CN106098317A - Charging dry air into transformer at negative pressure method and device thereof - Google Patents
Charging dry air into transformer at negative pressure method and device thereof Download PDFInfo
- Publication number
- CN106098317A CN106098317A CN201610543249.6A CN201610543249A CN106098317A CN 106098317 A CN106098317 A CN 106098317A CN 201610543249 A CN201610543249 A CN 201610543249A CN 106098317 A CN106098317 A CN 106098317A
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- CN
- China
- Prior art keywords
- drying machine
- negative pressure
- transformator
- pressure
- transformer
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- 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.)
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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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of charging dry air into transformer at negative pressure method, compressed air drying machine is dried, it is filled with negative pressure transformator, operating pressure index according to drying machine, automatically control drying machine supplies outflow, make the gas supply capacity balance of itself and air compressor machine, make drying machine work under rated pressure all the time, meet the needs of transformator negative pressure inflation simultaneously；The invention also discloses a kind of charging dry air into transformer at negative pressure device.The present invention by control drying machine operating pressure, convenient, ideally solve transformator negative pressure inflation time drying machine irregular working problem.The present invention is perfect gas charging system, on the premise of being not related to cut-off gas, can ensure that the pressure of drying machine maintains setting pressure working condition all the time and runs, and operating pressure can the most arbitrarily set, after once setting force value, system can be at fully automatic operation under variable working condition without artificial regulation.
Description
Technical field
The present invention relates to power transformer industry, especially charging dry air into transformer at negative pressure method and device thereof.
Background technology
Current depth drying air principle is malleation adsorption-type, i.e. drying machine and must run under malleation operating mode；And
Transformator gas filling technology requires to carry out under negative pressure operating mode.In actual inflation work, it is true that the negative pressure operating mode of transformator produces
Empty absorption affinity cause drying machine can not normally, the problem of even running, be embodied in: inflating starting stage, transformator
Interior vacuum adsorption force has exceeded the gas supply capacity of air compressor machine, causes drying machine at subnormal pressure even under negative pressure operating mode
Running, drying machine absorption work can not be normally carried out；To inflation stage casing, along with in transformator, pressure raises, it is to drying machine
Vacuum adsorption force decline, the operating pressure of drying machine is stepped up, and drying machine adsorption function progressively recovers；Inflation work end
Phase, the vac sorb in transformator reaches balance with the gas supply capacity of air compressor machine, and drying machine is run in normal conditions.
Summary of the invention
The technical problem to be solved is how to ensure drying machine in the case of ensureing the inflation of transformator negative pressure
Normal work.
For solving the problems referred to above, the invention provides a kind of charging dry air into transformer at negative pressure method, compressed air is through dry
Dry machine is dried, and negative pressure is filled with transformator, and according to the operating pressure index of drying machine, automatically control drying machine supplies outflow,
Make the gas supply capacity balance of itself and air compressor machine, make drying machine work under rated pressure all the time, meet transformator negative pressure simultaneously and fill
The needs of gas.
For solving the problems referred to above, present invention also offers a kind of charging dry air into transformer at negative pressure device, air compressor machine is got
Compressed air enter air accumulator, after being filtered enter drying machine be dried, then negative pressure is filled with transformator, at drying machine
And access automatic pressure maintaining device between transformator, for automatically controlling the confession outflow of drying machine so that it is with the supply of air compressor machine
Power balance, makes drying machine work under rated pressure all the time, meets the needs of transformator negative pressure inflation simultaneously.
The present invention by control drying machine operating pressure, convenient, ideally solve transformator negative pressure inflation time be dried
The problem of machine irregular working.Perfect gas charging system, on the premise of being not related to cut-off gas, it is ensured that the pressure of drying machine is all the time
Maintain setting pressure working condition to run, and operating pressure can the most arbitrarily set.After once setting force value,
System can be at fully automatic operation under variable working condition without artificial regulation.
Accompanying drawing explanation
Fig. 1 is the flow chart of charging dry air into transformer at negative pressure.
Detailed description of the invention
As shown in Fig. 1, the compressed air that air compressor machine is got enters air accumulator, enters drying machine and do after being filtered
Dry, after automatic pressure maintaining device carries out pressure regulation, then enter transformator.Automatic pressure maintaining device, by controlling programme-control, passes through
Drying machine operating pressure index, automatically control drying machine supplies outflow so that it is balances with the gas supply capacity of air compressor machine, makes to be dried
Machine works all the time under rated pressure, thus ensure that it normally works, and automatically eliminates the transformator inflation work initial stage simultaneously
Big flow attack problem.
The present invention by control drying machine operating pressure, convenient, ideally solve transformator negative pressure inflation time be dried
The problem of machine irregular working.Perfect gas charging system, on the premise of being not related to cut-off gas, it is ensured that the pressure of drying machine is all the time
Maintain setting pressure working condition to run, and operating pressure can the most arbitrarily set.After once setting force value,
System can be at fully automatic operation under variable working condition without artificial regulation.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention, without departing substantially from this
In the case of bright spirit and essence thereof, those of ordinary skill in the art are when making various corresponding change according to the present invention
And deformation, but these change accordingly and deform the protection domain that all should belong to appended claims of the invention.
Claims (2)
1. a charging dry air into transformer at negative pressure method, compressed air drying machine is dried, is filled with negative pressure transformator, and it is special
Levy and be: according to the operating pressure index of drying machine, automatically control drying machine supplies outflow so that it is with the supply of air compressor machine
Power balance, makes drying machine work under rated pressure all the time, meets the needs of transformator negative pressure inflation simultaneously.
2. a charging dry air into transformer at negative pressure device, the compressed air that air compressor machine is got enters air accumulator, through filter mistake
Entering drying machine after filter to be dried, then negative pressure is filled with transformator, it is characterised in that: access certainly between drying machine and transformator
Dynamic pressurizer, for automatically controlling the confession outflow of drying machine so that it is balance with the gas supply capacity of air compressor machine, make drying machine
All the time work under rated pressure, meet the needs of transformator negative pressure inflation simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543249.6A CN106098317A (en) | 2016-07-12 | 2016-07-12 | Charging dry air into transformer at negative pressure method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543249.6A CN106098317A (en) | 2016-07-12 | 2016-07-12 | Charging dry air into transformer at negative pressure method and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106098317A true CN106098317A (en) | 2016-11-09 |
Family
ID=57219709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610543249.6A Pending CN106098317A (en) | 2016-07-12 | 2016-07-12 | Charging dry air into transformer at negative pressure method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106098317A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621545A (en) * | 2004-12-24 | 2005-06-01 | 钢铁研究总院 | Device for controlling electric slag remelted atmosphere and method thereof |
| CN102136360A (en) * | 2010-01-27 | 2011-07-27 | 特变电工衡阳变压器有限公司 | Novel method and equipment for breaking vacuum of vapor phase drying chamber |
| CN102426906A (en) * | 2011-12-21 | 2012-04-25 | 山东电力设备有限公司 | Method and device for charging dry air into transformer at negative pressure |
| CN103822088A (en) * | 2014-03-06 | 2014-05-28 | 山东达驰电气有限公司 | Dry air filling system for transformer lifting base and dry air filling method |
-
2016
- 2016-07-12 CN CN201610543249.6A patent/CN106098317A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621545A (en) * | 2004-12-24 | 2005-06-01 | 钢铁研究总院 | Device for controlling electric slag remelted atmosphere and method thereof |
| CN102136360A (en) * | 2010-01-27 | 2011-07-27 | 特变电工衡阳变压器有限公司 | Novel method and equipment for breaking vacuum of vapor phase drying chamber |
| CN102426906A (en) * | 2011-12-21 | 2012-04-25 | 山东电力设备有限公司 | Method and device for charging dry air into transformer at negative pressure |
| CN103822088A (en) * | 2014-03-06 | 2014-05-28 | 山东达驰电气有限公司 | Dry air filling system for transformer lifting base and dry air filling method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
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| WD01 | Invention patent application deemed withdrawn after publication |