CN207425619U - One kind is for HT testing transformer insulation heat-treating apparatus - Google Patents
One kind is for HT testing transformer insulation heat-treating apparatus Download PDFInfo
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- CN207425619U CN207425619U CN201721652525.9U CN201721652525U CN207425619U CN 207425619 U CN207425619 U CN 207425619U CN 201721652525 U CN201721652525 U CN 201721652525U CN 207425619 U CN207425619 U CN 207425619U
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Abstract
One kind is related to field transformer for HT testing transformer insulation heat-treating apparatus.Have much to the inspection evaluation measures of Transformer Insulation Aging both at home and abroad at present, but the heat treatment that never insulate afterwards well.The utility model includes transformer heat treatment tank, vacuum sensor, capacitance transmitter, temperature transmitter, vacuum pump, heating unit and the control device being connected with vacuum sensor, capacitance transmitter, temperature transmitter, heating unit；The capacitance information of capacitance transmitter acquisition includes the capacitance just between the winding interlayer of transformer of heat treatment process, winding and ground connection heat treatment tank, and control device controls heating unit, vacuum pump work to heat processing procedure with quantitative according to the capacitance information of acquisition.The technical program can conveniently realize qualitative effect analysis and the quantitative calculation and analysis of insulation processing, realize controllable insulation processing process, prevent the uncertainty of high-voltage testing transformer insulation processing.
Description
Technical field
The utility model is related to field transformer, a kind of especially dress for HT testing transformer insulation heat treatment
It puts.
Background technology
Electric energy is one of common energy of today's society economic development, thus ensure electric system normal operation to close weight
It will.Important component of the transformer as electric system, insulation ag(e)ing degree not only increase the operation of power supply enterprise into
This, returns electric power netting safe running and causes potential security risk.Running Transformer Insulation Aging is it is possible that electric leakage is existing
As that can cause personnel, livestock electric shock life casualty accident or thunder and lightning occur and hit transformer electricity consumption is caused to set because insulation dies down
The situation of standby damage, so good insulating materials and insulating element are the bases for ensureing distribution transformer normal operation.It is good
Good insulating capacity can ensure transformer trouble-free operation, reduce by the possibility of lightening strikes.Influence transformer insulated performance
It is many because being known as, the sour gas in such as temperature, humidity and air can all cause the insulating effect of distribution transformer weak
Change and even puncture, influence the normal operation of distribution transformer and electric system.And insulation ag(e)ing will weaken the exhausted of transformer
Edge acts on, and transformer paddy load is caused to be run, and finally causes spread of voltage, line fault, intermittent power failure etc., in a word transformation
Device insulation ag(e)ing will cause the frequency that failure occurs, and transformer needs is caused frequently to repair, and shorten the service life of equipment.
Have much to the inspection evaluation measures of Transformer Insulation Aging both at home and abroad at present, but it is never subsequent exhausted well
Edge heat treatment, now more commonly used HT testing transformer drying means have：Vacuum iron loss seasoning, zero-sequence current are done
Dry method, copper loss seasoning, hot-air seasoning, hot oil seasoning also have most popular baking oven heating cooperation vacuum pumping method.It is actual
Desired treatment results are still even there are many problem, for example partial discharge amount is exceeded, framework deformation is exceeded, enameled wire adhesion etc., is substantially
Because partial discharge amount is exceeded can only to be repeated to be heat-treated, cause the serious consequences such as framework deformation, enameled wire adhesion, so as to cause serious people
The waste of power material resources electric power.Therefore, it is necessary to one kind is researched and developed for HT testing transformer insulation heat-treating apparatus, so as to really
The desired treatment results for protecting HT testing transformer reach optimal.
Utility model content
The technical problems to be solved in the utility model and propose technical assignment be to prior art carry out improve with
It improves, one kind is provided for HT testing transformer insulation heat-treating apparatus, to promote the heat treatment of HT testing transformer
For the purpose of effect.For this purpose, the utility model takes following technical scheme.
One kind is for HT testing transformer insulation heat-treating apparatus, including being used to accommodate transformer winding and transformer
The transformer heat treatment tank of winding, for gathering the vacuum sensor of vacuum degree information in transformer heat treatment tank, for adopting
The capacitance transmitter of current collection capacity information, for gather the temperature transmitter of temperature in transformer heat treatment tank, for take out become
The vacuum pump of depressor heat treatment tank vacuum, for the heating unit that is heated to transformer heat treatment tank and with vacuum sensor,
The control device that capacitance transmitter, temperature transmitter, heating unit are connected；The capacitance packet of capacitance transmitter acquisition
Include the capacitance just between the winding interlayer of transformer of heat treatment process, winding and ground connection heat treatment tank, control device according to
Capacitance information control heating unit, the vacuum pump work of acquisition heat processing procedure with quantitative.The present apparatus can be easily real
Insulation processing effect and the time of high-voltage testing transformer are now controlled by measuring capacitance, control device is according to the electricity of acquisition
Capacity information can conveniently realize qualitative and quantitative calculating analysis.
As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model further includes following supplementary technology
Sign.
The capacitance transmitter is connected with voltage-current sensor, control device be connected with voltage-current sensor with
Obtain the corresponding electric current of transformer and information of voltage；Control device is according to voltage-current sensor and capacitance transmitter acquisition letter
Breath carries out thermal effectiveness processing analysis, controls heat treatment time and vacuum processing time.Facilitate and realize thermal effectiveness processing
Analysis and the control to heat treatment time and vacuum processing time.
The vacuum pump is multiple, including the first vacuum pump, the second vacuum pump, wherein the second vacuum pump is lobe pump.
By 2 vacuum pumps, and one of them is lobe pump, can preferably realize and vacuumize and keep vacuum, vacuumize efficiency
Height, effect are good.
The control device is equipped on console, and application of vacuum, Temperature Treatment, warm-up time processing data are uniformly sent
To console.Scene is handling good.The control of unified various parameters is realized by console, control operation is convenient, control reaction
In time, high treating effect.
Advantageous effect：The technical program conveniently realizes the qualitative effect analysis of insulation processing by surveying capacitance mode
And quantitative calculation and analysis, it realizes controllable insulation processing process, prevents the uncertainty of high-voltage testing transformer insulation processing,
Reduction is done over again number, prevented heating, cross the winding that vacuum belt is come destroy with the accidents such as box deformation, so as to reduce manufacturer
Workload avoids waste of material.
Description of the drawings
Fig. 1 is the utility model principle structure diagram.
In figure：1- transformer heat treatment tanks；2- vacuum sensors；3- capacitance transmitters；4- temperature transmitters；5-
One vacuum pump；The second vacuum pumps of 6-；7- consoles；8- windings；9- transformer frameworks.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of insulate heat-treating apparatus for HT testing transformer, including be used to accommodating transformer around
Transformer heat treatment tank 1, the vacuum degree for gathering vacuum degree information in transformer heat treatment tank 1 of group 8 and transformer framework 9
Sensor 2, for gathering the capacitance transmitter 3 of capacitance information, the temperature for gathering temperature in transformer heat treatment tank 1
Transmitter 4, the vacuum pump for taking out 1 vacuum of transformer heat treatment tank, the heating unit for being heated to transformer heat treatment tank 1
And the control device being connected with vacuum sensor 2, capacitance transmitter 3, temperature transmitter 4, heating unit；Capacitance pick-up
The capacitance information that device 3 gathers includes 8 interlayer of winding of transformer, winding 8 and the ground connection heat treatment tank just in heat treatment process
Between capacitance, control device according to the capacitance information of acquisition control heating unit, vacuum pump work with quantitative heating at
Reason process.
In order to realize thermal effectiveness analysis and control to heat treatment, capacitance transmitter 3 and voltage-current sensor
It is connected, control device is connected to obtain with voltage-current sensor the corresponding electric current of transformer and information of voltage；Control device root
Information is gathered according to voltage-current sensor and capacitance transmitter 3 and carries out thermal effectiveness processing analysis, controls heat treatment time
And vacuum processing time.Facilitate and realize thermal effectiveness analysis and the control to heat treatment time and vacuum processing time.
In order to realize preferable vacuum state, vacuum pump is multiple, including the first vacuum pump 5, the second vacuum pump 6, wherein
Second vacuum pump 6 is lobe pump.By 2 vacuum pumps, and one of them be lobe pump, can preferably realize vacuumize and
Vacuum is kept, vacuumizes efficient, effect is good.
Control device is equipped on console 7, and application of vacuum, Temperature Treatment, warm-up time processing data are uniformly sent to control
Platform 7 processed, console 7 determine that vacuum processing time, Temperature Treatment time, warm-up time, and each element influence each other to ensure height
The desired treatment results of pressure testing transformer reach optimal.The control of unified various parameters, control operation side are realized by console 7
Just, control reaction is timely, high treating effect.
For the ease of in-situ processing, control device is located on the console 7 at scene, at heat treatment on site real time data acquisition
Reason, control device include PLC.Control process is carried out by field control station 7, convenient for field assay processing and is tackled, PLC costs
It is low, good operating stability.
For the ease of realizing the control to heat treatment time and vacuum processing time, capacitance transmitter 3 is equipped with voltage electricity
Flow sensor, the information of capacitance transmitter 3 are sent to by voltage-current sensor on PLC, and PLC is according to the capacitance sent
Information, temperature information, vacuum degree information, temporal information are associated analysis, calculating, processing, so as to control heat treatment time and
Vacuum processing time.Acquisition to various parameters information, analysis, calculating and processing can easily be realized by PLC, are easy to implement
Control to heat treatment time and vacuum processing time.
In this example, PLC uses SIEMENS PLC module EM231, the CPU224 of SIEMENS PLC.
A kind of HT testing transformer insulation heat-treating apparatus that is used for shown in figure 1 above is the specific of the utility model
Embodiment has embodied the utility model in essence feature and progress, can be according to actual use needs, in the utility model
Enlightenment under, carry out the equivalent modifications of shape, structure etc. to it, this programme protection domain row.
Claims (4)
1. one kind is for HT testing transformer insulation heat-treating apparatus, it is characterised in that：Including be used to accommodating transformer around
Group（8）And transformer framework（9）Transformer heat treatment tank（1）, for gathering transformer heat treatment tank（1）Interior vacuum degree information
Vacuum sensor（2）, capacitance transmitter for gathering capacitance information（3）, for gathering transformer heat treatment tank
（1）The temperature transmitter of interior temperature（4）, for taking out transformer heat treatment tank（1）The vacuum pump of vacuum, for transformer heat at
Manage tank（1）The heating unit of heating and and vacuum sensor（2）, capacitance transmitter（3）, temperature transmitter（4）, heating dress
Put connected control device；Capacitance transmitter（3）The capacitance information of acquisition is included just in the transformer of heat treatment process
Winding（8）Interlayer, winding（8）With being grounded heat treatment tank（1）Between capacitance, control device is according to the capacitance information control of acquisition
Refrigerating/heating apparatus, vacuum pump work heat processing procedure with quantitative.
It is 2. according to claim 1 a kind of for HT testing transformer insulation heat-treating apparatus, it is characterised in that：Institute
The capacitance transmitter stated（3）It is connected with voltage-current sensor, control device is connected to be become with voltage-current sensor
The corresponding electric current of depressor and information of voltage；Control device is according to voltage-current sensor and capacitance transmitter（3）Gather information
Thermal effectiveness processing analysis is carried out, controls heat treatment time and vacuum processing time.
It is 3. according to claim 1 a kind of for HT testing transformer insulation heat-treating apparatus, it is characterised in that：Institute
The vacuum pump stated is multiple, including the first vacuum pump（5）, the second vacuum pump（6）, wherein the second vacuum pump（6）For lobe pump.
It is 4. according to claim 1 a kind of for HT testing transformer insulation heat-treating apparatus, it is characterised in that：Institute
The control device stated is equipped in console（7）On, application of vacuum, Temperature Treatment, warm-up time processing data are uniformly sent to control
Platform（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652525.9U CN207425619U (en) | 2017-12-01 | 2017-12-01 | One kind is for HT testing transformer insulation heat-treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652525.9U CN207425619U (en) | 2017-12-01 | 2017-12-01 | One kind is for HT testing transformer insulation heat-treating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425619U true CN207425619U (en) | 2018-05-29 |
Family
ID=62396989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721652525.9U Active CN207425619U (en) | 2017-12-01 | 2017-12-01 | One kind is for HT testing transformer insulation heat-treating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425619U (en) |
-
2017
- 2017-12-01 CN CN201721652525.9U patent/CN207425619U/en active Active
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