CN206057485U - A kind of detection means for dry-type transformer insulation ag(e)ing - Google Patents
A kind of detection means for dry-type transformer insulation ag(e)ing Download PDFInfo
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- CN206057485U CN206057485U CN201620924582.7U CN201620924582U CN206057485U CN 206057485 U CN206057485 U CN 206057485U CN 201620924582 U CN201620924582 U CN 201620924582U CN 206057485 U CN206057485 U CN 206057485U
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Abstract
This utility model provides a kind of detection means for dry-type transformer insulation ag(e)ing, including signal imitation generator, frequency sensor, short-circuit tester, temperature sensor, Main Processor Unit, spectrum analyzer, oscillograph and alarm, signal imitation generator accesses the binding post of transformer core primary side winding, frequency sensor, the input of short-circuit tester and temperature sensor distinguishes the binding post of connection transformer iron core vice-side winding, frequency sensor, the outfan of short-circuit tester and temperature sensor is connected respectively to Main Processor Unit, Main Processor Unit is also connected with spectrum analyzer and alarm, oscillograph is connected to the outfan of spectrum analyzer.Beneficial effect is to detect the overcurrent reaction of transformer core insulation winding turn-to-turn defect, by frequency sensor sensing frequency curve, additionally it is possible to monitor temperature parameter, and each outer explicit parameter of comprehensive detection insulation ag(e)ing finds the transformator of insulation ag(e)ing in time.
Description
Technical field
This utility model belongs to Transformer Insulation Aging detection means field, is used for dry-type transformer more particularly, to a kind of
The detection means of insulation ag(e)ing.
Background technology
Dry-type transformer just refers to the transformator that iron core and winding are not immersed in insulating oil, during operation, will bear added
The heat of the generation such as electric field and open circuit loss, load loss, insulant is in long-term big load electric field intensity and the synthesis of high temperature
Under effect, the insulation of electrical equipment can occur a series of forms such as such as solid dielectrics softenings or melting in During Process of Long-term Operation and become
The physical change of the volatilization of change, low molecular compound and plasticizer etc. and such as oxidation, electrolysis, ionization, the change for generating novel substance etc.
Change is learned, its electric, machinery is caused and other performance gradually degrade such as conductance and dielectric loss increases, becomes fragile, ftractures, these
Phenomenon is referred to as the aging of insulation, causes the irreversible defect of insulation winding turn-to-turn, insulation ag(e)ing phenomenon occurs, once occur exhausted
Edge is damaged or transition is aging, when transformator carries voltage, it may occur that overcurrent, causes device damage, completely loses electrically
Performance.
Utility model content
In view of this, this utility model is directed to the detection means for dry-type transformer insulation ag(e)ing, can detect
The overcurrent reaction of transformer core insulation winding turn-to-turn defect, by frequency sensor sensing frequency curve, additionally it is possible to monitor
Temperature parameter, each outer explicit parameter of comprehensive detection insulation ag(e)ing find the transformator of insulation ag(e)ing in time.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of detection means for dry-type transformer insulation ag(e)ing, including it is signal imitation generator, frequency sensor, short
Road detector, temperature sensor, Main Processor Unit, spectrum analyzer, oscillograph and alarm, the signal imitation generator connect
Enter the binding post of transformer core primary side winding, the frequency sensor, the short-circuit tester and the temperature sensor
Input distinguish connection transformer iron core vice-side winding binding post, the frequency sensor, the short-circuit tester and
The outfan of the temperature sensor is connected respectively to the Main Processor Unit, and the Main Processor Unit is also connected with the frequency spectrum point
Analyzer and the alarm, the oscillograph are connected to the outfan of the spectrum analyzer.
Further, the alarm is audible-visual annunciator.
Further, also including wireless communication unit, the wireless communication unit is connected on the Main Processor Unit, institute
State wireless communication unit and cloud data base's wireless communication connection.
Further, the wireless communication unit is GPRS wireless communication chips.
Relative to prior art, the detection means for dry-type transformer insulation ag(e)ing described in the utility model with
Lower advantage：
The signal imitation generator of the binding post of transformer core primary side winding is accessed, being capable of analogue transformer full load
During work, the change Compressive Strength for bearing gives the intensity of the upper limit in the range of transformator ability to bear, transformer core vice-side winding
Frequency sensor, short-circuit tester and the temperature sensor being connected on binding post, can gather vice-side winding respectively by electricity
Frequency parameter, monitoring short circuit current parameter and temperature parameter that magnetic induction is changed, while can be by the transmission of the parameters of collection
To Main Processor Unit, the process of data is carried out by Main Processor Unit, frequency parameter carries out spectrum analyses by spectrum analyzer, will
Shape information is displayed on oscillograph, is contributed to user and is simply directly checked shape information, Main Processor Unit by oscillograph
It was found that short circuit current and too high temperature, can start alarm, sound and light alarm, integral spectrum shape information, short circuit electricity are carried out
Stream and temperature parameter, insulation ag(e)ing defect between contributing to more properly judging.
Main Processor Unit can be wirelessly transmitted to the information for detecting collection in cloud data base by wireless communication unit, be led to
Excessive comparing, comprehensive descision insulation ag(e)ing.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain this utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Illustrative view of functional configuration of the Fig. 1 for this utility model embodiment.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in this utility model.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
As shown in figure 1, this utility model provides a kind of detection means for dry-type transformer insulation ag(e)ing, including signal
Simulative generator, frequency sensor, short-circuit tester, temperature sensor, Main Processor Unit, spectrum analyzer, oscillograph and report
Alert device, the signal imitation generator access the binding post of transformer core primary side winding, the frequency sensor, described short
The input of road detector and the temperature sensor distinguishes the binding post of connection transformer iron core vice-side winding, the frequency
The outfan of sensor, the short-circuit tester and the temperature sensor is connected respectively to the Main Processor Unit, the master
Processing unit is also connected with the spectrum analyzer and the alarm, and the oscillograph is connected to the output of the spectrum analyzer
End.
The alarm is audible-visual annunciator.
Also include wireless communication unit, the wireless communication unit is connected on the Main Processor Unit, the channel radio
Letter unit and cloud data base's wireless communication connection.
The wireless communication unit is GPRS wireless communication chips.
The course of work of this example：Access the signal imitation generator of the binding post of transformer core primary side winding, mould
When intending transformator full-load operation, the change Compressive Strength for bearing gives the intensity of the upper limit in the range of transformator ability to bear, transformator
Frequency sensor, short-circuit tester and the temperature sensor being connected on the binding post of iron core vice-side winding, gathers secondary respectively
Frequency parameter, monitoring short circuit current parameter and temperature parameter that winding is changed by electromagnetic induction, while each by collection is joined
Number is transferred to Main Processor Unit, carries out the process of data by Main Processor Unit, and frequency parameter carries out frequency spectrum by spectrum analyzer
Analysis, shape information is included on oscillograph, user simply directly checks shape information, Main Processor Unit by oscillograph
It was found that short circuit current and too high temperature, start alarm, carry out sound and light alarm, integral spectrum shape information, short circuit current and
Temperature parameter, insulation ag(e)ing defect between contributing to more properly judging.
Main Processor Unit is wirelessly transmitted to the information for detecting collection in cloud data base, by big by wireless communication unit
Comparing, comprehensive descision insulation ag(e)ing.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of detection means for dry-type transformer insulation ag(e)ing, it is characterised in that：Including signal imitation generator, frequency
Sensor, short-circuit tester, temperature sensor, Main Processor Unit, spectrum analyzer, oscillograph and alarm, the signal mode
Intend the binding post that generator accesses transformer core primary side winding, the frequency sensor, the short-circuit tester and described
The input of temperature sensor distinguishes the binding post of connection transformer iron core vice-side winding, the frequency sensor, described short
The outfan of road detector and the temperature sensor is connected respectively to the Main Processor Unit, and the Main Processor Unit is also connected with
The spectrum analyzer and the alarm, the oscillograph are connected to the outfan of the spectrum analyzer.
2. the detection means for dry-type transformer insulation ag(e)ing according to claim 1, it is characterised in that：The warning
Device is audible-visual annunciator.
3. the detection means for dry-type transformer insulation ag(e)ing according to claim 1, it is characterised in that：Also include nothing
Line communication unit, the wireless communication unit are connected on the Main Processor Unit, the wireless communication unit and cloud data base
Wireless communication connection.
4. the detection means for dry-type transformer insulation ag(e)ing according to claim 3, it is characterised in that：It is described wireless
Communication unit is GPRS wireless communication chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924582.7U CN206057485U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for dry-type transformer insulation ag(e)ing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924582.7U CN206057485U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for dry-type transformer insulation ag(e)ing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057485U true CN206057485U (en) | 2017-03-29 |
Family
ID=58384276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924582.7U Expired - Fee Related CN206057485U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for dry-type transformer insulation ag(e)ing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188216A (en) * | 2018-08-24 | 2019-01-11 | 西南交通大学 | A kind of experimental method of transformer winding insulation ag(e)ing status assessment research |
| EP3528266A1 (en) * | 2018-02-15 | 2019-08-21 | ABB Schweiz AG | Insulation of non-liquid immersed transformers |
-
2016
- 2016-08-23 CN CN201620924582.7U patent/CN206057485U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3528266A1 (en) * | 2018-02-15 | 2019-08-21 | ABB Schweiz AG | Insulation of non-liquid immersed transformers |
| WO2019158665A1 (en) * | 2018-02-15 | 2019-08-22 | Abb Schweiz Ag | Insulation of non-liquid immersed transformers |
| CN111656469A (en) * | 2018-02-15 | 2020-09-11 | Abb电网瑞士股份公司 | Insulation of non-liquid immersed transformer |
| CN111656469B (en) * | 2018-02-15 | 2022-03-25 | 日立能源瑞士股份公司 | Insulation of non-liquid immersed transformer |
| US11335498B2 (en) | 2018-02-15 | 2022-05-17 | Hitachi Energy Switzerland Ag | Insulation of non-liquid immersed transformers |
| CN109188216A (en) * | 2018-08-24 | 2019-01-11 | 西南交通大学 | A kind of experimental method of transformer winding insulation ag(e)ing status assessment research |
| CN109188216B (en) * | 2018-08-24 | 2019-07-12 | 西南交通大学 | A kind of experimental method of transformer winding insulation ag(e)ing status assessment research |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180823 |