CN205961055U - Photovoltaic module system of converging - Google Patents
Photovoltaic module system of converging Download PDFInfo
- Publication number
- CN205961055U CN205961055U CN201620573158.2U CN201620573158U CN205961055U CN 205961055 U CN205961055 U CN 205961055U CN 201620573158 U CN201620573158 U CN 201620573158U CN 205961055 U CN205961055 U CN 205961055U
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- China
- Prior art keywords
- bus cases
- header box
- photovoltaic module
- convergence system
- branch road
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a photovoltaic module system of converging, including the photovoltaic module of 2n group tandem, main flow box and the dc -to -ac converter of converging, still include a plurality of combiner box, every m photovoltaic module of group tandem is parallelly connected to insert a combiner box, and each combiner box establishes ties in proper order and forms the branch road that converges, and a plurality of groups converge, and the branch road is parallelly connected to insert the main flow box that converges, collection flow box's output inserts the dc -to -ac converter. The utility model discloses an effectual quantity that reduces by 4 squares of cables of connected mode has reduced the voltage loss in power station, the cable sheath wearing and tearing and the disconnected silk condition of internal conductor that effectively reduce photovoltaic cable long distance to pull and cause, reduce the site operation degree of difficulty, avoided the positive negative pole of subassembly to connect the problem of turning over, the efficiency of the construction in power station is improved with the power station earning ratio.
Description
Technical field
This utility model belongs to photovoltaic module technical field and in particular to a kind of photovoltaic module convergence system.
Background technology
In recent years, gradually ripe with photovoltaic plant industry, the type of photovoltaic plant also presents multiformity, power station field
Ground scope also gradually expands, and photovoltaic power station is generally built in public affairs such as industrial premises, commercial building, agricultural facility, municipal administrations
Build together build, the area such as outlying farming and pastoral area and island.
According to the difference of inverter type selecting, the equipment in power station is also otherwise varied, for the photovoltaic using centralized inverter
Power station, should be confluxed using header box, then be accessed inverter.Specifically the mode of connection is：By some, specification identical
Photovoltaic module tandem connection gets up, and forms photovoltaic tandem, then several photovoltaic tandems are in parallel, is sequentially ingressed into photovoltaic conflux lightning protection
Case and DC power distribution cabinet, are finally sent to inverter.Header box generally adopts n remittance 1 specification, and wherein, n represents photovoltaic connection in series-parallel group
Number, n takes 8,10,12,14 and 16 etc..Every group of photovoltaic string is directly accessed the input of header box, and input generally adopts 2*4mm^2
Cable.By 16 converge 1 header box as a example, 16 groups of photovoltaic connection in series-parallel access header boxs, send into after 1 tunnel output inverter carry out inverse
Become.
By substantial amounts of design and construction empirical discovery, for the more complicated photovoltaic power station in some places, due to
Using the centralized header box of n remittance 1, laying at the scene apart from the distant photovoltaic group string of header box would generally be because of length during cable
Cable skin abrasion and inner lead fracture of wire situation that distance pulls and causes；The n road of input header box is accessed and is all used 4
Square cable, cable large usage quantity, distance increases the loss of voltage.It is unfavorable for improving the generated energy in power station, increase cable construction
Difficulty.
Content of the invention
Goal of the invention：This utility model purpose is for the deficiencies in the prior art, provide a kind of loss of voltage amount few,
Easy construction, the photovoltaic module convergence system that reliability is high and operation is safe.
Technical scheme：A kind of photovoltaic module convergence system described in the utility model, including 2n group photovoltaic module tandem,
Main header box and inverter, also include several bus cases, and every m group photovoltaic module tandem is in parallel to access bus cases, each remittance
Stream box is sequentially connected in series one branch road that confluxes of formation, and some branch circuit parallel connections that conflux access main header box, the output of described header box
Terminate into inverter.
Further, 4≤n；2≤m≤4.
Further, n is 8；M is 2.
Further, the every branch road that confluxes includes 2 ~ 8 bus cases.
Further, every first bus cases confluxing on branch road enter one for two and go out formula circuit structure, and remaining enters for three
One goes out formula circuit structure.
Further, described main header box enters one for two and goes out formula circuit structure, and input connects two groups of branch roads that conflux, output
End connects inverter.
Further, for ease of the connection of the branch road that confluxes, it is to avoid the reversed problem of assembly both positive and negative polarity, described bus cases shell
It is directly integrated mc4 master-slave socket, component string is directly accessed bus cases.
Further, for improving the operation stability of whole system, easy access, do not affect the operation of other bus cases,
Described bus cases positive pole accesses configuration fuse.
Further, for each header box safe and reliable operation is effectively ensured, installation inside described main header box is moulded shell and is broken
Road device and Surge Protector.
Beneficial effect：（1）Connected mode of the present utility model is effectively reduced the consumption of 4 squares of cables, reduces electricity
The loss of voltage stood；（2）For complicated roofing, it is compared to the mode of connection of traditional centralized header box, this wiring side
Formula can effectively reduce cable skin abrasion and the inner lead fracture of wire situation that photovoltaic cable distance pulls and causes；（3）Fall
Low site operation difficulty, in this programme, bus cases shell is directly integrated mc4 plug, it is to avoid the reversed problem of assembly both positive and negative polarity；
（4）The positive level of bus cases that this programme provides accesses configuration fuse, has obvious breakpoint easy access, safety, reliability obtain
Improve；（5）Inside the main header box that this programme provides, the equipment such as breaker of plastic casing, Surge Protector are installed, can be effectively ensured
Each header box safe and reliable operation.
Brief description
Fig. 1 is the wiring diagram of the assembly joining unit in this utility model；
Fig. 2 enters an electrical schematic diagram outing formula bus cases in this utility model three；
Fig. 3 is the electrical schematic diagram of the main header box of Two In and One Out in this utility model.
Specific embodiment
Below by accompanying drawing, technical solutions of the utility model are described in detail, but protection domain of the present utility model
It is not limited to described embodiment.
Embodiment 1：As shown in figure 1, being the concrete attachment structure of 16 groups of photovoltaic module tandems, confluxing including two and propping up
Road, every 2 groups of photovoltaic module tandems are in parallel to access bus cases, and 4 cassette in series that conflux form the branch road that confluxes, Liang Tiaohui
Stream branch circuit parallel connection accesses main header box, and the outfan of header box accesses inverter；Wherein every first remittance confluxed on branch road
Stream box enters one for two and goes out formula circuit structure, and remaining 3 are entered one for three and go out formula circuit structure；It is public that bus cases shell is directly integrated mc4
Female, component string is directly accessed bus cases, and bus cases positive pole accesses configuration fuse；Breaker of plastic casing is installed inside main header box
Each header box safe and reliable operation is effectively ensured with Surge Protector.
As shown in Fig. 2 entering an internal circuit configuration outing formula bus cases in the system three, it is molten that its positive pole is terminated with configuration
Silk, if during bus cases maintenance, providing obvious breakpoint, providing safe and reliable maintenance environment, do not affect the fortune of other bus cases
OK；As shown in figure 3, being the internal circuit configuration of the main header box of Two In and One Out formula in the system, two cathode circuits access molten
Disconnected device, provides obvious breakpoint, easy access, provides safe and reliable maintenance environment；Internal access breaker of plastic casing and surge
Protector, it is to avoid thunderstorm weather is to the influence on system operation of whole system it is ensured that each header box safe and reliable operation.In the system
Circuit structure form, can greatly reduce the consumption of cable, effectively reduce droop loss.
Although as described above, having represented with reference to specific preferred embodiment and having described this utility model, it must not
It is construed to the restriction to this utility model itself.In the spirit and scope of the present utility model defining without departing from claims
Under the premise of, can various changes can be made in the form and details to it.
Claims (6)
1. a kind of array photovoltaic assembly convergence system, including 2n group photovoltaic module tandem, main header box and inverter, its feature
It is：Also include several bus cases, every m group photovoltaic module tandem is in parallel to access bus cases, and each bus cases are sequentially connected in series
Form the branch road that confluxes, some groups of branch circuit parallel connections that conflux access main header box, and the outfan of described header box accesses inverter；
Wherein, 4≤n；2≤m≤4；Every the branch road that confluxes includes 2 ~ 10 bus cases；Every first bus cases confluxing on branch road
Enter one for two and go out formula circuit structure, remaining enters one for three and goes out formula circuit structure.
2. array photovoltaic assembly convergence system according to claim 1 it is characterised in that：N is 8；M is 2.
3. array photovoltaic assembly convergence system according to claim 1 it is characterised in that：Described main header box enters for two
One goes out formula circuit structure, and input connects two groups of branch roads that conflux, and outfan connects inverter.
4. array photovoltaic assembly convergence system according to claim 1 it is characterised in that：Described bus cases shell is direct
Integrated mc4 master-slave socket, component string is directly accessed bus cases.
5. array photovoltaic assembly convergence system according to claim 1 it is characterised in that：Described bus cases positive pole accesses
Configuration fuse.
6. array photovoltaic assembly convergence system according to claim 1 it is characterised in that：Peace inside described main header box
Dress breaker of plastic casing and Surge Protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573158.2U CN205961055U (en) | 2016-06-13 | 2016-06-13 | Photovoltaic module system of converging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573158.2U CN205961055U (en) | 2016-06-13 | 2016-06-13 | Photovoltaic module system of converging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961055U true CN205961055U (en) | 2017-02-15 |
Family
ID=57968091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620573158.2U Active CN205961055U (en) | 2016-06-13 | 2016-06-13 | Photovoltaic module system of converging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555338A (en) * | 2019-12-31 | 2020-08-18 | 远景智能国际私人投资有限公司 | Configuration method, device and equipment of electrical equipment and storage medium |
-
2016
- 2016-06-13 CN CN201620573158.2U patent/CN205961055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555338A (en) * | 2019-12-31 | 2020-08-18 | 远景智能国际私人投资有限公司 | Configuration method, device and equipment of electrical equipment and storage medium |
| CN111555338B (en) * | 2019-12-31 | 2023-05-12 | 远景智能国际私人投资有限公司 | Electrical equipment configuration method, device, equipment and storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |