CN220673193U - Dynamic tracking reactive power compensation device suitable for transformer substation - Google Patents
Dynamic tracking reactive power compensation device suitable for transformer substation Download PDFInfo
- Publication number
- CN220673193U CN220673193U CN202321855364.9U CN202321855364U CN220673193U CN 220673193 U CN220673193 U CN 220673193U CN 202321855364 U CN202321855364 U CN 202321855364U CN 220673193 U CN220673193 U CN 220673193U
- Authority
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- China
- Prior art keywords
- shell
- reactive power
- sealing plate
- rotary sealing
- dynamic tracking
- Prior art date
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- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of power equipment, in particular to a dynamic tracking reactive power compensation device suitable for a transformer substation. The technical scheme includes that the dynamic reactive power compensator comprises a shell, a dynamic reactive power compensator main body and cold diffusion devices, wherein the dynamic reactive power compensator main body is fixed in the shell, and the cold diffusion devices are arranged at two sides of the shell respectively; the cold diffusion device comprises a rotary sealing plate rotatably arranged on the side surface of the shell, a plurality of semiconductor refrigerating sheets are arranged on the rotary sealing plate along the height direction of the rotary sealing plate, and a radiator for radiating heat of the semiconductor refrigerating sheets is arranged on the hot end surface of each semiconductor refrigerating sheet; the device also comprises a driving device for driving the rotary sealing plate to rotate. The utility model cools the air by the semiconductor refrigerating sheet, so that the cool air is diffused in the shell, thereby cooling the dynamic reactive compensator main body, and in the refrigerating process of the semiconductor refrigerating sheet, the semiconductor refrigerating sheet is cooled by the radiator, and the radiator fan can be used for cooling.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a dynamic tracking reactive power compensation device suitable for a transformer substation.
Background
Reactive compensation has been widely used in power grids of various voltage classes as an important measure for maintaining reactive power balance of power systems, reducing grid loss, and improving power supply quality. The reactive compensation is reasonably selected, the voltage level of the system can be effectively maintained, the voltage stability is improved, and a large amount of reactive power is avoided from being transmitted in a long distance, so that the active network loss is reduced, the power generation cost is reduced, the equipment utilization rate is improved, the reactive compensation is reasonably utilized, and the reactive compensation is an important subject for improving the economic and social benefits of power enterprises.
In a transformer substation, a dynamic reactive power compensation generating device, namely a static synchronous compensator is generally utilized, but the static synchronous compensator is arranged in a distribution box in the transformer substation, and the internal electrical components are numerous, so that the heat generation amount is large, and therefore, a dynamic tracking reactive power compensation device suitable for the transformer substation is provided to solve the problems.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a dynamic tracking reactive power compensation device with a double heat dissipation mode, which is suitable for a transformer substation.
The technical scheme of the utility model is as follows: a dynamic tracking reactive power compensation device suitable for a transformer substation, which comprises a shell and a dynamic reactive power compensator main body fixed in the shell,
the device also comprises two cold diffusion devices which are respectively positioned at two sides of the shell;
the cold diffusion device comprises a rotary sealing plate rotatably arranged on the side surface of the shell, a plurality of semiconductor refrigerating sheets are arranged on the rotary sealing plate along the height direction of the rotary sealing plate, and a radiator for radiating heat of the semiconductor refrigerating sheets is arranged on the hot end surface of each semiconductor refrigerating sheet;
the device also comprises a driving device for driving the rotary sealing plate to rotate.
Preferably, the driving device includes a transmission and a driving motor as a power input source of the transmission;
the shaft body of the rotary sealing plate is connected with the power output end of the transmission.
Preferably, the end surfaces of the two sides of the rotary sealing plate are arc-shaped.
Preferably, the air cooling device is provided with two air cooling devices, and the two air cooling devices are respectively fixed on the side surface of the shell and cover the corresponding cold diffusion devices;
the air cooling device comprises a mounting cover fixed on the shell, a plurality of air inlets are uniformly formed in the surface of the mounting cover, and a plurality of cooling fans are arranged on the air inlets along the height direction of the air inlets.
Preferably, the mounting cover has an arc shape with a diameter larger than a radius required when the rotary sealing plate rotates.
Preferably, the positions of the plurality of heat dissipation fans correspond to the positions of the plurality of heat sinks.
Preferably, the cold diffusion device and the air cooling device are electrically connected with an external controller and an external power supply.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, the semiconductor refrigerating piece is used for refrigerating air, so that the cold air is diffused in the shell, the dynamic reactive compensator main body is cooled, and the semiconductor refrigerating piece is used for radiating heat in the refrigerating process of the semiconductor refrigerating piece through the radiator.
The rotary sealing plate is driven by the driving motor and the speed changer to rotate 90 degrees, so that the side face of the shell is in an open state, and cold air generated by the semiconductor refrigerating sheet is blown into the shell through the cooling fan, and meanwhile, air convection can be formed, so that the heat dissipation of the dynamic reactive power compensator main body is accelerated.
Drawings
FIG. 1 shows a schematic diagram of an embodiment of the present utility model;
FIG. 2 shows a top cross-sectional view of the present utility model;
FIG. 3 is a side view of a rotary seal plate according to the present utility model;
reference numerals: a dynamic reactive compensator body; a 20-shell; 30 cold diffusion means; 31 a transmission; 32 a heat sink; 33 rotating the seal plate; 34 semiconductor refrigeration piece; 35 a drive motor; 40 air cooling device; 41 mounting a cover; 42 air inlet holes; 43 a heat dissipation fan.
Description of the embodiments
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
As shown in fig. 1, the dynamic tracking reactive power compensation device for a transformer substation provided by the utility model comprises a shell 20 and a dynamic reactive power compensator main body 10 fixed in the shell 20,
the device also comprises cold diffusion devices 30, wherein the cold diffusion devices 30 are arranged at two sides of the shell 20 respectively;
as shown in fig. 2 and 3, the cold diffusion device 30 includes a rotary sealing plate 33 rotatably installed at a side of the case 20, the rotary sealing plate 33 being provided with a plurality of semiconductor cooling fins 34 in a height direction thereof, a heat end surface of each semiconductor cooling fin 34 having a heat sink 32 radiating heat thereof;
and a driving means for driving the rotary seal plate 33 to rotate.
During the cooling process, the semiconductor cooling fin 34 cools the air, and the cooling air is diffused in the housing 20, so that the dynamic reactive compensator main body 10 is cooled, and during the cooling process of the semiconductor cooling fin 34, the semiconductor cooling fin 34 dissipates heat through the radiator 32.
The driving device includes a transmission 31 and a driving motor 35 as a power input source of the transmission 31;
the shaft body of the rotary seal plate 33 is connected to the power output end of the transmission 31.
Both side end surfaces of the rotary seal plate 33 are arc-shaped. The rotary sealing plate 33 is driven to rotate 90 degrees by the driving motor 35 and the transmission 31, so that two sides of the shell 20 are in an open state, and ventilation of cold air is facilitated.
The air cooling device 40 is arranged, and the two air cooling devices 40 are respectively fixed on the side face of the shell 20 and cover the corresponding cold diffusion devices 30;
the air cooling device 40 includes a mounting cover 41 fixed on the housing 20, a plurality of air intake holes 42 are uniformly formed on the surface of the mounting cover 41, the plurality of air intake holes 42 can enable air to rapidly enter the housing 20, and the air intake holes 42 are provided with a plurality of heat dissipation fans 43 along the height direction thereof.
The mounting cap 41 has an arc shape with a diameter larger than a radius required for rotation of the rotary seal plate 33. Therefore, the rotary seal plate 33 is not in contact with the mounting cover 41 during rotation.
The positions of the plurality of heat dissipation fans 43 correspond to the positions of the plurality of heat sinks 32.
The cold diffusion device 30 and the air cooling device 40 are electrically connected with an external controller and an external power supply.
Specifically, the driving motor 35 and the transmission 31 drive the rotary sealing plate 33 to rotate 90 ° to make the side surface of the housing 20 in an open state, and then the cooling fan 43 blows the cool air generated by the semiconductor cooling plate 34 to the inside of the housing 20, and at the same time, air convection can be formed to accelerate the heat dissipation to the dynamic reactive compensator main body 10.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model is understood by those of ordinary skill in the art according to the specific circumstances.
The above-described embodiments are merely one or several preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a dynamic tracking reactive power compensator suitable for transformer substation, includes casing (20) and fixes dynamic reactive power compensator main part (10) in casing (20), its characterized in that:
the device also comprises cold diffusion devices (30), wherein the cold diffusion devices (30) are arranged at two sides of the shell (20) respectively;
the cold diffusion device (30) comprises a rotary sealing plate (33) rotatably arranged on the side surface of the shell (20), the rotary sealing plate (33) is provided with a plurality of semiconductor refrigerating sheets (34) along the height direction, and the hot end surface of each semiconductor refrigerating sheet (34) is provided with a radiator (32) for radiating heat;
and a driving device for driving the rotary sealing plate (33) to rotate.
2. A dynamic tracking reactive power compensation device for substations according to claim 1, characterized in that the drive device comprises a transmission (31) and a drive motor (35) as the power input source for the transmission (31);
the shaft body of the rotary sealing plate (33) is connected with the power output end of the transmission (31).
3. A dynamic tracking reactive power compensator for substations according to claim 2, characterized by the fact that the end faces of the rotary sealing plates (33) are arc-shaped.
4. The dynamic tracking reactive power compensation device suitable for the transformer substation according to claim 2, further comprising two air cooling devices (40), wherein the two air cooling devices (40) are respectively fixed on the side surfaces of the shell (20) and cover the corresponding cold diffusion devices (30);
the air cooling device (40) comprises a mounting cover (41) fixed on the shell (20), a plurality of air inlets (42) are uniformly formed in the surface of the mounting cover (41), and a plurality of cooling fans (43) are arranged on the air inlets (42) along the height direction of the air inlets.
5. A dynamic tracking reactive compensation device for substations, according to claim 4, characterized in that the mounting cover (41) is arc-shaped with a diameter larger than the radius required for the rotation of the rotary sealing plate (33).
6. A dynamic tracking reactive compensation device for substations according to claim 4, characterized in that the position of several radiating fans (43) corresponds to the position of several radiators (32).
7. A dynamic tracking reactive compensation device for substations according to claim 1, characterized in that the cold and air-cooling devices (30, 40) are electrically connected to an external controller and an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855364.9U CN220673193U (en) | 2023-07-14 | 2023-07-14 | Dynamic tracking reactive power compensation device suitable for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855364.9U CN220673193U (en) | 2023-07-14 | 2023-07-14 | Dynamic tracking reactive power compensation device suitable for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220673193U true CN220673193U (en) | 2024-03-26 |
Family
ID=90333249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321855364.9U Active CN220673193U (en) | 2023-07-14 | 2023-07-14 | Dynamic tracking reactive power compensation device suitable for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220673193U (en) |
-
2023
- 2023-07-14 CN CN202321855364.9U patent/CN220673193U/en active Active
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