substation System level time response testing apparatus; time response test can be carried out to the tested merge cells of intelligent substation, protection supervisory equipment and Intellectualized Switchgear simultaneously, meet the system-level time response testing requirement of power system customer to intelligent substation.
For achieving the above object, the technical solution used in the present invention is:
Intelligent Substation System level time response testing apparatus, comprise data transmission system to unify data analysis system, data transmission system comprises standard signal acquisition module, data processing forwarding module and synchronizing signal output module, described standard signal acquisition module and data processing forwarding module connection data analytical system, the input of output connection standard signal acquisition module of synchronizing signal output module and the input of data processing forwarding module; The standard sample data obtained for obtaining the analog signal of an intelligent substation electricity, and based on the timeticks of synchronizing signal output module to analog signal sampling, are committed to data analysis system by standard signal acquisition module; The FT3 sample values that data processing forwarding module sends for receiving the tested merge cells of intelligent substation, and mark due in information and carry out format conversion, will with time target FT3 sample values be committed to data analysis system by Ethernet; Data processing forwarding module also for receiving SV message that the tested merge cells of intelligent substation sends and marking due in information, will with time target tested merge cells SV message be committed to data analysis system; Data processing forwarding module also for receiving Goose message that intelligent substation protection supervisory equipment sends and the Goose message that Intellectualized Switchgear sends and marking due in information respectively, will with time target protection supervisory equipment Goose message and Intellectualized Switchgear Goose message be committed to data analysis system; Data processing forwarding module also for Real-time Collection Intellectualized Switchgear on-off model and be committed to data analysis system; Synchronizing signal output module is for exporting pulse per second (PPS) synchronizing signal; Data analysis system, for extracting and the fundamental phase of the FT3 sample values of the standard sample data of contrast standard signal acquisition module output and the output of data processing forwarding module, realizes the time response test of the tested merge cells of intelligent substation; Data analysis system, also for the tested merge cells SV message of correction data processing forward module output and the time scale information of protection supervisory equipment Goose message, realizes the time response test of protection supervisory equipment; Data analysis system, also for the time scale information of Intellectualized Switchgear Goose message and the displacement information of on-off model of the output of correction data processing forward module, realizes the time response test of Intellectualized Switchgear.
Described data processing forwarding module comprises data receipt unit and data forwarding unit, data receipt unit is connected with data forwarding unit by shared dual-ported memory, the SV message that data receipt unit sends for receiving the tested merge cells of intelligent substation, meet the FT3 sample values of IEC60044-8 standard or national grid standard, the Goose message that protection supervisory equipment sends and the Goose message that Intellectualized Switchgear sends, and record tested merge cells SV message respectively, FT3 sample values, the due in information of protection supervisory equipment Goose message and Intellectualized Switchgear Goose message, data receipt unit is also for the on-off model of Real-time Collection Intellectualized Switchgear, data forwarding unit is used for respectively to tested merge cells SV message, protection supervisory equipment Goose message and Intellectualized Switchgear Goose packet labeling due in information, formed with time target tested merge cells SV message, data analysis system is sent to after protection supervisory equipment Goose message and Intellectualized Switchgear Goose message, data forwarding unit is also for marking due in information to FT3 sample values, and will with time target FT3 sample values convert IEC61850-9-1 protocol form to after send data analysis system to by Ethernet, data forwarding unit is also for sending the on-off model of Intellectualized Switchgear to data analysis system.
Described standard signal acquisition module comprises normal voltage collecting unit, normalized current collecting unit and Multi-path synchronous collection plate, normal voltage collecting unit comprises standard potential transformer and voltage signal transducer, the output of standard potential transformer connects the input of voltage signal transducer, normalized current collecting unit comprises standard current transformer and current signal transducer, the output of standard current transformer connects the input of current signal transducer, the output of voltage signal transducer is connected the input of Multi-path synchronous collection plate respectively with the output of current signal transducer, Multi-path synchronous collection plate connection data analytical system, the input of Multi-path synchronous collection plate also connects the output of synchronizing signal output module.
Described synchronizing signal output module comprises 1PPS pulse per second (PPS) synchronizing signal output unit and IRIG-B code to optical pulse signal output unit.
Described data receipt unit adopts FPGA, and described data forwarding unit adopts microprocessor.
Described data analysis system adopts PC host computer.
The present invention demarcates markers by standard signal acquisition module to the analog signal sampling of an intelligent substation electricity, and the time response test for merge cells is provided for the standard source contrasted; The present invention realizes reception, the synchronous process to the sampled data of intelligent substation various ways by data processing forwarding module and forwards, data analysis system is utilized to realize the time response test of each layer equipment of intelligent substation, substantially increase the debugging speed of intelligent substation, and providing good technique guarantee for the fast development construction of intelligent substation, the safe and stable operation for intelligent substation has laid solid foundation.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
As shown in Figure 1, Intelligent Substation System level time response testing apparatus of the present invention, comprise data transmission system to unify data analysis system, data transmission system comprises standard signal acquisition module, data processing forwarding module and synchronizing signal output module, standard signal acquisition module and data processing forwarding module connection data analytical system, the input of output connection standard signal acquisition module of synchronizing signal output module and the input of data processing forwarding module.
Standard signal acquisition module comprises normal voltage collecting unit, normalized current collecting unit and Multi-path synchronous collection plate, normal voltage collecting unit comprises standard potential transformer and voltage signal transducer, the output of standard potential transformer connects the input of voltage signal transducer, and the output of voltage signal transducer connects the input of Multi-path synchronous collection plate; Normalized current collecting unit comprises standard current transformer and current signal transducer, the output of standard current transformer connects the input of current signal transducer, the output of current signal transducer connects the input of Multi-path synchronous collection plate, Multi-path synchronous collection plate connection data analytical system, the input of Multi-path synchronous collection plate also connects the output of synchronizing signal output module.Standard signal acquisition module is for obtaining the analog signal of an intelligent substation electricity, and based on the timeticks of synchronizing signal output module to analog signal sampling, the standard sample data obtained are committed to data analysis system, as the contrast signal of merge cells time response test.Specifically, the primary voltage of intelligent substation is converted to secondary voltage by standard potential transformer, after overvoltage signal transducer, secondary voltage becomes the small voltage signal can changed for A/D, in like manner, the primary current of intelligent substation is converted to secondary current by standard current transformer, after overcurrent signal transducer, secondary current becomes the small area analysis signal can changed for A/D, Multi-path synchronous collection plate carries out high precision collecting to small voltage signal and small area analysis signal respectively based on the timeticks of synchronizing signal output module, and will with time target standard sample data be transferred to data analysis system, as the contrast standard source of merge cells time response test.
Data processing forwarding module comprises data receipt unit and data forwarding unit, and the data receipt unit in the present embodiment adopts FPGA to realize, and data forwarding unit adopts microprocessor to realize.Data receipt unit is connected with data forwarding unit by shared dual-ported memory and dual port RAM, can realize the exchanges data of every 1ms.Wherein, the peripheral circuit of data receipt unit comprises pulse per second (PPS) synchronous Signal Receiver Unit, Ethernet data receiving element and FT3 sample values receiving element, FT3 sample values receiving element adopts two groups of HFBR-2416 light receiving elements, adaptive reception can meet the FT3 sample values of IEC60044-8 standard or national grid standard; Ethernet data receiving element adopts two groups of AFBR-5803 ethernet transceiver parts; directly controlled by FPGA; the reception of two groups of SV messages or Goose message can be realized; wherein SV message is the sample values meeting IEC61850-9-1 or IEC61850-9-2 agreement that tested merge cells exports, and Goose message is the transformer substation case towards general object that protection supervisory equipment and Intellectualized Switchgear send.Data receipt unit by monitoring 1PPS pulse per second (PPS) synchronizing signal or IRIG-B code to optical pulse signal, the SV message that the tested merge cells of real-time reception intelligent substation sends, meet the FT3 sample values of IEC60044-8 standard or national grid standard, the Goose message that protection supervisory equipment sends and the Goose message that Intellectualized Switchgear sends, and record tested merge cells SV message respectively, FT3 sample values, the due in information of protection supervisory equipment Goose message and Intellectualized Switchgear Goose message, data receipt unit is also for the on-off model of Real-time Collection Intellectualized Switchgear.Data forwarding unit is used for respectively to tested merge cells SV message, protection supervisory equipment Goose message and Intellectualized Switchgear Goose packet labeling due in information, formed with time target tested merge cells SV message, protection supervisory equipment Goose message and Intellectualized Switchgear Goose message after send data analysis system to.Because data analysis system directly can not receive the sample values of FT3 form, data forwarding unit is also for marking due in information to FT3 sample values, and will with time target FT3 sample values convert IEC61850-9-1 protocol form to after send data analysis system to by Ethernet, data forwarding unit is also for sending the on-off model of Intellectualized Switchgear to data analysis system.
Synchronizing signal output module comprises 1PPS pulse per second (PPS) synchronizing signal output unit and IRIG-B code to optical pulse signal output unit, 1PPS pulse per second (PPS) synchronizing signal or IRIG-B code can be exported respectively to optical pulse signal, for the Multi-path synchronous collection plate of standard signal acquisition module and the data receipt unit of data processing forwarding module provide pulse per second (PPS) synchronizing signal.
Data analysis system in the present embodiment adopts PC host computer, data analysis system, for extracting and the fundamental phase of the FT3 sample values of the standard sample data of contrast standard signal acquisition module output and the output of data processing forwarding module, realizes the time response test of the tested merge cells of intelligent substation; Data analysis system, also for the tested merge cells SV message of correction data processing forward module output and the time scale information of protection supervisory equipment Goose message, realizes the time response test of protection supervisory equipment; Data analysis system, also for the time scale information of Intellectualized Switchgear Goose message and the displacement information of on-off model of the output of correction data processing forward module, realizes the time response test of Intellectualized Switchgear.
Operation principle of the present invention is: standard signal acquisition module based on the timeticks of synchronizing signal output module to the analog signal sampling of an intelligent substation electricity, and will with time target standard sample data be committed to data analysis system; Utilize data processing forwarding module to obtain tested merge cells by the FT3 sample values exported after the analog signal sampling of an intelligent substation electricity and record its due in information, will with time target FT3 sample values convert IEC61850-9-1 protocol form to after send data analysis system to by Ethernet; Data analysis system to time target FT3 sample values carry out interpolation processing and obtain synchronously sampled data, by extracting and contrasting the phase information of the fundamental signal of synchronously sampled data and standard sample data, complete electric current and voltage ratio of precision to check and absolute delay time measurement, Phase synchronization, realize the time response test of merge cells.
Data processing forwarding module of the present invention can receive Goose message that intelligent substation protection supervisory equipment sends and the SV message that tested merge cells sends, and based on the pulse per second (PPS) synchronizing signal difference record protection measure and control device Goose message of synchronizing signal output module output and the due in information of tested merge cells SV message, formed with time target protection supervisory equipment Goose message and tested merge cells SV message after be committed to data analysis system, data analysis system is according to the time scale information of tested merge cells SV message and protection supervisory equipment Goose message, calculate the operation time limit of relaying protection when breaking down, complete the time response test of protection supervisory equipment.
The Goose message that the present invention is sent by data processing forwarding module acquisition Intellectualized Switchgear, and record the due in information of Intellectualized Switchgear Goose message, formed with time target Intellectualized Switchgear Goose message after send data analysis system to, simultaneously Real-time Collection Intellectualized Switchgear on-off model and be committed to data analysis system, data analysis system divides/closes the displacement information of state according to the time scale information of Intellectualized Switchgear Goose message and switch, computational intelligence switchgear receive Goose message and the time of delay of process and Intellectualized Switchgear switch divide/conjunction state conjugates and sends the time of delay of Goose message, complete the time response test of Intellectualized Switchgear.
The present invention can realize the time response test of the tested merge cells of intelligent substation, protection supervisory equipment and Intellectualized Switchgear; substantially increase the debugging speed of intelligent substation; and providing good technique guarantee for the fast development construction of intelligent substation, the safe and stable operation for intelligent substation has laid solid foundation.
Claims (6)
1. Intelligent Substation System level time response testing apparatus, it is characterized in that: comprise data transmission system and to unify data analysis system, data transmission system comprises standard signal acquisition module, data processing forwarding module and synchronizing signal output module, described standard signal acquisition module and data processing forwarding module connection data analytical system, the input of output connection standard signal acquisition module of synchronizing signal output module and the input of data processing forwarding module; The standard sample data obtained for obtaining the analog signal of an intelligent substation electricity, and based on the timeticks of synchronizing signal output module to analog signal sampling, are committed to data analysis system by standard signal acquisition module; The FT3 sample values that data processing forwarding module sends for receiving the tested merge cells of intelligent substation, and mark due in information and carry out format conversion, will with time target FT3 sample values be committed to data analysis system by Ethernet; Data processing forwarding module also for receiving SV message that the tested merge cells of intelligent substation sends and marking due in information, will with time target tested merge cells SV message be committed to data analysis system; Data processing forwarding module also for receiving Goose message that intelligent substation protection supervisory equipment sends and the Goose message that Intellectualized Switchgear sends and marking due in information respectively, will with time target protection supervisory equipment Goose message and Intellectualized Switchgear Goose message be committed to data analysis system; Data processing forwarding module also for Real-time Collection Intellectualized Switchgear on-off model and be committed to data analysis system; Synchronizing signal output module is for exporting pulse per second (PPS) synchronizing signal; Data analysis system, for extracting and the fundamental phase of the FT3 sample values of the standard sample data of contrast standard signal acquisition module output and the output of data processing forwarding module, realizes the time response test of the tested merge cells of intelligent substation; Data analysis system, also for the tested merge cells SV message of correction data processing forward module output and the time scale information of protection supervisory equipment Goose message, realizes the time response test of protection supervisory equipment; Data analysis system, also for the time scale information of Intellectualized Switchgear Goose message and the displacement information of on-off model of the output of correction data processing forward module, realizes the time response test of Intellectualized Switchgear.
2. Intelligent Substation System level time response testing apparatus as claimed in claim 1, it is characterized in that: described data processing forwarding module comprises data receipt unit and data forwarding unit, data receipt unit is connected with data forwarding unit by shared dual-ported memory, the SV message that data receipt unit sends for receiving the tested merge cells of intelligent substation, meet the FT3 sample values of IEC60044-8 standard or national grid standard, the Goose message that protection supervisory equipment sends and the Goose message that Intellectualized Switchgear sends, and record tested merge cells SV message respectively, FT3 sample values, the due in information of protection supervisory equipment Goose message and Intellectualized Switchgear Goose message, data receipt unit is also for the on-off model of Real-time Collection Intellectualized Switchgear, data forwarding unit is used for respectively to tested merge cells SV message, protection supervisory equipment Goose message and Intellectualized Switchgear Goose packet labeling due in information, formed with time target tested merge cells SV message, data analysis system is sent to after protection supervisory equipment Goose message and Intellectualized Switchgear Goose message, data forwarding unit is also for marking due in information to FT3 sample values, and will with time target FT3 sample values convert IEC61850-9-1 protocol form to after send data analysis system to by Ethernet, data forwarding unit is also for sending the on-off model of Intellectualized Switchgear to data analysis system.
3. Intelligent Substation System level time response testing apparatus as claimed in claim 1 or 2, it is characterized in that: described standard signal acquisition module comprises normal voltage collecting unit, normalized current collecting unit and Multi-path synchronous collection plate, normal voltage collecting unit comprises standard potential transformer and voltage signal transducer, the output of standard potential transformer connects the input of voltage signal transducer, normalized current collecting unit comprises standard current transformer and current signal transducer, the output of standard current transformer connects the input of current signal transducer, the output of voltage signal transducer is connected the input of Multi-path synchronous collection plate respectively with the output of current signal transducer, Multi-path synchronous collection plate connection data analytical system, the input of Multi-path synchronous collection plate also connects the output of synchronizing signal output module.
4. Intelligent Substation System level time response testing apparatus as claimed in claim 3, is characterized in that: described synchronizing signal output module comprises 1PPS pulse per second (PPS) synchronizing signal output unit and IRIG-B code to optical pulse signal output unit.
5. Intelligent Substation System level time response testing apparatus as claimed in claim 4, it is characterized in that: described data receipt unit adopts FPGA, described data forwarding unit adopts microprocessor.
6. Intelligent Substation System level time response testing apparatus as claimed in claim 5, is characterized in that: described data analysis system adopts PC host computer.
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