CN210431209U - Water-cooled wind power converter - Google Patents
Water-cooled wind power converter Download PDFInfo
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- CN210431209U CN210431209U CN201921863506.XU CN201921863506U CN210431209U CN 210431209 U CN210431209 U CN 210431209U CN 201921863506 U CN201921863506 U CN 201921863506U CN 210431209 U CN210431209 U CN 210431209U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The utility model discloses a water-cooling wind power converter, which comprises a switch cabinet, a control cabinet and a power cabinet; a power unit, a filtering unit and a first water-cooling heat exchange unit are arranged in the power cabinet; a first air inlet channel is formed at the air outlet of the first water-cooling heat exchange unit, the interior of the power unit and one side of the power unit, a first air return channel is formed at the other side of the power unit, and the first air inlet channel and the first air return channel are communicated at the top of the power unit to form a first circulating air duct; a second air inlet channel is formed in the air outlet of the first water-cooling heat exchange unit, the interior of the filtering unit and one side of the filtering unit, a second air return channel is formed on the other side of the filtering unit, and the second air inlet channel and the second air return channel are communicated at the bottom of the filtering unit to form a second circulating air channel; the first water-cooling heat exchange unit is used for being connected with an external heat exchange unit to form a water-cooling heat dissipation circulation channel. The utility model discloses a converter has advantages such as rationally distributed, compatible high, the radiating effect is good.
Description
Technical Field
The utility model relates to a water-cooling type wind-powered electricity generation converter is refered in particular to in main wind power generation technical field.
Background
At present, in the wind power industry, in the aspect of compatibility design of a converter cabinet, due to diversified requirements of owners in the wind power industry, different areas and different wind field conditions and different power distribution requirements of the owners, transformers with different capacities need to be configured to meet the power distribution requirements of the different owners, the converter needs to be subjected to deformation design, the design workload is increased, and the product lead period is prolonged. With the development of the technology, the power of the wind power generation is increased, the wind power converter is generally arranged on a platform at the bottom of a tower, the space is limited, and the wind power converter is required to have high power density, high reliability and high maintainability. In addition, the wind power converter is generally installed in a tower cylinder, the installation space of the tower cylinder is limited, and the heat of the converter is directly discharged into the tower cylinder in a traditional air cooling heat dissipation mode, so that the operation environment of the converter can be influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a water-cooling type wind-powered electricity generation converter that rationally distributed, radiating effect are good.
In order to solve the technical problem, the utility model provides a technical scheme does:
a water-cooled wind power converter comprises a switch cabinet, a control cabinet and a power cabinet; the upper part of the power cabinet is provided with a power unit, the lower part of the power cabinet is provided with a filtering unit, and the middle part of the power cabinet is provided with a first water-cooling heat exchange unit;
a first air inlet channel is formed in the air outlet of the first water-cooling heat exchange unit, the interior of the power unit and one side of the power unit, a first air return channel is formed on the other side of the power unit and the air inlet of the first water-cooling heat exchange unit, and the first air inlet channel and the first air return channel are communicated at the top of the power unit to form a first circulating air channel;
a second air inlet channel is formed in the air outlet of the first water-cooling heat exchange unit, the interior of the filtering unit and one side of the filtering unit, a second air return channel is formed on the other side of the filtering unit and the air inlet of the first water-cooling heat exchange unit, and the second air inlet channel and the second air return channel are communicated at the bottom of the filtering unit to form a second circulating air channel;
the first water-cooling heat exchange unit is used for being connected with an external heat exchange unit to form a water-cooling heat dissipation circulation channel.
As a further improvement of the above technical solution:
the switch cabinet and the control cabinet are arranged adjacently; an air return hole is formed in the middle of a cabinet plate between the switch cabinet and the control cabinet, a second water-cooling heat exchange unit is arranged at the air return hole, and circulating air holes are formed in the top and the bottom of the cabinet plate between the switch cabinet and the control cabinet;
the air outlet of the second water-cooling heat exchange unit and the upper part of the control cabinet form a third air inlet channel, the upper space of the switch cabinet and the air inlet of the second water-cooling heat exchange unit form a third air return channel, and the third air inlet channel and the third air return channel are communicated with a circulating air hole in the upper part of the cabinet plate to form a third circulating air duct;
the air outlet of the second water-cooling heat exchange unit and the lower part of the control cabinet form a fourth air inlet channel, the lower space of the switch cabinet and the air inlet of the second water-cooling heat exchange unit form a fourth air return channel, and the fourth air inlet channel and the fourth air return channel are communicated with a circulating air hole at the lower part of the cabinet plate to form a fourth circulating air channel;
and the second water-cooling heat exchange unit is used for being connected with an external heat exchange unit to form a water-cooling heat dissipation circulation channel.
After the first water-cooling heat exchange unit and the second water-cooling heat exchange unit are mutually connected in series or in parallel, the first water-cooling heat exchange unit and the second water-cooling heat exchange unit are connected with an external heat exchange unit and comprise one or more water-cooling heat exchange modules.
And a circulating fan is arranged at the circulating air hole at the top and/or the bottom of the cabinet plate between the switch cabinet and the control cabinet.
The first air inlet channel is positioned inside and on the front side of the power unit, and the first air return channel is positioned on the back side of the power unit; the second air inlet channel is located inside and on the front side of the filtering unit, and the second air return channel is located on the back side of the filtering unit.
From last to having arranged stator wiring district, stator contactor, pre-charge unit, electric wire netting circuit breaker and electric wire netting contact zone down in proper order in the cubical switchboard.
The top of switch board is provided with the UPS power, and the middle part is provided with electric plate, net side contactor, filter capacitor unit and quick-acting fuse, and the bottom is provided with control wiring district and external power supply unit.
The power cabinet is provided with a chopping unit and a chopping resistor at the top of the power unit, and the filtering unit comprises a network side filtering unit and a machine side filtering unit.
The water-cooling heat exchange system is characterized in that a water outlet unit is arranged on the upper portion of the power cabinet, a water inlet unit is arranged on the lower portion of the power cabinet, and the first water-cooling heat exchange unit and the second water-cooling heat exchange unit are connected with the heat exchange unit through the water inlet unit and the water outlet unit.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a water-cooling type wind-powered electricity generation converter adopts the water-cooling heat dissipation mode, and the whole cabinet protection level is high, and environmental suitability is strong, and main heating device (power unit, heat transfer unit etc.) adopts water-cooling heat dissipation, and its cubical switchboard and switch board and power cabinet respectively adopt a wind channel to realize the heat dissipation to each cabinet internal non-water-cooling device, and the device overall arrangement is compact, and the heat dissipation mode is simple, and is low to fan performance requirement, and the deformation design is simple, can correspond market demand fast; the water-cooling heat dissipation mode is adopted, heat is taken out of the tower drum through circulating water, and the influence of heat dissipation of the converter on the environment in the tower drum is reduced to the maximum extent; the water cooling heat dissipation mode has higher efficiency, and can meet the requirements of increasing fan power on the converter; additionally the utility model discloses a water-cooled type converter has high compatibility, and the heat dissipation cover face is wide, can simply respond the heat dissipation demand fast, shortens the deformation development cycle, and the multi-field borrowability is strong.
The utility model discloses a water-cooling type wind-powered electricity generation converter constitutes a circulation radiating element between cubical switchboard and the switch board, and the power cabinet constitutes a circulation radiating element alone, and each circulation radiating element divide equally into two little circulation wind channels from top to bottom, and for the preceding single big circulation wind channel, the internal heat dissipation of cabinet is more even, effectively avoids the local temperature rise too high condition that the device accumulation caused; meanwhile, each small circulating air duct has a shorter path and smaller wind loss, and is beneficial to the model selection of the fan and the layout design of devices in the cabinet body.
The utility model discloses a water-cooling type wind power converter, on overall structure overall arrangement, design into cubical switchboard, switch board and power cabinet according to the functional partitioning, each cabinet adopts the functional module ization design, and the external interface is unanimous, can realize three big functional areas configuration management, promotes product market response speed; through the layout of the cabinets, the quick compatible design can be realized, and the research and development period is greatly shortened; in order to respond to the design of different transformer requirements, the external power supply unit interface is designed in a modularized mode, and the market requirements can be responded quickly under the condition that the structure is not changed.
Drawings
Fig. 1 is a front view of the present invention according to a first embodiment.
Fig. 2 is a rear view of the present invention according to the first embodiment.
Fig. 3 is a schematic front air circulation diagram of the switch cabinet and the control cabinet according to the first embodiment of the present invention.
Fig. 4 is a schematic diagram of the back air circulation of the switch cabinet and the control cabinet according to the first embodiment of the present invention.
Fig. 5 is a schematic front air circulation diagram of the power cabinet according to the first embodiment of the present invention.
Fig. 6 is a schematic diagram of the back air circulation of the power cabinet according to the first embodiment of the present invention.
Fig. 7 is a schematic side air circulation diagram of the power cabinet according to the first embodiment of the present invention.
Fig. 8 is a front view of the present invention according to the second embodiment.
Fig. 9 is a rear view of the present invention according to the second embodiment.
Fig. 10 is a schematic front air circulation diagram of the switch cabinet and the control cabinet according to the second embodiment of the present invention.
Fig. 11 is a schematic diagram of the back air circulation of the switch cabinet and the control cabinet according to the second embodiment of the present invention.
Fig. 12 is a schematic front air circulation diagram of the power cabinet according to the second embodiment of the present invention.
Fig. 13 is a schematic diagram of the back air circulation of the power cabinet according to the second embodiment of the present invention.
Fig. 14 is a schematic side air circulation diagram of the power cabinet according to the second embodiment of the present invention.
The reference numbers in the figures denote: 1. a switch cabinet; 2. a control cabinet; 3. a power cabinet; 4. a first circulating air duct; 5. a second circulating air duct; 6. a third circulating air duct; 7. a fourth circulating air duct; 8. a circulating air hole; 9. a circulating fan; 10. a water inlet unit; 11. a water outlet unit; 12. a first water-cooled heat exchange unit; 13. and the second water-cooling heat exchange unit.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 3, the water-cooling wind power converter of the embodiment includes a switch cabinet 1, a control cabinet 2 and a power cabinet 3, wherein the switch cabinet 1 and the control cabinet 2 are adjacently arranged; a stator wiring area, a stator contactor, a pre-charging unit, a power grid circuit breaker and a power grid contact area are sequentially arranged in the switch cabinet 1 from top to bottom; the top of the control cabinet 2 is provided with a UPS power supply, the middle part is provided with an electric plate, a network side contactor, a filter capacitor unit and a fast fuse, and the bottom is provided with a control wiring area and an external power supply unit; the upper portion of power cabinet 3 is provided with power unit, and the lower part is provided with filtering unit, and the middle part is provided with first water-cooling heat transfer unit 12, and power cabinet 3 is provided with chopper unit and chopper resistance in addition at power unit's top, and filtering unit includes net side filtering unit and machine side filtering unit, is provided with rotor wiring district on the machine side filtering unit. On the overall structural layout of the wind power converter, the switch cabinet 1, the control cabinet 2 and the power cabinet 3 are designed according to functional partitions, and the cabinets are in a functional modular design and have consistent external interfaces, so that the configuration management of three functional partitions can be realized, and the product market response speed is improved; through the layout of the cabinets, the quick compatible design can be realized, and the research and development period is greatly shortened; in order to respond to the design of different transformer requirements, the external power supply unit interface is designed in a modularized mode, and the market requirements can be responded quickly under the condition that the structure is not changed.
As shown in fig. 5 to 7, in this embodiment, a first air inlet channel is formed between the air outlet of the first water-cooled heat exchange unit 12 and the inside of the power unit and one side of the power unit, a first air return channel is formed between the other side of the power unit and the air inlet of the first water-cooled heat exchange unit 12, the first air inlet channel and the first air return channel are communicated with each other at the top of the power unit to form a first circulation air duct 4, the heat in the power module, the chopper unit and the chopper resistor is absorbed by the air circulation in the first circulation air duct 4, and then enters the air inlet of the first water-cooling heat exchange unit 12 through the first air return channel, heat is exchanged in the first water-cooling heat exchange unit 12, the heat is transferred to a cooling medium (such as cooling water) in the first water-cooling heat exchange unit 12, and the air is cooled and circulated again, so that the power unit, the chopper unit and the chopper resistor are cooled.
In addition, a second air inlet channel is formed by the air outlet of the first water-cooling heat exchange unit 12, the interior of the filtering unit and one side of the filtering unit, a second air return channel is formed by the other side of the filtering unit and the air inlet of the first water-cooling heat exchange unit 12, and the second air inlet channel and the second air return channel are communicated with each other at the top of the filtering unit to form a second circulating air duct 5; through the air circulation in the second circulation wind channel 5, get into the air intake of first water-cooling heat transfer unit 12 with the heat in net side filter unit, machine side filter unit and the rotor inlet wire district through second return air passageway, carry out the heat transfer in first water-cooling heat transfer unit 12, heat transfer to the cooling medium (like the cooling water) in first water-cooling heat transfer unit 12, the air then is cooled off, circulates once more to realize filter unit's cooling.
As shown in fig. 5 to 7, in the embodiment, the first air intake channel is located inside and on the front surface of the power unit, and the first air return channel is located on the back surface of the power unit; the second air inlet channel is located inside and on the front side of the filtering unit, and the second air return channel is located on the back side of the filtering unit. The upper portion of power cabinet 3 is provided with water outlet unit 11, the lower part of power cabinet 3 is provided with water inlet unit 10, water inlet unit 10 and water outlet unit 11 are the quick-connect interface, first water-cooling heat transfer unit 12 links to each other with heat transfer unit (like heat exchanger) through water inlet unit 10 and water outlet unit 11, cold water through in the first water-cooling heat transfer unit 12 absorbs the heat in the power cabinet 3, send to external heat exchanger through water outlet unit 11 after becoming hot water, take away the heat in the hot water through heat exchanger, become cold water after the heat, get into first water-cooling heat transfer unit 12 through water inlet unit 10 again, get into new radiating circulation to this forms water-cooling heat dissipation system. The water outlet unit 11 is located on the upper portion of the water inlet unit 10, and is beneficial to exhaust of the water-cooling heat dissipation system.
As shown in fig. 3 and 4, an air return hole is formed in the middle of a cabinet plate between the switch cabinet 1 and the control cabinet 2, a second water-cooling heat exchange unit 13 is arranged at the air return hole, circulating air holes 8 are formed in the top and bottom of the cabinet plate between the switch cabinet 1 and the control cabinet 2, and circulating fans 9 are arranged on the circulating air holes 8; a third air inlet channel is formed by the air outlet of the second water-cooling heat exchange unit 13 and the upper part of the control cabinet 2, a third air return channel is formed by the upper space of the switch cabinet 1 and the air inlet of the second water-cooling heat exchange unit 13, and the third air inlet channel and the third air return channel are communicated with a circulating air hole 8 in the upper part of the cabinet plate to form a third circulating air duct 6; through the air circulation in the third circulation wind channel 6, absorb the heat of each part (including the electric plate, filter capacitor unit, quick-acting fuse and UPS power etc.) on 2 upper portions of switch board after, blow in to third return air passageway through circulating fan 9 on the circulation wind hole 8 on upper portion, absorb the heat of stator contactor, stator wiring district again after, carry out the heat transfer in second water-cooling heat transfer unit 13, heat transfer is to the cooling medium (like the cooling water) in the second water-cooling heat transfer unit 13, the air is then cooled off, circulate once more.
In addition, a fourth air inlet channel is formed by an air outlet of the second water-cooling heat exchange unit 13 and the lower part of the control cabinet 2, a fourth air return channel is formed by the lower space of the switch cabinet 1 and an air inlet of the second water-cooling heat exchange unit 13, and the fourth air inlet channel and the fourth air return channel are communicated with a circulating air hole 8 at the lower part of the cabinet plate to form a fourth circulating air channel 7; through the air circulation in the fourth circulation wind channel 7, absorb the back with the heat of 2 lower part parts of switch board (including net side contactor and external power supply unit etc.), blow in to fourth return air passageway through circulating fan 9 on the circulating air hole 8 of lower part, absorb the back with the heat of electric wire netting wiring district and electric wire netting circuit breaker again, carry out the heat transfer in second water-cooling heat transfer unit 13, heat transfer is to the cooling medium (like the cooling water) in the second water-cooling heat transfer unit 13, the air then is cooled off, circulate once more.
In this embodiment, the second water-cooling heat exchange unit 13 is connected to a heat exchange unit (e.g., a heat exchanger) through the water inlet unit 10 and the water outlet unit 11, and absorbs heat in the switch cabinet 1 and the control cabinet 2 through cold water in the second water-cooling heat exchange unit 13, and the heat is changed into hot water and then sent to an external heat exchanger through the water outlet unit 11, and the heat in the hot water is taken away by the heat exchanger, and the hot water is changed into cold water and then enters the second water-cooling heat exchange unit 13 through the water inlet unit 10 to enter a new heat dissipation cycle, thereby forming a water-cooling heat dissipation system. In addition, the first water-cooling heat exchange unit 12 and the second water-cooling heat exchange unit 13 are arranged in parallel, and are independent from each other without mutual influence. Of course, in other embodiments, the first water-cooled heat exchange unit 12 and the second water-cooled heat exchange unit 13 may be selectively arranged in series according to specific heat dissipation conditions.
In this embodiment, the first water-cooling heat exchange unit 12 includes two water-cooling heat exchange modules; the second water-cooling heat exchange unit 13 includes a water-cooling heat exchange module, and each water-cooling heat exchange module includes a heat dissipation fan and a conventional water-cooling module. Of course, in other embodiments, a suitable number of water-cooling heat exchange modules may be selected according to actual heat dissipation capacity and other conditions.
A circulating heat dissipation unit is formed between the switch cabinet 1 and the control cabinet 2, the power cabinet 3 independently forms a circulating heat dissipation unit, each circulating heat dissipation unit is divided into an upper small circulating air duct and a lower small circulating air duct, compared with the previous single circulating air duct, the heat dissipation in the cabinet body is more uniform, and the situation of overhigh local temperature rise caused by accumulation of devices is effectively avoided; meanwhile, each small circulating air duct has a shorter path and smaller wind loss, and is beneficial to the model selection of the fan and the layout design of devices in the cabinet body.
The cabinet bodies are all in a water-cooling heat dissipation mode, the inside and the outside of the cabinet bodies are completely isolated, and the influence of the external environment change (such as dust and the like) of the cabinet bodies on devices in the cabinet bodies can be effectively avoided; the heat dissipation efficiency of the water cooling heat dissipation mode is higher than that of the air cooling heat dissipation mode, the improvement of the power density of the whole cabinet is facilitated, the requirement on the installation environment is reduced, and the product environment adaptability is stronger.
The utility model discloses a water-cooling type wind power converter adopts the water-cooling heat dissipation mode, and the whole cabinet protection level is high, and environmental suitability is strong, and main heating device (such as power unit, heat transfer unit etc.) adopts water-cooling heat dissipation, and its cubical switchboard 1 and switch board 2, power cabinet 3 respectively adopt an air duct to realize dispelling the heat to each internal non-water-cooling device of cabinet, and the device overall arrangement is compact, and the heat dissipation mode is simple, and is low to fan performance requirement, and the deformation design is simple, can correspond market demand fast; the water-cooling heat dissipation mode is adopted, heat is taken out of the tower drum through circulating water, and the influence of heat dissipation of the converter on the internal environment of the tower drum is reduced to the maximum extent; the water cooling heat dissipation mode has higher efficiency, and can meet the requirements of increasing fan power on the converter; additionally the utility model discloses a water-cooled type converter has high compatibility, and the heat dissipation cover face is wide, can the quick response heat dissipation demand, shortens deformation development cycle, and the multi-field borrowability is strong.
Example two:
as shown in fig. 8 to 14, the present embodiment differs from the first embodiment only in that: a circulating fan 9 is not arranged on a circulating air hole 8 on a cabinet plate between the switch cabinet 1 and the control cabinet 2, and a set of water-cooling heat exchange module is adopted by the first water-cooling heat exchange unit 12, so that the heat dissipation requirements for different power grades are met. Other details are the same as those in the first embodiment and are not described herein again.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A water-cooling type wind power converter is characterized by comprising a switch cabinet (1), a control cabinet (2) and a power cabinet (3); the upper part of the power cabinet (3) is provided with a power unit, the lower part of the power cabinet is provided with a filtering unit, and the middle part of the power cabinet is provided with a first water-cooling heat exchange unit (12);
a first air inlet channel is formed in the air outlet of the first water-cooling heat exchange unit (12), the interior of the power unit and one side of the power unit, a first air return channel is formed in the other side of the power unit and the air inlet of the first water-cooling heat exchange unit (12), and the first air inlet channel and the first air return channel are communicated at the top of the power unit to form a first circulating air channel (4);
a second air inlet channel is formed in the air outlet of the first water-cooling heat exchange unit (12), the interior of the filtering unit and one side of the filtering unit, a second air return channel is formed in the other side of the filtering unit and the air inlet of the first water-cooling heat exchange unit (12), and the second air inlet channel and the second air return channel are communicated with each other at the bottom of the filtering unit to form a second circulating air channel (5);
the first water-cooling heat exchange unit (12) is used for being connected with an external heat exchange unit to form a water-cooling heat dissipation circulation channel.
2. The water-cooled wind power converter according to claim 1, characterized in that the switch cabinet (1) and the control cabinet (2) are arranged adjacently; an air return hole is formed in the middle of a cabinet plate between the switch cabinet (1) and the control cabinet (2), a second water-cooling heat exchange unit (13) is arranged at the air return hole, and circulating air holes (8) are formed in the top and bottom of the cabinet plate between the switch cabinet (1) and the control cabinet (2);
a third air inlet channel is formed by the air outlet of the second water-cooling heat exchange unit (13) and the upper part of the control cabinet (2), a third air return channel is formed by the upper space of the switch cabinet (1) and the air inlet of the second water-cooling heat exchange unit (13), and the third air inlet channel and the third air return channel are communicated with a circulating air hole (8) in the upper part of the cabinet plate to form a third circulating air duct (6);
a fourth air inlet channel is formed by the air outlet of the second water-cooling heat exchange unit (13) and the lower part of the control cabinet (2), a fourth air return channel is formed by the lower space of the switch cabinet (1) and the air inlet of the second water-cooling heat exchange unit (13), and the fourth air inlet channel and the fourth air return channel are communicated with a circulating air hole (8) in the lower part of the cabinet plate to form a fourth circulating air channel (7);
and the second water-cooling heat exchange unit (13) is used for being connected with an external heat exchange unit to form a water-cooling heat dissipation circulation channel.
3. The water-cooling type wind power converter according to claim 2, wherein the first water-cooling heat exchange unit (12) and the second water-cooling heat exchange unit (13) are connected in series or in parallel and then connected with an external heat exchange unit.
4. The water-cooled wind power converter according to claim 3, characterized in that the first and second water-cooled heat exchange units (12, 13) comprise one or more water-cooled heat exchange modules.
5. The water-cooled wind power converter according to claim 2, 3 or 4, characterized in that a circulating fan (9) is arranged at the circulating air hole (8) at the top and/or bottom of the cabinet plate between the switch cabinet (1) and the control cabinet (2).
6. The water-cooled wind power converter according to any one of claims 1 to 4, wherein the first air intake channel is located inside and on the front side of the power unit, and the first air return channel is located on the back side of the power unit; the second air inlet channel is located inside and on the front side of the filtering unit, and the second air return channel is located on the back side of the filtering unit.
7. A water-cooled wind power converter according to any of claims 1 to 4, characterized in that a stator wiring area, a stator contactor, a pre-charging unit, a grid breaker and a grid contact area are arranged in the switch cabinet (1) from top to bottom in sequence.
8. A water-cooled wind power converter according to any one of claims 1 to 4, characterized in that the top of the control cabinet (2) is provided with a UPS power supply, the middle is provided with an electric board, a grid-side contactor, a filter capacitor unit and a fast-acting fuse, and the bottom is provided with a control wiring area and an external power supply unit.
9. The water-cooled wind power converter according to any one of claims 1 to 4, characterized in that the power cabinet (3) is provided with a chopper unit and a chopper resistor at the top of the power unit, and the filter unit comprises a grid-side filter unit and a machine-side filter unit.
10. The water-cooling type wind power converter according to any one of claims 2 to 4, wherein a water outlet unit (11) is arranged at the upper part of the power cabinet (3), a water inlet unit (10) is arranged at the lower part of the power cabinet (3), and the first water-cooling heat exchange unit (12) and the second water-cooling heat exchange unit (13) are connected with the heat exchange unit through the water inlet unit (10) and the water outlet unit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863506.XU CN210431209U (en) | 2019-10-31 | 2019-10-31 | Water-cooled wind power converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863506.XU CN210431209U (en) | 2019-10-31 | 2019-10-31 | Water-cooled wind power converter |
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| CN210431209U true CN210431209U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113660836A (en) * | 2021-08-17 | 2021-11-16 | 远景能源有限公司 | Converter internal heat dissipation system |
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2019
- 2019-10-31 CN CN201921863506.XU patent/CN210431209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113660836A (en) * | 2021-08-17 | 2021-11-16 | 远景能源有限公司 | Converter internal heat dissipation system |
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