CN205029549U - Wind generating set and conversion system thereof - Google Patents

Wind generating set and conversion system thereof Download PDF

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Publication number
CN205029549U
CN205029549U CN201520755652.6U CN201520755652U CN205029549U CN 205029549 U CN205029549 U CN 205029549U CN 201520755652 U CN201520755652 U CN 201520755652U CN 205029549 U CN205029549 U CN 205029549U
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China
Prior art keywords
side switch
switch element
unit
pusher side
wind turbine
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Active
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CN201520755652.6U
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Chinese (zh)
Inventor
杨建超
刘琳
徐亚科
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Beijing Etechwin Electric Co Ltd
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Beijing Etechwin Electric Co Ltd
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Priority to CN201520755652.6U priority Critical patent/CN205029549U/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
    • Y02E10/76Power conversion electric or electronic aspects

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Abstract

The utility model provides a wind generating set and conversion system thereof. This wind generating set's conversion system includes preceding installation space and back installation space, has set gradually first machine side switch element, the disconnected unit of master control net and second machine side switch element in the preceding installation space, and the position that corresponds with first machine side switch element in the back installation space is provided with a power unit, nets position that the unit that breaks corresponds with the master control and is provided with the reactor unit and is provided with the 2nd power unit with position that second machine side switch element corresponds, first machine side switch element, a power unit and reactor unit are connected with the disconnected unit of master control net electricity in proper order, and second machine side switch element, the 2nd power unit and reactor unit are connected with the disconnected unit of master control net electricity in proper order. This wind generating set's conversion system compact structure occupation space is little.

Description

Wind turbine generator and converter system thereof
Technical field
The utility model relates to wind turbine equipment field, particularly relates to wind turbine generator and converter system thereof.
Background technology
The converter system of conventional wind turbine generator is one and act as the main system taking into account other function with unsteady flow.This converter system divides according to function 5 modules such as comprising net side switch module, pusher side switch module, control module, unsteady flow module and water-cooled module.In prior art, these modules are mostly independently structure, and namely each system is designed to be arranged on one independently in rack, becomes an independently cabinet.As shown in Figure 1, the pusher side switch module of the converter system of wind turbine generator is pusher side switch cubicle 1, and control module is control cubicle 2, and net side switch module is net side breaker cabinet 3, and water-cooled module is Water-cooled cabinet 4, and unsteady flow module is converter cabinet 5.Wherein, pusher side switch cubicle 1 is connected with converter cabinet 5 by cable; Control cubicle 2 is connected with converter cabinet 5 by cable; Converter cabinet 5 is connected with net side breaker cabinet 3 by cable; Water-cooled cabinet 4 is connected with converter cabinet 5 by water pipe.
There is many deficiencies in the connected mode that arranges of above-mentioned converter system:
One, the structural design of converter system is compact not, and each cabinet arranges separately Existential Space waste problem, and the workload of the work of later maintenance is simultaneously large;
Its two, because rack quantity is more, when wind turbine generator is installed, site operation lifting workload is comparatively large, and each cabinet needs to consider cabinet protection, and cabinet protected working amount is large;
Its three, cable routing between each rack is complicated, and during cable cabinet outer cabling, signal easily produces interference.
Utility model content
Embodiment of the present utility model provides a kind of converter system and wind turbine generator of wind turbine generator, to take up room large problem with the converter system solving wind turbine generator.
For achieving the above object, embodiment of the present utility model provides a kind of converter system of wind turbine generator, it comprises front installing space and rear installing space, is disposed with the first pusher side switch element, despotic network breaks unit and the second pusher side switch element in front installing space; The position that in rear installing space, the position corresponding with the first pusher side switch element is provided with the first power cell, the unit that breaks with despotic network is corresponding is provided with reactor unit and the position corresponding with the second pusher side switch element is provided with the second power cell; First pusher side switch element, the first power cell and reactor unit and the despotic network unit that breaks is electrically connected successively, and the second pusher side switch element, the second power cell and reactor unit and the despotic network unit that breaks is electrically connected successively.
Further, the converter system of wind turbine generator also comprises: the first inlet wire cable, and the first inlet wire cable is connected on the first pusher side switch element; Second inlet wire cable, the second inlet wire cable is connected on the second pusher side switch element; Outlet cable, outlet cable is connected to despotic network and breaks on unit.
Further, the first pusher side switch element comprises the first half and the latter half, and wherein the first half accommodates interconnective first pusher side switch and a DUDT filter, the latter half accommodate air-cooled portion or with the water-cooled portion needing cooling-part to be connected.
Further, second pusher side switch element comprises the first half and the latter half, the first half of second pusher side switch element accommodates interconnective second pusher side switch and the 2nd DUDT filter, and the latter half of the second pusher side switch element accommodates the transformer that the unit that to break with despotic network is electrically connected.
Further, the despotic network unit that breaks comprises interconnective control system and net side circuit breaker, and net side circuit breaker is arranged on the below of control system.
Further, first power cell comprises the first brake unit and two the first power models, first brake unit is arranged on the top of two the first power models, and the DC terminal of two the first power models connects row by first and connects, and the first brake unit is connected to arrange with first and connects.
Further, second power cell comprises the second brake unit and two the second power models, second brake unit is arranged on the top of two the second power models, and the DC terminal of two the second power models connects row by second and connects, and the second brake unit is connected to arrange with second and connects.
Further, reactor unit comprises interconnective Reactor banks and filter capacitor group, and filter capacitor group is positioned at above Reactor banks.
Further, filter capacitor group comprises two filter capacitors, and Reactor banks comprises two reactors, and two filter capacitors and two reactors connect one to one.
According to another aspect of the present utility model, provide a kind of wind turbine generator, be provided with above-mentioned converter system.
Multiple component integrations of the converter system of the wind turbine generator of embodiment of the present utility model are in a cabinet, achieve Integration Design, reduce the workload of site operation, improve space availability ratio, solve cable in the outer trace signal of the cabinet easily problem such as disturbed, substantially increase operating efficiency.
Accompanying drawing explanation
Fig. 1 is the converter system schematic diagram of wind turbine generator of the prior art;
Fig. 2 is the schematic diagram of the converter system of the wind turbine generator of embodiment of the present utility model;
Fig. 3 is the front view of the converter system of the wind turbine generator of embodiment of the present utility model;
Fig. 4 is the rearview of the converter system of the wind turbine generator of embodiment of the present utility model.
Description of reference numerals:
1, pusher side switch cubicle; 2, control cubicle; 3, side breaker cabinet is netted; 4, Water-cooled cabinet; 5, converter cabinet; 11, front installing space; 12, rear installing space; 20, the first pusher side switch element; 21, the first pusher side switch; 22, a DUDT filter; 30, despotic network breaks unit; 31, control system; 32, side circuit breaker is netted; 40, the second pusher side switch element; 41, the second pusher side switch; 42, the 2nd DUDT filter; 50, the first power cell; 51, the first brake unit; 52, the first power model; 60, reactor unit; 61, filter capacitor; 62, reactor; 70, the second power cell; 71, the second brake unit; 72, the second power model; 80, water-cooled portion; 90, transformer.
Embodiment
Below in conjunction with accompanying drawing, the converter system of the wind turbine generator of the utility model embodiment and wind turbine generator are described in detail.
As shown in Figure 2, according to embodiment of the present utility model, the converter system of wind turbine generator is by integrated for the functional module of wind turbine generator as a whole.Such as, a cabinet is set, the antetheca of cabinet and rear wall is provided with cabinet door, passes in and out for staff.Be provided with the mounting rail of horizontal and vertical interlaced arrangement in cabinet, to be front installing space 11 and rear installing space 12 by the compartition of cabinet inside, the functional module of wind turbine generator is fixed on mounting rail by mounting panel.Be arranged on functional module in front installing space 11 towards the cabinet door being positioned at antetheca, be arranged on functional module in rear installing space 12 towards the cabinet door being positioned at rear wall, the functional module being positioned at front installing space 11 is arranged back-to-back with the functional module being arranged on rear installing space 12.
In the present embodiment, the functional module be arranged in cabinet has: be arranged on the first pusher side switch element 20 of front installing space 11, despotic network breaks unit 30 and the second pusher side switch element 40 and be arranged on the first power cell 50 of rear installing space 12, reactor unit 60 and the second power cell 70.
Wherein, break unit 30 and the second pusher side switch element 40 of the first pusher side switch element 20, despotic network sets gradually along the transverse direction of cabinet.First power cell 50 is corresponding with the first pusher side switch element 20 to be arranged, and reactor unit 60 and despotic network break, and unit 30 is corresponding to be arranged, and the second power cell 70 is corresponding with the second pusher side switch element 40 to be arranged.This setup makes the electric energy loop in cabinet symmetrical, and cabling is convenient and without arc interference, the symmetrical configuration in cabinet, center of gravity is almost positioned at the center of cabinet, ensures that lifting is reliably convenient.Meanwhile, functional module is arranged in reasonable and orderly manner in limited space, and ensure the compact conformation of cabinet, space availability ratio is high, and is convenient to processing and safeguards.
Certainly, also the first pusher side switch element 20, despotic network can be broken unit 30, second pusher side switch element 40, first power cell 50, reactor unit 60 and the second power cell 70 is arranged in respective cabinet correspondingly, again respective cabinet is put according to above-mentioned position relationship, then be fixed into as a whole, practical function module integrated.It can be fixed by adjacent two cabinets by bolt that cabinet connects into an overall mode, also each cabinet all can be fixed on a matrix, also can combine in the above described manner.After each cabinet forms a whole, need to remove in the adjacent side plate of adjacent two cabinets one (such as, first pusher side switch element 20 is adjacent with the first power cell 50, now, the rear cabinet wall of the first pusher side switch element 20 or the rear cabinet wall of the first power cell 50 need be removed).
The electrical connection of each parts in converter system can be determined as required, in the present embodiment, first pusher side switch element 20, first power cell 50, reactor unit 60 and the despotic network unit 30 that breaks is electrically connected successively, and the second pusher side switch element 40, second power cell 70, reactor unit 60 and the despotic network unit 30 that breaks is electrically connected successively.This connected mode, when guaranteeing the unsteady flow function realizing converter system, connects cabling more convenient, can avoid mutual interference.
As shown in Figure 3, the first pusher side switch element 20 arranges the rightmost side of cabinet in figure 3, and is positioned at the first half (the first half herein does not limit the half that it must be the height of front installing space 11) of the front installing space 11 of cabinet.The DUDT filter 22 that first pusher side switch element 20 comprises the first pusher side switch 21 and is connected with the first pusher side switch 21.Due to converter system in actual use, external cabling is introduced by the wiring hole be positioned at above cabinet, therefore the first pusher side switch element 20 is arranged on that the top of front installing space 11 is more convenient to be connected with cable, close together simultaneously between a DUDT filter 22 and the first pusher side switch 21, to be more convenient for inner cabling, reduce track lengths, save cost.
Second pusher side switch element 40 and the first pusher side switch element 20 arrange the leftmost side of cabinet in figure 3 symmetrically.The 2nd DUDT filter 42 that second pusher side switch element 40 comprises the second pusher side switch 41 and is connected with the second pusher side switch 41.First pusher side switch element 20 is identical with the effect of the second pusher side switch element 40.
In the present embodiment, the converter system of wind turbine generator also comprises water-cooled portion 80 and transformer 90.
Wherein, water-cooled portion 80 is arranged on the below (being also the lower right corner place of the cabinet in Fig. 3) of the first pusher side switch element 20.Water-cooled portion 80 is that the cooling-part that needs in cabinet cools, (such as water-cooled portion 80 be a DUDT filter 22, the 2nd DUDT filter 42, first power model 52, second power model 72 and reactor 62 etc. cool), to ensure that the parts in cabinet in suitable temperature work, and then can ensure the useful life of parts and the reliability of converter system work.Other cooling structure can be adopted in cabinet to cool, such as, adopt air-cooled mode to replace the mode of water-cooled, as required blower fan is set in cabinet, if each functional module is arranged in a cabinet, then as required blower fan to be set in different positions, if each functional module is arranged in respective cabinet, then as required blower fan is set in each cabinet, and air port is set in the relevant position of cabinet, make blower fan drive air flowing in cabinet, and accelerate heat radiation.If offer air port on cabinet, in order to ensure the degree of protection of cabinet, filtration can be added at air port place, invading to prevent dust.
The lower right-hand corner of the cabinet of the below that transformer 90 is arranged on the second pusher side switch element 40 also namely in Fig. 3.Transformer 90 for transformation, to power for electrical appliance.Here electrical appliance can be the lighting apparatus in the tower cylinder of wind turbine generator, the lighting apparatus etc. in cabinet, also can be other parts.
It should be noted that, the position in transformer 90 and water-cooled portion 80 can exchange, and both exchange connection that is rear and other parts and do accommodation.
The despotic network unit 30 that breaks is arranged between the first pusher side switch element 20 and the second pusher side switch element 40.The despotic network unit 30 that breaks comprises control system 31 and net side circuit breaker 32, and net side circuit breaker 32 is arranged on the below of control system 31.The parts that control system 31 controls for each needs controlling whole wind turbine generator, such as, control wind generating set yaw, control wind generating set pitch control, each component working etc. controlled in converter system.Control system 31 is powered by transformer 90.Net side circuit breaker 32 is connected with control system 31 and controls with controlled system 31, and it is positioned at below control system 31, makes net side circuit breaker 32 be connected with the cable being positioned at bottom of cabinet bulk easily like this, saving cable consumption.
As shown in Figure 4, be the rearview of the converter system of the wind turbine generator of embodiment of the present utility model, wherein the first power cell 50 is arranged corresponding to the first pusher side switch element 20.First power cell 50 comprises first brake unit 51 and two the first power models 52.Wherein, the first brake unit 51 is arranged on the top of two the first power models 52.Effectively can reduce the length of cable like this.The DC terminal of two the first power models 52 connects row by first and connects, and the first brake unit 51 is connected to arrange with first and connects, with energy unnecessary in delivery system.
Second power cell 70 and the first power cell 50 are symmetrical arranged, and it corresponds to the second pusher side switch element 40.Second power cell 70 comprises the second brake unit 71 and two the second power models 72.Wherein, the second brake unit 71 is positioned at the top of two the second power models 72.Effectively can reduce the length of cable like this.The DC terminal of two the second power models 72 connects row by second and connects, and the second brake unit 71 is connected to arrange with second and connects, to ensure safety when wind turbine generator is braked.
Reactor unit 60 is arranged between the first power cell 50 and the second power cell 70.It comprises interconnective Reactor banks and filter capacitor group, filter capacitor group is positioned at above Reactor banks, filter capacitor group comprises two filter capacitors 61, Reactor banks comprises two reactors 62, what one of them reactor 62 netted side circuit breaker 32 with one of them suitable for readingly passes through one and is connected wire and connects, and one of them filter capacitor 61 is connected on this connection wire; What another reactor 62 netted side circuit breaker 32 with another is suitable for readingly connected wire by another and connects, and another filter capacitor 61 is connected on this another connection wire.Reactor 62 is positioned at the bottom of cabinet, is so more conducive to the center of gravity reducing cabinet entirety, makes cabinet more reliable and more stable.
By this kind of set-up mode, first inlet wire cable of the converter system of wind turbine generator is connected on the first pusher side switch element 20, and be electrically connected by the first power cell 50, reactor unit 60 and the despotic network unit 30 that breaks, the electric energy loop realized thus is: electric energy enters the first power cell 50 by the first pusher side switch element 20, then reactor unit 60 is entered, finally enter despotic network to break unit 30, and flow out from the despotic network unit 30 that breaks.
Similarly, second inlet wire cable of the converter system of wind turbine generator, be connected on the second pusher side switch element 40, and be electrically connected by the second power cell 70, reactor unit 60 and the despotic network unit 30 that breaks, the electric energy loop realized thus is: electric energy enters the second power cell 70 by the second pusher side switch element 40, then enter reactor unit 60, finally enter despotic network and to break unit 30, and flow out from the despotic network unit 30 that breaks.
The outlet cable of the converter system of wind turbine generator is connected to despotic network and breaks on unit 30, to realize the connection of converter system and electrical network.
Above-mentioned electric energy loop forms the loop of similar " m " type, makes converter system form both sides inlet wires, the wiring path of middle outlet, makes cabling convenient and simple.Shorten the cable between each functional module and busbar length simultaneously, greatly reduce cost, improve the reliability of converter system.
According to another aspect of the present utility model, provide a kind of wind turbine generator, comprise converter system, converter system is above-mentioned converter system.Adopt the wind turbine generator of above-mentioned converter system to lift convenient, cost is lower, and functional reliability is better.
It should be noted that, the electrical connection between each functional module in this converter system does not change, and mainly improves the setting position of each functional module.
The converter system of wind turbine generator of the present utility model and wind turbine generator have following effect:
By each functional module Integration Design, be arranged in a cabinet, and cabinet be arranged on one deck platform at the bottom of the tower of tower cylinder, save space.Meanwhile, owing to only there being a cabinet, decreasing packing case quantity, be convenient to packed and transported.Each functional module is integrated, and the spacing between functional module reduces, and then decreases the consumption of the materials such as copper bar, cable, water pipe, has saved cost.
Only need lifting cabinet, decrease lifting workload, be convenient to in-site installation, debugging and 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 converter system for wind turbine generator, is characterized in that, comprises front installing space (11) and rear installing space (12),
Be disposed with the first pusher side switch element (20) in described front installing space (11), despotic network breaks unit (30) and the second pusher side switch element (40);
Interior position be provided with first power cell (50), with described despotic network break unit (30) the corresponding position corresponding with described first pusher side switch element (20) of described rear installing space (12) is provided with reactor unit (60) and the position corresponding with described second pusher side switch element (40) is provided with the second power cell (70);
Described first pusher side switch element (20), described first power cell (50) and described reactor unit (60) and the described despotic network unit (30) that breaks is electrically connected successively, and described second pusher side switch element (40), described second power cell (70) and described reactor unit (60) and the described despotic network unit (30) that breaks is electrically connected successively.
2. the converter system of wind turbine generator according to claim 1, is characterized in that, the converter system of described wind turbine generator also comprises:
First inlet wire cable, described first inlet wire cable is connected on described first pusher side switch element (20);
Second inlet wire cable, described second inlet wire cable is connected on described second pusher side switch element (40);
Outlet cable, described outlet cable is connected to described despotic network and breaks on unit (30).
3. the converter system of wind turbine generator according to claim 1 and 2, it is characterized in that, described first pusher side switch element (20) comprises the first half and the latter half, wherein said the first half accommodates interconnective first pusher side switch (21) and a DUDT filter (22), described the latter half accommodate air-cooled portion or with the water-cooled portion (80) needing cooling-part to be connected.
4. the converter system of wind turbine generator according to claim 1 and 2, it is characterized in that, described second pusher side switch element (40) comprises the first half and the latter half, the first half of described second pusher side switch element (40) accommodates interconnective second pusher side switch (41) and the 2nd DUDT filter (42), and the latter half of described second pusher side switch element (40) accommodates the transformer (90) that the unit (30) that to break with described despotic network is electrically connected.
5. the converter system of wind turbine generator according to claim 1 and 2, it is characterized in that, described despotic network break unit (30) comprise interconnective control system (31) and net side circuit breaker (32), described net side circuit breaker (32) is arranged on the below of described control system (31).
6. the converter system of wind turbine generator according to claim 1 and 2, it is characterized in that, described first power cell (50) comprises the first brake unit (51) and two the first power models (52), described first brake unit (51) is arranged on the top of two described first power models (52), the DC terminal of two described first power models (52) connects row by first and connects, and described first brake unit (51) and described first is connected to arrange and connects.
7. the converter system of wind turbine generator according to claim 1 and 2, it is characterized in that, described second power cell (70) comprises the second brake unit (71) and two the second power models (72), described second brake unit (71) is arranged on the top of two described second power models (72), the DC terminal of two described second power models (72) connects row by second and connects, and described second brake unit (71) and described second is connected to arrange and connects.
8. the converter system of wind turbine generator according to claim 1, is characterized in that, described reactor unit (60) comprises interconnective Reactor banks and filter capacitor group, and described filter capacitor group is positioned at above described Reactor banks.
9. the converter system of wind turbine generator according to claim 8, it is characterized in that, described filter capacitor group comprises two filter capacitors (61), described Reactor banks comprises two reactors (62), and described two filter capacitors (61) and described two reactors (62) connect one to one.
10. a wind turbine generator, is characterized in that, is provided with the converter system according to any one of claim 1 to 9.
CN201520755652.6U 2015-09-25 2015-09-25 Wind generating set and conversion system thereof Active CN205029549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520755652.6U CN205029549U (en) 2015-09-25 2015-09-25 Wind generating set and conversion system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520755652.6U CN205029549U (en) 2015-09-25 2015-09-25 Wind generating set and conversion system thereof

Publications (1)

Publication Number Publication Date
CN205029549U true CN205029549U (en) 2016-02-10

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Application Number Title Priority Date Filing Date
CN201520755652.6U Active CN205029549U (en) 2015-09-25 2015-09-25 Wind generating set and conversion system thereof

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114389170A (en) * 2022-01-20 2022-04-22 阳光电源股份有限公司 Wind power converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114389170A (en) * 2022-01-20 2022-04-22 阳光电源股份有限公司 Wind power converter
CN114389170B (en) * 2022-01-20 2024-04-12 阳光电源股份有限公司 Wind power converter

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