CN205681320U - A kind of high-power photovoltaic inverter of integrated DC cabinet - Google Patents
A kind of high-power photovoltaic inverter of integrated DC cabinet Download PDFInfo
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- CN205681320U CN205681320U CN201620564390.XU CN201620564390U CN205681320U CN 205681320 U CN205681320 U CN 205681320U CN 201620564390 U CN201620564390 U CN 201620564390U CN 205681320 U CN205681320 U CN 205681320U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 238000005034 decoration Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 206010010904 Convulsion Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
This utility model relates to the high-power photovoltaic inverter of a kind of integrated DC cabinet, including exchange cabinet and DC inversion integrated cabinet, described DC inversion integrated cabinet includes cabinet and is arranged at the dc circuit breaker in described cabinet, positive bus, negative bus-bar, power inverting unit and reactor, the positive pole of multiple described dc circuit breakers all converges on described positive bus, and negative pole all converges on described negative bus-bar；The electrode input end with three described power inverting unit respectively of three split points on described positive bus is connected, the negative input with three described power inverting unit respectively of three split points on described negative bus-bar is connected, and the outfan of three described power inverting unit is corresponding with the three-phase input interface of described reactor respectively to be connected.DC cabinet and inverter cabinet are become one structure by this utility model, in photovoltaic power generation grid-connecting system, can save a DC cabinet and a total dc circuit breaker, save production cost.
Description
Technical field
This utility model relates to a kind of power inverting device, and the high-power photovoltaic being specifically related to a kind of integrated DC cabinet is inverse
Become device.
Background technology
Along with the consumption of earth resource, people start to pay attention to the exploitation of regenerative resource, solar energy photovoltaic system because of
It is environment friendly and pollution-free, renewable, without geographical restrictions, the most attention of advantage the obtains every country such as potentiality to be exploited is big, future
In society, solar energy will become main energy source.The electric energy that solar power system produces is unidirectional current, it is necessary to warp
Cross after inverter changes into alternating current and can export in grid-connected system, therefore, setting of high-power combining inverter
Meter is the important judgement symbol that photovoltaic plant builds success or failure.Existing photovoltaic generating system typically has DC cabinet, inverter and friendship
Stream cabinet three cabinet body, not only increase a DC cabinet, the DC side of inverter also need to equipped with a total dc circuit breaker, and
Allow inversion room larger, greatly add manufacturing cost.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of integrated DC cabinet that can reduce manufacturing cost
High-power photovoltaic inverter.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: the high-power photovoltaic of a kind of integrated DC cabinet is inverse
Becoming device, including exchange cabinet and DC inversion integrated cabinet, described DC inversion integrated cabinet includes cabinet and is arranged at described cabinet
Internal dc circuit breaker, positive bus, negative bus-bar, power inverting unit and reactor, described dc circuit breaker sets
Having multiple, the positive pole of multiple described dc circuit breakers all converges on described positive bus, multiple described dc circuit breakers
Negative pole all converges on described negative bus-bar；Three shuntings it are provided with respectively on described positive bus and negative bus-bar
Point；Described power inverting unit is provided with three, and three split points on described positive bus are inverse with three described power respectively
Become unit electrode input end be connected, three split points on described negative bus-bar respectively with three described power inverting unit
Negative input be connected, the outfan of three described power inverting unit respectively with the three-phase input interface pair of described reactor
Should connect, the output interface of described reactor is connected with the described exchange input interface exchanging cabinet.
The beneficial effects of the utility model are: the high-power photovoltaic inverter of this utility model a kind of integrated DC cabinet will
DC cabinet and inverter cabinet become one structure, in photovoltaic power generation grid-connecting system, a DC cabinet can be saved and one total straight
Stream chopper, saves production cost.
On the basis of technique scheme, this utility model can also do following improvement.
Further, multiple described dc circuit breaker arranged distribution bottom in described cabinet, described positive bus and
Negative bus-bar is arranged on the middle part in described cabinet, upper in described cabinet of three described power inverting unit arranged distribution
Portion, described reactor is arranged on the bottom outside the described cabinet back side, and the outfan of three described power inverting unit passes institute
State the cabinet back side and be connected to downwards the three-phase input interface of described reactor by three-phase copper bar along the cabinet back side.
Further, inside three described power inverting unit, it is provided with radiator respectively, the top lifting in described cabinet
Having axial flow blower, and described axial flow blower is positioned at the top of three described power inverting unit, described axial flow blower passes through damping
Pad is lifted on the top in described cabinet.
Above-mentioned further scheme is used to provide the benefit that: in inversion unit work process, to be arranged at power inverting list
Power inverting unit is dispelled the heat by the radiator within Yuan, by cabinet apical axis flow fan convulsion heat extraction to cabinet outside, have very
Good radiating effect, extends the service life of inversion unit.
Further, the bottom of described cabinet is provided with grounding copper bar.
Further, the exterior lateral sides of described cabinet is provided with direct current arrester and alternating-current lightning arrestor, described direct current arrester
Being connected with positive bus, negative bus-bar and grounding copper bar respectively by cable, described alternating-current lightning arrestor is by cable respectively
It is connected with outfan and the grounding copper bar of three described power inverting unit.
Above-mentioned further scheme is used to provide the benefit that: the setting of grounding copper bar, direct current arrester and alternating-current lightning arrestor
Electric leakage can be avoided and be struck by lightning, thus improving the safety that this utility model uses.
Further, described negative bus-bar is provided with the first Hall element.
Above-mentioned further scheme is used to provide the benefit that: the first Hall element can gather the electricity on negative bus-bar
Stream.
Further, every phase copper bar of described three-phase copper bar is provided with the second Hall element respectively.
Above-mentioned further scheme is used to provide the benefit that: the second Hall element can gather each phase of three-phase copper bar
Voltage.
Further, described cabinet is internally provided with decoration panel, and described decoration panel covers three described power inverting lists
Unit, and described decoration panel is provided with the first air intake louvre；Described cabinet front is provided with cabinet door, on described cabinet door and with
The position that three described power inverting unit are relative with multiple dc circuit breakers is provided with the second air intake louvre, and described second dissipates
Hot hole is provided with Air Filter, and described Air Filter is pasted onto the inside of described second louvre by hook-shaped joint strip.
Above-mentioned further scheme is used to provide the benefit that: the first air intake louvre and the setting of the second louvre so that
Air channel air intake is reasonable, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is the internal structure solid signal of the high-power photovoltaic inverter of this utility model a kind of integrated DC cabinet
Figure；
Fig. 2 is the rearview of the high-power photovoltaic inverter of this utility model a kind of integrated DC cabinet；
Fig. 3 is that the high-power photovoltaic inverter of this utility model a kind of integrated DC cabinet regards equipped with the master decorating panel
Figure；
Fig. 4 is the high-power photovoltaic inverter front view equipped with cabinet door of this utility model a kind of integrated DC cabinet.
In accompanying drawing, the list of parts representated by each label is as follows:
1, cabinet, 2, dc circuit breaker, 3, positive bus, 4, negative bus-bar, 5, power inverting unit, 6, reactance
Device, 7, three-phase copper bar, 8, axial flow blower, 9, grounding copper bar, 10, direct current arrester, 11, alternating-current lightning arrestor, the 12, first Hall passes
Sensor, the 13, second Hall element, 14, decoration panel, the 15, first air intake louvre, the 16, cabinet door, 17, second air intake heat radiation
Hole, 18, Air Filter, 19, reactor division board.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the high-power photovoltaic inverter of a kind of integrated DC cabinet, including exchange cabinet
With DC inversion integrated cabinet, described DC inversion integrated cabinet includes cabinet 1 and is arranged at the dc circuit breaker in described cabinet 1
2, positive bus 3, negative bus-bar 4, power inverting unit 5 and reactor 6, described dc circuit breaker 2 is provided with multiple, multiple
The positive pole of described dc circuit breaker 2 all converges on described positive bus 3, and the negative pole of multiple described dc circuit breakers 2 all converges
It flow on described negative bus-bar 4；Three split points it are provided with respectively on described positive bus 3 and negative bus-bar 4；Described
Power inverting unit 5 is provided with three, three split points on described positive bus 3 respectively with three described power inverting unit
The electrode input end of 5 be connected, three split points on described negative bus-bar 4 respectively with three described power inverting unit 5
Negative input is connected, the outfan of three described power inverting unit 5 respectively with the three-phase input interface pair of described reactor 6
Should connect, the output interface of described reactor 6 is connected with the described exchange input interface exchanging cabinet.Multiple described dc circuit breakers
2 arranged distribution bottom in described cabinet 1, described positive bus 3 and negative bus-bar 4 are arranged in described cabinet 1
Middle part, three described power inverting unit 5 arranged distribution top in described cabinet 1, described reactor 6 by reactor every
Being arranged on the bottom outside described cabinet 1 back side from plate 19, the outfan of three described power inverting unit 2 passes described cabinet
1 back side is connected to downwards the three-phase input interface of described reactor 6 by three-phase copper bar 7 along cabinet 1 back side.Three described merits
Rate inversion unit 5 is internal is provided with radiator respectively, and the top in described cabinet 1 is lifted with axial flow blower 8, and described axial flow wind
Machine 8 is positioned at the top of three described power inverting unit 5, and described axial flow blower 8 is lifted in described cabinet 1 by cushion
On top.The bottom of described cabinet 1 is provided with grounding copper bar 9.The exterior lateral sides of described cabinet 1 is provided with direct current arrester 10 and hands over
Stream spark gap 11, described direct current arrester 10 is by cable respectively with positive bus 3, negative bus-bar 4 and grounding copper bar 9 even
Connecing, described alternating-current lightning arrestor 11 passes through cable outfan and grounding copper bar 9 respectively with three described power inverting unit 5 and connects
Connect.First Hall element 12 is installed on described negative bus-bar 4.Pacify respectively on every phase copper bar of described three-phase copper bar 7
Equipped with the second Hall element 13.Described cabinet 1 is internally provided with decoration panel 14, and described decoration panel 14 covers described in three
Power inverting unit 5, and described decoration panel 14 is provided with the first air intake louvre 15；Described cabinet 1 front is provided with cabinet door
16, on described cabinet door 16 and on the position relative with three described power inverting unit 5 and multiple dc circuit breaker 2, it is provided with
Two air intake louvres 17, described second louvre 17 is provided with Air Filter 18, and described Air Filter 18 is pasted onto by hook-shaped joint strip
The inside of described second louvre 17.
In this specific embodiment, described dc circuit breaker 2 is provided with eight, this utility model a kind of integrated DC cabinet big
The power of power photovoltaic inverter is 500kw, and three power inverting unit 5 are made up of, by three three groups of I GBT inverter circuits
The unidirectional current that solar panel produces is converted to the alternating current of grid-connected 315V by individual power inverting unit 5, then by boosting
Transformer boost is grid-connected.When utility model works, the unidirectional current of input is defeated respectively through the direct current of eight dc circuit breakers 2
Enter end to transmit to three power inverting unit 5, be converted into alternating current transmission to reactor 6, warp through three power inverting unit 5
Cross reactor 6 and voltage is carried out the catalyst of converting transmission extremely exchange cabinet, be then transmit to exchange the alternating current of the wave filter of cabinet
Road, then passes through the ac output end output AC electricity of the AC circuit breaker of exchange cabinet.In photovoltaic power generation grid-connecting system, can save
Remove a DC cabinet and a total dc circuit breaker, save production cost.
During utility model works, it is arranged at the radiator within power inverting unit 5 to power inverting unit 5
Dispel the heat, by the axial flow blower 8 convulsion heat extraction at cabinet 1 top to cabinet 1 outside, running in order to ensure this utility model
Not producing the biggest noise in journey, axial flow blower 8 is when mounted added with cushion；Installation for easy Air Filter 18
Journey, is pasted onto Air Filter 18 on hook-shaped joint strip, succinctly facilitates, good looking appearance；The second air intake louvre 17 on cabinet door 16 is right
Fluid in cabinet 1 is circulated；The Air Filter 18 pasted on second air intake louvre 17 of cabinet door 16 is in this utility model
Portion's environment blocks with external environment condition, guarantees normal work of the present utility model by arrangement above.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (8)
1. the high-power photovoltaic inverter of an integrated DC cabinet, it is characterised in that: include exchanging cabinet and DC inversion one
Cabinet, described DC inversion integrated cabinet includes cabinet (1) and the dc circuit breaker (2) being arranged in described cabinet (1), positive pole remittance
Stream row (3), negative bus-bar (4), power inverting unit (5) and reactor (6), described dc circuit breaker (2) is provided with multiple, many
The positive pole of individual described dc circuit breaker (2) all converges on described positive bus (3), multiple described dc circuit breakers (2)
Negative pole all converges on described negative bus-bar (4)；It is provided with respectively on described positive bus (3) and negative bus-bar (4)
Three split points；Described power inverting unit (5) is provided with three, three split points on described positive bus (3) respectively with
The electrode input end of three described power inverting unit (5) be connected, three split points on described negative bus-bar (4) respectively with
The negative input of three described power inverting unit (5) be connected, the outfan of three described power inverting unit (5) respectively with
The three-phase input interface correspondence of described reactor (6) connects, the output interface of described reactor (6) and the described exchange exchanging cabinet
Input interface is connected.
The high-power photovoltaic inverter of a kind of integrated DC cabinet the most according to claim 1, it is characterised in that: Duo Gesuo
State dc circuit breaker (2) arranged distribution bottom in described cabinet (1), described positive bus (3) and negative bus-bar (4)
It is arranged on the middle part in described cabinet (1), upper in described cabinet (1) of three described power inverting unit (5) arranged distribution
Portion, described reactor (6) is arranged on the bottom outside described cabinet (1) back side, the output of three described power inverting unit (5)
End is downwards connected to described reactor (6) by three-phase copper bar (7) along cabinet (1) back side through described cabinet (1) back side
Three-phase input interface.
The high-power photovoltaic inverter of a kind of integrated DC cabinet the most according to claim 2, it is characterised in that: three institutes
Stating power inverting unit (5) inside and be provided with radiator respectively, the top in described cabinet (1) is lifted with axial flow blower (8), and
Described axial flow blower (8) is positioned at the top of three described power inverting unit (5), and described axial flow blower (8) is hung by cushion
It is contained on the top in described cabinet (1).
4., according to the high-power photovoltaic inverter of a kind of integrated DC cabinet described in any one of claims 1 to 3, its feature exists
In: the bottom of described cabinet (1) is provided with grounding copper bar (9).
The high-power photovoltaic inverter of a kind of integrated DC cabinet the most according to claim 4, it is characterised in that: described cabinet
The exterior lateral sides of body (1) is provided with direct current arrester (10) and alternating-current lightning arrestor (11), and described direct current arrester (10) passes through line
Cable is connected with positive bus (3), negative bus-bar (4) and grounding copper bar (9) respectively, and described alternating-current lightning arrestor (11) passes through line
Cable is connected with outfan and the grounding copper bar (9) of three described power inverting unit (5) respectively.
6., according to the high-power photovoltaic inverter of a kind of integrated DC cabinet described in any one of claims 1 to 3, its feature exists
In: the first Hall element (12) is installed on described negative bus-bar (4).
7. according to the high-power photovoltaic inverter of a kind of integrated DC cabinet described in Claims 2 or 3, it is characterised in that: institute
State and the second Hall element (13) is installed on every phase copper bar of three-phase copper bar (7) respectively.
8., according to the high-power photovoltaic inverter of a kind of integrated DC cabinet described in any one of claims 1 to 3, its feature exists
In: described cabinet (1) is internally provided with decoration panel (14), and described decoration panel (14) covers three described power inverting unit
, and described decoration panel (14) is provided with the first air intake louvre (15) (5)；Described cabinet (1) front is provided with cabinet door (16),
The position that described cabinet door (16) is upper and relative with three described power inverting unit (5) and multiple dc circuit breaker (2) sets
Having the second air intake louvre (17), described second air intake louvre (17) to be provided with Air Filter (18), described Air Filter (18) leads to
Cross hook-shaped joint strip and be pasted onto the inside of described second air intake louvre (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564390.XU CN205681320U (en) | 2016-06-13 | 2016-06-13 | A kind of high-power photovoltaic inverter of integrated DC cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564390.XU CN205681320U (en) | 2016-06-13 | 2016-06-13 | A kind of high-power photovoltaic inverter of integrated DC cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN205681320U true CN205681320U (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564390.XU Active CN205681320U (en) | 2016-06-13 | 2016-06-13 | A kind of high-power photovoltaic inverter of integrated DC cabinet |
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| CN (1) | CN205681320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221850A (en) * | 2017-07-18 | 2017-09-29 | 江苏峰谷源储能技术研究院有限公司 | A kind of DC cabinet |
| EP4283815A4 (en) * | 2021-02-10 | 2024-04-03 | Huawei Digital Power Technologies Co., Ltd. | INVERTER DEVICE AND SYSTEM |
-
2016
- 2016-06-13 CN CN201620564390.XU patent/CN205681320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221850A (en) * | 2017-07-18 | 2017-09-29 | 江苏峰谷源储能技术研究院有限公司 | A kind of DC cabinet |
| EP4283815A4 (en) * | 2021-02-10 | 2024-04-03 | Huawei Digital Power Technologies Co., Ltd. | INVERTER DEVICE AND SYSTEM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-power photovoltaic inverter device with integrated DC cabinet Effective date of registration: 20230504 Granted publication date: 20161109 Pledgee: China Construction Bank Corporation Wuhan Huangpi Branch Pledgor: WUHAN WOOSTAR ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2023980039732 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20161109 Pledgee: China Construction Bank Corporation Wuhan Huangpi Branch Pledgor: WUHAN WOOSTAR ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2023980039732 |