CN106405290A - Combustion test apparatus for oil-immersed power transformers - Google Patents
Combustion test apparatus for oil-immersed power transformers Download PDFInfo
- Publication number
- CN106405290A CN106405290A CN201610814961.5A CN201610814961A CN106405290A CN 106405290 A CN106405290 A CN 106405290A CN 201610814961 A CN201610814961 A CN 201610814961A CN 106405290 A CN106405290 A CN 106405290A
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- Prior art keywords
- oil
- transformer
- combustion test
- transformator
- combustion
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
Abstract
The invention discloses a combustion test apparatus for oil-immersed power transformers. The combustion test apparatus comprises a combustion test stand unit, for combusting an oil-immersed power transformer, including an igniting disc for combusting a tested wood stack and a transformer support, a combustion test room unit including an oil collecting pool, a firewall and a transformer combustion test room, an oil-water separating pool arranged inside and outside the transformer combustion test room for separating oil and water, a square water ditch which is arranged outside the transformer combustion test room, communicates with the oil-water separating pool to store water generated from oil and water separation during a fire extinguishing process, and a fire extinguishing protection unit including a water spraying fire extinguishing apparatus for extinguishing fire. The apparatus further comprises a state quantity monitoring unit for monitoring the temperature, heat radiation and pressure index during an oil-immersed transformer combustion process, a power supply unit for supplying power to the oil-immersed transformer, and a camera monitoring holder.
Description
Technical field
The present invention relates to combustion test field, and more particularly, to a kind of oil-immersed power transformer combustion test
Device.
Background technology
The all of transformator of current electric grid and industrial and mining establishment is mostly oil-immersed power transformer, relatively dry type transformation
For device, full of insulating oil inside oil-immersed power transformer, the risk there is blast, catching fire, can be to surrounding devices, building
And personnel produce harm, cause to have a power failure and heavy economic lossess.
The mineral insulation oil flash point that currently used oil-immersed power transformer is adopted is at 140 DEG C about, inflammable and explosive；
The esters insulating oil flash point such as natural esters and synthetic ester more than 250 DEG C, especially natural esters insulating oil flash point more than 300 DEG C,
Belong to fire resistant oil.Can be applied to prevent fires using the oil-immersed power transformer of the fire retardant insulating oils such as natural esters (plant) insulating oil
The high place of performance requirement, dry type transformer application can be substituted in indoor etc., need to various oil-immersed power transformers
Fire protecting performance carries out combustion test checking.
At present, only for the corrosion chamber of dry-type transformer, it is not applied to the combustion of oil-immersed power transformer
Burn assay device.It is an object of the invention to provide a kind of oil-immersed power transformer corrosion chamber, for simulating oil immersed type
Power transformer suffers from external fire operating mode, and examination oil-filled transformer suffers from the fire protecting performance in the case of external fire.
Content of the invention
In order to solve the above problems, according to an aspect of the invention, it is provided a kind of burning of oil-immersed power transformer
Assay device, described device includes：
Combustion test stand unit, ignite disk, the grillage for combustion test and transformer bracket including lighting a fire, described combustion
Burn test-bed unit and be used for the oil-filled transformer that burns；
Unit between combustion test, including oil sump, fire wall and transformator combustion test room；
Oil-water separation tank, is arranged on the inside and outside, for oil-water separation of transformator burning examination room；
Square ditch, is arranged on the outside in transformator combustion test room, and described square ditch is connected with oil-water separation tank
Logical, for storing the water of water produced by fire extinguishing procedure and oil-water separation generation；And
Flame failure protection unit, including water spray extinguishing equipment, for putting out a fire.
Preferably, the wherein said igniting disk that ignites is positioned over ground, for the grillage igniting for combustion test, described wood
Buttress is positioned over igniting and ignites on disk and be integrally placed at below transformer bracket, and transformer bracket is used for supporting oil-filled transformer,
Described oil-filled transformer is positioned over above transformer bracket.
Preferably, between the combustion test of wherein said transformator unit by interior be oil sump, fire wall, transformation outward successively
Device combustion test room.
Preferably, wherein said oil sump is in transformator combustion test room, and described combustion test stand unit
It is placed in oil sump, for carrying out oil-collecting when oil-filled transformer occurs rupture.
Preferably, wherein said transformator combustion test room three side sealing closes, and recording quantity opens as watch window, top surface
Open, described transformator combustion test room is built into by refractory brick, for the protection to oil-filled transformer combustion test.
Preferably, wherein said water spray extinguishing equipment is located at the top of oil-filled transformer；Described flame failure protection unit
Also include four foam fire-fighting equipments, respectively at four corners in transformator combustion test room and have preset height apart from ground
Position.
Preferably, wherein said device also includes quantity of state monitoring means, and described quantity of state monitoring means include multiple K-types
Thermocouple, pressure transducer, heat flow transducer, for monitoring the temperature in oil-filled transformer combustion process, heat radiation and pressure
Power index.
Preferably, wherein said K-type thermocouple is separately mounted to the inside of oil tank for oil immersion type transformer, outside and oil immersed type
Around oil tank of transformer；Wherein said pressure transducer is placed in oil tank for oil immersion type transformer lid；Described heat flow transducer is put
Front and top of oil-tank in oil-filled transformer.
Preferably, wherein said device also includes power subsystem, and described power subsystem includes low pressure and high pressure two parts, uses
In providing power supply to oil-filled transformer, simulate powered operating condition.
Preferably, wherein said device also includes monitoring camera-shooting head, for carrying out remote monitoring to combustion experiment process.
The beneficial effects of the present invention is：
1. independent claims are corresponding has the beneficial effect that this assay device can truly simulate oil-immersed power transformer
Suffer from the operating condition of external fire, security performance is high, easy to operate, has filled up domestic blank.
2. dependent claims are corresponding has the beneficial effect that the present invention can be used for oil-filled transformer combustion test, simulation oil
When immersion transformator suffers from external fire, in the case of oil-immersed power transformer charging operation, measurement oil-immersed type power becomes
Depressor internal temperature, pressure and the distribution of transformator external temperature, heat radiation situation, observe oil-immersed type power by camera cradle head
Transformator combustion test situation, thus check fire protecting performance in the case of suffering from external fire for the oil-immersed power transformer.
Brief description
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by：
Fig. 1 shows the structural representation of the oil-filled transformer corrosion chamber 100 according to embodiment of the present invention；
Fig. 2 shows that the grillage of the oil-filled transformer corrosion chamber according to embodiment of the present invention is placed and illustrates
Figure；
Fig. 3 shows the transformator combustion test room of the oil-filled transformer corrosion chamber according to invention embodiment
Between structural representation；
Fig. 4 shows that the transformator inside and outside of the oil-filled transformer corrosion chamber according to embodiment of the present invention passes
The layout drawing of sensor.
Specific embodiment
With reference now to accompanying drawing, introduce the illustrative embodiments of the present invention, however, the present invention can be with many different shapes
Formula is implementing, and is not limited to embodiment described herein, provides these embodiments to be at large and fully disclose
The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.For showing of being illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise stated, term (inclusion scientific and technical terminology) used herein has to person of ordinary skill in the field
Common understand implication.Further it will be understood that the term being limited with the dictionary that is usually used is it should be understood to and it
The linguistic context of association area has consistent implication, and is not construed as Utopian or excessively formal meaning.
Fig. 1 shows the structural representation of the oil-filled transformer corrosion chamber 100 according to embodiment of the present invention.
As shown in figure 1, described oil-filled transformer corrosion chamber 100 includes：Between combustion test stand unit 101, combustion test
Unit 102, oil-water separation tank 103, square ditch 104 and flame failure protection unit 105.Combustion test stand unit 101 is included a little
Fire ignites disk, the grillage of combustion test and transformer bracket, and described combustion test stand unit is used for the oil-filled transformer that burns.
Preferably, the wherein said igniting disk that ignites is positioned over ground, and for the grillage igniting for combustion test, described grillage is positioned over
Igniting is ignited on disk and is integrally placed at below transformer bracket, and transformer bracket is used for supporting oil-filled transformer, described oil immersion
Formula transformator is positioned over above transformer bracket.Fig. 2 shows the oil-filled transformer burning examination according to embodiment of the present invention
The grillage of experiment device places schematic diagram.As shown in Fig. 21 is oil sump, 2 is test oil-filled transformer, and 3 is standard grillage.Example
As first, the suitable grillage of size Selection according to standard grillage 1 and igniting are ignited disk, place ethanol or gasoline in the disk that ignites
Deng；Then the size of the grillage of the size according to test oil-filled transformer 2 and combustion test, arrangement mode setting transformator prop up
Frame, supports empty for test oil immersed type transformer yoke；Finally symmetrically place 4 heap normal wood in test oil-filled transformer bottom
Buttress 1, wherein standard grillage 1 are made up of 72 Pinus koraiensis wood battens, and batten length is 500mm, and batten section is square, square
The length of side is 39mm ± 1mm.72 battens are lined up 12 layers, 6 every layer.Horizontally-arranged according to one layer, one layer of vertical setting of types, it is staggered, nail
Become square.
Preferably, between combustion test, unit 102 includes oil sump, fire wall and transformator combustion test room.Preferably,
Between the combustion test of wherein said transformator unit 102 by interior be oil sump, fire wall, transformator combustion test room outward successively
Between.Fig. 3 shows the transformator combustion test room of the oil-filled transformer corrosion chamber according to invention embodiment
Structural representation.As shown in figure 3,4 is horizontal plane, 5 is transformator combustion test room, and 6 is transformer bracket, and 7 is fire wall,
8 is square ditch, and 9 is oil-water separation tank.Wherein said oil sump 1 is in transformator combustion test room 5, and described test
Oil-filled transformer 2 is placed on the centre of oil sump 1, tight for carrying out when described test oil-filled transformer 2 occurs rupture
Anxious oil-collecting, and the surrounding of oil sump 1 and bottom laying refractory brick.The volume of oil sump 1 should be according to test oil-filled transformer 2
The size to arrange oil sump 1 for more than 2 times of the volume of middle insulating oil.Preferably, wherein said fire wall 7 is located at oil sump 1
Periphery, the center of described fire wall 7 and the center of oil sump 1 are in same point, and each edge of fire wall 7 and oil sump 1
Each edge parallel.For example, fire wall internal area is 2.8m × 2.5m, and refractory brick is above the ground level 0.3m.Preferably, wherein institute
State transformator combustion test room 5 three side sealing to close, recording quantity is as watch window, opened top, described transformator burning examination
Test room 5 to be built into by refractory brick, for the protection to oil-filled transformer combustion test.For example, room-sized could be arranged to
6m × 5m × 3m size.
Preferably, oil-water separation tank 103 is arranged on the inside and outside, for oil-water separation of transformator burning examination room.
Preferably, square ditch 104 is arranged on the outside in transformator combustion test room, and described square ditch and profit divide
It is connected from pond, for storing the water of water produced by fire extinguishing procedure and oil-water separation generation.Preferably, wherein said square water
Ditch 8 is connected with oil-water separation tank 9.Square ditch 8 can be arranged on the outside of transformator combustion test room 1m, square ditch
8 outward flange is 7m × 6m, ditch size 1m × 0.5m.
Preferably, flame failure protection unit 105 includes water spray extinguishing equipment, for putting out a fire.Preferably, wherein said water spray
Mist fire-extinguishing apparatus are located at the top of oil-filled transformer depressor；Described flame failure protection unit also includes four foam fire-fighting equipments,
Have the position of certain altitude respectively at four corners in transformator combustion test room and apart from ground.For example, four foams go out
Fiery equipment can be placed in four corners in transformator combustion test room and apart from the high position of ground 2.5m.
Preferably, described device also includes quantity of state monitoring means, and described quantity of state monitoring means include multiple K-type thermoelectricity
Idol, pressure transducer, heat flow transducer, refer to for monitoring the temperature in oil-filled transformer combustion process, heat radiation and pressure
Mark.Preferably, wherein said K-type thermocouple is separately mounted to the inside of oil tank for oil immersion type transformer, outside and oil immersed type transformation
Around device fuel tank；Wherein said pressure transducer is placed in oil tank for oil immersion type transformer lid；Described heat flow transducer is placed on oil
The front of immersion transformator and top of oil-tank.For example, in oil tank for oil immersion type transformer lid pre-buried CY200-ZT high accuracy number pressure
Force transducer is monitored to described oil-filled transformer internal pressure situation of change；In described oil-filled transformer dead ahead 1
3 TS-34C type heat flow transducers that rice, 2 meters and 0.5 meter of top of oil-tank are respectively arranged, thermal exposure in monitoring combustion process；
Transformation in 1 meter of described oil-filled transformer dead ahead, 2 meters, the linear thermocouple measurement combustion process of 3 meters of each 3 K-types of arrangement
Device environment temperature distribution gradient situation of change；Outside described transformator combustion test room, from tested transformator horizontal range 8
Rice, high 4 meters of position setting monitoring camera-shooting head, carry out remote monitoring to combustion test process.Fig. 4 shows according to the present invention
The layout drawing of the transformator inside and outside sensor of the oil-filled transformer corrosion chamber of embodiment.As shown in figure 4, thermoelectricity
Even 10 are used for monitoring oil surface temperature, and thermocouple 11 is used for monitoring winding upper temp, and thermocouple 12 is used for monitoring middle part oil temperature, heat
Galvanic couple 13 is used for monitoring winding middle portion temperature, and thermocouple 14 is used for monitoring winding temperature of lower, and thermocouple 15 is used for monitoring fuel tank
Bottom temp, thermocouple 16 is used for monitoring temperature unshakable in one's determination, and thermocouple 17 is used for monitoring the temperature of radiator upper end, and thermocouple 18 is used
In the temperature of monitoring radiator lower end, thermocouple 19 is used for monitoring the temperature outside fuel tank, and pressure transducer 20 is used for monitoring oil
Pressure within case.
Preferably, described device also includes power subsystem, and described power subsystem includes low pressure and high pressure two parts, for giving
Test transformer provides power supply, simulates powered operating condition.380V power supply can be set, for described oil immersion-type distribution transformer
Low-pressure side press band combustion test；Setting 10kV power supply, burns for described oil-filled transformer high-pressure side press band and tries
Test it is also possible to the power supply arranging 10kV is used for described oil-filled transformer low-pressure side press band combustion test.
Preferably, described device also includes monitoring camera-shooting head, for carrying out remote monitoring to combustion experiment process.
The present invention is described by reference to a small amount of embodiment.However, known in those skilled in the art, as
Subsidiary Patent right requirement is limited, except present invention others disclosed above embodiment equally falls the present invention's
In the range of.
Normally, all terms using in the claims are all solved in the usual implication of technical field according to them
Release, unless in addition clearly defined wherein.All of reference "/described/be somebody's turn to do [device, assembly etc.] " is all opened ground
It is construed at least one of described device, assembly etc. example, unless otherwise expressly specified.Any method disclosed herein
Step all need not be run with disclosed accurate order, unless explicitly stated otherwise.
Claims (10)
1. a kind of oil-immersed power transformer corrosion chamber is it is characterised in that described device includes：
Combustion test stand unit, ignite disk, the grillage for combustion test and transformer bracket including lighting a fire, described burning examination
Test stage unit and be used for the oil-filled transformer that burns；
Unit between combustion test, including oil sump, fire wall and transformator combustion test room；
Oil-water separation tank, is arranged on the inside and outside, for oil-water separation of transformator burning examination room；
Square ditch, is arranged on the outside in transformator combustion test room, and described square ditch is connected with oil-water separation tank, uses
The water producing in water produced by storage fire extinguishing procedure and oil-water separation；And
Flame failure protection unit, including water spray extinguishing equipment, for putting out a fire.
2. device according to claim 1, the wherein said igniting disk that ignites is positioned over ground, is used for igniting for burning examination
The grillage tested, described grillage is positioned over igniting and ignites on disk and be integrally placed at below transformer bracket, and transformer bracket is used for
Support oil-filled transformer, described oil-filled transformer is positioned over above transformer bracket.
3. device according to claim 1, between the combustion test of wherein said transformator unit by interior outward successively be collection
Oil sump, fire wall, transformator combustion test room.
4. device according to claim 1, wherein said oil sump is in transformator combustion test room, and described combustion
Burn test-bed unit to be placed in oil sump, for carrying out oil-collecting when oil-filled transformer occurs rupture.
5. device according to claim 1, wherein said transformator combustion test room three side sealing closes, recording quantity conduct
Watch window, opened top, described transformator combustion test room is built into by refractory brick, for examination that oil-filled transformer is burnt
The protection tested.
6. device according to claim 1, wherein said water spray extinguishing equipment is located at the top of oil-filled transformer；Institute
State flame failure protection unit and also include four foam fire-fighting equipments, respectively at four corners and the distance in transformator combustion test room
There is the position of preset height on ground.
7. device according to claim 1, wherein said device also includes quantity of state monitoring means, described quantity of state monitoring
Unit includes multiple K-type thermocouples, pressure transducer, heat flow transducer, for monitoring in oil-filled transformer combustion process
Temperature, heat radiation and pressure index.
8. device according to claim 7, wherein said K-type thermocouple is separately mounted to the interior of oil tank for oil immersion type transformer
Around portion, outside and oil tank for oil immersion type transformer；Wherein said pressure transducer is placed in oil tank for oil immersion type transformer lid；Institute
State front and the top of oil-tank that heat flow transducer is placed on oil-filled transformer.
9. the device according to claim 1 or 7, wherein said device also includes power subsystem, and described power subsystem includes
Low pressure and high pressure two parts, for providing power supply to oil-filled transformer, simulate powered operating condition.
10. device according to claim 9, wherein said device also includes monitoring camera-shooting head, for combustion experiment
Process carries out remote monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814961.5A CN106405290A (en) | 2016-09-09 | 2016-09-09 | Combustion test apparatus for oil-immersed power transformers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814961.5A CN106405290A (en) | 2016-09-09 | 2016-09-09 | Combustion test apparatus for oil-immersed power transformers |
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| CN106405290A true CN106405290A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814961.5A Pending CN106405290A (en) | 2016-09-09 | 2016-09-09 | Combustion test apparatus for oil-immersed power transformers |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765328A (en) * | 2019-01-15 | 2019-05-17 | 国网湖南省电力有限公司 | The analogue test platform and simulation experiment method of transformer fire sprawling behavior |
| CN110926840A (en) * | 2019-11-19 | 2020-03-27 | 国网江苏省电力有限公司 | Method capable of checking fire extinguishing effectiveness of oil-immersed transformer fire extinguishing system |
| CN111122195A (en) * | 2019-12-25 | 2020-05-08 | 应急管理部天津消防研究所 | Experimental platform and experimental method for simulating fire of extra-high voltage converter transformer |
| CN112121350A (en) * | 2020-08-12 | 2020-12-25 | 国网湖南省电力有限公司 | Environment-friendly transformer multi-fire-type simulation system |
| CN112451874A (en) * | 2020-11-09 | 2021-03-09 | 广东电网有限责任公司广州供电局 | Safety protection device for oil-immersed transformer fire resistance test |
| CN112485295A (en) * | 2020-11-09 | 2021-03-12 | 广东电网有限责任公司广州供电局 | Integrated test platform for fire resistance of external heat source of oil-immersed transformer |
| CN113702874A (en) * | 2021-07-28 | 2021-11-26 | 广东电网有限责任公司广州供电局 | Water bath type liquid level stabilizing pool fire burner used as external fire source of transformer |
| CN112327105B (en) * | 2019-08-05 | 2023-08-29 | 苏州电器科学研究院股份有限公司 | Fireproof and explosion-proof test system and fire extinguishing method for extra-high voltage converter transformer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765328A (en) * | 2019-01-15 | 2019-05-17 | 国网湖南省电力有限公司 | The analogue test platform and simulation experiment method of transformer fire sprawling behavior |
| CN112327105B (en) * | 2019-08-05 | 2023-08-29 | 苏州电器科学研究院股份有限公司 | Fireproof and explosion-proof test system and fire extinguishing method for extra-high voltage converter transformer |
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| CN111122195B (en) * | 2019-12-25 | 2021-08-13 | 应急管理部天津消防研究所 | Experimental platform and experimental method for simulating fire of extra-high voltage converter transformer |
| CN112121350A (en) * | 2020-08-12 | 2020-12-25 | 国网湖南省电力有限公司 | Environment-friendly transformer multi-fire-type simulation system |
| CN112451874A (en) * | 2020-11-09 | 2021-03-09 | 广东电网有限责任公司广州供电局 | Safety protection device for oil-immersed transformer fire resistance test |
| CN112485295A (en) * | 2020-11-09 | 2021-03-12 | 广东电网有限责任公司广州供电局 | Integrated test platform for fire resistance of external heat source of oil-immersed transformer |
| CN112451874B (en) * | 2020-11-09 | 2022-02-01 | 广东电网有限责任公司广州供电局 | Safety protection device for oil-immersed transformer fire resistance test |
| CN113702874A (en) * | 2021-07-28 | 2021-11-26 | 广东电网有限责任公司广州供电局 | Water bath type liquid level stabilizing pool fire burner used as external fire source of transformer |
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Application publication date: 20170215 |