CN202661620U - Verification system for electronic-type mutual inductor and for merging unit - Google Patents

Verification system for electronic-type mutual inductor and for merging unit Download PDF

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Publication number
CN202661620U
CN202661620U CN 201220215827 CN201220215827U CN202661620U CN 202661620 U CN202661620 U CN 202661620U CN 201220215827 CN201220215827 CN 201220215827 CN 201220215827 U CN201220215827 U CN 201220215827U CN 202661620 U CN202661620 U CN 202661620U
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mutual inductor
standard
electronic
merge cells
module
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金翼
唐陆生
李正芬
赵锋
王鹏翔
乔健捷
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Nanjing Dandick Science & Technology Development Co Ltd
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
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Nanjing Dandick Science & Technology Development Co Ltd
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
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Abstract

The utility model relates to a verification system for an electronic-type mutual inductor and for a merging unit, comprising a system for verifying the electronic-type mutual inductor and a system for verifying the merging unit. By changing a verification method taking the electronic-type mutual inductor and the merging unit as a whole into a verification method through which the electronic-type mutual inductor and the merging unit are respectively verified, the verification result positioning is made to be precise and a powerful reference can be provided for the error link analysis and device interchange. The operation of the verification method provided by the utility model is simple, and operating personnel can finish verification work through simple training. The verification system not only can be used for verifying a traditional mutual inductor, but also can be used for verifying the electronic-type mutual inductor. The verification system is capable of verifying analog quantity output as well as digital quantity output. The electronic-type mutual inductor and the merging unit can be respectively and separately verified, and the combination of the electronic-type mutual inductor and the merging unit can also be verified. Moreover, the verification system has the advantage of simple operation.

Description

The school check system of electronic mutual inductor and merge cells
Technical field
The utility model belongs to the power technology field, relate to a kind of whole school check system with traditional electronic mutual inductor and merge cells and method and change the system and method that electronic mutual inductor and merge cells is carried out respectively the school inspection into, inspection result location, school is more accurate, namely be applicable to electronic mutual inductor and traditional mutual inductor, again can the verification analog output and the output of check digit amount, and portable outstanding electronic mutual inductor and the school check system of merge cells.
Background technology
Along with the construction of China's extra-high voltage grid and deepening constantly of power system reform; intelligent grid will become a new direction of China's power network development; intelligent grid requires to realize the comprehensively integrated of the digital information systems such as monitoring, control, protection, maintenance, scheduling and electricity market management; form comprehensive aid decision making body; electronic mutual inductor becomes the important component part of image data in the intelligent grid owing to itself.Because the output of the secondary of electronic mutual inductor is different from traditional electromagnetic transformer, among GB/T20840.7-2007 and the GB/T20840.8-2007 clear two kinds of electronic mutual inductor output patterns: the analog quantity of small voltage signal and meet IEC 61850-9 form or the digital quantity of FT3 form, the output of this and traditional mutual inductor has difference in essence, and has also introduced brand-new merge cells (Merging Unit) equipment in the existing electronic mutual inductor scheme.Therefore, traditional transducer check mode is no longer applicable.Existing school inspection to electronic mutual inductor exists: the one, electronic mutual inductor and as a whole school inspection of merge cells, the inspection result that obtains in school can not analyze by electronic mutual inductor or merge cells and produce like this, cause the result of school inspection to locate inaccurate, can't embody each link error, if in the application process of reality, problem is arranged like this, will carry out integral replacing to electronic mutual inductor and merge cells, increase cost and burden to enterprise, and run counter to the device interchangeability principle that intelligent grid proposes; The 2nd, also do not have at present a kind of can the verification electronic mutual inductor again can verification tradition mutual inductor, can the verification analog output, again can the output of check digit amount, can independent verification electronic mutual inductor and merge cells, again as a whole verification, and the school check system of electronic mutual inductor simple to operate and merge cells.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and the school inspection that provides a kind of whole school check system with traditional electronic mutual inductor and merge cells and method to change into electronic mutual inductor and merge cells are carried out respectively the school inspection as a result registration, can be applicable to verification electronic mutual inductor and traditional mutual inductor, can be the verification analog output and the output of check digit amount, can independent verification electronic mutual inductor and also as a whole verification of merge cells, and the school check system of electronic mutual inductor simple to operate and merge cells.
The purpose of this utility model is achieved in that
A kind of school check system of the electronic mutual inductor for analog signal output, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, described electronic mutual inductor school inspection instrument comprises standard signal converter A and standard signal converter B, difference circuit, analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, the analog signal output of tested mutual inductor is connected with the tested input end of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument and tested input end are connected to difference circuit respectively behind standard signal converter A and standard signal converter B, analogue collection module is connection standard input end and difference circuit output terminal simultaneously, and data processing module is connected with analogue collection module and communication module.
A kind of school check system of the electronic mutual inductor for digital signal output, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, described electronic mutual inductor school inspection instrument comprises standard signal converter A, analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, the digital signal output of tested mutual inductor is connected with the measured number signal input part of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument is connected with analogue collection module after standard signal converter A conversion, the measured number signal input part is connected with communication module, and analogue collection module and communication module all are connected with data processing module.
The school check system of the school check system of described electronic mutual inductor for analog signal output or described electronic mutual inductor for digital signal output, described check system is only measured for checking electronic type transformers, does not comprise merge cells.
A kind of school check system of merge cells, comprise merge cells school inspection instrument, the data analysis unit that links to each other with merge cells school inspection instrument, inspection instrument in described merge cells school comprises the electronic mutual inductor emulation module, the standard merge cells emulation module that links to each other with the electronic mutual inductor emulation module, the clock module that links to each other with standard merge cells emulation module, the monitoring means that links to each other with clock module, the communication module that links to each other with monitoring means, and communication module links to each other with data analysis unit;
The electronic mutual inductor emulation module provides digital signal, AC analogue signal, interchange conventional simulation signal, remote signals and the synchronizing signal of standard to tested merge cells;
Tested merge cells exports data analysis unit to after the standard signal that receives is made up;
The signal sampling that standard merge cells emulation module sends the electronic mutual inductor emulation module;
The signal sampling that standard merge cells emulation module obtains resamples through the delay parameter of clock module according to tested merge cells, passes to monitoring means;
The data that monitoring means receives pass to data analysis unit through communication module;
The data analysis unit analysis receive from the signal of tested merge cells and the signal of communication module, draw and show the error of tested merge cells and school inspection result.
Described electronic mutual inductor emulation module output digit signals, AC analogue signal, interchange conventional simulation signal, remote signals and synchronizing signal.
The combination school check system of a kind of electronic mutual inductor and merge cells, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, described electronic mutual inductor school inspection instrument comprises analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, tested electronic mutual inductor output is connected with merge cells, the digital signal output of merge cells is connected with the measured number signal input part of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument is connected the measured number signal input part of electronic transducer calibration instrument with analogue collection module after standard signal converter A conversion, analogue collection module and communication module all are connected with data processing module.
The school check system of described electronic mutual inductor and merge cells separates the school inspection to electronic mutual inductor and merge cells, respectively electronic mutual inductor and merge cells is carried out the school inspection,
Wherein to the principle of work of the electronic mutual inductor of analog signal output, may further comprise the steps:
Step 1, stepup transformer or current lifting device provide the experiment source for standard mutual inductor and tested mutual inductor, and standard signal converter A and standard signal converter B carry out the analog output of standard mutual inductor and tested mutual inductor to send into difference circuit after the signal conversion respectively,
Step 2, analogue collection module are sampled to difference circuit output and standard mutual inductor output simultaneously, and sampled result is passed to data processing module,
Step 3, data processing module carry out analytical calculation with the normal data in the step 2 and difference data, obtain the error of tested mutual inductor,
Step 4, electronic mutual inductor school inspection instrument record also show school inspection result;
Principle of work to the electronic mutual inductor of digital signal output may further comprise the steps:
Step 1, stepup transformer or current lifting device provide the experiment source for standard mutual inductor and tested mutual inductor, the output of standard mutual inductor is sent into analogue collection module and is sampled after the standard signal converter A of electronic transducer calibration instrument conversion, the digital output of tested mutual inductor is connected with data processing module behind communication module
Step 2, analogue collection module are exported standard mutual inductor and are sampled, and sampled result is passed to data processing module,
Step 3, data processing module carry out analytical calculation with the normal data in the step 2 and the measured data in the step 1, obtain the error of tested mutual inductor,
Step 4, electronic mutual inductor school inspection instrument record also show school inspection result;
Be combined the principle of work of unit, may further comprise the steps:
Step 1, electronic mutual inductor emulation module provide digital signal, simulating signal, conventional simulation signal and remote signals to tested merge cells,
Step 2, tested merge cells export data analysis unit to after with the signal combination that receives,
The signal sampling that step 3, standard merge cells emulation module send the electronic mutual inductor emulation module;
Step 4, standard merge cells emulation module obtain signal sampling and resample through the delay parameter of clock module according to tested merge cells, pass to monitoring means;
The data that step 5, monitoring means receive pass to data analysis unit through communication module;
Step 6, data analysis unit analysis receive from the signal of tested merge cells and the signal of communication module, draw the error of tested merge cells, and show school inspection result at merge cells school inspection instrument.
The combination school check system of described electronic mutual inductor and merge cells carries out verification as a whole to electronic mutual inductor and merge cells, and its principle of work may further comprise the steps:
Step 1, stepup transformer or current lifting device provide the experiment source for standard mutual inductor and tested mutual inductor, the output of standard mutual inductor is sent into analogue collection module and is sampled after the standard signal converter A of electronic transducer calibration instrument conversion, tested mutual inductor output is connected with merge cells, the digital signal output of merge cells is connected with data processing module behind the communication module of electronic transducer calibration instrument
Step 2, analogue collection module to standard mutual inductor output sample, obtain normal data, and will sample to normal data pass to data processing module,
Step 3, data processing module carry out analytical calculation with the normal data in the step 2 and the measured data in the step 1, obtain the global error of tested mutual inductor and merge cells,
Step 4, electronic mutual inductor school inspection instrument record also show school inspection result.
The utlity model has following positive effect: the school check system of the utility model electronic mutual inductor and merge cells makes existing overall work principle to electronic mutual inductor and respectively school inspection of merge cells into, the as a result specific aim that detects of school is stronger like this, error location is more accurate, electronic mutual inductor can accurately be analyzed or merge cells is defective, so that change the parts that go wrong, which want problem identificatioin to go out in link after having solved the formula school inspection of whole school procuratorial organ, can't realize the device interchangeability principle that intelligent grid proposes, if occur to change then can generally need electronic mutual inductor and merge cells and saved thus the cost of enterprise together with changing, alleviated the burden of enterprise; Principle of work of the present utility model is simple to operate, operating personnel can finish school inspection work through simple training; School of the present utility model check system also have can the verification electronic mutual inductor also can verification tradition mutual inductor, can the verification analog output also can the output of verification check digit amount, can independent verification electronic mutual inductor and merge cells again can be with they as a whole verifications, and advantage simple to operate.
Description of drawings
Fig. 1 is the school check system theory diagram of the electronic mutual inductor for analog signal output of the present utility model.
Fig. 2 is the school check system theory diagram of the electronic mutual inductor for digital signal output of the present utility model.
Fig. 3 is the theory diagram of the school check system of merge cells of the present utility model.
Fig. 4 is the theory diagram of the combination school check system of electronic mutual inductor of the present utility model and merge cells.
Among the figure: 1, electronic mutual inductor emulation module 2, standard merge cells emulation module 3, monitoring means 4, clock module 5, network communication module 6, tested merge cells 7, data analysis unit 8, stepup transformer or current lifting device 9, standard mutual inductor 10, tested mutual inductor 11, standard signal converter A 12, standard signal converter B 13, difference circuit 14, analogue collection module 15, data processing module 16, communication module 17, merge cells 18, clock module 19 power adjustment casees, 20 electronic transducer calibration instruments 21, merge cells school inspection instrument.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Embodiment 1
As shown in Figure 1, a kind of school check system of the electronic mutual inductor for analog signal output, comprise standard mutual inductor 9, stepup transformer or current lifting device 8, power adjustment case 19 and electronic mutual inductor school inspection instrument 20, described electronic mutual inductor school inspection instrument 20 comprises standard signal converter A11 and standard signal converter B12, difference circuit 13, analogue collection module 14, data processing module 15 and communication module 16, described power adjustment case 19 is connected with stepup transformer or current lifting device 8, stepup transformer or current lifting device 8 output terminals are connected with the once end of standard mutual inductor 9 and tested mutual inductor 10, the secondary output terminal of standard mutual inductor 9 is connected with the standard input end of electronic transducer calibration instrument 20, the analog signal output of tested mutual inductor 10 is connected with the tested input end of electronic transducer calibration instrument 20, the standard input end of electronic transducer calibration instrument 20 and tested input end are connected to difference circuit 13 respectively behind standard signal converter A11 and standard signal converter B12, analogue collection module 14 is connection standard input end and difference circuit 13 output terminals simultaneously, and data processing module 15 is connected with analogue collection module 14 and communication module 16.
The school check system of the electronic mutual inductor for analog signal output of the present utility model carries out the inspection of independent school for the electronic mutual inductor of analog signal output,
Its principle of work may further comprise the steps:
Step 1, stepup transformer or current lifting device 8 provide the experiment source for standard mutual inductor 9 and tested mutual inductor 10, and standard signal converter A11 and standard signal converter B12 carry out the analog output of standard mutual inductor 9 and tested mutual inductor 10 to send into difference circuit 13 after the signal conversion respectively;
Step 2, analogue collection module 14 are sampled to difference circuit 13 outputs and standard mutual inductor 9 outputs simultaneously, and sampled result is passed to data processing module 15;
Step 3, data processing module 15 carry out analytical calculation with the normal data in the step 2 and difference data, obtain the error of tested mutual inductor 10;
Step 4, electronic mutual inductor school inspection instrument 20 records also show school inspection result.
Described check system is only measured for checking electronic type transformers, does not comprise merge cells.
Embodiment 2
As shown in Figure 2, a kind of school check system of electronic mutual inductor, comprise standard mutual inductor 9, stepup transformer or current lifting device 10, power adjustment case 19 and electronic mutual inductor school inspection instrument 20, described electronic mutual inductor school inspection instrument 20 comprises standard signal converter A11, analogue collection module 14, data processing module 15 and communication module 16, described power adjustment case 19 is connected with stepup transformer or current lifting device 8, stepup transformer or current lifting device 8 output terminals are connected with the once end of standard mutual inductor 9 and tested mutual inductor 10, the secondary output terminal of standard mutual inductor 9 is connected with the standard input end of tester 20, the digital signal output of tested mutual inductor 10 is connected with the measured number signal input part of the communication module 16 of electronic transducer calibration instrument 20, the standard input end of electronic transducer calibration instrument 20 is connected with analogue collection module 14 after standard signal converter A11 conversion, the measured number signal input part is connected with communication module 16, and analogue collection module 14 and communication module 16 all are connected with data processing module 15.
The school check system of the electronic mutual inductor for digital signal output of the present utility model carries out the inspection of independent school for the electronic mutual inductor of digital signal output, and its principle of work may further comprise the steps:
Step 1, stepup transformer or current lifting device 8 provide the experiment source for standard mutual inductor 9 and tested mutual inductor 10, the output of standard mutual inductor 9 is sent into analogue collection module 14 and is sampled after the standard signal converter A11 of electronic transducer calibration instrument 20 conversion, the digital output of tested mutual inductor 10 is connected with data processing module 15 behind communication module 16;
Step 2,9 outputs of 14 pairs of standard mutual inductors of analogue collection module are sampled, and sampled result are passed to data processing module 15;
Step 3, data processing module 15 carry out analytical calculation with the normal data in the step 2 and the measured data in the step 1, obtain the error of tested mutual inductor 20;
Step 4, electronic mutual inductor school inspection instrument 20 records also show school inspection result.
Described check system is only measured for checking electronic type transformers, does not comprise merge cells.
Embodiment 3
As shown in Figure 3, a kind of school check system of merge cells, comprise merge cells school inspection instrument 21, the data analysis unit 7 that links to each other with merge cells school inspection instrument 21, inspection instrument 21 in described merge cells school comprises electronic mutual inductor emulation module 1, the standard merge cells emulation module 2 that links to each other with electronic mutual inductor emulation module 1, the clock module 4 that links to each other with standard merge cells emulation module 2, the monitoring means 3 that links to each other with clock module 4, the communication module 5 that links to each other with monitoring means 3, and communication module 5 links to each other with data analysis unit 7;
Electronic mutual inductor emulation module 1 provides digital signal, AC analogue signal, interchange conventional simulation signal, remote signals and the synchronizing signal of standard to tested merge cells 6;
Export the communication module 5 of electronic transducer calibration instrument 21 after tested merge cells 6 makes up the standard signal that receives to, be forwarded to data analysis unit 7 by communication module 5 again;
The signal sampling that 2 pairs of electronic mutual inductor emulation modules 1 of standard merge cells emulation module send;
The signal sampling that standard merge cells emulation module 2 obtains resamples through the delay parameter of clock module 4 according to tested merge cells 6, passes to monitoring means 7;
The data that monitoring means 7 receives pass to data analysis unit 7 through communication module 5;
Data analysis unit 7 analysis receive from the signal of tested merge cells 6 and the signal of standard merge cells emulation module 2, draw and show error and the school inspection result of tested merge cells 6.
Merge cells of the present utility model school check system carries out the inspection of independent school for merge cells,
Wherein principle of work may further comprise the steps:
Step 1, electronic mutual inductor emulation module 1 provide digital signal, simulating signal, conventional simulation signal and remote signals to tested merge cells 6 according to demand;
Step 2, tested merge cells 6 export communication module 5 to after with the signal combination that receives, and then send into data analysis unit 7;
The signal sampling that step 3,2 pairs of electronic mutual inductor emulation modules 1 of standard merge cells emulation module send;
Step 4, standard merge cells emulation module 2 obtain signal sampling and resample through the delay parameter of clock module 4 according to tested merge cells 6, pass to monitoring means 3;
The data that step 5, monitoring means 3 receive pass to data analysis unit 7 through communication module 5;
Step 6, data analysis unit 7 analyze receive from the signal of tested merge cells 6 and the signal of standard merge cells emulation module 2, draw the error of tested merge cells 6, and show schools inspection results at merge cells school inspection instrument 21.
Described electronic mutual inductor emulation module output digit signals, AC analogue signal, interchange conventional simulation signal, remote signals and synchronizing signal.
Embodiment 4
As shown in Figure 4, the combination school check system of a kind of electronic mutual inductor and merge cells, comprise standard mutual inductor 9, stepup transformer or current lifting device 8, power adjustment case 19 and electronic mutual inductor school inspection instrument 20, described electronic mutual inductor school inspection instrument 20 comprises standard signal converter A11, analogue collection module 14, data processing module 15 and communication module 16, described power adjustment case 19 is connected with stepup transformer or current lifting device 8, stepup transformer or current lifting device 8 output terminals are connected with the once end of standard mutual inductor 9 and tested mutual inductor 10, the secondary output terminal of standard mutual inductor 9 is connected with the standard input end of electronic mutual inductor school inspection instrument 20, tested mutual inductor 10 outputs are connected with merge cells 17, the digital signal output of merge cells 17 is connected with the measured number signal input part of electronic mutual inductor school inspection instrument 20, the standard input end of electronic mutual inductor school inspection instrument 20 is connected with analogue collection module 14 after standard signal converter A11 conversion, the measured number signal input part of electronic mutual inductor school inspection instrument 20, analogue collection module 14 and communication module 16 all are connected with data processing module 15.
The whole school of electronic mutual inductor of the present utility model and merge cells check system carries out the school inspection for the integral body of electronic mutual inductor and merge cells formation,
Its principle of work may further comprise the steps:
Step 1, stepup transformer or current lifting device 8 provide the experiment source for standard mutual inductor 9 and tested mutual inductor 10, the output of standard mutual inductor 9 is sent into analogue collection module 14 and is sampled after the standard signal converter A11 of tester 20 conversion, tested mutual inductor 10 outputs are connected with merge cells 17, the digital signal output of merge cells 17 is connected with the communication module 16 of electronic transducer calibration instrument 20, then sends into data processing module 15;
Step 2,9 outputs of 14 pairs of standard mutual inductors of analogue collection module are sampled, and sampled result are passed to data processing module 15;
Step 3, data processing module 15 carry out analytical calculation with the normal data in the step 2 and the measured data in the step 1, obtain the global error of tested mutual inductor 10 and merge cells 17;
Step 4, electronic mutual inductor school inspection instrument 20 records also show school inspection result.
The school check system of the utility model electronic mutual inductor and merge cells makes existing whole school check system and method to electronic mutual inductor and respectively school inspection of merge cells into, the as a result specific aim that detects of school is stronger like this, can accurately analyze the error of electronic mutual inductor or the error of merge cells, so that change the parts that go wrong, want integral replacing electronic mutual inductor and merge cells unit's problem after having solved the inspection of traditional check system school, school, saved enterprise cost, alleviated the burden of enterprise; School of the present utility model check system can the verification electronic current mutual inductor, again can the verification electronic type voltage transformer, can the verification analog output, again can the output of check digit amount, also support simultaneously the whole verification to electronic mutual inductor and merge cells, and simple to operate advantage arranged.

Claims (6)

1. school check system for the electronic mutual inductor of analog signal output, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, it is characterized in that: described electronic mutual inductor school inspection instrument comprises standard signal converter A and standard signal converter B, difference circuit, analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, the analog signal output of tested mutual inductor is connected with the tested input end of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument and tested input end are connected to difference circuit respectively behind standard signal converter A and standard signal converter B, analogue collection module is connection standard input end and difference circuit output terminal simultaneously, and data processing module is connected with analogue collection module and communication module.
2. school check system for the electronic mutual inductor of digital signal output, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, it is characterized in that: described electronic mutual inductor school inspection instrument comprises standard signal converter A, analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, the digital signal output of tested mutual inductor is connected with the measured number signal input part of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument is connected with analogue collection module after standard signal converter A conversion, the measured number signal input part is connected with communication module, and analogue collection module and communication module all are connected with data processing module.
3. the school check system of the school check system of the electronic mutual inductor for analog signal output according to claim 1 or the electronic mutual inductor for digital signal output claimed in claim 2, it is characterized in that: described check system is only measured for checking electronic type transformers, does not comprise merge cells.
4. the school check system of a merge cells, comprise merge cells school inspection instrument, the data analysis unit that links to each other with merge cells school inspection instrument, it is characterized in that: inspection instrument in described merge cells school comprises the electronic mutual inductor emulation module, the standard merge cells emulation module that links to each other with the electronic mutual inductor emulation module, the clock module that links to each other with standard merge cells emulation module, the monitoring means that links to each other with clock module, the communication module that links to each other with monitoring means, and communication module links to each other with data analysis unit;
The electronic mutual inductor emulation module provides digital signal, AC analogue signal, interchange conventional simulation signal, remote signals and the synchronizing signal of standard to tested merge cells;
Tested merge cells exports data analysis unit to after the standard signal that receives is made up;
The signal sampling that standard merge cells emulation module sends the electronic mutual inductor emulation module;
The signal sampling that standard merge cells emulation module obtains resamples through the delay parameter of clock module according to tested merge cells, passes to monitoring means;
The data that monitoring means receives pass to data analysis unit through communication module;
The data analysis unit analysis receive from the signal of tested merge cells and the signal of communication module, draw and show the error of tested merge cells and school inspection result.
5. the school check system of merge cells according to claim 4 is characterized in that: described electronic mutual inductor emulation module output digit signals, AC analogue signal, interchange conventional simulation signal, remote signals and synchronizing signal.
6. the combination school check system of an electronic mutual inductor and merge cells, comprise standard mutual inductor, stepup transformer or current lifting device, power adjustment case and electronic mutual inductor school inspection instrument, it is characterized in that: described electronic mutual inductor school inspection instrument comprises standard signal converter A, analogue collection module, data processing module and communication module, described power adjustment case is connected with stepup transformer or current lifting device, stepup transformer or current lifting device output terminal are connected with the once end of standard mutual inductor and tested electronic mutual inductor, the secondary output terminal of standard mutual inductor is connected with the standard input end of electronic transducer calibration instrument, tested electronic mutual inductor output is connected with merge cells, the digital signal output of merge cells is connected with the measured number signal input part of electronic transducer calibration instrument, the standard input end of electronic transducer calibration instrument is connected the measured number signal input part of electronic transducer calibration instrument with analogue collection module after standard signal converter A conversion, analogue collection module and communication module all are connected with data processing module.
CN 201220215827 2012-05-15 2012-05-15 Verification system for electronic-type mutual inductor and for merging unit Expired - Fee Related CN202661620U (en)

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CN102662152A (en) * 2012-05-15 2012-09-12 河南省电力公司济源供电公司 Electronic type mutual inductor as well as system and method for verifying merging unit
CN103235279A (en) * 2013-03-28 2013-08-07 国家电网公司 Electronic transformer output checking device
CN103278791A (en) * 2013-05-10 2013-09-04 国家电网公司 Electronic transformer amplitude and phase error checking system with networked detection function
CN103558474A (en) * 2013-11-08 2014-02-05 国家电网公司 Novel merging unit verifying device
CN103926550A (en) * 2014-04-11 2014-07-16 贵州大学 Device and method for checking electric transformer based on virtual instrument
CN104407316A (en) * 2014-12-16 2015-03-11 国家电网公司 Calibrating device and calibrating method based on discrete synchronous power sources

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Publication number Priority date Publication date Assignee Title
CN102662152A (en) * 2012-05-15 2012-09-12 河南省电力公司济源供电公司 Electronic type mutual inductor as well as system and method for verifying merging unit
CN103235279A (en) * 2013-03-28 2013-08-07 国家电网公司 Electronic transformer output checking device
CN103235279B (en) * 2013-03-28 2016-03-23 国家电网公司 A kind of electric mutual inductor output verification device
CN103278791A (en) * 2013-05-10 2013-09-04 国家电网公司 Electronic transformer amplitude and phase error checking system with networked detection function
CN103278791B (en) * 2013-05-10 2015-09-02 国家电网公司 The electronic mutual inductor amplitude phase error check system that Networkable detects
CN103558474A (en) * 2013-11-08 2014-02-05 国家电网公司 Novel merging unit verifying device
CN103926550A (en) * 2014-04-11 2014-07-16 贵州大学 Device and method for checking electric transformer based on virtual instrument
CN104407316A (en) * 2014-12-16 2015-03-11 国家电网公司 Calibrating device and calibrating method based on discrete synchronous power sources
CN104407316B (en) * 2014-12-16 2017-05-03 国家电网公司 Calibrating device and calibrating method based on discrete synchronous power sources

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