CN203949853U - Electric power transformer insulated paper ageing test apparatus - Google Patents
Electric power transformer insulated paper ageing test apparatus Download PDFInfo
- Publication number
- CN203949853U CN203949853U CN201420365328.9U CN201420365328U CN203949853U CN 203949853 U CN203949853 U CN 203949853U CN 201420365328 U CN201420365328 U CN 201420365328U CN 203949853 U CN203949853 U CN 203949853U
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- China
- Prior art keywords
- fuel tank
- electric power
- test apparatus
- insulating paper
- oil
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- 230000032683 aging Effects 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000002828 fuel tank Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 20
- 239000007787 solid Substances 0.000 abstract description 20
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 abstract description 8
- 238000006116 polymerization reaction Methods 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The utility model discloses a kind of electric power transformer insulated paper ageing test apparatus, comprise fuel tank, heating radiator and ebullator; Fuel tank bottom is provided with oil-out and oiler; Between fuel tank, heating radiator, ebullator, form circulation passage; Fuel tank internal is provided with the insulating paper support of cylindrical structure, and insulating paper support is fixed in fuel tank by connecting link, is all distributed with heated for controlling temperature unit at insulating paper rack surface; Fuel tank side is provided with the hydraulic fluid port of getting for sampling.That electric power transformer insulated paper ageing test apparatus has is simple to operate, can simulate the running status of solid insulation in transformer, can improve the running temperature of solid insulation in oil carrys out accelerated deterioration, can establish the features such as mathematical relation between the ageing state (degree of polymerization of insulating paper) of oil-soluble ageing products (furfural content in oil) and solid insulation simultaneously.
Description
Technical field
The utility model relates to a kind of electric power transformer insulated paper ageing test apparatus, belongs to electric system field of mechanical technique.
Background technology
In power transformer, the measurement of the insulating paper degree of polymerization is the most direct method of assessment solid insulation ageing state at present.But the method has limitation and not easy to operate, and sampling process must have a power failure, drain the oil, and solid insulation system is also had to wound, sampling finishes rear sampling place and also must repair and strengthen.Use electric power transformer insulated paper aging testing method can simulate the running environment of solid insulation in transformer, adopt the mode that improves temperature to accelerate the solid insulation ageing in transformer, reach the effect that makes insulating paper quick aging; Can carry out the mensuration of the ageing state (degree of polymerization of insulating paper) of oil-soluble ageing products (furfural content in oil) and solid insulation simultaneously, assess solid insulation ageing state by definite mathematical relation between it, simple, convenient and practical.
Utility model content
Object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of electric power transformer insulated paper ageing test apparatus.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of electric power transformer insulated paper ageing test apparatus, is characterized in that, comprises fuel tank, heating radiator and ebullator; Described fuel tank bottom is provided with oil-out and oiler;
The oil-out of described fuel tank is connected by pipeline with the entrance of heating radiator, and the outlet of heating radiator is connected with the entrance of ebullator, and circulation delivery side of pump is connected by pipeline with the oiler of fuel tank, between fuel tank, heating radiator, ebullator, forms circulation passage;
Described fuel tank internal is provided with the insulating paper support of cylindrical structure, and described insulating paper support is fixed in fuel tank by connecting link, is all distributed with heated for controlling temperature unit at insulating paper rack surface.
Described electric power transformer insulated paper ageing test apparatus, is characterized in that: described fuel tank side is provided with the hydraulic fluid port of getting for sampling.
Described electric power transformer insulated paper ageing test apparatus, it is characterized in that: the cylindrical structure that described fuel tank is hollow, described insulating paper support is that the cylindrical structure matching with fuel tank is horizontally set on fuel tank internal, is convenient in transformer oil that insulating paper is all immersed in fuel tank.
As preferred version, described electric power transformer insulated paper ageing test apparatus, is characterized in that: described heated for controlling temperature unit comprises 100 temperature controlling points, and each temperature controlling point all can carry out the temperature control of 0～350 DEG C of different temperature points.
Beneficial effect: the electric power transformer insulated paper ageing test apparatus that the utility model provides, solve and insulating paper in transformer in service has been carried out to the problems such as degree of polymerization test sampling in early stage difficulty, substitute original work on the spot loaded down with trivial details, consuming time completely.The electric power transformer insulated paper ageing test apparatus of the utility model can be simulated the running environment of solid insulation in transformer, adopt the mode that improves temperature to accelerate the solid insulation ageing in transformer, reach the effect that makes insulating paper quick aging, there is the features such as simple, convenient and practical.Utilize electric power transformer insulated paper ageing test apparatus to carry out the assessment of transformer solid insulation ageing state, can establish effectively quickly the mathematical relation between solid insulation ageing product and solid insulation ageing state, for the safe operation of grid equipment provides theoretical foundation.
Brief description of the drawings
Fig. 1 is the structural representation of the electric power transformer insulated paper ageing test apparatus of the utility model;
In figure: fuel tank 1, heating radiator 2, ebullator 3, oil-out 4, oiler 5, insulating paper support 6, heated for controlling temperature unit 7, get hydraulic fluid port 8.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of electric power transformer insulated paper ageing test apparatus, comprises fuel tank 1, heating radiator 2 and ebullator 3; Described fuel tank bottom is provided with oil-out 4 and oiler 5;
The oil-out 4 of described fuel tank is connected by pipeline with the entrance of heating radiator 2, the outlet of heating radiator 2 is connected with the entrance of ebullator 3, the outlet of ebullator 3 is connected by pipeline with the oiler of fuel tank 5, between fuel tank 1, heating radiator 2, ebullator 3, forms circulation passage;
Described fuel tank internal is provided with the insulating paper support 6 of cylindrical structure, and described insulating paper support is fixed in fuel tank by connecting link, is all distributed with heated for controlling temperature unit 7 at insulating paper rack surface.
Described electric power transformer insulated paper ageing test apparatus, is characterized in that: described fuel tank side is provided with gets hydraulic fluid port 8 for what sample.
Described electric power transformer insulated paper ageing test apparatus, it is characterized in that: the cylindrical structure that described fuel tank 1 is hollow, described insulating paper support 6 is horizontally set on fuel tank internal for the cylindrical structure matching with fuel tank, is convenient in transformer oil that insulating paper is all immersed in fuel tank.
As preferred version, described electric power transformer insulated paper ageing test apparatus, is characterized in that: described heated for controlling temperature unit 7 comprises 100 temperature controlling points, and each temperature controlling point all can carry out the temperature control of 0～350 DEG C of different temperature points.
A kind of electric power transformer insulated paper aging testing method, based on described electric power transformer insulated paper ageing test apparatus, comprises the following steps:
1) fuel tank is oil-filled: in described fuel tank, be filled with a certain amount of new transformer oil, heated for controlling temperature unit can be fully immersed in transformer oil;
2) insulating paper is fixing: according to the oil of high-power transformer inside, paper ratio, the insulating paper of corresponding weight is wrapped on insulating paper support, covers on the heated for controlling temperature point of required heating simultaneously;
3) Temperature Setting: carry out the Temperature Setting of different temperature points according to testing requirements, amount to 100 points, between 0～350 DEG C of temperature range;
4) carry out heated for controlling temperature: the heated for controlling temperature unit that installs insulating paper is fully immersed in the transformer oil in fuel tank, opens heating simultaneously, open ebullator, the transformer oil of fuel tank internal carries out interior circulation;
5) temperature control: when heating unit temperature reaches after setting value, device enters temperature control state automatically, adopts simulation to improve transformer normal operating temperature and carrys out accelerating solid insulation ag(e)ing;
6) test: when constant temperature time reaches after testing requirements, stop heating, stop circulation, stopping device; Treat that temperature drops to room temperature, carry out furfurol test from getting hydraulic fluid port sampling, pull down insulating paper and carry out degree of polymerization test;
7) revision test: hot spot and the different constant temperature time of setting different temperatures, varying number repeat step 1)-6), establish the mathematical relation between solid insulation ageing product and solid insulation ageing state according to the degree of polymerization of furfural content, insulating paper in above test findings-transformer oil.
Oil, paper ratio that electric power transformer insulated paper ageing test apparatus of the present utility model and method can be pacified in photograph high-power transformer are completely simulated, and can carry out heating and the temperature control of arbitrfary point and face simultaneously, and scope is at 0～350 DEG C, and precision is 1 DEG C; That electric power transformer insulated paper ageing test apparatus and method have is simple to operate, can simulate the running status of solid insulation in transformer, can improve the running temperature of solid insulation in oil carrys out accelerated deterioration, can establish the features such as mathematical relation between the ageing state (degree of polymerization of insulating paper) of oil-soluble ageing products (furfural content in oil) and solid insulation simultaneously.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an electric power transformer insulated paper ageing test apparatus, is characterized in that, comprises fuel tank, heating radiator and ebullator; Described fuel tank bottom is provided with oil-out and oiler;
The oil-out of described fuel tank is connected by pipeline with the entrance of heating radiator, and the outlet of heating radiator is connected with the entrance of ebullator, and circulation delivery side of pump is connected by pipeline with the oiler of fuel tank, between fuel tank, heating radiator, ebullator, forms circulation passage;
Described fuel tank internal is provided with the insulating paper support of cylindrical structure, and described insulating paper support is fixed in fuel tank by connecting link, is all distributed with heated for controlling temperature unit at insulating paper rack surface.
2. electric power transformer insulated paper ageing test apparatus according to claim 1, is characterized in that: described fuel tank side is provided with the hydraulic fluid port of getting for sampling.
3. electric power transformer insulated paper ageing test apparatus according to claim 1, it is characterized in that: the cylindrical structure that described fuel tank is hollow, described insulating paper support is that the cylindrical structure matching with fuel tank is horizontally set on fuel tank internal, is convenient in transformer oil that insulating paper is all immersed in fuel tank.
4. electric power transformer insulated paper ageing test apparatus according to claim 1, is characterized in that: described heated for controlling temperature unit comprises 100 temperature controlling points, each temperature controlling point all can carry out the temperature control of 0～350 DEG C of different temperature points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365328.9U CN203949853U (en) | 2014-07-04 | 2014-07-04 | Electric power transformer insulated paper ageing test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365328.9U CN203949853U (en) | 2014-07-04 | 2014-07-04 | Electric power transformer insulated paper ageing test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949853U true CN203949853U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365328.9U Active CN203949853U (en) | 2014-07-04 | 2014-07-04 | Electric power transformer insulated paper ageing test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048912A (en) * | 2014-07-04 | 2014-09-17 | 国家电网公司 | Ageing testing device and method for insulating paper of power transformer |
| CN107390064A (en) * | 2017-08-03 | 2017-11-24 | 中国电力科学研究院 | A kind of ageing test apparatus and application method of insulating oil or paper oil insulation |
-
2014
- 2014-07-04 CN CN201420365328.9U patent/CN203949853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048912A (en) * | 2014-07-04 | 2014-09-17 | 国家电网公司 | Ageing testing device and method for insulating paper of power transformer |
| CN107390064A (en) * | 2017-08-03 | 2017-11-24 | 中国电力科学研究院 | A kind of ageing test apparatus and application method of insulating oil or paper oil insulation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |