CN106813884A - A kind of extra-high voltage all-fiber current transformator vibration testing device and its test method - Google Patents
A kind of extra-high voltage all-fiber current transformator vibration testing device and its test method Download PDFInfo
- Publication number
- CN106813884A CN106813884A CN201510868696.4A CN201510868696A CN106813884A CN 106813884 A CN106813884 A CN 106813884A CN 201510868696 A CN201510868696 A CN 201510868696A CN 106813884 A CN106813884 A CN 106813884A
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- high voltage
- fiber current
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- current transformator
- vibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Abstract
The present invention relates to a kind of extra-high voltage all-fiber current transformator vibration testing method, the primary transducer of extra-high voltage all-fiber current transformator is installed on the side of breaker in extra high voltage, for simulated field runs truth, breaker is repeatedly closed-closing operation and cause vibration, so as to examine the vibration resistance ability of extra-high voltage all-fiber current transformator.The collection of vibration signal is on the one hand carried out during switching manipulation, the output data of all-fiber current transformator is transmitted to expert diagnostic system and is recorded and analyzed by another aspect electric unit, and long-distance transmissions are to PC, it is easy to that personnel understand the state of all-fiber current transformator in time and analysis is likely to occur failure cause.
Description
Technical field
The present invention relates to a kind of experimental rig test method of transformer, and in particular to a kind of extra-high voltage all-fiber current transformator shakes
Dynamic test device and its test method.
Background technology
In recent years, due to the progress of optical fiber and electronic technology, the electronic mutual inductor based on various sensing principles has obtained swift and violent hair
Exhibition, the line voltage brought with State Grid Corporation of China's 1000kV extra-high voltage projects is improved and towards digitlization, intelligentized
Development, requirement higher is proposed to the electronic mutual inductor performance used in its transformer station.Electronic mutual inductor is used as intelligent change
Power station obtains basis and the important component of signal, has obtained increasingly being widely applied.With Power Network Digital, intellectuality
The development of technology, all-fiber current transformator as the one kind in electronic mutual inductor, the linked network in extra-high voltage project at present
Operation, but also there are problems that many in the practical application application of current all-fiber current transformator, it need to be carried in reliability
Height, is especially susceptible to the influence of the factor such as environment temperature and vibration.
The content of the invention
To solve above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of vibration of extra-high voltage all-fiber current transformator
Test method, effectively improves the operational reliability of extra-high voltage all-fiber current transformator.
The purpose of the present invention is realized using following technical proposals：
The present invention provides a kind of extra-high voltage all-fiber current transformator vibration testing device, and it is theed improvement is that, the experiment dress
Put including all-fiber current transformator, breaker in extra high voltage, expert diagnostic system and vibrating sensor, the full optical-fiber current is mutual
The primary transducer of sensor is connected with breaker in extra high voltage, and vibration is caused when breaker in extra high voltage carries out multiple switching action；Vibration
Sensor detects vibration signal and transmits to expert diagnostic system, while the letter of expert diagnostic system and all-fiber current transformator
Number conversion and processing unit and combining unit connection；The vibrating sensor is attached to the surface surrounding of breaker in extra high voltage.
Further, the all-fiber current transformator include be sequentially connected primary transducer, signal conversion and processing unit and
Combining unit；The primary transducer, also known as sensing ring, material is sensor fibre, and being wrapped in carries out electric current letter on current bus bar
Number collection；Signal is changed and processing unit is used for modulation /demodulation and opto-electronic conversion；Combining unit carries out defeated for the signal after treatment
Go out display.
Further, the expert diagnostic system includes data acquisition means and data processing device, and data acquisition means are used to adopt
Collection all-fiber current transformator output data and temperature data, data processing unit device are used to analyze the right of above-mentioned this two classes data
Should be related to, judge whether data exception.
The present invention also provides a kind of extra-high voltage all-fiber current transformator vibration testing method, and it is theed improvement is that, the experiment
Method comprises the steps：
(1) breaker in extra high voltage carries out multiple switching action and causes all-fiber current transformator to vibrate；
(2) multipoint acquisition breaker in extra high voltage vibration signal, while temperature signal data is transmitted to expert diagnostic system；
(3) output data after all-fiber current transformator vibration resistance is sent to expert diagnostic system by electric unit；
(4) expert diagnostic system is recorded and analyzed to the all-fiber current transformator output data and vibration data, while
Output data is carried out 1000 meters of long-distance transmissions.
Further, in the step (2), multipoint acquisition breaker in extra high voltage vibration signal includes：Using multiple vibrating sensings
Device is attached to the surface surrounding of breaker in extra high voltage, is used to gather vibration signal, behind shown by vibration signal processing software shake again
Dynamic parameter, while temperature signal data is transmitted to expert diagnostic system.
The excellent effect that has of technical scheme that the present invention is provided is：
1. the characteristics of being installed using all-fiber current transformator scene is convenient, be installed in the side of breaker in extra high voltage carry out it is resistance to
The attribute testing of vibration is switched, a kind of feasible experiment is provided for the vibration test that simulated field carries out all-fiber current transformator
Method.
2., using the method for multipoint acquisition Circuit breaker vibration signal, various dimensions are carried out to the near zone in all-fiber current transformator
Monitoring, be conducive to analysis and research grasp all-fiber current transformator vibration resistance state.
3. the output data that all-fiber current transformator is carried out after vibration resistance is recorded and analyzed using expert diagnostic system, together
When data are carried out into long-distance transmissions, be easy to that personnel understand the state of all-fiber current transformator in time and analysis is likely to occur failure
Reason.
4. of the invention for extra-high voltage all-fiber current transformator simulated field running environment provides a kind of wire examination method, effectively improve
The operational reliability of extra-high voltage all-fiber current transformator.
Brief description of the drawings
Fig. 1 is the extra-high voltage all-fiber current transformator vibration testing device block diagram that the present invention is provided.
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to put into practice it
.Other embodiments can include structure, logic, it is electric, process and it is other changes.Embodiment only generation
The possible change of table.Unless explicitly requested, otherwise single component and function are optional, and the order for operating can change.
The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.Implementation of the invention
The gamut of the scope of scheme including claims, and claims all obtainable equivalent.Herein,
These embodiments of the invention can individually or generally be represented that it is convenient that this is used for the purpose of with term " invention ", and
And if in fact disclosing the invention more than, the scope for being not meant to automatically limit the application is any single invention or hair
Bright design.
The purpose of the present invention is for extra-high voltage all-fiber current transformator simulated field running environment provides a kind of examination of vibration resistance
Method, effectively improves the operational reliability of extra-high voltage all-fiber current transformator.
The present invention provides a kind of extra-high voltage all-fiber current transformator vibration testing device, and the experimental rig includes full optical-fiber current
Transformer, breaker in extra high voltage, expert diagnostic system and vibrating sensor, the primary transducer of the all-fiber current transformator
It is connected with breaker in extra high voltage, vibration is caused when breaker in extra high voltage carries out multiple switching action；Vibrating sensor detects vibration
Signal is simultaneously transmitted to expert diagnostic system, while expert diagnostic system and the signal conversion of all-fiber current transformator and processing unit
Connected with combining unit；The vibrating sensor is attached to the surface surrounding of breaker in extra high voltage.
All-fiber current transformator includes the primary transducer, signal conversion and processing unit and the combining unit that are sequentially connected；It is described
Primary transducer, also known as sensing ring, material is sensor fibre, and being wrapped in carries out current signal collection on current bus bar；Signal turns
Change and processing unit is used for modulation /demodulation and opto-electronic conversion；Combining unit carries out output display for the signal after treatment.
The expert diagnostic system includes data acquisition means and data processing device, and data acquisition means are used to gather all -fiber electricity
Current transformer output data and temperature data, data processing unit device are used to analyze the corresponding relation of above-mentioned this two classes data, sentence
It is disconnected whether data exception to occur.
As shown in figure 1, the primary transducer (sensing ring) of extra-high voltage all-fiber current transformator is installed on into breaker in extra high voltage
Side, be simulated field operation truth, breaker in extra high voltage is repeatedly closed-closing operation and cause vibration, so as to examine
The vibration resistance ability of core extra-high voltage all-fiber current transformator.The collection of vibration signal is on the one hand carried out during switching manipulation,
The output data of all-fiber current transformator is transmitted to expert diagnostic system and is recorded and analyzed by another aspect electric unit, and
Long-distance transmissions are easy to that personnel understand the state of all-fiber current transformator in time and analysis is likely to occur failure cause to PC.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations, although with reference to above-described embodiment to the present invention
Be described in detail, those of ordinary skill in the art specific embodiment of the invention can still be modified or
Person's equivalent, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent
Within bright claims.
Claims (5)
1. a kind of extra-high voltage all-fiber current transformator vibration testing device, it is characterised in that the experimental rig includes all -fiber
Current transformer, breaker in extra high voltage, expert diagnostic system and vibrating sensor, the once biography of the all-fiber current transformator
Sensor is connected with breaker in extra high voltage, and vibration is caused when breaker in extra high voltage carries out multiple switching action；Vibrating sensor is detected
Vibration signal is simultaneously transmitted to expert diagnostic system, while expert diagnostic system is changed and processed with the signal of all-fiber current transformator
Unit and combining unit are connected；The vibrating sensor is attached to the surface surrounding of breaker in extra high voltage.
2. experimental rig as claimed in claim 1, it is characterised in that the all-fiber current transformator includes what is be sequentially connected
Primary transducer, signal conversion and processing unit and combining unit；The primary transducer, also known as sensing ring, material is sensing
Optical fiber, being wrapped in carries out current signal collection on current bus bar；Signal is changed and processing unit is used for modulation /demodulation and opto-electronic conversion；
Combining unit carries out output display for the signal after treatment.
3. experimental rig as claimed in claim 1, it is characterised in that the expert diagnostic system include data acquisition means and
Data processing device, data acquisition means are used to gather all-fiber current transformator output data and temperature data, data processing list
Component is used to analyze the corresponding relation of above-mentioned this two classes data, judges whether data exception.
4. a kind of extra-high voltage all-fiber current transformator vibration testing method, it is characterised in that the test method includes following steps
Suddenly：
(1) breaker in extra high voltage carries out multiple switching action and causes all-fiber current transformator to vibrate；
(2) multipoint acquisition breaker in extra high voltage vibration signal, while temperature signal data is transmitted to expert diagnostic system；
(3) output data after all-fiber current transformator vibration resistance is sent to expert diagnostic system by electric unit；
(4) expert diagnostic system is recorded and analyzed to the all-fiber current transformator output data and vibration data, while
Output data is carried out 1000 meters of long-distance transmissions.
5. test method as claimed in claim 4, it is characterised in that in the step (2), multipoint acquisition is extra-high to be broken
Road device vibration signal includes：The surface surrounding of breaker in extra high voltage is attached to using multiple vibrating sensors, is used to gather vibration signal,
Vibration parameters are shown by vibration signal processing software again below, while temperature signal data is transmitted to expert diagnostic system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510868696.4A CN106813884A (en) | 2015-12-01 | 2015-12-01 | A kind of extra-high voltage all-fiber current transformator vibration testing device and its test method |
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| CN201510868696.4A CN106813884A (en) | 2015-12-01 | 2015-12-01 | A kind of extra-high voltage all-fiber current transformator vibration testing device and its test method |
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| CN106813884A true CN106813884A (en) | 2017-06-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108107254A (en) * | 2017-12-27 | 2018-06-01 | 国网安徽省电力公司 | A kind of vibration interference experimental system of optical current mutual inductor |
| CN113465902A (en) * | 2021-07-30 | 2021-10-01 | 国网浙江省电力有限公司绍兴供电公司 | Method for diagnosing operation state of secondary circuit of high-voltage current transformer |
| CN113777549A (en) * | 2021-07-29 | 2021-12-10 | 中国电力科学研究院有限公司武汉分院 | Optical mutual inductor local vibration test method and device based on piezoelectric ceramic principle |
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| CN104090230A (en) * | 2014-06-12 | 2014-10-08 | 国网山东省电力公司青岛供电公司 | Breaker safe operation real-time analysis early warning system |
| CN104597425A (en) * | 2015-01-21 | 2015-05-06 | 国家电网公司 | Electric examination platform suitable for GIS (geographic information system) electronic transformer |
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| CN102928069A (en) * | 2012-10-08 | 2013-02-13 | 西安交通大学 | System and method for detecting vibration of high-voltage circuit breaker |
| CN103064052A (en) * | 2012-12-31 | 2013-04-24 | 安徽省电力公司淮北供电公司 | Optical mutual inductor calibration and operation monitoring method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108107254A (en) * | 2017-12-27 | 2018-06-01 | 国网安徽省电力公司 | A kind of vibration interference experimental system of optical current mutual inductor |
| CN113777549A (en) * | 2021-07-29 | 2021-12-10 | 中国电力科学研究院有限公司武汉分院 | Optical mutual inductor local vibration test method and device based on piezoelectric ceramic principle |
| CN113777549B (en) * | 2021-07-29 | 2023-12-01 | 中国电力科学研究院有限公司武汉分院 | Optical transformer local vibration test method and device based on piezoelectric ceramic principle |
| CN113465902A (en) * | 2021-07-30 | 2021-10-01 | 国网浙江省电力有限公司绍兴供电公司 | Method for diagnosing operation state of secondary circuit of high-voltage current transformer |
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Application publication date: 20170609 |
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