CN114724811B - Digital temperature control transformer substation based on overload early warning system - Google Patents
Digital temperature control transformer substation based on overload early warning system Download PDFInfo
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- CN114724811B CN114724811B CN202210274360.5A CN202210274360A CN114724811B CN 114724811 B CN114724811 B CN 114724811B CN 202210274360 A CN202210274360 A CN 202210274360A CN 114724811 B CN114724811 B CN 114724811B
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- 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
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- 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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- 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
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- 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
- H01F27/16—Water cooling
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- 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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention relates to the technical field of power transformation facilities, in particular to a digital temperature control transformer substation based on an overload early warning system, which comprises a transformer body and the overload early warning system thereof, wherein outer radiating fin parts are arranged on the front, the back, the left and the right of the transformer body, transformer cover plates are arranged on the top and the bottom of the transformer body, a base is arranged below the transformer cover plates on the bottom of the transformer body, the outer radiating fin parts comprise wing-shaped oil cooling radiating fins, an upper end plate and a lower end plate are respectively packaged on the top and the bottom of the outer radiating fin parts, and an outer sealing plate is packaged on the outer side of the outer radiating fin parts.
Description
Technical Field
The invention relates to the technical field of power transformation facilities, in particular to a digital temperature control transformer substation based on an overload early warning system.
Background
In the process of economic and social rapid development, the demand for electric power is larger and larger, especially in the technical field of urban power transformation and distribution, the power consumption load of urban production and life is continuously increased, the self capacity of a distribution transformer and the continuous change of the power consumption load influence the working efficiency of a transformer substation, and under the condition that the transformer of the transformer substation is overloaded for a long time, a power transformation and distribution device is aged at high speed, the operation capability is gradually deteriorated, faults are frequent, even large-area power failure accidents are caused, and serious economic losses are caused. Therefore, how to carry out overload cooling on a transformer becomes a hot problem which is concerned and studied for a long time in the technical field, the existing transformer generally carries out heat dissipation through an oil cooling fin, and when the heat dissipation capacity is large, insufficient heat dissipation can be generated, so that overload heat dissipation is carried out only by means of the existing simple threshold setting and manual experience judgment, and the heat dissipation is difficult to be carried out immediately, accurately and efficiently. In order to improve the operation capability of the power grid, particularly to meet the high-efficiency operation requirement of the power grid in a high-load period, a digital temperature control transformer substation with high-efficiency heat dissipation means and general universality based on an overload early warning system is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a digital temperature control transformer substation based on an overload early warning system aiming at the defects existing in the prior art.
The invention aims to solve the technical problems by adopting the following technical scheme, the invention discloses a digital temperature control transformer substation based on an overload early warning system, which comprises a transformer body and an overload early warning system thereof, wherein the front, the rear, the left and the right of the transformer body are respectively provided with an outer radiating fin part, the top and the bottom of the transformer body are respectively provided with a transformer cover plate, a base is arranged below the transformer cover plates at the bottom of the transformer body, the outer radiating fin parts comprise airfoil oil cooling radiating fins, the top and the bottom of the outer radiating fin parts are respectively packaged with an upper end plate and a lower end plate, the outer sides of the outer radiating fin parts are packaged with outer sealing plates, the air inlets of the outer radiating fin parts are provided with a bell mouth type combined double-channel air collecting hood, the double-channel air collecting hood comprises an outer guide plate and an inner guide plate, the outer guide plate and the inner guide plate are vertically arranged, the outer guide plate comprises two symmetrical plates, the transverse cross sections of the inner guide plate are Y-shaped, the air inlets of two adjacent outer fin parts of the transformer body share one air collecting hood, the middle part of the outer fin parts is provided with an airfoil oil cooling radiating fin, the top and the bottom of the outer fin parts are respectively packaged with an upper end plate and a lower end plate, the water mist circulating heat pipe is connected with the water mist circulating heat exchanger through the water mist circulating system, the water mist circulating heat pipe is connected with the water mist circulating system, the water mist circulating water vapor circulating system is connected with the water vapor circulating heat pipe, and the water vapor circulating system is connected with the water vapor circulating heat collecting end cover, and the water vapor circulating system is connected with the water vapor circulating system and the water vapor circulating system, the heat exchanger is used for cooling hot steam and providing circulating cold water for the circulating water mist air cannon system, the overload early warning system comprises a data acquisition control center, a water mist cooling intensity control module and a temperature feedback control module, the data acquisition control center comprises an overload early warning display module, and the temperature feedback control module comprises a real-time temperature display module.
Further, the outer radiating fin portion comprises two groups of wing-shaped oil-cooled radiating fins which are arranged in a bilateral symmetry mode, each group of wing-shaped oil-cooled radiating fins are distributed at intervals to form a side-by-side up-rotating ventilating duct, each wing-shaped oil-cooled radiating fin consists of a transverse inclined plate and a vertical inclined plate which are connected into a whole, and the vertical section of each wing-shaped oil-cooled radiating fin is bent at an obtuse angle.
Further, the horizontal inclined plates incline downwards from inside to outside, the horizontal inclined plates of each group of wing type oil cooling radiating fins are equally spaced and parallel to each other, bending points of the horizontal inclined plates and the vertical inclined plates of each group of wing type oil cooling radiating fins are all on the same straight line in the vertical section, and the upper ends of the vertical inclined plates of each group of wing type oil cooling radiating fins are all connected with the water vapor collecting end cover.
Further, the transverse inclined plate and the vertical inclined plate are all oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body and are fixedly connected, and the transverse inclined plate and the vertical inclined plate are all outwards extending bodies which face away from the transformer body horizontally.
Further, the upper end plate, the lower end plate, the outer sealing plate and the double-channel wind collecting cover are movably mounted on the outer side of the outer radiating fin portion through the detachable components, and the outer radiating fin portion forms a one-way air duct through the upper end plate, the lower end plate, the outer sealing plate and the outer side of the transformer body.
Further, the left front side, the right rear side and the left rear side of the transformer body are respectively provided with a circulating water mist air cannon system and a heat exchanger, and the left front side, the right rear side and the left rear side of the transformer body are sequentially provided with a first circulating cooling working unit, a second circulating cooling working unit, a third circulating cooling working unit and a fourth circulating cooling working unit.
Further, the outer radiating fin portion of transformer body front side is connected with first circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body left side is connected with fourth circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body rear side is connected with third circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body right side is connected with second circulation cooling work unit through steam heat pipe.
Further, the data acquisition control center is provided with an overload time period acquisition unit, a temperature continuous sampling unit and a current continuous sampling unit, the data acquisition control center is used for acquiring appointed time period information, temperature and current information under the drive of the computer control system and obtaining the overload amount through operation, the water mist cooling intensity control module can adjust the water mist cooling intensity according to the overload amount, and the temperature feedback control module is used for comparing and calculating real-time temperature data with the overload amount to obtain corresponding temperature control signals and feeding back to the water mist cooling intensity control module.
Further, the data acquisition control center is connected with a historical operation parameter calculation module, and the historical operation parameter calculation module is used for comparing and calculating the operation state parameter of the designated period with the normal state parameter of the historical period so as to obtain the overload amount for regulating and controlling the cooling intensity of the water mist.
Compared with the prior art, the invention has the following advantages: the invention realizes the forced cooling process under the action of an external circulating water mist air cannon system through the densely arranged bent wing-shaped oil-cooled radiating fins, thereby not only improving the radiating contact area of unit surface, but also improving the heat exchange speed of the wing-shaped oil-cooled radiating fins in a large air volume circulating mode; the outer sealing plate outside the outer radiating fin part can be detached according to the use environment, so that the complexity of the use environment is fully considered, the use cost under the general use scene is reduced, and the outer sealing plate has universal applicability; the mode of synchronous circulation heat dissipation of multiple units based on overload early warning system that this application adopted can strengthen intensive and the cyclic performance of equipment, reduces use cost to possess the efficiency of cooling in advance.
Drawings
Fig. 1 is a schematic diagram of the connection relationship between temperature control components on the outer side of a transformer body 1 according to the present invention;
fig. 2 is a schematic top view of the relative position layout of the first, second, third and fourth cooling working units a1, a2, a3 and a4 and the transformer body 1 of the present invention;
FIG. 3 is a schematic diagram of the temperature control principle of the overload early warning system of the present invention;
FIG. 4 is a schematic diagram of the time-current relationship of the overload process of the present invention;
1-a transformer body, 11-a transformer cover plate, 12-a base, 2-an outer radiating fin part, 21-an upper end plate, 22-a lower end plate, 23-an airfoil oil cooling radiating fin, 24-a double-channel wind collecting cover, 241-an outer guide plate, 25-an outer sealing plate, 3-a water vapor collecting end cover and 4-a water vapor heat return pipe, the system comprises a 5-heat exchanger, a 6-circulating water mist air cannon system, a 61-circulating connecting pipe, an a 1-first circulating cooling working unit, an a 2-second circulating cooling working unit, an a 3-third circulating cooling working unit and an a 4-fourth circulating cooling working unit.
Description of the embodiments
As shown in fig. 1-4, the digital temperature control transformer substation based on the overload early warning system disclosed by the invention comprises a transformer body 1 and an overload early warning system thereof, wherein the front, back, left and right of the transformer body 1 are respectively provided with an outer radiating fin part 2, the top and the bottom of the transformer body 1 are respectively provided with a transformer cover plate 11, the lower part of the transformer cover plate 11 at the bottom of the transformer body 1 is provided with a base 12, the outer radiating fin part 2 comprises wing-shaped oil cooling radiating fins 23, specifically, in order to achieve better oil cooling inner and outer composite circulating radiating effect, the outer radiating fin part 2 specifically comprises two wing-shaped oil cooling radiating fins 23 which are symmetrically distributed in a left-right mode, each wing-shaped oil cooling radiating fin 23 is distributed at intervals to form a parallel upper-turning ventilation duct, the wing-shaped oil cooling radiating fins 23 are composed of a transverse inclined plate and a vertical inclined plate which are connected into a whole, the vertical cross section of each wing-shaped oil cooling fin 23 is in an obtuse angle bending shape, the transverse inclined plates of each wing-shaped oil cooling fin 23 are inclined downwards from inside to outside, the inclined plates of each wing-shaped oil cooling fins 23 are spaced and are parallel to each other, and each wing-shaped oil cooling fin 23 is connected with the vertical end cover plate at the same vertical section of the wing shaped end cover plate at the vertical section, and the water vapor is connected with the vertical end cover plate at the vertical section of the vertical end of each wing shaped oil cooling fin 23. The transverse inclined plate and the vertical inclined plate are all oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body 1 and fixedly connected, and are outwards extended bodies which face away from the transformer body 1 horizontally.
In order to improve the universality of the wing-shaped oil-cooled radiating fins 23 and reduce the use cost in the preparation process, the top and the bottom of the outer radiating fin part 2 can be respectively packaged with an upper end plate 21 and a lower end plate 22, the outer sides of the outer radiating fin part 2 are packaged with an outer sealing plate 25, the upper end plate 21, the lower end plate 22, the outer sealing plate 25 and a double-channel air collecting cover 24 are movably mounted on the outer sides of the outer radiating fin part 2 through detachable components, the outer radiating fin part 2 forms a one-way air duct through the upper end plate 21, the lower end plate 22, the outer sealing plate 25 and the outer side of the transformer body 1, in this way, power equipment personnel can selectively radiate according to the working condition of the transformer substation, when the operation load of the transformer substation is small or the external environment temperature is low, the upper end plate 21, the lower end plate 22 and the outer sealing plate 25 are not required to be mounted on the transformer body 1, and the outer side of the transformer body 1 is directly cooled by the wing-shaped oil-cooled radiating fins 23 arranged, and the use mode is similar to the situation of the existing common transformer, so that the common use cost of the transformer is improved, the common use and the cost of the transformer is reduced; when the operation load of the transformer substation is large or the external environment temperature is high, for example, the electric appliances of a line in summer are increased, the load of the transformer is rapidly increased, and at the moment, the upper end plate 21, the lower end plate 22, the outer sealing plate 25 and the outer side wall of the transformer body 1 form a one-way air duct, so that an external forced air cannon heat dissipation circulation process is formed, the heat exchange efficiency of a unit heat dissipation area is further ensured on the basis of increasing the circulation ventilation quantity, and the comprehensive heat dissipation efficiency of the airfoil-shaped oil cooling heat dissipation fins 23 is greatly improved.
In order to further improve the availability factor of circulating water mist air cannon system 6, the utility model discloses a circulating connection who adopts cooling pipeline on four diagonal directions of transformer body 1 of application, the left front side of transformer body 1, right front side, right rear side, left rear side all are equipped with circulating water mist air cannon system 6 and heat exchanger 5 promptly, the circulating water mist air cannon system 6 and the heat exchanger 5 of left front side, right rear side, left rear side of transformer body 1 form first circulation cooling work unit a1, second circulation cooling work unit a2, third circulation cooling work unit a3 and fourth circulation cooling work unit a4 in proper order. The outer radiating fin part 2 of the front side of the transformer body is connected with the first circulating cooling working unit a1 through the steam heat return pipe 4, the outer radiating fin part 2 of the left side of the transformer body 1 is connected with the fourth circulating cooling working unit a4 through the steam heat return pipe 4, the outer radiating fin part 2 of the rear side of the transformer body 1 is connected with the third circulating cooling working unit a3 through the steam heat return pipe 4, and the outer radiating fin part 2 of the right side of the transformer body 1 is connected with the second circulating cooling working unit a2 through the steam heat return pipe 4. The connection mode fully utilizes the bell mouth type combined double-channel wind collecting hood 24 installed at the air inlet of the outer radiating fin part 2, reduces repeated arrangement of the circulating water mist wind cannon system 6, reduces purchase cost of equipment, improves cooling efficiency of the circulating water mist wind cannon system 6, and particularly the double-channel wind collecting hood 24 comprises an outer guide plate 241 and an inner guide plate, the outer guide plate 241 and the inner guide plate are vertically arranged, the outer guide plate 241 comprises two symmetrical vertical plates, the transverse cross section of the inner guide plate is Y-shaped, and the air inlets of two adjacent outer radiating fin parts 2 of the transformer body 1 share the double-channel wind collecting hood 24. The middle part of the upper end of the outer radiating fin part 2 is provided with a water vapor collecting end cover 3, the water vapor collecting end cover 3 penetrates through the upper end plate 21 and is connected with the wing-shaped oil cooling radiating fins 23 to form a side-by-side water vapor collecting port, the outer end of the water vapor collecting end cover 3 is connected with a water vapor heat return pipe 4, the tail end of the water vapor heat return pipe 4 is connected with a heat exchanger 5, the heat exchanger 5 comprises a water storage tank, the outer side of the double-channel wind collecting cover 24 is provided with a circulating water mist wind cannon system 6, the circulating water mist wind cannon system 6 is connected with a circulating connecting pipe 61, the circulating water mist wind cannon system 6 is connected with the heat exchanger 5 through the circulating connecting pipe 61, and the heat exchanger 5 is used for cooling hot vapor and providing circulating cold water for the circulating water mist wind cannon system 6.
The overload early warning system comprises a data acquisition control center, a water mist cooling intensity control module and a temperature feedback control module, wherein the data acquisition control center comprises an overload early warning display module, and the temperature feedback control module comprises a real-time temperature display module, so that the technical effects of automatic overload early warning and automatic cooling intensity control are achieved, and the basic constitution and principle of the overload early warning system are as follows: the data acquisition control center is provided with an overload time period acquisition unit, a temperature continuous sampling unit and a current continuous sampling unit, the data acquisition control center is used for acquiring appointed time period information, temperature and current information under the drive of the computer control system and obtaining the overload amount through operation, the water mist cooling intensity control module can adjust the water mist cooling intensity according to the overload amount, and the temperature feedback control module is used for comparing and calculating real-time temperature data with the overload amount to obtain corresponding temperature control signals and feeding back to the water mist cooling intensity control module. The data acquisition control center is connected with a historical operation parameter calculation module, and the historical operation parameter calculation module is used for comparing and calculating the operation state parameters of the designated time period and the normal state parameters of the historical time period so as to obtain the overload amount for regulating and controlling the water mist cooling intensity.
In the actual transformer substation operation process, taking a use environment in which high temperature in summer is high and overload frequently occurs as an example, a data acquisition control center of a computer control system acquires temperature and current information in the next time period, a time and current change curve in a voltage device in the current time period is generated in the computer system in a fitting mode according to a computer algorithm, a corresponding overload reference value is obtained through approximate weighted calculation of the curve, a plurality of cooling units are simultaneously controlled to perform an external forced water cannon cooling circulation process together through the reference value until the inside of a transformer body 1 reaches a specified normal operation reference temperature value, cooling can be performed in advance according to the analysis of the overload, and the intelligent pre-cooling function can be achieved due to the fact that the overload temperature rise of the transformer has certain hysteresis.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Digital control by temperature change transformer substation based on overload early warning system, including transformer body and overload early warning system thereof, all be equipped with outer radiating fin portion around the transformer body, the top and the bottom of transformer body all are equipped with the transformer apron, the transformer apron below of transformer body bottom is equipped with the base, its characterized in that: the outer radiating fin part comprises wing-shaped oil-cooled radiating fins, an upper end plate and a lower end plate are respectively packaged at the top and the bottom of the outer radiating fin part, an outer sealing plate is packaged at the outer side of the outer radiating fin part, a horn-mouth combined type double-channel wind collecting cover is mounted at an air inlet of the outer radiating fin part, the outer radiating fin part comprises two groups of wing-shaped oil-cooled radiating fins which are symmetrically distributed left and right, each group of wing-shaped oil-cooled radiating fins are uniformly distributed at intervals to form a side-by-side up-conversion ventilating duct, each wing-shaped oil-cooled radiating fin consists of a transverse inclined plate and a vertical inclined plate which are connected into a whole, the vertical section of each wing-shaped oil-cooled radiating fin is in an obtuse angle bending shape, the double-channel wind collecting cover comprises an outer guide plate and an inner guide plate, the outer guide plate and the inner guide plate are vertically arranged, the outer guide plate comprises two symmetrical vertical plates, and the transverse section of the inner guide plate is Y-shaped, the air inlets of two adjacent outer radiating fin parts of the transformer body share a double-channel air collecting cover, the middle part of the upper end of each outer radiating fin part is provided with a water vapor collecting end cover, the transverse inclined plates incline downwards from inside to outside, the transverse inclined plates of each group of wing type oil cooling radiating fins are equally spaced and parallel to each other, the bending points of the transverse inclined plates and the vertical inclined plates of each group of wing type oil cooling radiating fins are all on the same straight line in the vertical section, the upper end of the vertical inclined plate of each group of wing type oil cooling radiating fins is connected with the water vapor collecting end cover, the water vapor collecting end cover penetrates through the upper end plate and is connected with the wing type oil cooling radiating fins to form a side-by-side water vapor collecting port, the outer end of the water vapor collecting end cover is connected with a water vapor heat return pipe, the tail end of the water vapor heat return pipe is connected with a heat exchanger, the heat exchanger comprises a water storage tank, the outside of binary channels collection fan housing is equipped with the circulating water smoke wind big gun system, the circulating water smoke wind big gun system is connected with the circulation connecting pipe, the circulating water smoke wind big gun system through the circulation connecting pipe with heat exchanger links to each other, heat exchanger is used for to hot steam cooling and does the circulating water smoke wind big gun system provides circulating cold water, overload early warning system includes data acquisition control center, water smoke cooling intensity control module and temperature feedback control module, data acquisition control center includes overload early warning display module, temperature feedback control module includes real-time temperature display module.
2. The digital temperature-controlled substation based on overload early warning system according to claim 1, wherein: the transverse inclined plate and the vertical inclined plate are all oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body and fixedly connected, and are outwards extended bodies which face away from the transformer body horizontally.
3. The digital temperature-controlled substation based on overload early warning system according to claim 1, wherein: the upper end plate, the lower end plate, the outer sealing plate and the double-channel wind collecting cover are movably mounted on the outer side of the outer radiating fin portion through the detachable components, and the outer radiating fin portion forms a one-way air duct through the upper end plate, the lower end plate, the outer sealing plate and the outer side of the transformer body.
4. The digital temperature-controlled substation based on overload early warning system according to claim 1, wherein: the left front side, the right rear side and the left rear side of the transformer body are respectively provided with a circulating water mist air cannon system and a heat exchanger, and the left front side, the right rear side and the left rear side of the transformer body are sequentially provided with a first circulating cooling working unit, a second circulating cooling working unit, a third circulating cooling working unit and a fourth circulating cooling working unit.
5. The digital temperature-controlled substation based on overload early warning system according to claim 4, wherein: the outer radiating fin portion of transformer body front side is connected with first circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body left side is connected with fourth circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body rear side is connected with third circulation cooling work unit through steam heat pipe, the outer radiating fin portion of transformer body right side is connected with second circulation cooling work unit through steam heat pipe.
6. The digital temperature-controlled substation based on overload early warning system according to claim 1, wherein: the system comprises a computer control system, a water mist cooling intensity control module and a temperature feedback control module, wherein the computer control system is used for controlling the temperature of water mist cooling intensity control module to be controlled according to the water mist cooling intensity, and the computer control system is used for controlling the temperature of water mist cooling intensity control module to be controlled according to the water mist cooling intensity.
7. The digital temperature-controlled substation based on overload early warning system of claim 6, wherein: the data acquisition control center is connected with a historical operation parameter calculation module, and the historical operation parameter calculation module is used for comparing and calculating the operation state parameters of the designated time period and the normal state parameters of the historical time period so as to obtain the overload amount for regulating and controlling the water mist cooling intensity.
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| CN203812685U (en) * | 2014-05-13 | 2014-09-03 | 中国长江电力股份有限公司 | Forced-oil circulation air-cooled transformer provided with wet-curtain cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0521236A (en) * | 1991-07-12 | 1993-01-29 | Hitachi Ltd | Radiator self-cooled transformer |
| CN207868024U (en) * | 2017-12-27 | 2018-09-14 | 山东欧玛嘉宝电气科技有限公司 | A kind of amorphous alloy oil immersion type transformer heat sink |
| CN110767411A (en) * | 2019-10-31 | 2020-02-07 | 广东电网有限责任公司 | Transformer cooling device and operation monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203812685U (en) * | 2014-05-13 | 2014-09-03 | 中国长江电力股份有限公司 | Forced-oil circulation air-cooled transformer provided with wet-curtain cooling device |
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