CN114724811A - 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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- CN114724811A CN114724811A CN202210274360.5A CN202210274360A CN114724811A CN 114724811 A CN114724811 A CN 114724811A CN 202210274360 A CN202210274360 A CN 202210274360A CN 114724811 A CN114724811 A CN 114724811A
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Emergency Alarm Devices (AREA)
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, wherein outer heat dissipation 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, and a base is arranged below the transformer cover plate at the bottom of the transformer body, and the digital temperature control transformer substation is characterized in that: the outer cooling fin part comprises an airfoil oil cooling fin, the top and the bottom of the outer cooling fin part are respectively packaged with an upper end plate and a lower end plate, and the outer side of the outer cooling fin part is packaged with an outer sealing plate.
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 society rapid development, demand for electric power can be bigger and bigger, especially in city transformation and distribution technical field, the electric load of city production and life is constantly increased, the working efficiency of transformer substation is all influenced by the self capacity of distribution transformer and the continuous change of electric load, under the condition that the transformer of transformer substation overloads for a long time, the transformation and distribution device can be aged with higher speed, the operating capacity becomes worse gradually, the fault frequently occurs, even can cause the power failure accident of large tracts of land, bring serious economic loss. Therefore, how to carry out overload cooling on the transformer becomes a hot problem which is long-term concerned and researched in the technical field, the existing transformer generally carries out heat dissipation through the oil cooling fins, when the overload capacity is large, insufficient heat dissipation can be generated, and therefore overload heat dissipation is carried out only by means of existing simple threshold setting and manual experience judgment, and heat dissipation is difficult to carry out accurately and efficiently in real time. In order to improve the operation capability of the power grid, and particularly to meet the high-efficiency operation requirement of the power grid in a high-load period, a digital temperature control substation based on an overload early warning system, which has a high-efficiency heat dissipation means and general universality, 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 in the prior art.
The invention aims to solve the technical problem by the following technical scheme, and discloses 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 respectively arranged on the front, the back, the left and the right of the transformer body, transformer cover plates are respectively arranged at the top and the bottom of the transformer body, a base is arranged below the transformer cover plate at the bottom of the transformer body, each outer radiating fin part comprises a wing oil-cooled radiating fin, an upper end plate and a lower end plate are respectively packaged at the top and the bottom of each outer radiating fin part, an outer sealing plate is packaged at the outer side of each outer radiating fin part, a horn mouth type combined double-channel air collecting cover is installed at an air inlet of each outer radiating fin part and comprises an outer guide plate and an inner guide plate, and the outer guide plate and the inner guide plate are vertically arranged, the outer guide plate comprises two symmetrical vertical plates, 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 one double-channel air collecting cover, the upper end middle part of each outer radiating fin part is provided with a water vapor collecting end cover, the water vapor collecting end cover penetrates through the upper end plate and the wing-shaped oil cooling fins to be connected 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-returning pipe, the tail end of the water vapor heat-returning pipe is connected with a heat exchanger, the heat exchanger comprises a water storage tank, the outer side of the double-channel air collecting cover is provided with a circulating water mist air gun system, the circulating water mist air gun system is connected with a circulating connecting pipe, the circulating water mist air gun system is connected with the heat exchanger through the circulating connecting pipe, the heat exchanger is used for cooling hot steam and providing circulating cold water for the circulating water air gun 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, wherein the data acquisition control center comprises an overload amount early warning display module, and the temperature feedback control module comprises a real-time temperature display module.
Further, outer heat dissipation fin portion includes the wing section oil cooling radiating fin that two sets of bilateral symmetry arranged, and every wing section oil cooling radiating fin of group equal interval distribution and form and rotate formula ventiduct on side by side, wing section oil cooling radiating fin comprises even as an organic whole horizontal swash plate and vertical swash plate, wing section oil cooling radiating fin's vertical cross-section is the obtuse angle and bends the form.
Further, the transverse inclined plates incline downwards from inside to outside, the transverse inclined plates of each group of wing-type oil-cooled 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-cooled radiating fins are 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-cooled radiating fins are connected with the water vapor collecting end cover.
Further, the transverse inclined plate and the vertical inclined plate are oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body and fixedly connected with the oil cooling heat dissipation system, and the transverse inclined plate and the vertical inclined plate are horizontal outward extending bodies which face away from the transformer body.
Further, upper end plate, lower end plate, outer shrouding and binary channels wind-collecting cover all through dismantling subassembly movable mounting in the outside of outer heat dissipation fin portion, outer heat dissipation fin portion encloses into one-way wind channel through upper end plate, lower end plate, outer shrouding and the transformer body outside.
Further, left front side, right back side, left rear side of transformer body all are equipped with circulation water smoke wind big gun system and heat exchanger, the circulation water smoke wind big gun system and the heat exchanger of left front side, right back side, left rear side of transformer body form first circulation cooling working unit, second circulation cooling working unit, third circulation cooling working unit and fourth circulation cooling working unit in proper order.
Further, the outer heat dissipation fin part of transformer body front side is connected with first circulation cooling unit through the steam backheat pipe, the left outer heat dissipation fin part of transformer body is connected with fourth circulation cooling unit through the steam backheat pipe, the outer heat dissipation fin part of transformer body rear side is connected with third circulation cooling unit through the steam backheat pipe, the outer heat dissipation fin part on transformer body right side is connected with second circulation cooling unit through the steam backheat pipe.
Further, data acquisition control center is equipped with overload period acquisition unit, the continuous sampling unit of temperature and the continuous sampling unit of electric current, data acquisition control center is used for gathering appointed period information and temperature and electric current information and reacing the overload capacity through the operation under computer control system's drive, the intensity of water smoke cooling can be adjusted according to the overload capacity to water smoke cooling intensity control module, temperature feedback control module is used for comparing real-time temperature data and overload capacity and calculates corresponding temperature control signal and feed back to water smoke cooling intensity control module.
Furthermore, the data acquisition control center is connected with a historical operating parameter calculation module, and the historical operating parameter calculation module is used for comparing and calculating the operating state parameters in the appointed time period with the normal state parameters in the historical time period so as to obtain the overload amount for regulating and controlling the water mist cooling intensity.
Compared with the prior art, the invention has the following advantages:
the forced cooling process under the action of an external circulating water mist air gun system is realized through the bent wing-shaped oil-cooled radiating fins arranged in a close-packed manner, so that the radiating contact area of the unit surface is increased, and the heat exchange speed of the wing-shaped oil-cooled radiating fins is increased in a high-air-volume circulating manner; according to the outer sealing plate outside the outer radiating fin part, the upper end plate and the lower end plate can be detached according to the use environment, so that the complexity of the use environment is fully considered, the use cost in a common use scene is reduced, and the universal applicability is realized; the multi-unit synchronous circulating heat dissipation mode based on the overload early warning system can enhance the intensive type and the circulating performance of equipment, reduces the use cost and has the pre-cooling efficiency.
Drawings
FIG. 1 is a schematic diagram illustrating the connection relationship between temperature control components at the outer side of a transformer body 1 according to the present invention;
fig. 2 is a schematic plan view of the relative position layout of the first, second, third and fourth circulating temperature-reducing working units a1, a2, a3 and a4 of the transformer body 1;
FIG. 3 is a schematic diagram of the temperature control principle of the overload warning system of the present invention;
FIG. 4 is a schematic 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 air collecting cover, 241-an outer guide plate, 25-an outer sealing plate, 3-a water vapor collecting end cover, 4-a water vapor heat returning pipe, 5-a heat exchanger, 6-a circulating water mist air gun system, 61-a circulating connecting pipe, a 1-a first circulating cooling working unit, a 2-a second circulating cooling working unit, a 3-a third circulating cooling working unit and a 4-a fourth circulating cooling working unit.
Detailed Description
As shown in fig. 1-4, the digital temperature control transformer substation based on the overload warning system disclosed by the invention comprises a transformer body 1 and an overload warning system thereof, wherein outer heat dissipation fin parts 2 are respectively arranged at the front, the back, the left and the right of the transformer body 1, a transformer cover plate 11 is respectively arranged at the top and the bottom of the transformer body 1, a base 12 is arranged below the transformer cover plate 11 at the bottom of the transformer body 1, the outer heat dissipation fin parts 2 comprise wing-shaped oil cooling heat dissipation fins 23, specifically, in order to achieve a better oil cooling water cooling internal and external composite circulation heat dissipation effect, the outer heat dissipation fin parts 2 specifically comprise two groups of wing-shaped oil cooling heat dissipation fins 23 which are symmetrically arranged from left to right, each group of the wing-shaped oil cooling heat dissipation fins 23 are distributed at intervals to form a side-by-side up-rotating ventilation channel, and the wing-shaped oil cooling heat dissipation fins 23 are composed of a horizontal inclined plate and a vertical inclined plate which are connected into a whole, the vertical section of the wing-type oil-cooling radiating fins 23 is bent at an obtuse angle, the transverse inclined plates incline downwards from inside to outside, the transverse inclined plates of each group of wing-type oil-cooling radiating fins 23 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 23 are 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 23 are connected with the water vapor collecting end cover 3. The transverse inclined plate and the vertical inclined plate are both oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body 1 and are fixedly connected with the oil cooling heat dissipation system, and the transverse inclined plate and the vertical inclined plate are both horizontally and outwardly extending bodies which are back to the transformer body 1.
In order to improve the universality of the wing-type 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 side of the outer radiating fin part 2 is 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 all movably mounted on the outer side of the outer radiating fin part 2 through detachable components, the outer radiating fin part 2 surrounds 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, through the mode, power equipment personnel can selectively radiate heat 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 do not need to be mounted on the transformer body 1, the outer side of the transformer body 1 of the transformer substation directly radiates heat through the densely arranged wing-shaped oil-cooled radiating fins 23, and the use mode is similar to the radiation situation of the existing common transformer, so that the universality of the transformer in the common use environment is improved, and the use cost of installation, maintenance and the like is reduced; and when the operation load of the transformer substation is smaller or the external environment temperature is lower, for example, the number of electric appliances in a circuit increases in summer, the load of the transformer increases rapidly, and at this time, the upper end plate 21, the lower end plate 22, the outer sealing plate 25 and the outer side of the transformer body 1 enclose a one-way air duct, so that an external forced air gun 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 volume, and the comprehensive heat dissipation efficiency of the wing-shaped oil-cooled heat dissipation fin 23 is greatly improved.
In order to further improve circulating water smoke wind big gun system 6's availability factor, adopt the circulation connection of cooling pipeline on four diagonal directions of transformer body 1 of this application, left front side, right back side, the left rear side of transformer body 1 all are equipped with circulating water smoke wind big gun system 6 and heat exchanger 5 promptly, the circulating water smoke wind big gun system 6 and the heat exchanger 5 of left front side, right back side, left rear side of transformer body 1 form first circulation cooling working unit a1, second circulation cooling working unit a2, third circulation cooling working unit a3 and fourth circulation cooling working unit a4 in proper order. Outer heat dissipation fin portion 2 of depressor body front side is connected with first circulation cooling unit a1 through steam backheat pipe 4, left outer heat dissipation fin portion 2 of transformer body 1 is connected with fourth circulation cooling unit a4 through steam backheat pipe 4, outer heat dissipation fin portion 2 of transformer body 1 rear side is connected with third circulation cooling unit a3 through steam backheat pipe 4, outer heat dissipation fin portion 2 on transformer body 1 right side is connected with second circulation cooling unit a2 through steam backheat pipe 4. Above-mentioned connected mode make full use of the horn mouth formula combined binary channels wind-collecting cover 24 that has installed in the air intake department of outer heat dissipation fin portion 2, reduced circulation water smoke wind big gun system 6's duplicate set, reduced the purchase cost of equipment, improved circulation water smoke wind big gun system 6's cooling efficiency, binary channels wind-collecting cover 24 specifically includes outer guide 241 and inner guide, the equal vertical setting of outer guide 241 and inner guide, outer guide 241 includes two risers of symmetry, the transverse section of inner guide is the Y type, binary channels wind-collecting cover 24 is shared to the air intake of two adjacent outer heat dissipation fin portions 2 of transformer body 1. And the upper end middle part of outer heat dissipation fin part 2 is equipped with steam and collects end cover 3, steam is collected end cover 3 and is passed upper end plate 21 with wing type oil cooling fin 23 connects and forms steam collection mouth side by side, 3 outer ends of steam collection end cover are connected with steam backheat pipe 4, the end-to-end connection of steam backheat pipe 4 has heat exchanger 5, heat exchanger 5 includes the storage water tank, the outside of binary channels wind-collecting cover 24 is equipped with circulation water smoke wind cannon system 6, circulation water smoke wind cannon system 6 is connected with circulation connecting pipe 61, circulation water smoke wind cannon system 6 through circulation connecting pipe 61 with heat exchanger 5 links to each other, heat exchanger 5 is used for to the cooling of hot steam and does circulation water is provided by circulation water smoke wind cannon system 6.
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 capacity early warning display module, temperature feedback control module includes real-time temperature display module to automatic overload early warning and the automatic controllable technological effect of cooling intensity have been reached, this overload early warning system's basic constitution and principle do: data acquisition control center is equipped with overload period acquisition unit, the continuous sampling unit of temperature and the continuous sampling unit of electric current, data acquisition control center is used for gathering appointed period information and temperature and electric current information and reacing the overload capacity through the operation under computer control system's drive, the intensity of water smoke cooling can be adjusted according to the overload capacity to water smoke cooling intensity control module, temperature feedback control module is used for comparing real-time temperature data and overload capacity and calculates and reachs corresponding temperature control signal and feed back water smoke 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 in the appointed time period with the normal state parameters in the historical time period so as to obtain the overload amount for regulating and controlling the water mist cooling intensity.
In the operation process of the actual transformer substation, taking the use environment with high temperature in summer and frequent overload as an example, the data acquisition control center of the computer control system acquires the temperature and current information of the next time period, and a time current change curve inside the voltage device in the current time period is generated in a fitting manner in the computer system according to a computer algorithm, and a corresponding overload reference value is obtained through approximate weighting calculation of the curve, the reference value is used for simultaneously controlling a plurality of cooling units to perform an external forced water cannon cooling circulation process until the interior of the transformer body 1 reaches a specified normal operation reference temperature value, and according to the analysis of the overload amount, even if the current temperature is lower than the reference temperature value, the temperature can be reduced in advance, and the overload temperature rise of the transformer has certain hysteresis, so that the intelligent pre-cooling function can be achieved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Digital control by temperature change transformer substation based on overload early warning system, including transformer body and overload early warning system, all be equipped with outer heat dissipation fin portion around transformer body, transformer body's top and bottom all are equipped with transformer cover plate, the transformer cover plate below of transformer body bottom is equipped with base, its characterized in that: the outer heat dissipation fin part comprises airfoil oil-cooled heat dissipation fins, an upper end plate and a lower end plate are respectively packaged at the top and the bottom of the outer heat dissipation fin part, an outer sealing plate is packaged at the outer side of the outer heat dissipation fin part, a horn mouth type combined double-channel air collecting cover is installed at the air inlet of the outer heat dissipation fin part, the double-channel air 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, the transverse section of the inner guide plate is Y-shaped, the air inlets of two adjacent outer heat dissipation fin parts of the transformer body share one double-channel air collecting cover, a water vapor collecting end cover is arranged in the middle of the upper end of the outer heat dissipation fin part and penetrates through the upper end plate and the airfoil oil-cooled heat dissipation fins to be connected to form a water vapor collecting port side by side, and the outer end of the water vapor collecting end cover is connected with a water vapor heat recovery pipe, the end-to-end connection of steam backheat pipe has heat exchanger, heat exchanger includes the storage water tank, the outside of binary channels wind-collecting cover is equipped with circulation water smoke air cannon system, circulation water smoke air cannon headtotail has the circulating connection pipe, circulation water smoke air cannon system pass through the circulating connection pipe with heat exchanger links to each other, heat exchanger is used for to hot steam cooling and does circulation water cooling is provided to circulation water smoke air cannon system, 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 capacity 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, characterized in that: outer radiating fin portion includes the wing section oil cooling radiating fin that two sets of bilateral symmetry arranged, and every wing section oil cooling radiating fin of group equal interval distribution forms and goes up the commentaries on classics ventiduct side by side, wing section oil cooling radiating fin comprises even horizontal swash plate as an organic whole and perpendicular swash plate, wing section oil cooling radiating fin's vertical section is the obtuse angle and bends the form.
3. The digital temperature-controlled substation based on overload early warning system according to claim 2, characterized in that: the transverse inclined plates incline downwards from inside to outside, the transverse inclined plates of each group of wing-type oil-cooled 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-cooled radiating fins are 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-cooled radiating fins are connected with the water vapor collecting end cover.
4. The digital temperature-controlled substation based on overload early warning system according to claim 2, characterized in that: the transverse inclined plate and the vertical inclined plate are both oil through cavity structures which are communicated with an oil cooling heat dissipation system of the transformer body and are fixedly connected with the oil cooling heat dissipation system, and the transverse inclined plate and the vertical inclined plate are both back to back of the transformer body.
5. The digital temperature-controlled substation based on overload early warning system according to claim 1, characterized in that: the upper end plate, the lower end plate, the outer sealing plate and the double-channel air collecting cover are movably mounted on the outer side of the outer radiating fin part through detachable components, and the outer radiating fin part is enclosed into a one-way air channel through the upper end plate, the lower end plate, the outer sealing plate and the outer side of the transformer body.
6. The digital temperature-controlled substation based on overload early warning system according to claim 1, characterized in that: the left front side, the right rear side, the left rear side of transformer body all are equipped with circulation water smoke wind big gun system and heat exchanger, the circulation water smoke wind big gun system and the heat exchanger of the left front side, the right rear side, the left rear side of transformer body form first circulation cooling working unit, second circulation cooling working unit, third circulation cooling working unit and fourth circulation cooling working unit in proper order.
7. The digital temperature-controlled substation based on overload early warning system according to claim 6, characterized in that: the outer heat dissipation fin part of transformer body front side is connected with first circulation cooling unit through steam backheat pipe, the left outer heat dissipation fin part of transformer body is connected with fourth circulation cooling unit through steam backheat pipe, the outer heat dissipation fin part of transformer body rear side is connected with third circulation cooling unit through steam backheat pipe, the outer heat dissipation fin part on transformer body right side is connected with second circulation cooling unit through steam backheat pipe.
8. The digital temperature-controlled substation based on overload early warning system according to claim 1, characterized in that: the data acquisition control center is equipped with overload period acquisition unit, the continuous sampling unit of temperature and the continuous sampling unit of electric current, data acquisition control center is used for gathering appointed period information and temperature and electric current information and reacing the overload capacity through the operation under computer control system's drive, the intensity of water smoke cooling can be adjusted according to the overload capacity to water smoke cooling intensity control module, temperature feedback control module is used for comparing real-time temperature data and overload capacity and calculates and reachs corresponding temperature control signal and feed back water smoke cooling intensity control module.
9. The digital temperature-controlled substation based on overload early warning system according to claim 8, characterized in that: 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 in the appointed time period with the normal state parameters in the historical time period so as to obtain the overload amount for regulating and controlling the water mist cooling intensity.
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| CN202210274360.5A CN114724811B (en) | 2022-03-21 | 2022-03-21 | Digital temperature control transformer substation based on overload early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210274360.5A CN114724811B (en) | 2022-03-21 | 2022-03-21 | Digital temperature control transformer substation based on overload early warning system |
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| CN114724811B CN114724811B (en) | 2023-05-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0521236A (en) * | 1991-07-12 | 1993-01-29 | Hitachi Ltd | Radiator self-cooled transformer |
| 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 |
| 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 |
-
2022
- 2022-03-21 CN CN202210274360.5A patent/CN114724811B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0521236A (en) * | 1991-07-12 | 1993-01-29 | Hitachi Ltd | Radiator self-cooled transformer |
| 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 |
| 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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| CN114724811B (en) | 2023-05-12 |
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