CN205027831U - A analogue means for simulating transformer bushing operating temperature - Google Patents
A analogue means for simulating transformer bushing operating temperature Download PDFInfo
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- CN205027831U CN205027831U CN201520692747.8U CN201520692747U CN205027831U CN 205027831 U CN205027831 U CN 205027831U CN 201520692747 U CN201520692747 U CN 201520692747U CN 205027831 U CN205027831 U CN 205027831U
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- oil
- interface
- filtering apparatus
- analogue means
- temperature
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- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims description 35
- 239000002828 fuel tank Substances 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model provides an analogue means for simulating transformer bushing operating temperature, this analogue means includes: the oil tank, it includes interface and lower interface, goes up the both sides wall that interface and lower interface are located the oil tank, going up the interface and being the oil inlet, lower interface is the oil -out, going up the interface and being close the upper end of oil tank, lower interface is close the lower extreme of oil tank, circulation pipeline, upward interface and lower interface are connected to it, and it is closed circuit to form the circulation, controllable oily circulation system, it includes controllable circulating pump, controllable circulating pump is connected on circulation pipeline, oil filter device, it is connected on circulation pipeline, temperature control device, it includes built -in heating element, built -in heating element sets up in circulation pipeline. The utility model discloses an analogue means has assembleed temperature control device, oil filter device, oily circulation system, has realized the transformer bushing operating temperature simulation, not only can be high -efficiently to the integral tank predetermined value that heaies up to the intensification is rapid, the temperature is controllable, has characteristics such as simulation is strong, convenient operation.
Description
Technical field
The utility model relates to a kind of analogue means for analogue transformer sleeve pipe running temperature.
Background technology
Bushing shell for transformer is the key equipment in power transmission and transformation system, and its operation conditions directly affects the safe and reliable operation of electric system.Bushing shell for transformer running status affects by factors such as transformer tank temperature, oil streams, makes running environment difference and the switchgear such as GIS, the isolating switch sleeve pipe of bushing shell for transformer.
Improving constantly in recent years along with voltage class of electric power system, traditional preventive trial side has been difficult to the actual needs meeting large scale electrical power unit safe operation, is difficult to actual motion environment and the running status of reflection equipment.In order to analogue transformer sleeve pipe running temperature environment, heater coil wraps casing, bottom half is adopted the methods such as heater coil to be installed to oil tank heating in current published patent, the local of the method utilizing electrically-heated coil to heat first heating compartment, along with the increase of time, other spot temperature of fuel tank are progressively made to increase.
Chinese patent 201320534908.1 proposes a kind of heater coil wraps that utilizes and utilizes the oil of eddy heating for heating principle to fuel tank to heat at casing.
Chinese patent 201110402717.5 application proposes one and utilizes temperature conditioning unit to regulate electrically-heated coil power to heat fuel tank outside.
The mode that Chinese patent 201210104354.1 proposes a kind of bottom half installation heater coil provides fuel tank temperature.
The shortcoming of above-mentioned heating means is: heat the overall oil temperature ascending velocity of uneven, fuel tank local overheating, fuel tank slow.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model is to provide a kind of analogue means for analogue transformer sleeve pipe running temperature, and it not only can analogue transformer sleeve pipe running temperature, and it is controlled, rapid to realize fuel tank temperature rise.
To achieve these goals, the utility model provides a kind of analogue means for analogue transformer sleeve pipe running temperature, and this analogue means comprises:
Fuel tank, it comprises interface and lower interface, and upper interface and lower interface are positioned at the two side of fuel tank; Upper interface is oil-in, and lower interface is oil-out; Upper interface is close to the upper end of fuel tank, and lower interface is close to the lower end of fuel tank;
Circulation line, it connects upper interface and lower interface, forms circulation closed circuit;
Controlled oil circulating system, it comprises controlled ebullator, and controlled ebullator is connected on circulation line;
Oil-filtering apparatus, it is connected on circulation line;
Attemperating unit, it comprises built-in heating element, and built-in heating element is arranged in circulation line.
In the utility model, by arranging upper interface and the lower interface of fuel tank, be convenient to the oily overall flow of casing, heating effect is good.
In the utility model, the oil of controlled oil circulating system to casing gets oil, oil return and vacuum drying treatment, for the oil circulation of casing provides power.
In the utility model, controlled oil circulating system can comprise velocimeter further, and controlled ebullator shows flow condition by velocimeter.The fastest rotating speed of controlled ebullator is 2800r/min.
Analogue means set of the present utility model attemperating unit, oil-filtering apparatus, oil circulating system, achieve the simulation of bushing shell for transformer running temperature, not only can be warmed up to predetermined value to integral tank efficiently, and rapid, the temperature-controllable that heats up, there is the features such as simulation is strong, easy to operate.
According to another embodiment of the utility model, oil-filtering apparatus comprises elementary oil-filtering apparatus and high-precision oil-filtering apparatus, and elementary oil-filtering apparatus and high-precision oil-filtering apparatus are connected on circulation line.
According to another embodiment of the utility model, elementary oil-filtering apparatus comprises elementary oil filter and blowoff valve; By carrying out primary filter to the oil of fuel tank, be convenient to directly heat oil attemperating unit.Elementary oil-filtering apparatus is directly connected by circulation line with lower interface.
According to another embodiment of the utility model, high-precision oil-filtering apparatus comprises high precision oil filter element and blowoff valve; High-precision filtration is carried out to the oil after heating, application of vacuum, ensures the purity entering the oil of fuel tank.High-precision oil-filtering apparatus is directly connected by circulation line with upper interface.Fuel-displaced first after the particulate that elementary oil-filtering apparatus filters more than 72 μm from fuel tank, by heating element heats, the oil after heating, then by high-precision oil-filtering apparatus oil strain, then enter fuel tank.
According to another embodiment of the utility model, built-in heating element is the heating net that carbon fiber heating tube braiding is formed, can to fluid rapid temperature increases.
According to another embodiment of the utility model, attemperating unit comprises temperature real-time measurement unit further, the presetting unit of temperature, temperature compare control module, relay.By temperature real-time measurement unit, fuel tank temperature is monitored, compare control module by temperature and fuel tank temperature is regulated, realize fuel tank homogeneous temperature, be heated rapidly to predetermined temperature.The spin manifold temperature recorded according to the temperature real-time measurement unit that is attached to tank wall, utilize temperature to compare control module pilot relay switching heating element, realize heating the constant temperature of transformer.Accuracy of temperature control error is ± 1.5 DEG C, and heated perimeter is adjustable between 0 ~ 130 DEG C.
Compared with prior art, the utility model possesses following beneficial effect:
Analogue means set of the present utility model attemperating unit, oil-filtering apparatus, oil circulating system, achieve the simulation of bushing shell for transformer running temperature, not only can be warmed up to predetermined value to integral tank efficiently, and rapid, the temperature-controllable that heats up, there is the features such as simulation is strong, easy to operate.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the analogue means of embodiment 1.
Embodiment
Embodiment 1
As shown in Figure 1, the present embodiment is used for the analogue means of analogue transformer sleeve pipe running temperature, comprises fuel tank 1, oil-filtering apparatus, attemperating unit 3, controlled oil circulating system 4, circulation line 6.
Wherein, fuel tank 1 comprises interface 8 and lower interface 7, and upper interface 8 and lower interface 7 are positioned at the two side of fuel tank 1; Upper interface 8 is oil-in, and lower interface 7 is oil-out; Upper interface 8 is close to the upper end of fuel tank, and lower interface 7 is close to the lower end of fuel tank;
Circulation line 6 connects upper interface 8 and lower interface 1, forms circulation closed circuit;
Controlled oil circulating system 4 comprises controlled ebullator and velocimeter, and controlled ebullator shows flow condition by velocimeter, and controlled ebullator is connected on circulation line 6;
Oil-filtering apparatus is connected on circulation line; It comprises elementary oil-filtering apparatus 2 and high-precision oil-filtering apparatus 5, and elementary oil-filtering apparatus 2 and high-precision oil-filtering apparatus 5 are connected on circulation line.Elementary oil-filtering apparatus 2 comprises elementary oil filter and blowoff valve; Elementary oil-filtering apparatus 2 is directly connected by circulation line 6 with lower interface 7.High-precision oil-filtering apparatus 5 comprises high precision oil filter element and blowoff valve; High-precision oil-filtering apparatus 5 is directly connected by circulation line 6 with upper interface 8.
Attemperating unit 3 comprises built-in heating element (heating net that such as carbon fiber heating tube braiding is formed), the presetting unit of temperature real-time measurement unit, temperature, temperature compare control module, relay.Built-in heating element is arranged in circulation line.By temperature real-time measurement unit, fuel tank temperature is monitored, compare control module by temperature and fuel tank temperature is regulated, realize fuel tank homogeneous temperature, be heated rapidly to predetermined temperature.The spin manifold temperature recorded according to the temperature real-time measurement unit that is attached to tank wall, utilize temperature to compare control module pilot relay switching heating element, realize heating the constant temperature of transformer.Accuracy of temperature control error is ± 1.5 DEG C, and heated perimeter is adjustable between 0 ~ 130 DEG C.
Although the utility model discloses as above with preferred embodiment, and be not used to the scope limiting the utility model enforcement.Any those of ordinary skill in the art, not departing from invention scope of the present utility model, when doing a little improvement, namely every equal improvement done according to the utility model, should be scope of the present utility model and contained.
Claims (6)
1. for an analogue means for analogue transformer sleeve pipe running temperature, it is characterized in that, described analogue means comprises:
Fuel tank, it comprises interface and lower interface, and described upper interface and lower interface are positioned at the two side of described fuel tank;
Circulation line, it connects described upper interface and described lower interface, forms circulation closed circuit;
Controlled oil circulating system, it comprises controlled ebullator, and described controlled ebullator is connected on described circulation line;
Oil-filtering apparatus, it is connected on described circulation line;
Attemperating unit, it comprises built-in heating element, and described built-in heating element is arranged in described circulation line.
2. analogue means as claimed in claim 1, it is characterized in that, described oil-filtering apparatus comprises elementary oil-filtering apparatus and high-precision oil-filtering apparatus, and described elementary oil-filtering apparatus and described high-precision oil-filtering apparatus are connected on described circulation line.
3. analogue means as claimed in claim 2, it is characterized in that, described elementary oil-filtering apparatus comprises elementary oil filter and blowoff valve; Described elementary oil-filtering apparatus is directly connected by described circulation line with described lower interface.
4. analogue means as claimed in claim 2, it is characterized in that, described high-precision oil-filtering apparatus comprises high precision oil filter element and blowoff valve; Described high-precision oil-filtering apparatus is directly connected by described circulation line with described upper interface.
5. analogue means as claimed in claim 1, is characterized in that, described built-in heating element is the heating net that carbon fiber heating tube braiding is formed.
6. analogue means as claimed in claim 1, is characterized in that, described attemperating unit comprises temperature real-time measurement unit further, the presetting unit of temperature, temperature compare control module, relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692747.8U CN205027831U (en) | 2015-09-08 | 2015-09-08 | A analogue means for simulating transformer bushing operating temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692747.8U CN205027831U (en) | 2015-09-08 | 2015-09-08 | A analogue means for simulating transformer bushing operating temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027831U true CN205027831U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520692747.8U Active CN205027831U (en) | 2015-09-08 | 2015-09-08 | A analogue means for simulating transformer bushing operating temperature |
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| CN (1) | CN205027831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045794A1 (en) * | 2016-09-09 | 2018-03-15 | 中国电力科学研究院有限公司 | Test device for heat pipe-type insulating sleeve |
| CN112595997A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Device and method for measuring temperature rise of outlet structure of transformer oil tank |
| CN113433433A (en) * | 2021-06-22 | 2021-09-24 | 国网陕西省电力公司电力科学研究院 | Oil-impregnated paper sleeve local overheating defect simulation device and method |
-
2015
- 2015-09-08 CN CN201520692747.8U patent/CN205027831U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045794A1 (en) * | 2016-09-09 | 2018-03-15 | 中国电力科学研究院有限公司 | Test device for heat pipe-type insulating sleeve |
| CN112595997A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Device and method for measuring temperature rise of outlet structure of transformer oil tank |
| CN112595997B (en) * | 2020-11-30 | 2022-11-22 | 保定天威集团特变电气有限公司 | Device and method for measuring temperature rise of outlet structure of transformer oil tank |
| CN113433433A (en) * | 2021-06-22 | 2021-09-24 | 国网陕西省电力公司电力科学研究院 | Oil-impregnated paper sleeve local overheating defect simulation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 510080 West Tower 13-20 Floor, Shui Jungang 6 and 8 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: NORTH CHINA ELECTRIC POWER University Address before: 510080 West Tower 13-20 Floor, Shui Jungang 6 and 8 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: China South Power Grid International Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: NORTH CHINA ELECTRIC POWER University |