CN214384856U

CN214384856U - Reactive power compensation device for coastal wind power plant

Info

Publication number: CN214384856U
Application number: CN202022444149.2U
Authority: CN
Inventors: 胡旭嘉; 孙育宏; 张鑫
Original assignee: Huaneng Yangjiang Wind Power Generation Co ltd
Current assignee: Huaneng Yangjiang Wind Power Generation Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-12
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a reactive power compensation device for a coastal wind power plant, belonging to the technical field of power equipment, the reactive power compensation device for the coastal wind power station does not change the internal structure of the original equipment, and hot air exhausted by the equipment is cooled, dehumidified and recycled in a ventilation circulation mode, so that the running reliability of the equipment is enhanced, the safe running of the equipment can be achieved, moreover, the modification does not generate harmful substances, does not pollute the surrounding environment, greatly reduces the emission of heat dissipation of equipment, achieves the aim of recycling, meanwhile, although the improvement increases the energy consumption of a certain amount of air processors, the purposes of cyclic utilization, energy conservation and environmental protection are achieved due to the full utilization of the gas generated by heat dissipation, and through this transformation back, equipment operational environment improves, and the gas quality of cooling power module is big, and equipment can satisfy normal operating requirement.

Description

Reactive power compensation device for coastal wind power plant

Technical Field

The utility model relates to a power equipment technical field, more specifically say, relate to a coastal wind-powered electricity generation field reactive power compensator.

Background

The Shantail wind power plant is positioned at a foot with an altitude of 500-1000 meters near the coastal region of the Toyobo city of Guangdong province, and the perennial climate humidity of the wind power plant is relatively high and the humid salt fog weather is severe.

At present, install SVG type reactive power compensator in the wind-powered electricity generation field booster station, the device is installed in the SVG indoor, all there are ventilation cooling window and radiator fan on the four sides, it is big because of the long-term air humidity of transformer substation's environment, rain fog condensation weather is frequent, it is high to cause humidity in the SVG, and because there is the difference in temperature indoor outer, cause the condensation phenomenon often to appear in the SVG cabinet, under indoor heat dissipation air current effect, contain moisture in the air, and in permeating the IGBT module through cabinet body gap, cause the loss of burning of IGBT module regularity, communication optic fibre breaks, equipment can't satisfy the operation requirement, lead to equipment can not long-term steady operation.

Under the general condition, SVG type reactive compensation equipment cooling method is that equipment exhaust hot-air passes through the pipeline and arranges to outdoor, SVG equipment absorbs natural wind cooling power module, arrange equipment cooling back hot-air outdoor, and wind-powered electricity generation field is located the seaside more, the great place of humidity such as high mountain, the humidity of absorptive natural wind is too big, unsatisfied power module's requirement, IGBT scaling loss or control module damage often appear, the condition that leads to SVG equipment can't satisfy continuous operation, and IGBT and relevant module change high expense, cause maintenance cost to be high at all, for avoiding appearing this type of trouble, we have designed a coastal wind-powered electricity generation field SVG type reactive compensation device ventilation mode and have reformed transform, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a coastal wind power plant reactive power compensation device, in particular to the ventilation mode modification, which is applied to the SVG type, the coastal wind power plant reactive power compensation device does not change the internal structure of the original equipment, the hot air exhausted by the equipment is cooled, dehumidified and recycled in the ventilation circulation mode, thereby enhancing the reliability of the equipment operation, and the safe operation of the equipment can be achieved, moreover, the modification does not generate harmful substances, thereby not polluting the surrounding environment, meanwhile, the emission of the equipment heat dissipation is greatly reduced, the purpose of recycling is achieved, meanwhile, although the modification increases the energy consumption of a certain amount of air processors, because the gas generated by the heat dissipation is fully utilized, the purposes of recycling, energy saving and environmental protection are achieved, and after the modification, the equipment operation environment is improved, the gas mass of the cooling power module is large, and the equipment can meet the normal operation requirement.

In order to solve the above problems, the utility model adopts the following technical proposal.

A reactive power compensation device for a coastal wind power plant comprises a device shell, wherein an exhaust pipe is hermetically connected to one side surface of the device shell, air treatment equipment is fixedly installed at one end of the exhaust pipe, a connecting pipe is fixedly connected to the other side of the air treatment equipment, a circulating pipeline is fixedly connected to the other end of the connecting pipe, an air inlet pipe is fixedly connected to the other end of the circulating pipeline, an air guide cover is fixedly connected to the other end of the air inlet pipe, the cross section of the air inlet pipe is square, a mounting plate is fixedly connected to the inner wall of the air inlet pipe, a fan is hermetically connected to the center position of the mounting plate, the ventilation mode of the coastal wind power plant compensation device is reformed without changing the internal structure of the original device, hot air exhausted by the device is cooled, dehumidified and recycled in the ventilation circulating mode, and the running reliability of the device is enhanced, the safe operation of equipment can be achieved, no harmful substance is generated by the transformation, no pollution is caused to the surrounding environment, meanwhile, the emission of equipment heat dissipation is greatly reduced, the purpose of recycling is achieved, although the energy consumption of a certain amount of air processors is increased by the transformation, the purposes of recycling, energy saving and environmental protection are achieved due to the fact that gas generated by heat dissipation is fully utilized, and after the transformation, the operation environment of the equipment is improved, the gas quality of the cooling power module is large, and the equipment can meet the normal operation requirement.

Further, the fixed coupling that has connect of the other end of exhaust pipe has the mounting plate, the shape of mounting plate is ring shape, there is first screw on the surface of mounting plate through threaded connection, and first screw is annular equidistance and distributes, and the mounting plate of setting is convenient for install and remove between exhaust pipe and the closing plate, has improved the convenience of installing and removing of delivery pipe.

Further, the surface of fan is equipped with the fixed plate, there is the second screw on the surface of fixed plate through threaded connection, the other end of second screw passes through the surface threaded connection of screw thread and fixed plate, and square fixed plate is convenient to install the fan fixedly, the partition maintenance in the later stage of being convenient for.

Further, the other end of first screw has the closing plate through threaded connection, a surface of closing plate and a side fixed connection of equipment casing, the closing plate is used for sealing SVG room window and air discharge fan air outlet, simple structure, the transformation of the equipment ventilation mode of being convenient for.

Furthermore, one surface of the air guide cover is fixedly connected with one side surface of the equipment shell, and the area of the air guide cover is larger than that of the air inlet of the equipment shell, so that the air inlet sealing performance is improved, and the air inlet pipe is convenient to assemble, disassemble and transform.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme does not change the inner structure of original former equipment, carry out cooling dehumidification with equipment exhaust hot gas on the circulation mode of ventilating and handle the back and recycle, reliability with this reinforcing equipment operation, can reach the safe operation of equipment, and this transformation does not produce harmful substance, do not cause the pollution to the surrounding environment, reduced the radiating emission of equipment simultaneously by a wide margin, reach cyclic utilization's purpose, this transformation has increased a quantitative air handler's energy consumption simultaneously, but because make full use of the gas that the heat dissipation produced, cyclic utilization has been reached, energy-concerving and environment-protective purpose, and through this transformation back, SVG equipment operational environment improves, the gas quality of cooling power module is big, equipment can satisfy the normal operating requirement.

(2) The fixed mounting plate that has cup jointed of the other end of exhaust pipe, the shape of mounting plate is the ring shape, and there is first screw fastening plate's surface through threaded connection, and first screw is annular equidistance and distributes, and the mounting and dismounting convenience of delivery pipe has been improved to the mounting and dismounting between exhaust pipe and the closing plate of being convenient for of mounting and dismounting of mounting plate.

(3) The surface of fan is equipped with the fixed plate, and there is the second screw on the surface of fixed plate through threaded connection, and the other end of second screw passes through the surface threaded connection of screw thread and fixed plate, and square fixed plate is convenient to install the fan fixedly, the partition maintenance in the later stage of being convenient for.

(4) The other end of first screw has the closing plate through threaded connection, a surface of closing plate and a side fixed connection of equipment casing, and the closing plate is used for sealing room window and air discharge fan air outlet, simple structure, the transformation of the equipment ventilation mode of being convenient for.

(5) One surface of the wind scooper is fixedly connected with one side surface of the equipment shell, and the area of the wind scooper is larger than the air inlet of the equipment shell, so that the air inlet is not only improved in sealing performance, but also the air inlet pipe is convenient to assemble, disassemble and transform.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the air inlet pipe structure of the present invention;

fig. 3 is a bottom view of the mounting structure of the exhaust pipe and the sealing plate of the present invention.

The reference numbers in the figures illustrate:

the air treatment device comprises a device shell 1, an exhaust duct 2, a sealing plate 21, a fastening plate 22, a first screw 23, an air treatment device 3, a connecting pipe 31, a circulating pipeline 4, an air inlet pipe 5, an air guide cover 51, a mounting plate 6, a fan 7, a fixing plate 71 and a second screw 72.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a reactive power compensation device for a coastal wind farm, referring to fig. 1-3, includes an equipment housing 1, a side surface of the equipment housing 1 is hermetically connected with an exhaust pipe 2, one end of the exhaust pipe 2 is fixedly sleeved with a fastening plate 22, the fastening plate 22 is in a ring shape, the surface of the fastening plate 22 is connected with first screws 23 through threads, the first screws 23 are distributed in a ring shape at equal intervals, the fastening plate 22 is arranged to facilitate assembly and disassembly between the exhaust pipe 2 and a sealing plate 21, thereby improving the assembly and disassembly convenience of the exhaust pipe 2, one end of the exhaust pipe 2 is fixedly provided with an air treatment equipment 3, the air treatment equipment 3 belongs to the prior art and is used for dehumidifying and cooling hot air exhausted by the equipment, the other side of the air treatment equipment 3 is fixedly connected with a connecting pipe 31, the other end of the connecting pipe 31 is fixedly connected with a circulation pipeline 4, the other end of the circulation pipeline 4 is fixedly connected with an air inlet pipe 5, the other end fixedly connected with wind scooper 51 of air-supply line 5, the cross sectional shape of air-supply line 5 is square, the inner wall fixedly connected with mounting panel 6 of air-supply line 5, the central point of mounting panel 6 puts sealing connection and has fan 7, fan 7 is used for inhaling the air in the circulating line 4 in the air-supply line 5, increase air inlet efficiency, the surface of fan 7 is equipped with fixed plate 71, there is second screw 72 on the surface of fixed plate 71 through threaded connection, the other end of second screw 72 passes through the surface threaded connection of screw thread and fixed plate 71, square fixed plate 71 conveniently installs fixedly fan 7, the partition maintenance in the later stage of being convenient for.

Referring to fig. 1 and 3, the other end of the first screw 23 is connected to a sealing plate 21 through a screw, one surface of the sealing plate 21 is fixedly connected to one side of the equipment casing 1, the sealing plate 21 is used for sealing an air outlet of a room window and an exhaust fan, the structure is simple, the improvement of an equipment ventilation mode is facilitated, one surface of the air guide cover 51 is fixedly connected to one side of the equipment casing 1, the area of the air guide cover 51 is larger than that of an air inlet of the equipment casing 1, the air inlet sealing performance is improved, and the assembly, disassembly and transformation of the air inlet pipe 5 are facilitated.

The reactive power compensation device of the coastal wind power plant is mainly characterized in that the reactive power compensation device is changed from a traditional open cooling mode to a closed cooling mode, an original equipment ventilating pipeline is removed, a new exhaust pipe 2 is installed, hot air discharged from equipment is collected through the exhaust pipe 2 and then enters air treatment equipment 3 after being collected, the air treatment equipment 3 carries out cold-heat exchange to cool the hot air into cold air with the temperature meeting the running requirement of the equipment, the cold air is guided into a circulating pipeline 4 and then is guided into the front part of the equipment through the circulating pipeline 4 and an air inlet pipe 5 through a fan 7 to be circulated, the air treatment equipment 3 has the cold-heat exchange function, and therefore, an indoor air closed circulating system is controlled to carry out cooling and dehumidifying treatment on the hot air discharged from the equipment so as to meet the requirement of the cooling air during the operation of the equipment, the internal structure of the original equipment is not changed, from the ventilation circulation mode on with equipment exhaust hot-gas cooling dehumidification processing back recycle, use cycle, with this reliability of reinforcing equipment operation, can reach the safe operation of equipment, and this transformation does not produce harmful substance, do not cause the pollution to the surrounding environment, reduced the radiating emission of equipment simultaneously by a wide margin, reach cyclic utilization's purpose, this transformation has increased a quantitative air handler's energy consumption simultaneously, but because make full use of the gas that the heat dissipation produced, cyclic utilization has been reached, energy-concerving and environment-protective purpose, and through this transformation back, SVG equipment operational environment improves, the gas quality of cooling power module is big, equipment can satisfy normal operating requirement, do benefit to the popularization.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A reactive power compensation device for a coastal wind farm comprises a device shell (1), and is characterized in that: the air conditioner is characterized in that an exhaust pipe (2) is connected to one side face of the equipment shell (1) in a sealing mode, air treatment equipment (3) is fixedly installed at one end of the exhaust pipe (2), a connecting pipe (31) is fixedly connected to the other side of the air treatment equipment (3), a circulating pipeline (4) is fixedly connected to the other end of the connecting pipe (31), an air inlet pipe (5) is fixedly connected to the other end of the circulating pipeline (4), an air guide cover (51) is fixedly connected to the other end of the air inlet pipe (5), the cross section of the air inlet pipe (5) is square, a mounting plate (6) is fixedly connected to the inner wall of the air inlet pipe (5), and a fan (7) is connected to the center of the mounting plate (6) in a sealing mode.

2. The reactive power compensation device for the coastal wind power station according to claim 1, characterized in that: the fixed cover of the other end of exhaust pipe (2) has been connected with mounting plate (22), the shape of mounting plate (22) is the ring shape, there is first screw (23) on the surface of mounting plate (22) through threaded connection, and first screw (23) are annular equidistance and distribute.

3. The reactive power compensation device for the coastal wind power station according to claim 1, characterized in that: the surface of fan (7) is equipped with fixed plate (71), there is second screw (72) on the surface of fixed plate (71) through threaded connection, the other end of second screw (72) passes through the surperficial threaded connection of screw and fixed plate (71).

4. The reactive power compensation device for the coastal wind farm according to claim 2, characterized in that: the other end of the first screw (23) is connected with a sealing plate (21) through threads, and one surface of the sealing plate (21) is fixedly connected with one side surface of the equipment shell (1).

5. The reactive power compensation device for the coastal wind power station according to claim 1, characterized in that: one surface of the air guide cover (51) is fixedly connected with one side surface of the equipment shell (1), and the area of the air guide cover (51) is larger than that of an air inlet of the equipment shell (1).