CN106783036A - A kind of power transformer forced oil-circulated air-cooled system - Google Patents
A kind of power transformer forced oil-circulated air-cooled system Download PDFInfo
- Publication number
- CN106783036A CN106783036A CN201611150076.8A CN201611150076A CN106783036A CN 106783036 A CN106783036 A CN 106783036A CN 201611150076 A CN201611150076 A CN 201611150076A CN 106783036 A CN106783036 A CN 106783036A
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- China
- Prior art keywords
- electrically connected
- input
- transformer
- oil
- output end
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- 238000001816 cooling Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 abstract description 5
- 238000011217 control strategy Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
Abstract
The invention discloses a kind of power transformer forced oil-circulated air-cooled system, including transformer and temperature sensor, the transformer and air cooling equipment are connected by oil pipe, the working fan fixedly mounted on the air cooling equipment is electrically connected with controller by transmission cable, the controller top is installed with alarm lamp, the output end of the temperature sensor is electrically connected with the input of data acquisition module, the output end of the data acquisition module is electrically connected with the input of A/D modular converters, the output end of the solid-state relay is electrically connected with the input of oil-immersed pump and blower fan group respectively.It is core that the present invention uses the PLC of intelligence, realize the effective control to transformer cooling system, and combine advanced control strategy, effectively the energy is saved, cooling device is avoided to be damaged because of overwork simultaneously, the service life of raising equipment, and reduces cost input, adapt to the demand for development of modern intelligent grid.
Description
Technical field
The present invention relates to transformer Cooling equipment technical field, specially a kind of power transformer forced oil-circulated air-cooled system
System.
Background technology
At present, with the fast development of China's economy, under the promotion of powerful electricity needs, the developing steps of power network
Constantly accelerate.At present, forced oil-circulation wind-cooling heat dissipating mode is often used in 500kV transformer stations, and in traditional relay side
Under formula control, during whole service, at least one group air-cooled whole year operation, the motor speed of its fan and oil-immersed pump it is constant
Under 50Hz power frequencies, it is impossible to change with the change of main transformer oil, the waste of electric energy is caused, intelligence degree is not high, switching is uneven
Weighing apparatus, in order to improve large-scale power transformer reliability of operation, improve production efficiency creates considerable economic benefit, it is necessary to right
Large-scale power transformer forced-oil-air cooling control system is studied and designed, and with reference to advanced control strategy, realizes energy saving,
Adapt to the demand for development of modern intelligent grid.
The content of the invention
It is an object of the invention to provide a kind of power transformer forced oil-circulated air-cooled system, to solve above-mentioned background technology
The problem of middle proposition, is had an advantageous effect in that：With using intelligent PLC to be core, realize cold to transformer
But effective control of system, and advanced control strategy is combined, the energy is effectively saved, while avoiding cooling device because super negative
Lotus work and damages, improve equipment service life, and reduces cost input, adapt to modern times intelligent grid demand for development.
To achieve the above object, the present invention provides following technical scheme：A kind of power transformer forced oil-circulated air-cooled system,
Including transformer and temperature sensor, the transformer and air cooling equipment are connected by oil pipe, and oil-immersed pump is provided with oil pipe,
The working fan fixedly mounted on the air cooling equipment is electrically connected with controller by transmission cable, is installed on the controller
Display screen be arranged on left-right situs loudspeaker and operation button top, and loudspeaker and operation button be installed in control
On device, the controller top is installed with alarm lamp, and the output end of the temperature sensor is defeated with data acquisition module
Enter end to be electrically connected with, the output end of the data acquisition module is electrically connected with the input of A/D modular converters, the A/D turns
The input of the output end and PLC that change the mold block is electrically connected with, the output end difference of the operation button and power supply module
Input with PLC is electrically connected with, and the communication module that the PLC is electrically connected with electrically connects with terminal computer
Connect, the input of the output end of the PLC respectively with alarm lamp, display screen, loudspeaker and solid-state relay electrically connects
Connect, the output end of the solid-state relay is electrically connected with the input of oil-immersed pump and blower fan group respectively.
Preferably, the blower fan group includes working fan and standby fan.
Preferably, the communication module can use wireless communication or wired network communication.
Preferably, the temperature sensor is provided with multiple, and temperature sensor is separately positioned on transformer top layer, winding
Outside transformer.
Preferably, the PLC model EM235.
Compared with prior art, the beneficial effects of the invention are as follows：It is core that the equipment uses the PLC of intelligence, real
Now to effective control of transformer cooling system, and advanced control strategy is combined, the energy has effectively been saved, while avoiding cold
But equipment is damaged because of overwork, improves the service life of equipment, and reduces cost input, adapt to modern intelligent grid
Demand for development, the design of multiple temperature sensors being capable of real-time monitoring transformer top-oil temperature, winding temperature and environment temperature
Degree, so as to be conducive to temperature when staff works for transformer to take rationally effective cooling control, it is right not only to realize
Transformer inner fluid is lowered the temperature, while effectively economize on resources, while the design of communication module coordinates alarm lamp to cause the device to
Enough in real time by working data transport to terminal computer, while can be with instant alarming, so as to reduce event when device fails
Downtime, reduces the loss of economic asset.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is system block diagram of the invention.
In figure：1- transformers；2- oil pipes；3- oil-immersed pumps；4- air cooling equipments；5- working fans；6- transmission cables；7- is controlled
Device；8- alarm lamps；9- display screens；10- loudspeakers；11- operates button；12- temperature sensors；13- data acquisition modules；14-
A/D modular converters；15- power supply modules；16-PLC controllers；17- communication modules；18- terminal computers；19- solid-state relays；
20- blower fan groups.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, a kind of embodiment that the present invention is provided：A kind of power transformer forced oil-circulated air-cooled system,
Including transformer 1 and temperature sensor 12, transformer 1 and air cooling equipment 4 are connected by oil pipe 2, and are provided with latent oil on oil pipe 2
Pump 3, the working fan 5 fixedly mounted on air cooling equipment 4 is electrically connected with controller 7 by transmission cable 6, is pacified on controller 7
The display screen 9 of dress is arranged on the loudspeaker 10 of left-right situs and the top of operation button 11, and loudspeaker 10 and operation button 11
It is installed on controller 7, the top of controller 7 is installed with alarm lamp 8, the output end of temperature sensor 12 and data acquisition
The input of module 13 is electrically connected with, and the output end of data acquisition module 13 is electrically connected with the input of A/D modular converters 14,
The output end of A/D modular converters 14 is electrically connected with the input of PLC 16, operation button 11 and power supply module 15 it is defeated
Go out end to be electrically connected with the input of PLC 16 respectively, communication module 17 and terminal meter that PLC 16 is electrically connected with
Calculation machine 18 is electrically connected with, the output end of PLC 16 respectively with alarm lamp 8, display screen 9, loudspeaker 10 and solid-state relay
19 input is electrically connected with, and the input of the output end of solid-state relay 19 respectively with oil-immersed pump 3 and blower fan group 20 electrically connects
Connect, blower fan group 20 includes working fan 5 and standby fan, communication module 17 can be logical using wireless communication or cable network
Letter, temperature sensor 12 is provided with multiple, and temperature sensor 12 is separately positioned on the top layer of transformer 1, winding and transformer 1
Outward, the model EM235 of PLC 16.
Operation principle：When using, starting device, transformer 1 can produce heat when working, and the good specific heat of transformer oil
Property can absorb heat, consequently, it is possible to the real-time monitoring temperature of temperature sensor 12 being located at outside the top layer of transformer 1, winding and transformer 1
Data acquisition module 13 is spent and transferred data to, is changed through A/D modular converters 14 after, then analyzed by PLC 16
Solid-state relay 19 is signaled to after treatment, and controls the working fan 5 in oil-immersed pump 3 and blower fan group 20 to work, so that right
Transformer oil is cooled down, while detection data can be transferred to terminal by PLC 16 by communication module 17 calculating
Machine 18, so that staff is analyzed record, when device fails, the loudspeaker 10 and alarm lamp 8 in equipment are instant
Audio alert and light warning are sent, so as to point out staff's on-call maintenance to get rid of the danger, property loss is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Claims (5)
1. a kind of power transformer forced oil-circulated air-cooled system, including transformer (1) and temperature sensor (12), its feature exist
In：The transformer (1) and air cooling equipment (4) are connected by oil pipe (2), and oil-immersed pump (3) is provided with oil pipe (2), described
The working fan (5) fixedly mounted on air cooling equipment (4) is electrically connected with controller (7) by transmission cable (6), the control
The display screen (9) installed on device (7) is arranged on the loudspeaker (10) of left-right situs and the top of operation button (11), and loudspeaker
(10) it is installed on controller (7) with operation button (11), controller (7) top is installed with alarm lamp (8), institute
The input of the output end and data acquisition module (13) of stating temperature sensor (12) is electrically connected with, the data acquisition module
(13) output end is electrically connected with the input of A/D modular converters (14), the output end of the A/D modular converters (14) with
The input of PLC (16) is electrically connected with, the output end of operation button (11) and power supply module (15) respectively with PLC
The input of controller (16) is electrically connected with, and the communication module (17) that the PLC (16) is electrically connected with is calculated with terminal
Machine (18) is electrically connected with, the output end of the PLC (16) respectively with alarm lamp (8), display screen (9), loudspeaker (10)
Be electrically connected with the input of solid-state relay (19), the output end of the solid-state relay (19) respectively with oil-immersed pump (3) and
The input of blower fan group (20) is electrically connected with.
2. a kind of power transformer forced oil-circulated air-cooled system according to claim 1, it is characterised in that：The blower fan group
(20) including working fan (5) and standby fan.
3. a kind of power transformer forced oil-circulated air-cooled system according to claim 1, it is characterised in that：The communication mould
Block (17) can use wireless communication or wired network communication.
4. a kind of power transformer forced oil-circulated air-cooled system according to claim 1, it is characterised in that：The temperature is passed
Sensor (12) is provided with multiple, and temperature sensor (12) is separately positioned on transformer (1) top layer, winding and transformer (1) outward.
5. a kind of power transformer forced oil-circulated air-cooled system according to claim 1, it is characterised in that：The PLC controls
Device (16) model EM235 processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150076.8A CN106783036A (en) | 2016-12-14 | 2016-12-14 | A kind of power transformer forced oil-circulated air-cooled system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150076.8A CN106783036A (en) | 2016-12-14 | 2016-12-14 | A kind of power transformer forced oil-circulated air-cooled system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106783036A true CN106783036A (en) | 2017-05-31 |
Family
ID=58881141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611150076.8A Pending CN106783036A (en) | 2016-12-14 | 2016-12-14 | A kind of power transformer forced oil-circulated air-cooled system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487077A (en) * | 2020-04-28 | 2020-08-04 | 广东电网有限责任公司 | Cooling verification method and verification device for power transformer cooling equipment |
| CN115756027A (en) * | 2022-11-30 | 2023-03-07 | 广西电网有限责任公司电力科学研究院 | System for controlling temperature of oil surface of transformer and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030058076A1 (en) * | 2001-09-21 | 2003-03-27 | Thomas J. Lanoue | DC voltage/current heating/gelling/curing of resin encapsulated distribution transformer coils |
| CN202331113U (en) * | 2011-12-03 | 2012-07-11 | 国网公司运行分公司晋东南管理处 | Online monitoring system for air-cooling device of transformer |
| CN103677008A (en) * | 2013-12-03 | 2014-03-26 | 柳州市五环水暖器材经营部 | Oil circulation air-cooling control system of transformer of submerged arc furnace |
| CN204287923U (en) * | 2014-11-11 | 2015-04-22 | 贵阳供电局 | A kind of transformer cooling system integrated intelligent control device based on IEC61850 standard |
| CN204464001U (en) * | 2015-03-10 | 2015-07-08 | 武汉寒霜科技有限公司 | The non-maintaining intelligent moisture absorber of a kind of transformer |
-
2016
- 2016-12-14 CN CN201611150076.8A patent/CN106783036A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030058076A1 (en) * | 2001-09-21 | 2003-03-27 | Thomas J. Lanoue | DC voltage/current heating/gelling/curing of resin encapsulated distribution transformer coils |
| CN202331113U (en) * | 2011-12-03 | 2012-07-11 | 国网公司运行分公司晋东南管理处 | Online monitoring system for air-cooling device of transformer |
| CN103677008A (en) * | 2013-12-03 | 2014-03-26 | 柳州市五环水暖器材经营部 | Oil circulation air-cooling control system of transformer of submerged arc furnace |
| CN204287923U (en) * | 2014-11-11 | 2015-04-22 | 贵阳供电局 | A kind of transformer cooling system integrated intelligent control device based on IEC61850 standard |
| CN204464001U (en) * | 2015-03-10 | 2015-07-08 | 武汉寒霜科技有限公司 | The non-maintaining intelligent moisture absorber of a kind of transformer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487077A (en) * | 2020-04-28 | 2020-08-04 | 广东电网有限责任公司 | Cooling verification method and verification device for power transformer cooling equipment |
| CN111487077B (en) * | 2020-04-28 | 2021-11-02 | 广东电网有限责任公司 | Cooling verification method and verification device for power transformer cooling equipment |
| CN115756027A (en) * | 2022-11-30 | 2023-03-07 | 广西电网有限责任公司电力科学研究院 | System for controlling temperature of oil surface of transformer and using method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |