CN107424750A - A kind of power transformer circulating cooling system - Google Patents
A kind of power transformer circulating cooling system Download PDFInfo
- Publication number
- CN107424750A CN107424750A CN201710703620.5A CN201710703620A CN107424750A CN 107424750 A CN107424750 A CN 107424750A CN 201710703620 A CN201710703620 A CN 201710703620A CN 107424750 A CN107424750 A CN 107424750A
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- CN
- China
- Prior art keywords
- transformer
- electrically connected
- input
- output end
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 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
- 230000005611 electricity Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 5
- 238000011217 control strategy Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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
- H01F27/40—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
- H01F27/40—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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a kind of power transformer forced oil-circulated air-cooled system, including transformer and the temperature sensor for being arranged at the transformer, the transformer is connected with the air cooling equipment of transformer by oil pipe, the working fan being fixedly mounted on the air cooling equipment is electrically connected with controller by transmission cable, alarm lamp is installed with the top of the controller, the output end of the temperature sensor and the input of data acquisition module are electrically connected with, 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 oil-immersed pump and the input of blower fan group respectively.The present invention uses the programmable controller of intelligence as core, realize 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 equipment is improved, and reduces the input of cost, adapts 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 circulating cooling 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 annual 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, cause the waste of electric energy, intelligence degree is not high, and switching is uneven
Weighing apparatus, in order to improve large-scale power transformer reliability of operation, production efficiency is improved, 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, is realized and is saved the energy,
Adapt to the demand for development of modern intelligent grid.
Therefore it provides it is art technology that a kind of circulating cooling solution of power transformer, which overcomes above-mentioned technical problem,
Personnel's technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, technical problem solved by the invention is to provide a kind of power transformer circulating cooling system, with
Solve the problems, such as to propose in above-mentioned background technology, possessed beneficial effect is：With use intelligence programmable controller for
Core, effective control to transformer cooling system is realized, and combine advanced control strategy, effectively saved the energy, together
When avoid cooling device from being damaged because of overwork, improve the service life of equipment, and reduce the input of cost, adapt to modern
The demand for development of intelligent grid.
To realize above-mentioned technical problem, the present invention provides following technical scheme：A kind of power transformer circulating cooling system,
Including transformer and and be arranged at the temperature sensor of the transformer, the air cooling equipment of the transformer and transformer passes through oil
Pipe is connected, and oil-immersed pump is provided with oil pipe, and the working fan being fixedly mounted on the air cooling equipment passes through transmission with controller
Cable is electrically connected with, and the display screen installed on the controller is arranged on the loudspeaker of left-right situs and the top of Cao Zuoanjian,
And loudspeaker and Cao Zuoanjian are respectively mounted on the controller, alarm lamp is installed with the top of the controller, the temperature passes
The output end of sensor and the input of data acquisition module are electrically connected with, and output end and the A/D of the data acquisition module are changed
The input of module is electrically connected with, and the output end of the A/D modular converters and the input of programmable controller are electrically connected with, institute
State input of the output end of Cao Zuoanjian and power supply module respectively with programmable controller to be electrically connected with, the PLC technology
Communication module and the terminal computer that device is electrically connected with are electrically connected with, the output end of the programmable controller respectively with alarm
Lamp, display screen, the input of loudspeaker and solid-state relay are electrically connected with, the output end of the solid-state relay respectively with latent oil
Pump and the input of blower fan group are electrically connected with.
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 programmable controller model EM235.
Compared to prior art, the solution of the present invention comprises at least following beneficial effect：
The equipment uses the programmable controller of intelligence to realize effective control to transformer cooling system for core, and
With reference to advanced control strategy, the energy has effectively been saved, while has avoided cooling device from being damaged because of overwork, raising is set
Standby service life, and the input of cost is reduced, the demand for development of modern intelligent grid is adapted to, multiple temperature sensors are set
Meter, can monitor transformer top-oil temperature, winding temperature and environment temperature in real time, transformer is directed to so as to be advantageous to staff
Temperature during work takes rationally effective cooling control, not only realizes and transformer inner fluid is cooled, while effectively
Economize on resources, while the design of communication module coordinates alarm lamp to enable a device in real time calculate working data transport to terminal
Machine, while the loss of economic asset so as to reduce fault time, can be reduced with instant alarming when device fails.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the accompanying drawing of embodiment will be simply situated between below
Continue.
Fig. 1 is the structural representation of power transformer circulating cooling system of the present invention.
Fig. 2 is the system block diagram of power transformer circulating cooling system of the present 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- Cao Zuoanjians；12- temperature sensors；13- data acquisition modules；14-
A/D modular converters；15- power supply modules；16- programmable controllers；17- communication modules；18- terminal computers；19- solid-state relays
Device；20- blower fan groups.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, Fig. 1 and Fig. 2 are referred to, a kind of embodiment provided by the invention：A kind of strong oil of power transformer follows
Ring air cooling system, including transformer 1 and temperature sensor 12, transformer 1 and air cooling equipment 4 are connected by oil pipe 2, and oil pipe 2
On be provided with oil-immersed pump 3, the working fan 5 being fixedly mounted on air cooling equipment 4 is electrically connected with controller 7 by transmission cable 6,
The display screen 9 installed on controller 7 is arranged on the loudspeaker 10 of left-right situs and the top of Cao Zuoanjian 11, and the He of loudspeaker 10
Cao Zuoanjian 11 is installed on controller 7, and the top of controller 7 is installed with alarm lamp 8, the output end of temperature sensor 12
It is electrically connected with the input of data acquisition module 13, the output end of data acquisition module 13 and the input of A/D modular converters 14
End is electrically connected with, and the output end of A/D modular converters 14 is electrically connected with the input of programmable controller 16, the He of Cao Zuoanjian 11
The output end of power supply module 15 is electrically connected with the input of programmable controller 16 respectively, and programmable controller 16 is electrically connected with
Communication module 17 be electrically connected with terminal computer 18, the output end of programmable controller 16 respectively with alarm lamp 8, display screen
9th, the input of loudspeaker 10 and solid-state relay 19 is electrically connected with, the output end of solid-state relay 19 respectively with oil-immersed pump 3 and
The input of blower fan group 20 is electrically connected with, and blower fan group 20 includes working fan 5 and standby fan, and communication module 17 can use nothing
Line network service or wired network communication, temperature sensor 12 are provided with multiple, and temperature sensor 12 is separately positioned on transformation
Outside the top layer of device 1, winding and transformer 1, the model EM235 of programmable controller 16.
It should be noted that the operation principle of the power transformer circulating cooling system of the present invention：In use, starting device,
Transformer 1 can produce heat when working, and transformer oil it is good ratio it is hot can absorb heat, consequently, it is possible to be located at transformer 1
12 real-time monitoring temperature of temperature sensor outside top layer, winding and transformer 1 simultaneously transfers data to data acquisition module 13, with
Changed by A/D modular converters 14, then solid-state relay 19 is signaled to after the analyzing and processing of programmable controller 16, and
Working fan 5 in control oil-immersed pump 3 and blower fan group 20 works, and so as to be cooled down to transformer oil, may be programmed simultaneously
Detection data can be transferred to terminal computer 18 by controller 16 by communication module 17, so that staff carries out analysis note
Record, when device fails, loudspeaker 10 and alarm lamp 8 in equipment send audio alert and light warning immediately, so as to
Prompting staff's on-call maintenance is got rid of the danger, and reduces property loss.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (4)
1. a kind of power transformer circulating cooling system, including transformer and the temperature sensor for being arranged at the transformer, its
It is characterised by：The transformer is connected with the air cooling equipment of transformer by oil pipe, and oil-immersed pump is provided with oil pipe, the wind
The working fan being fixedly mounted on device for cooling is electrically connected with controller by transmission cable, the display installed on the controller
Screen is arranged on the loudspeaker of left-right situs and the top of Cao Zuoanjian, and loudspeaker and Cao Zuoanjian are respectively mounted on the controller,
Alarm lamp, the output end of the temperature sensor and the input electricity of data acquisition module are installed with the top of the controller
Property connection, the output end of the data acquisition module and the input of A/D modular converters be electrically connected with, the A/D modular converters
Output end and the input of programmable controller be electrically connected with, the output end of the Cao Zuoanjian and power supply module respectively with can
The input of programmable controller is electrically connected with, and the communication module and terminal computer that the programmable controller is electrically connected with are electrical
Connection, the output end of the programmable controller are electric with the input of alarm lamp, display screen, loudspeaker and solid-state relay respectively
Property connection, the output end of the solid-state relay is electrically connected with oil-immersed pump and the input of blower fan group respectively.
A kind of 2. power transformer circulating cooling system according to claim 1, it is characterised in that：The blower fan group includes
Working fan and standby fan.
A kind of 3. power transformer circulating cooling system according to claim 1, it is characterised in that：The communication module can
To use wireless communication or wired network communication.
A kind of 4. power transformer circulating cooling system according to claim 1, it is characterised in that：The temperature sensor
It is provided with multiple, and temperature sensor is separately positioned on outside transformer top layer, winding and transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703620.5A CN107424750A (en) | 2017-08-16 | 2017-08-16 | A kind of power transformer circulating cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703620.5A CN107424750A (en) | 2017-08-16 | 2017-08-16 | A kind of power transformer circulating cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107424750A true CN107424750A (en) | 2017-12-01 |
Family
ID=60438110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703620.5A Pending CN107424750A (en) | 2017-08-16 | 2017-08-16 | A kind of power transformer circulating cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107424750A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501939A (en) * | 2019-08-02 | 2019-11-26 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fault early warning system and its control method based on electric power Internet of Things |
-
2017
- 2017-08-16 CN CN201710703620.5A patent/CN107424750A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501939A (en) * | 2019-08-02 | 2019-11-26 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fault early warning system and its control method based on electric power Internet of Things |
| CN110501939B (en) * | 2019-08-02 | 2022-08-23 | 国网浙江省电力有限公司嘉兴供电公司 | Transformer fault early warning system based on power internet of things and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |
|
| WD01 | Invention patent application deemed withdrawn after publication |