CN203909262U - Device for verifying intelligent electronic mutual inductor based on IEC61850 - Google Patents
Device for verifying intelligent electronic mutual inductor based on IEC61850 Download PDFInfo
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- CN203909262U CN203909262U CN201420024582.2U CN201420024582U CN203909262U CN 203909262 U CN203909262 U CN 203909262U CN 201420024582 U CN201420024582 U CN 201420024582U CN 203909262 U CN203909262 U CN 203909262U
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- mutual inductor
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- 238000012795 verification Methods 0.000 claims abstract description 12
- 230000001939 inductive effect Effects 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 8
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a device for verifying an intelligent electronic mutual inductor based on IEC61850, and the device comprises a standard mutual inductor, a voltage or current increasing apparatus, a multi-mode fiber optical transceiver, a synchronous source, a standard resistor or an inductive voltage divider, and a PC. If the standard mutual inductor is a current mutual inductor with the same rated primary currents during the verification of the intelligent electronic mutual inductor, the voltage or current increasing apparatus are a current-increasing unit and a voltage regulator. If the standard mutual inductor is a voltage transformer with the same voltage classes during the verification of the intelligent electronic mutual inductor, the voltage or current increasing apparatus are a voltage booster and the voltage regulator. The to-be-detected intelligent electronic mutual inductor and the standard mutual inductor input signals into the PC at the same time, and the control and data processing are achieved through IED Scout software. The device is great in adaptive capacity, has different standards of mutual inductors, can verify various types of intelligent electronic mutual inductors, is accurate and reliable in performance, and is convenient to use.
Description
Technical field
The utility model relates to electronic transformer calibrator, specifically a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850.
Background technology
The develop rapidly of photoelectric technology and computer technology, makes electronic mutual inductor show wide prospect and powerful vitality.Electronic mutual inductor makes full use of the various excellent specific properties of electro-optic crystal and the advantage of modern photoelectric technology, signal processing adopts advanced digital signal processing technique, there are good insulating property, stronger shoulder electromagnetic interference capability, measure bandwidth, dynamic range is large etc., there is real-time, rapidity and be convenient to carry out the features such as complicated algorithm processing.Electronic mutual inductor causes that power industry pays close attention to widely in recent years, adds catalysis and the promotion of Digital Signal Processing and photoelectric technology, shows good growth momentum.
For guaranteeing the charge of electrical network charge critical point point accurately and the good realization of control, protection, measurement function, electronic mutual inductor is necessary to carry out relevant verification and tests, thereby safeguards the safe and stable operation of electrical network.Intelligent electronic-type mutual-inductor calibration device based on IEC61850 does not also have Patents at present, thereby applies for this patent under such background.
Summary of the invention
The purpose of this utility model is exactly to be badly in need of carrying out accuracy verification for electronic mutual inductor, and electronic type calibration equipment is also fewer, so propose a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850.
The utility model for addressing the above problem adopted solution is:
A kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850, comprise standard mutual inductor, boost or up-flow device, multimode optical fiber transceiver, measuring resistance or inductive voltage divider, PC, its syndeton is: PC is connected with multimode optical fiber transceiver by digital electronic signal, and multimode optical fiber transceiver is connected with to-be-tested transformer by digital fiber signal; PC is also connected with standard mutual inductor by analog electronic signal by analog electronic signal and measuring resistance or inductive voltage divider connection standard resistance or inductive voltage divider, and the logical super-high-current of standard mutual inductor is connected with to-be-tested transformer; Boost or up-flow device is connected between standard mutual inductor and to-be-tested transformer; On PC, be also provided with synchronisation source;
Wherein, when verification be Intelligent electronic-type current transformer time, standard mutual inductor is the current transformer that rated primary current is identical, boosts or up-flow device is current lifting device and pressure regulator; When verification be Intelligent electronic-type voltage transformer (VT) time, the voltage transformer (VT) that mutual inductor standard is identical electric pressure, boosts or up-flow device is stepup transformer and pressure regulator;
PC described in the utility model is in-built the CPC3568 of German OMICRON company
1/
2position High Precision Analog-Data-Acquisition Card is as input front end processor.
Synchronisation source described in the utility model produces synchronous triggering signal so that the German OMICRON CPC356 of company board is sampled simultaneously, so that the digital signal of unified electronic mutual inductor output and the simulating signal of standard mutual inductor.
Fiber optical transceiver described in the utility model is a kind of Ethernet transmission medium converting unit that the light signal of short-range twisted-pair feeder electric signal and long distance is exchanged.
Key component of the present utility model is:
1, the board of OMICRON company of the collection utilization of simulating signal Germany is realized Fourier's Fast transforms, the signal processing function that signal disposal and analysis utilizes IED Scout to provide is realized immediately, the software that the detection of hardware and calibration are used the CPC Test(OMICRON company of OMICRON company to provide), confirm the good of hardware state, greatly shorten the development time of program.
2, digital signal adopts multimode optical fiber transceiver to be converted into the digital electric signal that utilizes Double-strand transmission, thereby the board of German OMICRON company can be gathered smoothly.
3, boost or up-flow device will, according to electronic mutual inductor parameter to be measured, be matched corresponding stepup transformer or current lifting device, to can be raised in test rated voltage or the rated current of electronic mutual inductor to be measured.
4, the synchronisation source digital signal of electronic mutual inductor output that will produce synchronous triggering signal so that the CPC356 of OMICRON company card is sampled simultaneously and the simulating signal of standard mutual inductor.
5, the software that utilizes CPC Test(OMICRON company of OMICRON company to provide) exploitation program, principle in strict accordance with the indirect method of measurement contrasts electronic mutual inductor to be measured and conventional mutual inductor output signal, calculate the ratio angular difference of electronic mutual inductor to be measured, thereby determine the quality of electronic mutual inductor performance to be measured.
Brief description of the drawings
Fig. 1 is the utility model Intelligent electronic-type current transformer calibration equipment structural representation;
Fig. 2 is the utility model Intelligent electronic-type voltage transformer (VT) calibration equipment structural representation;
The IED Scout software architecture diagram that Fig. 3 the utility model uses;
Fig. 4 the utility model wiring connection layout.
Embodiment
See Fig. 1, Fig. 2, Fig. 3, a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850, comprise standard mutual inductor, boost or up-flow device, multimode optical fiber transceiver, measuring resistance or inductive voltage divider, PC, its syndeton is: PC is connected with multimode optical fiber transceiver by digital electronic signal, and multimode optical fiber transceiver is connected with to-be-tested transformer by digital fiber signal; PC is also connected with standard mutual inductor by analog electronic signal by analog electronic signal and measuring resistance or inductive voltage divider connection standard resistance or inductive voltage divider, and the logical super-high-current of standard mutual inductor is connected with to-be-tested transformer; Boost or up-flow device is connected between standard mutual inductor and to-be-tested transformer; On PC, be also provided with synchronisation source;
Wherein, when verification be Intelligent electronic-type current transformer time, standard mutual inductor is the current transformer that rated primary current is identical, boosts or up-flow device is current lifting device and pressure regulator; When verification be Intelligent electronic-type voltage transformer (VT) time, the voltage transformer (VT) that mutual inductor standard is identical electric pressure, boosts or up-flow device is stepup transformer and pressure regulator;
PC described in the utility model is in-built the CPC3568 of German OMICRON company
1/
2position High Precision Analog-Data-Acquisition Card is as input front end processor.
Synchronisation source described in the utility model produces synchronous triggering signal so that the German OMICRON CPC356 of company board is sampled simultaneously, so that the digital signal of unified electronic mutual inductor output and the simulating signal of standard mutual inductor.
Fiber optical transceiver described in the utility model is a kind of Ethernet transmission medium converting unit that the light signal of short-range twisted-pair feeder electric signal and long distance is exchanged.
The utility model software is the IED Scout software operating on PC.
Press such scheme, the described Intelligent electronic-type mutual-inductor calibration device based on IEC61850 comprises PC and the German OMICRON CPC356 of company board, and electronic current mutual inductor verification connection layout as shown in Figure 1.
Press such scheme, the described Intelligent electronic-type mutual-inductor calibration device based on IEC61850 comprises PC and the German OMICRON CPC356 of company board, and electronic type voltage transformer verification connection layout as shown in Figure 2.
Press such scheme, in the described Intelligent electronic-type mutual-inductor calibration device based on IEC61850, IED Scout software architecture diagram as shown in Figure 3.
Press such scheme, the described Intelligent electronic-type mutual-inductor calibration device wiring connection layout based on IEC61850 as shown in Figure 4.
On software, the G Programming with Pascal Language that adopts IED Scout Software Development Platform to provide, data processing, analysis, calculating, storage, demonstration and the printing of device, the function such as communicate by letter all realize by software.The main process module of software as shown in Figure 3, IEC61850 program first twisted-pair feeder is imported data collecting card into, read in digital signal from data collecting card, then digital signal is carried out the data processings such as digital filtering and windowing, wherein have waveform and frequency spectrum show, than angular difference show, data adjustment and parameter arrange etc.
The major function of device has:
1, waveform and frequency spectrum show: display standard mutual inductor and to-be-tested transformer waveform and the amplitude frequency spectrum after up-flow that boost respectively;
2, show than angular difference: the result that standard mutual inductor and to-be-tested transformer are boosted after up-flow is subtracted each other, show residual error waveform;
3, data adjustment and parameter setting: for the curtage mutual inductor to be measured of different model, change respectively software setting and parameter, thereby make the IED Scout program can normal process;
This software is arranged on PC, lightweight, portable, thereby conveniently the various electronic mutual inductors in scene is checked.Maximum feature is that user can be self-defined according to the mutual inductor of different model, and user can be according to the needs change of oneself or the function of expanding device, and secondly powerful function and the high reliability of device is also that other similar electronic product is incomparable.
Press such scheme, the compatibility of the IED Scout program in the described Intelligent electronic-type mutual-inductor calibration device based on IEC61850 be also embodied in following some:
1, the electronic mutual inductor to different model, no matter voltage or can both analyzing of electric current compare angle error.
2,, in process of the test, program is wanted to carry out Real-Time Monitoring to the digital signal of electronic mutual inductor output.
3, program is adjusted by program, can analyze the digital signal of various electronic mutual inductor outputs and the simulating signal of standard mutual inductor, and the signal after subtracting each other is shown and printed.
IEC61850 is also fewer in the application of electric system, the Intelligent electronic-type mutual-inductor calibration device that adopts the development of this technology is also fewer in document and patent at home, along with the continuous construction of DC line, its application will improve field-checking level and the automatization level of electric system mutual inductor greatly, is the important evidence of evaluating and improve Intelligent electronic-type mutual inductor performance.
Fig. 4 explanation: if standard mutual inductor and to-be-tested transformer are voltage transformer (VT), boost or up-flow device is raised to 80% of specified voltage voltage, 100%, 120%, standard mutual inductor secondary terminals output analog voltage outputs to inductive voltage divider, after voltage transformation simulating signal 5V Voltage-output to PC (in-built IED Scout program), electronic mutual inductor secondary terminals output optical fibre signal to be measured outputs to multimode optical fiber transceiver, be transformed into twisted-pair feeder electric signal by multimode optical fiber transceiver again and output to PC (in-built IED Scout program), wherein synchronisation source mainly carries out synchronously simulating signal and digital signal in PC (in-built IED Scout program), connection layout as shown in Figure 4.
If standard mutual inductor and to-be-tested transformer are current transformers, boost or up-flow device is raised to 1% of specified voltage electric current, 5%, 20%, 100%, standard mutual inductor secondary terminals output analog current outputs to measuring resistance, after conversion, analog signal current signal is outputed to PC (in-built IED Scout program), electronic mutual inductor secondary terminals output optical fibre signal to be measured outputs to multimode optical fiber transceiver, be transformed into twisted-pair feeder electric signal by multimode optical fiber transceiver again and output to PC (in-built IED Scout program), wherein synchronisation source mainly carries out synchronously simulating signal and digital signal in PC (in-built IED Scout program), connection layout as shown in Figure 4.
Claims (4)
1. the Intelligent electronic-type mutual-inductor calibration device based on IEC61850, comprise standard mutual inductor, boost or up-flow device, multimode optical fiber transceiver, measuring resistance or inductive voltage divider, PC, its syndeton is: PC is connected with multimode optical fiber transceiver by digital electronic signal, and multimode optical fiber transceiver is connected with to-be-tested transformer by digital fiber signal; PC is also connected with standard mutual inductor by analog electronic signal by analog electronic signal and measuring resistance or inductive voltage divider connection standard resistance or inductive voltage divider, and the logical super-high-current of standard mutual inductor is connected with to-be-tested transformer; Boost or up-flow device is connected between standard mutual inductor and to-be-tested transformer; On PC, be also provided with synchronisation source;
Wherein, when verification be Intelligent electronic-type current transformer time, standard mutual inductor is the current transformer that rated primary current is identical, boosts or up-flow device is current lifting device and pressure regulator; When verification be Intelligent electronic-type voltage transformer (VT) time, the voltage transformer (VT) that mutual inductor standard is identical electric pressure, boosts or up-flow device is stepup transformer and pressure regulator.
2. a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850 according to claim 1, is characterized in that: described PC is in-built the CPC3568 of German OMICRON company
1/
2position High Precision Analog-Data-Acquisition Card is as input front end processor.
3. a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850 according to claim 1, it is characterized in that: described synchronisation source produces synchronous triggering signal so that the German OMICRON CPC356 of company board is sampled simultaneously, so that the digital signal of unified electronic mutual inductor output and the simulating signal of standard mutual inductor.
4. a kind of Intelligent electronic-type mutual-inductor calibration device based on IEC61850 according to claim 1, is characterized in that: described fiber optical transceiver is a kind of Ethernet transmission medium converting unit that the light signal of short-range twisted-pair feeder electric signal and long distance is exchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024582.2U CN203909262U (en) | 2014-01-15 | 2014-01-15 | Device for verifying intelligent electronic mutual inductor based on IEC61850 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024582.2U CN203909262U (en) | 2014-01-15 | 2014-01-15 | Device for verifying intelligent electronic mutual inductor based on IEC61850 |
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| CN203909262U true CN203909262U (en) | 2014-10-29 |
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| CN201420024582.2U Expired - Lifetime CN203909262U (en) | 2014-01-15 | 2014-01-15 | Device for verifying intelligent electronic mutual inductor based on IEC61850 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093637A (en) * | 2016-06-07 | 2016-11-09 | 国网四川省电力公司电力科学研究院 | The removing method of dead band defect between intelligent substation primary equipment and secondary device |
| CN111929526A (en) * | 2020-07-29 | 2020-11-13 | 国网冀北电力有限公司计量中心 | Electronic voltage transformer checking system and method |
-
2014
- 2014-01-15 CN CN201420024582.2U patent/CN203909262U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093637A (en) * | 2016-06-07 | 2016-11-09 | 国网四川省电力公司电力科学研究院 | The removing method of dead band defect between intelligent substation primary equipment and secondary device |
| CN106093637B (en) * | 2016-06-07 | 2019-04-23 | 国网四川省电力公司电力科学研究院 | The removing method of dead zone defect between intelligent substation primary equipment and secondary device |
| CN111929526A (en) * | 2020-07-29 | 2020-11-13 | 国网冀北电力有限公司计量中心 | Electronic voltage transformer checking system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |