CN105958797A - Radiating structure for absorption capacitor of power cabinet of wind power generation frequency converter - Google Patents
Radiating structure for absorption capacitor of power cabinet of wind power generation frequency converter Download PDFInfo
- Publication number
- CN105958797A CN105958797A CN201610415937.4A CN201610415937A CN105958797A CN 105958797 A CN105958797 A CN 105958797A CN 201610415937 A CN201610415937 A CN 201610415937A CN 105958797 A CN105958797 A CN 105958797A
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- China
- Prior art keywords
- power
- absorption
- power model
- absorption capacitance
- group
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a radiating structure for an absorption capacitor of a power cabinet of a wind power generation frequency converter. The radiating structure comprises a group of power modules which are arranged side by side, wherein a group of absorption capacitors are arranged on the side face of each power module; the back parts of the power modules are jointly mounted on the front surface of a radiating air flue; a flow-guiding cover for covering the exteriors of each group of the absorption capacitors is fixedly mounted on the side face of each power module; an absorption capacitor air flue is formed between each flow-guiding cover and the side wall of each power module; ventilating holes are formed in the front surface, corresponding to the positions of the absorption capacitors of each power module, of the radiating air flue; the horizontal front end of the absorption capacitor air flue is open; and the back end of the absorption capacitor air flue is corresponding to the ventilating holes in the front surface of the ventilating air flue. The radiating structure has the advantages of scientific and reasonable structural design, convenience in installation, and capabilities of improving the radiating effect, lowering the energy consumption of an air-inducing apparatus and prolonging the service life of the power modules.
Description
Technical field
The present invention relates to wind-power electricity generation frequency conversion device, particularly to a kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance
Radiator structure.
Background technology
Converter is requisite vitals in wind power generating set.Converter is by double-fed asynchronous wind-force
The rotor of electromotor carries out excitation so that the amplitude of stator side output voltage, frequency and the phase place of double-fed generator
Identical with electrical network, and meritorious and idle independent uneoupled control can be carried out as required.Frequency Converter Control double-fed
Asynchronous wind driven generator realizes soft grid-connected, reduces the adverse effect that motor and electrical network are caused by grid-connected dash current.
Existing converter is made up of main circuit system, distribution system and control system.Open including stator is grid-connected
Pass, rectification module, inversion module, input/output wave filter, IGBT, PLC, JCE1000-AXS electric current pass
The parts such as sensor, blower fan, active C rowbar circuit, controller, monitoring interface.Main circuit of converter system
Comprise rotor side inverter, dc bus unit, grid side commutator.Distribution system is by grid-connected catalyst, master
Chopper, relay, transformator etc. form, and self are integrated with grid-connection control system, and user need not be reconfigured at also
Net cabinet, improves level of integrated system, has saved cabin space, may also provide the 220V power supply of field adjustable in cabinet.
Control system is by high speed digital signal processor (DSP), man machine operation interface and programmable logic controller (PLC) (PLC)
Collectively form.Whole control system is equipped with uninterrupted power source (UPS), it is simple between during Voltage Drop, system has not
Disconnected service ability.
Above-mentioned each function is assigned in switch board, power cabinet, grid-connection cabinet.
Switch board: the various analog and digital signals gathered back are mainly analyzed by switch board, send control instruction,
Control the running status of current transformer.Switch board is mainly made up of Main Control Tank, PLC, wave filter, power module etc..
Power cabinet: the main transmission being responsible for rotor slip energy.Power cabinet mainly by power model, IGBT, PLC,
JCE1005-FS current sensor, blower fan, active C rowbar etc. are constituted.
Grid-connection cabinet: be mainly used in current transformer and be connected control, the adopting of number control signal with generator system and electrical network
Collection and the configuration of secondary circuit.Grid-connection cabinet mainly by chopper, catalyst, signal collecting element, UPS, add
Hot device, signaling interface part etc. are constituted.
Power model in power cabinet is usually a group the most side by side, each power model is provided with four and absorbs electricity
Hold.In power model running, Absorption Capacitance produces high temperature because of discharge and recharge, needs to be aerated heat radiation.
At present, in power cabinet, the rear portion of corresponding above-mentioned row's power model is provided with the air channel of level.One end, air channel is even
Connecing blower unit, power model is pressed close in the front in air channel, and is shaped with louvre.Blower unit is carried out by air channel
Air inducing, is aerated heat radiation to power model.At present, owing to power model volume is relatively big, blower unit needs
Higher-wattage could realize the air inducing to power model surrounding high temperature air, and the specific aim of its air inducing is not strong, not only
Energy consumption is high, and result of ventilating heat dissipation is not good enough.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of Absorption Capacitance for power model
Position carries out concentrating ventilation and heat, improves radiating effect, and the wind-power electricity generation frequency conversion device power cabinet reducing energy consumption absorbs
Electric capacity radiator structure.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure, including one group of power model side by side,
The side of each power model is mounted on one group of Absorption Capacitance, and the rear portion of power model is installed on radiation air jointly
The front in road, it is characterised in that: all it is fixed with in the side of described each power model and covers in described one group of absorption
Kuppe outside electric capacity, forms Absorption Capacitance air channel between the sidewall of kuppe and described power model, described
The position of the Absorption Capacitance of the corresponding each power model in the front of heat dissipation wind channel is all shaped with air vent, described absorption electricity
The horizontal leading ends holding air channel opens wide, and the rear end in described Absorption Capacitance air channel is made corresponding to described heat dissipation wind channel front
Air vent.
And, the upper and lower part of described kuppe is shaped with the installation edge turned up, described installation edge and power model
Side between be bolted to connection.
Advantages of the present invention and having the beneficial effect that
1, this wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure, by the absorption at each power model
Install kuppe outside electric capacity additional, it is achieved the forced heat radiation to Absorption Capacitance position, make the air inducing in air channel have more preferably
Specific aim, be effectively improved radiating effect, use less blower unit can meet heat radiation needs.
2, present configuration design science is reasonable, has and is easily installed, and improves radiating effect, reduces blower unit
Energy consumption, the advantage improving power model service life.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the axonometric chart of the present invention.
Description of reference numerals
1-power model, 2-heat dissipation wind channel, 3-Absorption Capacitance, 4-air vent, 5-kuppe, 6-install edge.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following example are illustrative, no
It is determinate, it is impossible to limit protection scope of the present invention with this.
A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure, including one group of power model 1 side by side,
The side of each power model is mounted on one group of Absorption Capacitance 3, and the rear portion of power model is installed on radiation air jointly
The front in road 2.Its innovation is: is all fixed with in the side of each power model and covers in one group of absorption electricity
Kuppe 5 outside Ronging, forms Absorption Capacitance air channel between kuppe and the sidewall of power model, heat dissipation wind channel
The position of the Absorption Capacitance of the corresponding each power model in front is all shaped with air vent 4, before the level in Absorption Capacitance air channel
End opens wide, and the rear end in Absorption Capacitance air channel corresponds to the air vent that heat dissipation wind channel front is made.Kuppe upper,
Bottom is shaped with the installation turned up along 6, described install along and the side of power model between be bolted to connection.
The present invention is by installing kuppe additional outside the Absorption Capacitance of each power model, it is achieved to Absorption Capacitance portion
The forced heat radiation of position, makes the air inducing in air channel have more preferably specific aim, is effectively improved radiating effect, use less
Blower unit can meet heat radiation needs.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, but those skilled in the art being permissible
Understand: without departing from the present invention and spirit and scope of the appended claims, various replacements, change and modifications
Being all possible, therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (2)
1. a wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure, including one group of power model side by side,
The side of each power model is mounted on one group of Absorption Capacitance, and the rear portion of power model is installed on radiation air jointly
The front in road, it is characterised in that: all it is fixed with in the side of described each power model and covers in described one group of absorption
Kuppe outside electric capacity, forms Absorption Capacitance air channel between the sidewall of kuppe and described power model, described
The position of the Absorption Capacitance of the corresponding each power model in the front of heat dissipation wind channel is all shaped with air vent, described absorption electricity
The horizontal leading ends holding air channel opens wide, and the rear end in described Absorption Capacitance air channel is made corresponding to described heat dissipation wind channel front
Air vent.
A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure the most according to claim 1, its
It is characterised by: the upper and lower part of described kuppe is shaped with the installation edge turned up, described installation edge and power model
Side between be bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415937.4A CN105958797B (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415937.4A CN105958797B (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958797A true CN105958797A (en) | 2016-09-21 |
| CN105958797B CN105958797B (en) | 2019-08-02 |
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| CN201610415937.4A Active CN105958797B (en) | 2016-06-13 | 2016-06-13 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649773A (en) * | 2018-03-30 | 2018-10-12 | 北京金风科创风电设备有限公司 | Converter system, heat dissipation device and wind generating set |
| CN108667270A (en) * | 2018-03-30 | 2018-10-16 | 北京金风科创风电设备有限公司 | Converter system, heat dissipation device and wind generating set |
| CN109474188A (en) * | 2018-12-29 | 2019-03-15 | 徐州中矿大传动与自动化有限公司 | Three level high-voltage high-power water-cooling frequency convertor system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002025703A2 (en) * | 2000-09-20 | 2002-03-28 | Ecostar Electric Drive Systems L.L.C. | Substrate-level dc bus design to reduce module inductance |
| CN202260975U (en) * | 2011-09-09 | 2012-05-30 | 杭州优迈科技有限公司 | Radiating structure of frequency converter |
| CN204179929U (en) * | 2014-11-11 | 2015-02-25 | 深圳市永联科技有限公司 | A kind of power model group with unique heat dissipation wind channel structure |
| CN205847060U (en) * | 2016-06-13 | 2016-12-28 | 天津瑞能电气有限公司 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
-
2016
- 2016-06-13 CN CN201610415937.4A patent/CN105958797B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002025703A2 (en) * | 2000-09-20 | 2002-03-28 | Ecostar Electric Drive Systems L.L.C. | Substrate-level dc bus design to reduce module inductance |
| CN202260975U (en) * | 2011-09-09 | 2012-05-30 | 杭州优迈科技有限公司 | Radiating structure of frequency converter |
| CN204179929U (en) * | 2014-11-11 | 2015-02-25 | 深圳市永联科技有限公司 | A kind of power model group with unique heat dissipation wind channel structure |
| CN205847060U (en) * | 2016-06-13 | 2016-12-28 | 天津瑞能电气有限公司 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649773A (en) * | 2018-03-30 | 2018-10-12 | 北京金风科创风电设备有限公司 | Converter system, heat dissipation device and wind generating set |
| CN108667270A (en) * | 2018-03-30 | 2018-10-16 | 北京金风科创风电设备有限公司 | Converter system, heat dissipation device and wind generating set |
| CN108667270B (en) * | 2018-03-30 | 2020-04-14 | 北京金风科创风电设备有限公司 | Converter system, heat dissipation device and wind generating set |
| CN109474188A (en) * | 2018-12-29 | 2019-03-15 | 徐州中矿大传动与自动化有限公司 | Three level high-voltage high-power water-cooling frequency convertor system |
| CN109474188B (en) * | 2018-12-29 | 2024-03-15 | 江苏国传电气有限公司 | Three-level high-voltage high-power water-cooling frequency converter system |
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| Publication number | Publication date |
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| CN105958797B (en) | 2019-08-02 |
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Effective date of registration: 20230712 Address after: No. 100, Hangtian Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai, Tianjin 300450 Patentee after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd. Address before: No. 1, Xinghua Qizhi Road, Xiqing District, Tianjin 300385 Patentee before: Tianjin Ruineng electric Co.,LTD. |
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