CN102466789A - Stability testing device and method for optoelectronic transformers - Google Patents
Stability testing device and method for optoelectronic transformers Download PDFInfo
- Publication number
- CN102466789A CN102466789A CN2010105434403A CN201010543440A CN102466789A CN 102466789 A CN102466789 A CN 102466789A CN 2010105434403 A CN2010105434403 A CN 2010105434403A CN 201010543440 A CN201010543440 A CN 201010543440A CN 102466789 A CN102466789 A CN 102466789A
- Authority
- CN
- China
- Prior art keywords
- electric
- photo
- electric energy
- energy meter
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a stability testing device and a stability testing method for optoelectronic transformers. The device comprises a plurality of electromagnetic current transformers, a plurality of electromagnetic voltage transformers and a plurality of optoelectronic current transformers, and further comprises a first electric energy meter, a voltage signal conditioning unit and a second electric energy meter. The performance such as stability, reliability, high accuracy and the like of the optoelectronic current transformers which are operated on the spot of a severe environment for a long time is obtained by theoretical analysis on two parallel systems which are an electric energy metering system consisting of the optoelectronic current transformers and an electric energy metering system consisting of the conventional transformers and analysis on operating data.
Description
Technical field
The present invention relates to electric weight detection technique field, particularly photo-electric mutual inductor stability test device and method.
Background technology
The patent documentation report of domestic existing current transformer method of testing and device.Like application number is that 200810034900.2 Chinese patent " is measured with light current transformer method for detecting accuracy " current transformer with standard as standard; The measuring junction of the same name of a winding of seized current transformer is bound up; And according to different situations with the direct ground connection of an end in the current lifting device output terminal or indirect earthed; Can measure error measure effectively with the photoelectric current inductor accuracy, thus the scope that control survey is allowing with the error of photoelectric current inductor accuracy.Application number is 200910060509.4 Chinese patent " a kind of calibrating test device of extra-high voltage direct-current current transformer "; Comprise alternating current-direct current programmable power supply, calibrating sensors and data processing and control device; The test current that the alternating current-direct current programmable power supply produces inserts calibrating sensors successively and is flowed current transformer by alignment; Output signal by alignment stream current transformer reaches signal processing unit; Canonical measure result in the calibrating sensors reaches signal processing unit; Signal processing unit is connected with computing unit with error measure, and system control unit is connected with the alternating current-direct current programmable power supply, can carry out calibration test to the accuracy of DC current transformer measurement direct current harmonic simultaneously.
Application (patent) number is 200910108435.7 patent " current transformer method of testing and system thereof "; This system comprises transducer check device, PC and calibrating table top; The calibrating table top is provided with current transformer to be measured and test monitor screen, and after accomplishing current transformer wiring to be measured on the calibrating table top, PC is provided with the calibrating scheme of current transformer; The information of back PC from marketing system download current transformer of accomplishing is set; And the parameter of being examined and determine resolved, use PC control verification device to current transformer automatic Verification to be checked then, obtain the verification result of the current transformer of PC control verification device automatic Verification then; Verification result with current transformer is uploaded to marketing system at last, thereby accomplishes the test of current transformer.
Above technology is more complicated all, and operating cost is also higher, also hangs netting index not according to one's analysis to power plant is on-the-spot, detects, checking photo-electric current transformer (POSS-OCT) operation stability in the running environment, the content of reliability at the scene.
Summary of the invention
The object of the present invention is to provide a kind of photo-electric mutual inductor stability test device and method, can long-term stability and the reliability at the scene of test light current transformer.
In order to realize above-mentioned and other purpose; The present invention provides a kind of photo-electric mutual inductor stability test device; Comprise a plurality of electromagnetic current transducers, a plurality of electromagnetic potential transformer and a plurality of photo-electric current transformer; It also comprises: first electric energy meter is connected respectively with electromagnetic potential transformer with said electromagnetic current transducer, to obtain first energy value of traditional measurement; Second electric energy meter is connected with said photo-electric current transformer, obtains the current value that the photo-electric current transformer is measured; Voltage signal conditioning unit; Be connected with second electric energy meter with said electromagnetic potential transformer; The magnitude of voltage that said electromagnetic potential transformer is surveyed converts digital signal into and sends second electric energy meter to; And said second electric energy meter utilizes the magnitude of voltage and the time product of the said voltage signal conditioning unit of said current value and reception to obtain second energy value; If the difference of this second energy value and first energy value is in the national rule claimed range, then the photo-electric mutual inductor has stability.
Further being characterized as said a plurality of electromagnetic current transducer, a plurality of electromagnetic potential transformer and a plurality of photo-electric current transformer is 3 electromagnetic current transducers, 3 electromagnetic potential transformers and 3 photo-electric current transformers.
Further being characterized as described photo-electric current transformer is the adaptive optics current transformer.
Further be characterized as the electric energy meter of first electric energy meter for networking.
Further be characterized as the digital electricity meter of second electric energy meter for networking.
The present invention also provides a kind of photo-electric mutual inductor stability test method, comprises following steps: use first electric energy meter to obtain first energy value of traditional measurement; The magnitude of voltage that electromagnetic potential transformer is surveyed converts digital data transmission into to second electric energy meter; Through the current value that the photo-electric current transformer is measured, second electric energy meter obtains second energy value with the magnitude of voltage and the time product of the said voltage signal conditioning unit of said current value and acceptance; With first energy value of this second energy value and first electric energy meter relatively, if between difference in the national rule claimed range, then the photo-electric mutual inductor has stability.
Further being characterized as described photo-electric current transformer is the adaptive optics current transformer.
Further be characterized as the electric energy meter of first electric energy meter for networking.
Further be characterized as the digital electricity meter of second electric energy meter for networking.
Advantage of the present invention is: through electric energy metered system that the photo-electric current transformer the is formed theoretical analysis with two parallel systems of electric energy metered system of traditional mutual inductor composition; And to Operational Data Analysis; Obtain the performances such as stability, reliability and high precision of photo-electric current transformer at the on-the-spot long-time running environment of rugged surroundings; If the electric energy metrical deviation of two electric energy metered systems is in the relevant rules claimed range of country; Then the optical current mutual inductor metering has high stability, meets the electric energy metrical requirement.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 implements to be listed as the process flow diagram of the photo-electric mutual inductor stability test method that is provided for the present invention one.
Embodiment
Below through specific instantiation and accompanying drawings embodiment of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.The present invention also can implement or use through other different instantiation, and each item details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
As shown in Figure 1; A kind of photo-electric mutual inductor stability test device comprises electromagnetic current transducer 1 (CT), electromagnetic potential transformer 2 (PT), and electromagnetic current transducer 1 is connected first electric energy meter 3 respectively with electromagnetic potential transformer 2 in the erecting stage; Just can obtain first energy value of traditional measurement on first electric energy meter 3; Show the kilowatt hour number of degrees, electromagnetic current transducer 1 can be for a plurality of with electromagnetic potential transformer 2, and preferable is respectively 3.Also comprise photo-electric current transformer 6 (POSS-OCT), voltage signal conditioning unit 5 and second electric energy meter 4; Photo-electric current transformer 6 is the adaptive optics current transformer; Second electric energy meter 4 is the electronic meter of electronic type; Wherein electromagnetic potential transformer 2, voltage signal conditioning unit 5 are connected with second electric energy meter 4 successively; Voltage signal is nursed one's health the magnitude of voltage of being surveyed unit 5 convert digital signal into and send second electric energy meter 4 to, guarantee that they equate a power consumption.
Second electric energy meter 4 is connected with photo-electric current transformer 6; Obtain the current value that the photo-electric current transformer is measured; Obtain second energy value with the magnitude of voltage and the time product that receive voltage signal conditioning unit 5, like this after the present invention has moved a period of time, second energy value comparison that first energy value and second electric energy meter 4 of first electric energy meter, 3 traditional measurements recorded; If the difference of the two is in the relevant rules claimed range of country, then the photo-electric mutual inductor has high stability.Preferable; But the electric energy meter of first electric energy meter 3 for having network savvy; But the electrical power gauging table of second electric energy meter 4 for having network savvy; Also can use wireless or wired mode to be transferred to PC data, carry out the difference of online judgement first energy value and second energy value.
Please refer to Fig. 2, it is a photo-electric mutual inductor stability test method flow diagram provided by the present invention.This method comprises the steps:
S10: use first electric energy meter to obtain first energy value of traditional measurement;
S20: the magnitude of voltage that electromagnetic potential transformer is surveyed converts digital data transmission into to second electric energy meter;
S30: obtain the current value that the photo-electric current transformer is measured through second electric energy meter, magnitude of voltage and the time product of nursing one's health the unit with the said voltage signal of accepting obtain second energy value,
S40: with first energy value of the first electric energy meter traditional measurement relatively, if between difference in the relevant rules claimed range of country, then the photo-electric mutual inductor has high stability.
Through electric energy metered system that photo-electric current transformer 6 (POSS-OCT) is formed theoretical analysis with two parallel systems of electric energy metered system of traditional mutual inductor composition; And to Operational Data Analysis; Obtain the performances such as stability, reliability and high precision of POSS-OCT photo-electric current transformer 6 at the on-the-spot long-time running environment of rugged surroundings; If the electric energy metrical deviation of two electric energy metered systems is in the relevant rules claimed range of country; Then 6 meterings of POSS-OCT optical current mutual inductor have high stability, meet the electric energy metrical requirement.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (9)
1. a photo-electric mutual inductor stability test device comprises a plurality of electromagnetic current transducers, a plurality of electromagnetic potential transformer and a plurality of photo-electric current transformer, it is characterized by, and also comprises:
First electric energy meter is connected respectively with electromagnetic potential transformer with said electromagnetic current transducer, to obtain first energy value of traditional measurement;
Second electric energy meter is connected with said photo-electric current transformer, obtains the current value that the photo-electric current transformer is measured;
Voltage signal conditioning unit; Be connected with second electric energy meter with said electromagnetic potential transformer; The magnitude of voltage that said electromagnetic potential transformer is surveyed converts digital signal into and sends second electric energy meter to; And said second electric energy meter utilizes the magnitude of voltage and the time product of the said voltage signal conditioning unit of said current value and reception to obtain second energy value; If the difference of this second energy value and first energy value is in the national rule claimed range, then the photo-electric mutual inductor has stability.
2. photo-electric mutual inductor stability test device according to claim 1; It is characterized by, said a plurality of electromagnetic current transducers, a plurality of electromagnetic potential transformer and a plurality of photo-electric current transformer are 3 electromagnetic current transducers, 3 electromagnetic potential transformers and 3 photo-electric current transformers.
3. photo-electric mutual inductor stability test device according to claim 1 is characterized by, and described photo-electric current transformer is the adaptive optics current transformer.
4. photo-electric mutual inductor stability test device according to claim 1 is characterized by, the electric energy meter of first electric energy meter for networking.
5. photo-electric mutual inductor stability test device according to claim 1 is characterized by, the digital electricity meter of second electric energy meter for networking.
6. a photo-electric mutual inductor stability test method of using the said stability test device of claim 1 is characterized by, and comprises following steps:
Use first electric energy meter to obtain first energy value of traditional measurement;
The magnitude of voltage that electromagnetic potential transformer is surveyed converts digital data transmission into to second electric energy meter;
Use second electric energy meter to obtain the current value that the photo-electric current transformer is measured;
Magnitude of voltage and the time product of the said voltage signal of said current value and reception being nursed one's health the unit obtain second energy value;
With first energy value of this second energy value and first electric energy meter relatively, if between difference in the national rule claimed range, then the photo-electric mutual inductor has stability.
7. photo-electric mutual inductor stability test device according to claim 6 is characterized by, and described photo-electric current transformer is the adaptive optics current transformer.
8. photo-electric mutual inductor stability test device according to claim 6 is characterized by, the electric energy meter of first electric energy meter for networking.
9. photo-electric mutual inductor stability test device according to claim 6 is characterized by, the digital electricity meter of second electric energy meter for networking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010543440.3A CN102466789B (en) | 2010-11-12 | 2010-11-12 | Photoelectric current transformer stability test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010543440.3A CN102466789B (en) | 2010-11-12 | 2010-11-12 | Photoelectric current transformer stability test device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466789A true CN102466789A (en) | 2012-05-23 |
| CN102466789B CN102466789B (en) | 2015-11-25 |
Family
ID=46070685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010543440.3A Active CN102466789B (en) | 2010-11-12 | 2010-11-12 | Photoelectric current transformer stability test device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102466789B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535957A (en) * | 2014-12-08 | 2015-04-22 | 云南电网公司电力科学研究院 | Measuring accuracy comparison device of intelligent substation |
| CN104597424A (en) * | 2015-01-07 | 2015-05-06 | 贵州电力试验研究院 | Verification platform and verification method for electric energy measurement of optical transformer |
| CN105353331A (en) * | 2015-10-29 | 2016-02-24 | 中国电力科学研究院 | Electronic transformer metering performance detection system and method |
| CN106546940A (en) * | 2016-11-16 | 2017-03-29 | 国网上海市电力公司 | A kind of field testing procedure of optical voltage transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2119676C1 (en) * | 1996-07-08 | 1998-09-27 | Иван Алексеевич Нефедьев | Device for verification of measuring current transformers |
| CN101074988A (en) * | 2007-07-20 | 2007-11-21 | 太原市优特奥科电子科技有限公司 | Method and apparatus for realtime and on-line monitoring meter error of high-voltage mutual inductor |
| CN201203666Y (en) * | 2008-06-06 | 2009-03-04 | 北京浩霆光电技术有限责任公司 | Multifunctional mutual-inductor tester |
| CN101539616A (en) * | 2008-03-20 | 2009-09-23 | 上海市电力公司 | Method for detecting accuracy of optical current transformer for measuring |
| CN201569735U (en) * | 2009-12-25 | 2010-09-01 | 哈尔滨电工仪表研究所 | Vehicle on-site automatic calibration device of power transformer |
-
2010
- 2010-11-12 CN CN201010543440.3A patent/CN102466789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2119676C1 (en) * | 1996-07-08 | 1998-09-27 | Иван Алексеевич Нефедьев | Device for verification of measuring current transformers |
| CN101074988A (en) * | 2007-07-20 | 2007-11-21 | 太原市优特奥科电子科技有限公司 | Method and apparatus for realtime and on-line monitoring meter error of high-voltage mutual inductor |
| CN101539616A (en) * | 2008-03-20 | 2009-09-23 | 上海市电力公司 | Method for detecting accuracy of optical current transformer for measuring |
| CN201203666Y (en) * | 2008-06-06 | 2009-03-04 | 北京浩霆光电技术有限责任公司 | Multifunctional mutual-inductor tester |
| CN201569735U (en) * | 2009-12-25 | 2010-09-01 | 哈尔滨电工仪表研究所 | Vehicle on-site automatic calibration device of power transformer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535957A (en) * | 2014-12-08 | 2015-04-22 | 云南电网公司电力科学研究院 | Measuring accuracy comparison device of intelligent substation |
| CN104597424A (en) * | 2015-01-07 | 2015-05-06 | 贵州电力试验研究院 | Verification platform and verification method for electric energy measurement of optical transformer |
| CN104597424B (en) * | 2015-01-07 | 2018-05-22 | 贵州电力试验研究院 | A kind of optical transformer electrical energy measurement verification platform and verification method |
| CN105353331A (en) * | 2015-10-29 | 2016-02-24 | 中国电力科学研究院 | Electronic transformer metering performance detection system and method |
| CN106546940A (en) * | 2016-11-16 | 2017-03-29 | 国网上海市电力公司 | A kind of field testing procedure of optical voltage transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102466789B (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202351422U (en) | Automatic detection device of electric energy metering device | |
| CN202008526U (en) | Accuracy verification system for digital signal based electric energy quality measurement device | |
| CA2890581C (en) | Hot stick power analyzer | |
| CN104280715B (en) | Gateway electric energy meter online monitoring system | |
| CN102680935B (en) | Intelligent current transformer system for online precision monitoring | |
| CN108089141A (en) | A kind of error correcting method and device of the current measuring device based on current divider | |
| CN106483397B (en) | A kind of electric energy quality detection device and measurement method of high-precision high bandwidth | |
| CN107741577A (en) | A kind of Source of Gateway Meter degree of accuracy on-line monitoring and analysis method and system | |
| CN102466789A (en) | Stability testing device and method for optoelectronic transformers | |
| CN104062618A (en) | Verification method for on-line monitoring device of double-signal-source capacitive equipment | |
| CN106526526A (en) | Test device for digital metering system | |
| CN106940434A (en) | A kind of long-range calibrating installation of electric energy meter platform and automatic calibrating method | |
| CN104730342B (en) | The measuring circuit and measuring method of AC resistance time constant | |
| CN106443567A (en) | Real-load test system for electric energy meters | |
| CN204228901U (en) | Local discharge detection device | |
| CN203773039U (en) | Novel insulation ohmmeter intelligent calibrating apparatus | |
| Lowczowski et al. | Monitoring of MV cable screens, cable joints and earthing systems using cable screen current measurements | |
| Khanna et al. | Design and Implementation of Low-Cost Real-Time Energy Logger for Industrial and Home Applications | |
| CN203849398U (en) | An electric energy meter on-site value transmission apparatus | |
| CN103197451B (en) | A kind of optic probe and comprise the equipment for measuring liquid crystal module Flicker flicker degree of this probe | |
| CN115685048A (en) | Online calibration method and system for communication module of intelligent electric meter | |
| CN104062619A (en) | Verification system for on-line monitoring device of double-signal-source capacitive equipment | |
| CN104991222B (en) | metering automation terminal quality evaluation system | |
| CN103454609A (en) | Debugging platform of on-line monitoring device of capacitive equipment | |
| CN210109301U (en) | Digital electric energy meter and power source magnitude traceability remote calibration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |