CN205029553U - Wave filter and wind generating set - Google Patents

Wave filter and wind generating set Download PDF

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Publication number
CN205029553U
CN205029553U CN201520755182.3U CN201520755182U CN205029553U CN 205029553 U CN205029553 U CN 205029553U CN 201520755182 U CN201520755182 U CN 201520755182U CN 205029553 U CN205029553 U CN 205029553U
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CN
China
Prior art keywords
filter
differential mode
installing frame
board
pusher
Prior art date
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Active
Application number
CN201520755182.3U
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Chinese (zh)
Inventor
周全增
李宁
刘琳
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Beijing Etechwin Electric Co Ltd
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Beijing Etechwin Electric Co Ltd
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Application filed by Beijing Etechwin Electric Co Ltd filed Critical Beijing Etechwin Electric Co Ltd
Priority to CN201520755182.3U priority Critical patent/CN205029553U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects

Abstract

The utility model provides a wave filter and wind generating set. This wave filter includes: the installing frame, the differential mode reactor group, including three differential mode reactor, each differential mode reactor all set up on the installing frame and two adjacent differential mode reactors between the line constitute triangle -shaped, the inlet wire connecting piece is connected with the differential mode reactor group, the common mode magnetic ring sets up on the installing frame, and is located one side of the length direction of differential mode reactor, and the inlet wire connecting piece passes the common mode magnetic ring. This wave filter is small, and occupation space is little.

Description

Filter and wind turbine generator
Technical field
The utility model relates to field of wind power equipment, particularly relates to a kind of filter and wind turbine generator.
Background technology
The Main Function of pusher side filter in wind turbine generator suppresses differential mode voltage, common-mode voltage and pusher side value, to guarantee generator and system reliability service.The usual way realizing this effect is absorption resistance in parallel at the two ends of reactor.Because pusher side filter introduces resistance, the demand that filter dispels the heat certainly will be brought.
Existing pusher side filter adopts the mode of natural heat dissipation, is namely dispelled the heat by air transmitted heat.This radiating mode makes pusher side filter need enough heat-dissipating spaces, causes the bulky problem of pusher side filter.As illustrated in fig. 1 and 2, the structure of existing pusher side filter is, differential mode reactor 2 ' and common mode reactor 7 ' are arranged on the left and right sides of framework respectively, connected by copper bar between the two, because both middle wares are apart from large, position arranges unreasonable, copper bar use amount is increased, framework is coated with cover plate.
In order to guarantee to meet radiating requirements, the cover plate of pusher side filter offers many louvres, this makes IP (INGRESSPROTECTION, the ingress protection) degree of protection of pusher side filter reduce.And the volume of differential mode reactor 2 ' and common mode reactor 7 ' is all very large, and need to leave heat-dissipating space, cause the volume of pusher side filter large, current transformer outside must be arranged separately in, cause the problem that space availability ratio is not high.Moreover because heat dissipation capacity during its work is large, when causing work, working site temperature is high, also needs to carry out heat insulation protection in working site, adds the triviality of work.In addition, the integrally-built center of gravity of pusher side filter is not placed in the middle, causes hoisting process inconvenient, installs difficulty.
Utility model content
Embodiment of the present utility model provides a kind of filter and wind turbine generator, to take up room large problem to solve filter.
For achieving the above object, embodiment of the present utility model provides a kind of filter, comprising: installing frame; Differential mode Reactor banks, comprises three differential mode reactors, and each differential mode reactor is all arranged on installing frame and line between adjacent two differential mode reactors forms triangle; Inlet wire connector, is connected with differential mode Reactor banks; Common mode magnet ring, is arranged on installing frame, and is positioned at the side of the length direction of differential mode reactor, and inlet wire connector is through common mode magnet ring.
Further, inlet wire connector is arranged on the top of installing frame, and filter also comprises wire connections, goes out the bottom that wire connections is arranged on installing frame, and is connected with differential mode Reactor banks.
Further, installing frame comprises: column, and it is four and interval arranges and forms rectangle; Top board, is arranged on the top of four columns, and common mode magnet ring is arranged on top board; Intermediate support plate, is arranged on the middle part of four columns, and differential mode reactor to be arranged on intermediate support plate and to extend on top board.
Further, top board is provided with hoisting ring, hoisting ring is 4 and is positioned at the drift angle place of top board.
Further, top board is provided with at least one first ventilation hole, first ventilation hole runs through top board along the thickness direction of top board, and intermediate support plate is provided with at least one second ventilation hole, the second ventilation hole runs through intermediate support plate along the thickness direction of intermediate support plate.
Further, common mode magnet ring is the common mode magnet ring of non-crystalline material.
Further, filter also comprises assembling device, and assembling device is arranged in shielding box, and shielding box is arranged on the side of installing frame.
According to another aspect of the present utility model, provide a kind of wind turbine generator, comprise pusher side filter, pusher side filter is above-mentioned filter.
Further, wind turbine generator also comprises converter cabinet, and pusher side filter is arranged in converter cabinet.
Further, converter cabinet has cabinet door, and the shielding box of pusher side filter is positioned at the side towards cabinet door of pusher side filter.
Differential mode reactor is triangularly arranged minimizing space hold by the filter of embodiment of the present utility model, and then reduces the volume of filter and ensure radiating effect.
Accompanying drawing explanation
Fig. 1 is the perspective view of filter of the prior art;
Fig. 2 is the front view of the filter in Fig. 1;
The perspective view of the filter of Fig. 3 embodiment of the present utility model;
Fig. 4 is the front view of the filter of embodiment of the present utility model;
Fig. 5 be B-B in Fig. 4 to cutaway view;
Fig. 6 is the perspective view of the installing frame of the filter of embodiment of the present utility model;
Fig. 7 is the vertical view of the top board of the filter of embodiment of the present utility model;
Fig. 8 is the vertical view of the intermediate support plate of the filter of embodiment of the present utility model;
Fig. 9 is the schematic diagram of the filter of embodiment of the present utility model.
Description of reference numerals:
1, inlet wire connector; 2, differential mode reactor; 2 ', differential mode reactor of the prior art; 4, installing frame; 41, column; 42, top board; 421, the first ventilation hole; 44, hoisting ring; 43, intermediate support plate; 431, the second ventilation hole; 45, bottom support frame; 5, wire connections is gone out; 6, shielding box; 7, common mode magnet ring; 7 ', common mode reactor; 8, support.
Embodiment
Below in conjunction with accompanying drawing, the filter of the utility model embodiment and wind turbine generator are described in detail.
As shown in Fig. 3, Fig. 4 and Fig. 9, according to embodiment of the present utility model, filter comprises installing frame 4, differential mode Reactor banks, inlet wire connector 1 and common mode magnet ring 7.
Wherein, installing frame 4, for installing other parts, thinks that other parts provide support.Differential mode Reactor banks and common mode magnet ring 7 are for realizing the filter function of filter, and wherein differential mode Reactor banks comprises three differential mode reactors 2, and each differential mode reactor 2 is a phase, to form three-phase.Each differential mode reactor 2 is all arranged on installing frame 4 and line between adjacent two differential mode reactors 2 forms triangle, expand the spacing between differential mode reactor 2 thus, meet radiating requirements, also avoid in prior art simultaneously and adopt the large problem that takes up room caused of linearly arranging.Common mode magnet ring 7 is arranged on installing frame 4, and is positioned at the side of the length direction of differential mode reactor 2, can effectively utilize space like this, reduces volume.Inlet wire connector 1 is connected with differential mode reactor 2 through after common mode magnet ring 7, and inlet wire connector 1 is as the end of incoming cables of filter and other model calling.
The principle that filter of the present utility model realizes reducing volume is: the three-phase setting triangular in shape of differential mode reactor 2, and common mode magnet ring 7 is arranged on the side of the length direction of differential mode reactor 2, inlet wire connector 1 is connected with differential mode reactor 2 through common mode magnet ring 7, common mode magnet ring 7 and differential mode reactor 2 is made to take up room less, be only 1/3rd sizes of original filter, the copper bar use amount that filter connects is less, the structure of whole filter is compacter, take up room less, and radiating effect is better.In the present embodiment, filter also comprises wire connections 5, for being connected with other parts, going out wire connections 5 and using as the outlet terminal of filter.In other embodiments, filter can not set out wire connections 5 and is directly connected with differential mode reactor 2 by other parts.
Particularly, inlet wire connector 1 and go out wire connections 5 and be connection copper bar.Inlet wire connector 1 is arranged on the top of installing frame 4, goes out the bottom that wire connections 5 is arranged on installing frame 4.This kind of cabling mode cabling is more simple, is conducive to saving material, and connects convenient.
Common mode magnet ring 7 is the common mode magnet ring 7 of non-crystalline material, and it is installed on installing frame 4 by support 8, can reduce space hold like this when ensureing filter effect.
Shown in Figure 5, in three differential mode reactors 2, be in figure middle and upper part for V phase differential mode reactor, being on the left of figure middle and lower part is U phase differential mode reactor, and being on the right side of figure middle and lower part is W phase differential mode reactor, form a semi-enclosed air channel thus, be beneficial to heat radiation, and reduce the volume of filter to a great extent, and make the center of gravity of filter placed in the middle on left and right, fore-and-aft direction, avoid the problem of crank in hoisting process, filter is installed more convenient.
As shown in Fig. 6 to 8, installing frame 4 comprises column 41, top board 42, intermediate support plate 43 and bottom support frame 45 etc.Installing frame 4 adopts angle steel and Plate Welding to form, and its profile is cuboid or cube.
Wherein, column 41 is four and interval arranges and forms rectangle, framework based on column 41.Between column 41, baffle plate is not set, adds the area that installing frame 4 inner part contacts with air, effectively can improve radiating efficiency.Column 41 adopts angle bar, adopts welding manner to be connected, make installing frame 4 firmly solid, easy to make between column 41 with parts such as top board 42 grade.
Top board 42 is arranged on the top of four columns 41, and common mode magnet ring 7 is arranged on top board 42 by support 8, like this can effective heat dispersing.
Intermediate support plate 43 is arranged on the middle part of four columns 41, and differential mode reactor 2 to be arranged on intermediate support plate 43 and to extend on top board 42, and intermediate support plate 43 is mainly used in supporting differential mode reactor 2.
Preferably, in order to improve radiating effect, top board 42 is provided with at least one first ventilation hole 421, first ventilation hole 421 runs through top board 42 along the thickness direction of top board 42, intermediate support plate 43 is provided with at least one second ventilation hole 431, second ventilation hole 431 and runs through intermediate support plate 43 along the thickness direction of intermediate support plate 43.The heat dissipation wind channel of bottom air inlet top air-out can be formed by arranging the first ventilation hole 421 and the second ventilation hole 431 along the length direction of differential mode reactor 2, making the radiating effect of differential mode reactor 2 better.
In order to improve steadiness and the reliability of installing frame 4, the bottom of column 41 is provided with bottom support frame 45, bottom support frame 45 comprises the support bar be connected between adjacent two columns 41.Filter adopts bottom fixed form simultaneously, and top inlet wire, bottom outlet, is convenient to be connected with the pusher side circuit breaker in current transformer and IGBT module, decreases copper bar use amount.
Preferably, the conveniently whole Transporting of filter and lifting, top board 42 is provided with hoisting ring 44, hoisting ring 44 is 4 and is positioned at the drift angle place of top board 42, can lift filter so easily to the installation site needed.
In the present embodiment, filter also comprises assembling device, and this assembling device is mainly used in controlling filter work, and be anti-electromagnetic interference, assembling device is arranged in shielding box 6, and has leading-out terminal for being connected with the other parts of filter.Shielding box 6 is arranged on the side of installing frame 4.
According to another aspect of the present utility model, provide a kind of wind turbine generator, it comprises pusher side filter, and this pusher side filter is above-mentioned filter.The structure of this pusher side filter is simple, and volume is little, is convenient to dismounting and transport, effectively can reduce installation and cost of transportation.
In the present embodiment, wind turbine generator also comprises converter cabinet, and pusher side filter is arranged in converter cabinet.Pusher side filter is arranged in converter cabinet, the overall IP degree of protection of filter can be improved, and the radiator structure in converter cabinet can be utilized to dispel the heat.
Particularly, pusher side filter is fixed in the structural beams in the cabinet of current transformer by the installing hole of 4 on base plate, by inlet wire connector 1 with go out wire connections 5 and be connected with IGBT module with pusher side switch cubicle, save connection copper bar, meet the requirement that pusher side filter normally works, be suitable for various environment.
Because pusher side filter is arranged in converter cabinet, conveniently control, the shielding box 6 of pusher side filter is positioned at the side of the cabinet door towards converter cabinet of pusher side filter.Such staff enters after in converter cabinet can control filter easily, avoids the impact of temperature on shielding box 6 inside simultaneously, decreases electromagnetic interference.
Filter of the present utility model and wind turbine generator have following effect:
Pusher side filter construction is simple, and volume is little, and profile is upright, makes filter can be arranged on current transformer inside, improves the integrated horizontal of current transformer.
Pusher side filter is arranged on current transformer inside, can be dispelled the heat, reach good radiating effect by the cooling system of current transformer inside.
Common mode magnet ring is arranged on the top of differential mode reactor, and the mode of outlet under employing upper incoming line, saves a large amount of copper bars, and be convenient to on-site maintenance.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.

Claims (10)

1. a filter, is characterized in that, comprising:
Installing frame (4);
Differential mode Reactor banks, comprise three differential mode reactors (2), each described differential mode reactor (2) is all arranged on that described installing frame (4) is upper and line between adjacent two described differential mode reactors (2) forms triangle;
Inlet wire connector (1), is connected with described differential mode Reactor banks;
Common mode magnet ring (7), is arranged on described installing frame (4), and is positioned at the side of the length direction of described differential mode reactor (2), and described inlet wire connector (1) is through described common mode magnet ring (7).
2. filter according to claim 1, it is characterized in that, described inlet wire connector (1) is arranged on the top of described installing frame (4), described filter also comprises wire connections (5), described go out wire connections (5) be arranged on the bottom of described installing frame (4), and to be connected with described differential mode Reactor banks.
3. filter according to claim 1 and 2, is characterized in that, described installing frame (4) comprising:
Column (41), it is four and interval arranges and forms rectangle;
Top board (42), is arranged on the top of described four columns (41), and described common mode magnet ring (7) is arranged on described top board (42);
Intermediate support plate (43), is arranged on the middle part of described four columns (41), and described differential mode reactor (2) is arranged on described intermediate support plate (43) and goes up and extend on described top board (42).
4. filter according to claim 3, is characterized in that, described top board (42) is provided with hoisting ring (44), and described hoisting ring (44) is 4 and is positioned at the drift angle place of described top board (42).
5. filter according to claim 3, it is characterized in that, described top board (42) is provided with at least one first ventilation hole (421), described first ventilation hole (421) runs through described top board (42) along the thickness direction of described top board (42), described intermediate support plate (43) is provided with at least one second ventilation hole (431), described second ventilation hole (431) runs through described intermediate support plate (43) along the thickness direction of described intermediate support plate (43).
6. filter according to claim 1, is characterized in that, the common mode magnet ring (7) that described common mode magnet ring (7) is non-crystalline material.
7. filter according to claim 1, it is characterized in that, described filter also comprises assembling device, and described assembling device is arranged in shielding box (6), and described shielding box (6) is arranged on the side of described installing frame (4).
8. a wind turbine generator, comprises pusher side filter, it is characterized in that, the filter of described pusher side filter according to any one of claim 1 to 7.
9. wind turbine generator according to claim 8, is characterized in that, described wind turbine generator also comprises converter cabinet, and described pusher side filter is arranged in described converter cabinet.
10. wind turbine generator according to claim 9, is characterized in that, described converter cabinet has cabinet door, and the shielding box (6) of described pusher side filter is positioned at the side towards described cabinet door of described pusher side filter.
CN201520755182.3U 2015-09-25 2015-09-25 Wave filter and wind generating set Active CN205029553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520755182.3U CN205029553U (en) 2015-09-25 2015-09-25 Wave filter and wind generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520755182.3U CN205029553U (en) 2015-09-25 2015-09-25 Wave filter and wind generating set

Publications (1)

Publication Number Publication Date
CN205029553U true CN205029553U (en) 2016-02-10

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ID=55262055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520755182.3U Active CN205029553U (en) 2015-09-25 2015-09-25 Wave filter and wind generating set

Country Status (1)

Country Link
CN (1) CN205029553U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105914005A (en) * 2016-06-13 2016-08-31 天津瑞能电气有限公司 External ventilation device of wind power generating frequency converter reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105914005A (en) * 2016-06-13 2016-08-31 天津瑞能电气有限公司 External ventilation device of wind power generating frequency converter reactor

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