CN205229363U - Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct - Google Patents
Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct Download PDFInfo
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- CN205229363U CN205229363U CN201521112123.0U CN201521112123U CN205229363U CN 205229363 U CN205229363 U CN 205229363U CN 201521112123 U CN201521112123 U CN 201521112123U CN 205229363 U CN205229363 U CN 205229363U
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Abstract
The utility model relates to an adjustable oil immersed forced air cooled transform experimental apparatus of oil duct belongs to the hot research techniques field of power transformer magnetism. Technical scheme is: storing up oil tank and installing in the top of oil tank, the winding setting just is full of transformer oil in the inside of oil tank, and the fan is installed in gilled radiator's below, and the support mounting is in oil tank and gilled radiator's below, be equipped with horizontal oil duct (39) between winding wire cake (38), winding wire cake (38) inboard is equipped with interior screen (32), in constituting perpendicular oil duct (34), winding wire cake (38) outside is equipped with outer screen (33), constitutes outer perpendicular oil duct (35), be equipped with interior guide plate (36) on interior perpendicular oil duct (34), be equipped with on outer perpendicular oil duct (35) outer guide plate (37). The beneficial effects of the utility model are that: have with low costs, testable different work condition, simple structure makes things convenient for the comparative study of tentation data and digital computation value.
Description
Technical field
The utility model relates to the adjustable oil immersed forced air cooled transform experimental provision of a kind of oil duct, belongs to the hot studying technological domain of power transformer magnetic.
Background technology
Along with the increase day by day of power transformer capacity, corresponding loss is also larger, and transformer local problems of excessive heat, particularly coiling hotspot temperature rise have become unavoidable major issue.Transformer local overheating can accelerate the insulation ag(e)ing of transformer, to the safe operation of transformer with bring serious threat serviceable life.The existing empirical model for studying Transformer Winding Temperature Rise, the size of its vertical oil duct and horizontal oil duct is changeless, can not be used for Research on Oil road change in size to the impact of winding temperature rise.If make the empirical model of multiple different oil duct size, its research cost is higher.
Utility model content
The utility model object is to provide the adjustable oil immersed forced air cooled transform experimental provision of a kind of oil duct, and the size of its vertical oil duct and horizontal oil duct can change, can Research on Oil road change in size on the impact of winding temperature rise; Have cost low, can test different operating mode, structure is simple, facilitates the comparative study of test figure and numerical computation, efficiently solves the problems referred to above existed in background technology.
The technical solution of the utility model is: the adjustable oil immersed forced air cooled transform experimental provision of a kind of oil duct, comprise oil conservater, fuel tank, winding, transformer oil, union, flowmeter, pressure test hole, gilled radiator, blower fan and support, described oil conservater is arranged on the top of fuel tank, winding is arranged on the inside of fuel tank and is full of transformer oil, winding, union, gilled radiator connect successively, flowmeter, pressure test hole are arranged in union, assembling is in the below of gilled radiator, and support installing is in the below of fuel tank and gilled radiator; Described winding comprises upper end circle, lower end turn, interior screen, outer screen, interior vertical oil duct, outer vertical oil duct, interior kicker baffle, outer kicker baffle, winding wire cake and horizontal oil duct; Between upper end circle and lower end turn, multi-layer winding line cake is set, between winding wire cake, is provided with horizontal oil duct; Interior screen is provided with, vertical oil duct in forming inside winding wire cake; Be provided with outer screen outside winding wire cake, form outer vertical oil duct; Interior vertical oil duct is provided with interior kicker baffle, and outer vertical oil duct is provided with outer kicker baffle.
The position of interior kicker baffle and outer kicker baffle is adjustable.
By adjusting interior kicker baffle and outer kicker baffle, the size of interior vertical oil duct, outer vertical oil duct, horizontal oil duct can be adjusted, for studying different oil duct size to the impact of winding temperature rise.
The beneficial effects of the utility model are: the size of its vertical oil duct and horizontal oil duct can change, can Research on Oil road change in size on the impact of winding temperature rise; Have cost low, can test different operating mode, structure is simple, facilitates the comparative study of test figure and numerical computation.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is the structural drawing of the utility model winding;
In figure: oil conservater 1, fuel tank 2, winding 3, transformer oil 4, support 5, union 6, flowmeter 7, pressure test hole 8, gilled radiator 9, blower fan 10, upper end circle 30, lower end turn 31, interior screen 32, outer screen 33, interior vertical oil duct 34, outer vertical oil duct 35, interior kicker baffle 36, outer kicker baffle 37, winding wire cake 38, horizontal oil duct 39.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
The adjustable oil immersed forced air cooled transform experimental provision of a kind of oil duct, comprise oil conservater 1, fuel tank 2, winding 3, transformer oil 4, union 6, flowmeter 7, pressure test hole 8, gilled radiator 9, blower fan 10 and support 5, described oil conservater is arranged on the top of fuel tank, winding is arranged on the inside of fuel tank and is full of transformer oil, winding, union, gilled radiator connect successively, flowmeter, pressure test hole are arranged in union, assembling is in the below of gilled radiator, and support installing is in the below of fuel tank and gilled radiator; Described winding comprises upper end circle 30, lower end turn 31, interior screen 32, outer screen 33, interior vertical oil duct 34, outer vertical oil duct 35, interior kicker baffle 36, outer kicker baffle 37, winding wire cake 38 and horizontal oil duct 39; Between upper end circle 30 and lower end turn 31, multi-layer winding line cake 38 is set, between winding wire cake 38, is provided with horizontal oil duct 39; Interior screen 32 is provided with, vertical oil duct 34 in forming inside winding wire cake 38; Be provided with outer screen 33 outside winding wire cake 38, form outer vertical oil duct 35; Interior vertical oil duct 34 is provided with interior kicker baffle 36, and outer vertical oil duct 35 is provided with outer kicker baffle 37.
The position of interior kicker baffle 36 and outer kicker baffle 37 is adjustable.
By adjusting interior kicker baffle 36 and outer kicker baffle 37, the size of interior vertical oil duct, outer vertical oil duct, horizontal oil duct can be adjusted, for studying different oil duct size to the impact of winding temperature rise.
Oil-immersed pump 7, flowmeter 8 and pressure test hole 9 are arranged in union 6.Oil-immersed pump slips into completely in oil, is used for the flow velocity of the oil improved in transformer oil loop, overcomes the resistance of the oil increased after improving the flow velocity of oil, improves the heat-transfer capability of oily side.Flowmeter is used for the oily flow of metering transformer oil.Pressure test hole is for measuring oil pressure.
Blower fan 11 is arranged on the below of gilled radiator 10.Compared with natural convection air, by blower fan blow air flowing cooling radiator, the coefficient of heat emission of radiator air side increased and substantially increases the heat loss through convection ability of air side, deep fat being cooled very fast, improve the cooling effect to transformer oil.
In actual applications, the heat that winding 3 loss produces, make the temperature on winding surface higher than surrounding transformer oil 4 temperature, the heat of winding passes to the transformer oil of surrounding.The transformer oil 4 cooled through gilled radiator 10 enters fuel tank 2 from union 6 under the promotion of oil-immersed pump 7, bottom winding, enter winding 3 by oil pipe 5.Due to kicker baffle 36 and outer kicker baffle 37 in the existence of winding inside, make the oil stream of interior vertical oil duct, outer vertical oil duct, horizontal oil duct form flowing in a zigzag in winding inside, thus the oily stream cooled can flow through each winding wire cake 38.The oil stream of winding inside flows out winding from winding top, finally enters outside gilled radiator 10 from the union 6 of top of oil-tank.The deep fat of inflow radiator blower fan 11 blow lower heat loss in air, continue to enter fuel tank 2 from bottom union 6, circulate.
Claims (1)
1. the adjustable oil immersed forced air cooled transform experimental provision of oil duct, it is characterized in that: comprise oil conservater (1), fuel tank (2), winding (3), transformer oil (4), union (6), flowmeter (7), pressure test hole (8), gilled radiator (9), blower fan (10) and support (5), described oil conservater is arranged on the top of fuel tank, winding is arranged on the inside of fuel tank and is full of transformer oil, winding, union, gilled radiator connects successively, flowmeter, pressure test hole is arranged in union, assembling is in the below of gilled radiator, support installing is in the below of fuel tank and gilled radiator, described winding comprises upper end circle (30), lower end turn (31), interior screen (32), outer screen (33), interior vertical oil duct (34), outer vertical oil duct (35), interior kicker baffle (36), outer kicker baffle (37), winding wire cake (38) and horizontal oil duct (39), between upper end circle (30) and lower end turn (31), multi-layer winding line cake (38) is set, between winding wire cake (38), is provided with horizontal oil duct (39), winding wire cake (38) inner side is provided with interior screen (32), vertical oil duct (34) in forming, winding wire cake (38) outside is provided with outer screen (33), forms outer vertical oil duct (35), interior vertical oil duct (34) is provided with interior kicker baffle (36), and outer vertical oil duct (35) is provided with outer kicker baffle (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112123.0U CN205229363U (en) | 2015-12-29 | 2015-12-29 | Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112123.0U CN205229363U (en) | 2015-12-29 | 2015-12-29 | Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct |
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| Publication Number | Publication Date |
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| CN205229363U true CN205229363U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521112123.0U Active CN205229363U (en) | 2015-12-29 | 2015-12-29 | Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923977A (en) * | 2021-02-05 | 2021-06-08 | 中国矿业大学 | Device and method for observing dynamic behaviors of impurities with different particle sizes in oil passage of transformer |
| CN112986760A (en) * | 2021-02-05 | 2021-06-18 | 中国矿业大学 | Experimental device and method for testing correlation between transformer oil duct height and winding temperature |
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
-
2015
- 2015-12-29 CN CN201521112123.0U patent/CN205229363U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
| CN112923977A (en) * | 2021-02-05 | 2021-06-08 | 中国矿业大学 | Device and method for observing dynamic behaviors of impurities with different particle sizes in oil passage of transformer |
| CN112986760A (en) * | 2021-02-05 | 2021-06-18 | 中国矿业大学 | Experimental device and method for testing correlation between transformer oil duct height and winding temperature |
| CN112986760B (en) * | 2021-02-05 | 2022-03-01 | 中国矿业大学 | Experimental method for testing correlation between transformer oil duct height and winding temperature |
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| GR01 | Patent grant |