CN207602111U - A kind of oil-immersed power transformer protection simulator - Google Patents
A kind of oil-immersed power transformer protection simulator Download PDFInfo
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- CN207602111U CN207602111U CN201721321321.7U CN201721321321U CN207602111U CN 207602111 U CN207602111 U CN 207602111U CN 201721321321 U CN201721321321 U CN 201721321321U CN 207602111 U CN207602111 U CN 207602111U
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- oil
- power transformer
- fuel tank
- transformer protection
- conservator
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Abstract
The utility model is related to the technical field of electric power teaching, training, more particularly, to a kind of oil-immersed power transformer protection simulator.The oil-immersed power transformer protection simulator of the utility model, including fuel tank, Buchholz relay, conservator and the respirator being made of clear material, and is connected between each component by transparent pipeline；The equal ancient costume of each component of protective device is simulated in moving trolley.The utility model on fuel tank by setting quick coupling, the various features gas such as methane, acetylene, hydrogen, carbon monoxide, carbon dioxide, ethylene, ethane is charged into inside simulator convenient for connection air charging system, analogue transformer failure releases the process of gas；By building an oil-immersed transformer simulator being made of clear material; so that the work operating of internal element is high-visible; protection action process is presented on student at the moment, contribute to student have to the operation principle and technological know-how of oil-immersed power transformer deeper into understanding.
Description
Technical field
The utility model is related to the technical field of electric power teaching, training, more particularly, to a kind of oil-immersed type power transformation
Device protection simulator.
Background technology
Gaseous shield is the main protection element of power transformer interior fault, to transformer turn-to-turn and layer short circuit, iron
Core failure, inside pipe casing failure, winding inside is broken and the failures such as insulation degradation and pasta decline can sensitive action.Work as oil immersion
When the inside of formula transformer is broken down, since electric arc will decompose insulating materials and generate a large amount of gas, from fuel tank to oil
Pillow flowing, intensity is different and different with the severity of failure, reacts this air-flow and oil stream and action protection.It can
See, the grasp of gaseous shield and its principle is particularly important for the technical staff for just relating to power industry.
However, the teaching and Training Methodology of oil-immersed power transformer associative skills are confined to transformation both at home and abroad at present
The explanation of device principle and a certain type transformer is dissected and observed, it is impossible to the failure that Transformer may occur
Phenomenon is reproduced；Simultaneously because the transformer of training is once selected, in transformer correlated performance is tested and is tested, as long as
Transformer electrical characteristic itself does not change, and test data has uniqueness, can not realize and personalized survey is carried out to multidigit student
Examination examination.This training method is unfavorable for the understanding and study of student, denounces in teaching practice a lot of.In order to improve student's reality
Border operative skill and maintenance, maintenance and measuring technology are horizontal, and it is imperative with training method to improve existing teaching.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and result of training can be improved so that learning by providing one kind
Member can preferably grasp the oil-immersed power transformer protection of the operation principle and technological know-how of transformer protection
Simulator.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of oil-immersed power transformer protection simulator is provided, including moving trolley and is installed in the shifting
Fuel tank, Buchholz relay, conservator and respirator on dynamic trolley, the fuel tank, Buchholz relay, conservator and respirator are by saturating
Bright material is made, and is linked in sequence by transparent pipeline；Filled with insulating oil in the conservator, set on the top of the fuel tank；
Transparent pipeline is communicated between the fuel tank and the conservator.
The oil-immersed power transformer protection simulator of the utility model, oil-immersed power transformer break down
When generate methane, acetylene, the various features gas such as hydrogen, during the gas of generation is moved from transformer to top conservator,
Buchholz relay need to be passed through, the action of light gas sends out signal, grave gas then action breaker disengagement failure transformer；Pass through structure
One oil-immersed transformer simulator being made of clear material so that the work operating of internal element is high-visible, general watt
This protection act process is presented on student at the moment, contributes to operation principle and technological know-how of the student to oil-immersed power transformer
Have deeper into understanding.
Further, the oil-immersed power transformer protection simulator further includes the oil for forced oil-circulation
Pump, the oil pump are connected to by transparent pipeline between the oil pump and the conservator.When lacking oil in fuel tank, in conservator
Oil will be flowed down along pipeline, be added in fuel tank, be allowed to keep full oil condition；Meanwhile when transformer load increases, oil temperature increases
Height, transformer oil expand, also can be upper along pipeline when can not contained any more in fuel tank, flow back into conservator；But transformer oil relies on gravity
With being short of power for pressures cycle, oil pump can force oily cycle, remain that fuel tank keeps full oil condition.
Further, the oil-immersed power transformer protection simulator further includes the gas collection for collecting gas
Box, the collector box are connected with the Buchholz relay.When only a small amount of gas generates, Buchholz relay will not act, gas
Body enters collector box；Gas sample can be taken to carry out chromatography out of collector box every a period of time, judge to become by gas composition
The operation conditions of depressor, if faulty, if need to overhaul.
Further, the fuel tank is equipped with tank filler sleeve and oil outlet, and the tank filler sleeve is connected to institute by transparent pipeline
Conservator is stated, the oil outlet is connected to Buchholz relay by transparent pipeline.Setting is provided for oil cycle in transformer in this way
Condition.
Further, the tank filler sleeve is equipped with the ball valve for regulating oil tank into oil pump capacity with the oil outlet.Ball
The setting of valve, into oil pump capacity, controls the oil stream speed of transformer to prevent too fast oil in suitable range convenient for regulating oil tank
Flow velocity degree leads to the problem of electrostatic and electric discharge and insulation damages problem caused by accumulation of static electricity.
Further, the quick coupling for connecting air charging system is additionally provided on the fuel tank.Quick coupling is used for first
The various features gas such as alkane, acetylene, hydrogen, carbon monoxide, carbon dioxide, ethylene, ethane is charged into inside simulator, and simulation becomes
Depressor failure releases the process of gas.
Further, the moving trolley includes idler wheel, bottom plate and fixed plate, and the idler wheel is installed in the bottom of the bottom plate
Portion, the fixed plate are vertically connected at the long side of the bottom plate.Simulator is installed in moving trolley, during training and teaching just
In the movement of transformer, and convenient for the storage of transformer.
Further, the long side of the bottom plate is vertically connected with hand-pushing handle, and the hand-pushing handle is equipped with handle, the hand
Handle periphery is equipped with knurling.Since the whole height of simulator is higher, in bottom plate side, installation hand-pushing handle is convenient for behaviour with handle
Make and keep the balance of moving trolley.
Further, the bottom plate is made of level board connected vertically and vertical plate, and the fuel tank and oil pump are installed in
On the level board, the conservator is installed in respirator on vertical plate, and the Buchholz relay is installed in described with collector box
In fixed plate.Respirator is typically mounted at the height of 1.5m ~ 2m from the ground, and fuel tank is placed in below respirator, convenient for fuel tank with exhaling
Oil cycle between haustorium；Buchholz relay is placed in collector box in same fixed plate, is connected between the two by copper conductor tube, is become
The gas that depressor failure generates enters collector box, in order to which sampling carries out chromatography out of collector box.
Further, the fuel tank, Buchholz relay, conservator, respirator, oil pump and collector box are by PMMA material systems
Into transparent configuration.PMMA is the fabulous material of the transparency, and the simulator made using PMMA can cause transformer element
Inner workings can intuitively be presented on receive training personnel in face of；In addition, PMMA materials have good machinery
Performance and processability.
Compared with prior art, the beneficial effects of the utility model are：
（1）By building an oil-immersed transformer simulator being made of clear material so that the work of internal element
It is high-visible to make operating, protection action process is clearly shown, student is enable truly to experience transformer
All parts how to work, more life-likely close to scene truth so that the training of transformer is more convenient
Change and deepization, reinforcement result of training；
（2）By the way that simulator is installed in moving trolley so that the movement of transformer and transformer during training and teaching
Storage it is easy, stablize, be quick；
（3）By setting quick coupling on fuel tank, methane, acetylene, hydrogen, one are aoxidized convenient for connection air charging system
The various features gas such as carbon, carbon dioxide, ethylene, ethane is charged into inside simulator, and analogue transformer failure releases gas
Process；
（4）By connecting collector box on Buchholz relay to collect gas, convenient for gas sample is taken to carry out color out of collector box
Spectrum analysis judges the operation conditions of transformer by gas composition, judge whether it is faulty, whether need to overhaul；To transformation
The anatomy contacted between device failure and gas componant is relatively sharp, contributes to student to transformer working principle and technological know-how
Deeply understand.
Description of the drawings
Fig. 1 is the structure diagram of the oil-immersed power transformer protection simulator of the utility model.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
First embodiment for the oil-immersed power transformer protection simulator of the utility model as shown in Figure 1,
Including moving trolley 1 and the fuel tank being installed in moving trolley 2, Buchholz relay 3, conservator 4, respirator 5,8 and of collector box
Oil pump 7, fuel tank 2, Buchholz relay 3, conservator 4, respirator 5, collector box 8 and oil pump 7 are made of clear material, and fuel tank 2,
Buchholz relay 3, conservator 4, respirator 5 are linked in sequence by transparent pipeline 6；Oil pump 7 is connected to oil pump 7 by transparent pipeline 6
Between conservator 4, filled with insulating oil in conservator 4, set on the top of fuel tank 2, transparent pipe is communicated between fuel tank 2 and conservator 4
Road 6.In the present embodiment, collector box 8 is linked together with Buchholz relay 3 by copper pipe, and 5 inside of respirator is equipped with drier,
Such as silica gel, calcium chloride or cobalt chloride, to absorb the moisture and impurity in air, to ensure the quality of oil, respirator 5 and conservator 4
It is fixed in moving trolley by U-tube card 9.
Specifically, fuel tank 2 is equipped with tank filler sleeve 21 and oil outlet 22, and tank filler sleeve 21 is connected to conservator by transparent pipeline 6
4, oil outlet 22 is connected to Buchholz relay 3 by transparent pipeline 6, convenient for the oil cycle in transformer；Tank filler sleeve 21 with it is fuel-displaced
The ball valve for regulating oil tank into oil pump capacity is equipped at mouth 22, convenient for regulating oil tank 2 into oil pump capacity, controls the oil stream of transformer
Speed is in suitable range.
As shown in Figure 1, moving trolley 1 includes idler wheel 11, bottom plate 12 and fixed plate 13, idler wheel 11 is installed in the bottom of bottom plate 12
Portion, fixed plate 13 are vertically connected at the long side of bottom plate 12；Simulator is installed in moving trolley 1, and when training and teaching is convenient for
The movement of transformer, and convenient for the storage of transformer；The long side of bottom plate is vertically connected with hand-pushing handle 14, and hand-pushing handle 14 is equipped with
Handle, handle periphery are equipped with knurling, balance that is easy to operation and keeping moving trolley.
Specifically, bottom plate 12 is made of level board connected vertically and vertical plate, and fuel tank 2 and oil pump 7 are installed in level board
On, conservator 4 is installed in respirator 5 on vertical plate, and Buchholz relay 3 is installed in collector box 8 in fixed plate 13；Gas relay
Device 3 and collector box 8 are placed in same fixed plate 13, are connected between the two by copper conductor tube, the gas that transformer fault generates into
Enter collector box 8, in order to which sampling carries out chromatography out of collector box 8.
In the present embodiment, the quick coupling 23 for connecting air charging system is additionally provided on fuel tank 2, it will by air charging system
The various features gas such as methane, acetylene, hydrogen, carbon monoxide, carbon dioxide, ethylene, ethane is charged into inside simulator, simulation
Transformer fault releases the process of gas.
When transformer breaks down, electric arc caused by electric discharge is decomposed transformer oil, generates such as methane, second
The various features gas such as alkynes, hydrogen, carbon monoxide, carbon dioxide, ethylene, ethane, the gas of generation are upward by inside transformer
Pass through Buchholz relay 3 in 4 motion process of portion's conservator；If gas content is less, gas is built up in Buchholz relay 3, makes to float
Son declines, and 3 one groups of normally opened contacts of Buchholz relay are closed, and light gas action is signaled；If gas content is larger, deep fat stream and heat
Air-flow is quickly gone out by Buchholz relay, pushes baffle action in Buchholz relay, and another group of normally opened contact is closed, grave gas
Action breaker trips, and cuts off failure transformer；When only a small amount of gas generates, Buchholz relay 3 will not act, but
Gas can enter collector box 8 by copper conductor tube, gas sample is taken to carry out chromatography out of collector box 8 every a period of time, pass through gas
Form to judge the operation conditions of transformer, judge whether it is faulty, whether need to overhaul.
The present embodiment is by building an oil-immersed transformer simulator made of PMMA so that above-mentioned internal element
Work operating it is high-visible, protection action process is presented on student at the moment, contribute to student to oil-immersed type power become
The operation principle and technological know-how of depressor have deeper into understanding.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of oil-immersed power transformer protection simulator, which is characterized in that including moving trolley（1）And it is fixedly mounted with
Fuel tank in the moving trolley（2）, Buchholz relay（3）, conservator（4）And respirator（5）, the fuel tank（2）, gas after
Electric appliance（3）, conservator（4）With respirator（5）It is made of clear material, and passes through transparent pipeline（6）It is linked in sequence；The conservator
（4）It is interior to be filled with insulating oil, set on the fuel tank（2）Top；The fuel tank（2）With the conservator（4）Between be communicated with
Open conduit.
2. oil-immersed power transformer protection simulator according to claim 1, which is characterized in that the oil immersion
Formula power transformer protection simulator further includes the oil pump for forced oil-circulation（7）, the oil pump（7）By transparent
Pipeline（6）It is connected to the oil pump（7）With the conservator（4）Between.
3. oil-immersed power transformer protection simulator according to claim 1, which is characterized in that the oil immersion
Formula power transformer protection simulator further includes the collector box for collecting gas（8）, the collector box（8）With it is described
Buchholz relay（3）Connection.
4. oil-immersed power transformer protection simulator according to claim 1, which is characterized in that the fuel tank
（2）It is equipped with tank filler sleeve（21）And oil outlet（22）, the tank filler sleeve（21）Pass through transparent pipeline（6）It is connected to the conservator
（4）, the oil outlet（22）Pass through transparent pipeline（6）It is connected to Buchholz relay（3）.
5. oil-immersed power transformer protection simulator according to claim 4, which is characterized in that the oiling
Hole（21）With the oil outlet（22）Place is equipped with for regulating oil tank（2）Into the ball valve of oil pump capacity.
6. oil-immersed power transformer protection simulator according to claim 1, which is characterized in that the fuel tank
（2）On be additionally provided with quick coupling for connecting air charging system（23）.
7. oil-immersed power transformer protection simulator according to claim 1, which is characterized in that the movement
Trolley（1）Including idler wheel（11）, bottom plate（12）And fixed plate（13）, the idler wheel（11）It is installed in the bottom plate（12）Bottom
Portion, the fixed plate（13）With the bottom plate（12）Vertical connection.
8. oil-immersed power transformer protection simulator according to claim 7, which is characterized in that the bottom plate
（12）Long side be vertically connected with hand-pushing handle（14）, the hand-pushing handle（14）On be arranged with handle, the handle periphery is equipped with
Knurling.
9. oil-immersed power transformer protection simulator according to claim 7, which is characterized in that the bottom plate
（12）It is made of level board connected vertically and vertical plate, the fuel tank（2）And oil pump（7）It is installed on the level board, institute
State conservator（4）With respirator（5）It is installed on vertical plate, the Buchholz relay（3）With collector box（8）It is installed in the fixation
Plate（13）On.
10. according to claim 1 to 9 any one of them oil-immersed power transformer protection simulator, feature exists
In the fuel tank（2）, Buchholz relay（3）, conservator（4）, respirator（5）, oil pump（7）And collector box（8）It is by PMMA materials
Transparent configuration made of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321321.7U CN207602111U (en) | 2017-10-13 | 2017-10-13 | A kind of oil-immersed power transformer protection simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321321.7U CN207602111U (en) | 2017-10-13 | 2017-10-13 | A kind of oil-immersed power transformer protection simulator |
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| Publication Number | Publication Date |
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| CN207602111U true CN207602111U (en) | 2018-07-10 |
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| CN201721321321.7U Active CN207602111U (en) | 2017-10-13 | 2017-10-13 | A kind of oil-immersed power transformer protection simulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111159930A (en) * | 2019-12-05 | 2020-05-15 | 广东电网有限责任公司 | CFD-based transformer respiratory system capacity matching evaluation method |
| CN111811894A (en) * | 2020-07-11 | 2020-10-23 | 国网辽宁省电力有限公司电力科学研究院 | Gas on-line detection method and device in power transformer gas relay |
| CN113109517A (en) * | 2021-04-21 | 2021-07-13 | 国网陕西省电力公司电力科学研究院 | Network access detection device and method of gas relay gas monitoring device |
| US11309703B2 (en) | 2018-09-13 | 2022-04-19 | Guangzhou Power Supply Co., Ltd. | Transformer simulation system, and simulation and measurement method for setting value |
| CN114427990A (en) * | 2022-04-07 | 2022-05-03 | 广东电网有限责任公司佛山供电局 | Gas taking method for transformer gas protection action and detection device thereof |
-
2017
- 2017-10-13 CN CN201721321321.7U patent/CN207602111U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11309703B2 (en) | 2018-09-13 | 2022-04-19 | Guangzhou Power Supply Co., Ltd. | Transformer simulation system, and simulation and measurement method for setting value |
| CN111159930A (en) * | 2019-12-05 | 2020-05-15 | 广东电网有限责任公司 | CFD-based transformer respiratory system capacity matching evaluation method |
| CN111811894A (en) * | 2020-07-11 | 2020-10-23 | 国网辽宁省电力有限公司电力科学研究院 | Gas on-line detection method and device in power transformer gas relay |
| CN113109517A (en) * | 2021-04-21 | 2021-07-13 | 国网陕西省电力公司电力科学研究院 | Network access detection device and method of gas relay gas monitoring device |
| CN114427990A (en) * | 2022-04-07 | 2022-05-03 | 广东电网有限责任公司佛山供电局 | Gas taking method for transformer gas protection action and detection device thereof |
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