CN203883768U - Large-scale solar photovoltaic off-grid power generation system multi-combination device - Google Patents
Large-scale solar photovoltaic off-grid power generation system multi-combination device Download PDFInfo
- Publication number
- CN203883768U CN203883768U CN201420299297.1U CN201420299297U CN203883768U CN 203883768 U CN203883768 U CN 203883768U CN 201420299297 U CN201420299297 U CN 201420299297U CN 203883768 U CN203883768 U CN 203883768U
- Authority
- CN
- China
- Prior art keywords
- low
- distribution cabinet
- transformer
- generation system
- power generation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model discloses a large-scale solar photovoltaic off-grid power generation system multi-combination device which is characterized in that the device is composed of n off-grid power generation units (1), a low-voltage power distribution cabinet (2), a transformer (3), and an alternating-current load (4), and n is a positive integer greater than or equal to 1; and the off-grid power generation units (1) are connected with the low-voltage power distribution cabinet (2), the low-voltage power distribution cabinet (2) is connected with the transformer (3), and the transformer (3) is connected with the alternating-current load (4). The technical problem to be solved in the utility model is to provide a large-scale solar photovoltaic off-grid power generation system multi-combination device. The device can make full use of rich solar energy in remote areas and convert the solar energy into electric energy needed for people in remote areas to live, the multi-combination mode can adapt to various environments, the use of solar energy is maximized, unified management is facilitated, and the device is an ideal power supply for non-electrified areas.
Description
Technical field
The invention belongs to solar photovoltaic generation system device, particularly a kind of large solar photovoltaic is from the many combination units of net electricity generation system.
Background technology
Along with scientific and technological development, electric energy has been penetrated into the every field of mankind's activity widely, but in the whole world, also has 2,000,000,000 populations nearly not have access to electricity, wherein suitable major part is lived in the outlying district of economics of underdevelopment, is difficult to rely on extension normal power supplies to solve electrical problem.These outlying areas without electricity often solar energy resources are very abundant, adopt photovoltaic can effectively solve with normal power supplies and extend difficulty and electrical problem from net generating, existing photovoltaic meets outlying district agriculture, herdsman family illumination from net (independent) electricity generation system, it is very little that it produces power, system is simple, can not meet people completely and live and promote rapidly and a large amount of electricity consumptions, and system is reasonable not, is unfavorable for unified management and maintenance.
Summary of the invention
The object of this invention is to provide a kind of large solar photovoltaic from the many combination units of net electricity generation system, this device can make full use of the abundant solar energy in outlying district and be converted into the outlying district people required electric energy of living, and the mode of many combinations can adapt to various environment, utilize to greatest extent solar energy, be convenient to unified management, be the desirable power supply of areas without electricity simultaneously.
In order to reach above object, the technical solution used in the present invention is: a kind of large solar photovoltaic is from the many combination units of net electricity generation system, it is characterized in that, this device forms from net generator unit (1), low-voltage distribution cabinet (2), transformer (3), AC load (4) by n is individual, and n≤1 and n are positive integer; Describedly from net generator unit (1), be connected with low-voltage distribution cabinet (2), low-voltage distribution cabinet (2) is connected with transformer (3), and transformer (3) is connected with AC load (4); Describedly from net generator unit (1), comprise solar cell array (11), junction box (12), DC lightning prevention device (13), anti-reverse charging diode (14), controller (15), storage battery (16), separate inverter unit (17) and DC load (18); Described solar cell array (11) is connected with junction box (12), and junction box (12) is connected with DC lightning prevention device (13); Described DC lightning prevention device (13) is connected with anti-reverse charging diode (14), and anti-reverse charging diode (14) is connected with controller (15); Described storage battery (16), separate inverter unit (17), DC load (18) are all connected with controller (15); Described separate inverter unit (17) is connected with low-voltage distribution cabinet (2).
Operation principle of the present invention: select suitable azimuth and inclination angle to install solar cell array (11), solar cell array (11) converts solar energy into high-frequency DC and sends into junction box (12), junction box (12) is converted to high-frequency direct-current high voltage direct current again and is delivered to DC lightning prevention device (13), from DC lightning prevention device (13) high voltage direct current out, pass through anti-reverse charging diode (14), enter controller (15), by controller (15), optionally export high voltage direct current: can directly be used as DC load (18), or by electrical power storage in storage battery (16), while needing, be directly delivered to DC low voltage power supply (5), or be delivered to separate inverter unit (17), separate inverter unit (17) becomes high-voltage d. c inverse transform and the simple sinusoidal alternating current of line voltage with frequency, homophase, be delivered to again low-voltage distribution cabinet (2), low-voltage distribution cabinet (2) flows to transformer (3) by alternating current, by transformer (3), boost, be finally delivered to AC load (4).
The invention has the beneficial effects as follows: (1) the present invention has infinitely-great overall size, the multiple way of output, not only for the numerous residents masses of areas without electricity, improve the quality of living, meet the required power supply of various electric equipment utensil electricity consumption, be also these regional economic developments, found various enterprises, use various power consumption equipments that power conditions is provided.
(2) the present invention is comprised of a plurality of generator unit, and each generator unit all can single construction, and Independent Power Generation, operation and maintenance management do not affect all the other subsystems or the whole generating from net electricity generation system, operation and maintenance management.This design has not only improved the flexibility that photovoltaic off-grid electricity generation system is installed, and can select different mounting meanss according to backwoodsman landform and territorial environment, can be more fast, efficient, flood tide obtains the huge resource of solar power generation.
(3) concentrating operation management is convenient in the present invention, United Dispatching, and its cost of electricity-generating is relatively low.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention.
Fig. 2 is the single structural representation from the combination of net generator unit of the present invention.
Fig. 3 is 10 structural representations from the combination of net generator unit of the present invention.
Fig. 4 is the individual structural representation from the combination of net generator unit of n of the present invention.
At the numerical reference described in Figure of description, be expressed as: 1, from net generator unit; 2, low-voltage distribution cabinet; 3, transformer; 4, AC load; 5, DC low voltage power supply; 11, solar cell array; 12, junction box; 13, DC lightning prevention device; 14, anti-reverse charging diode; 16, storage battery; 15, controller; 17, separate inverter unit; 18, DC load.
Embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing, describe the present invention, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
Referring to Fig. 1, Fig. 2,100Kwp large solar photovoltaic is from the many combination units of net electricity generation system, and this device is comprised of from net generator unit 1, low-voltage distribution cabinet 2, transformer 3, AC load 41 100Kwp.100Kwp comprises 100Kwp solar cell array 11, junction box 12, DC lightning prevention device 13, anti-reverse charging diode 14, controller 15, storage battery 16,100KVA separate inverter unit 17 and DC load 18 from net generator unit 1.
Select suitable azimuth and inclination angle to install 100Kwp solar cell array 11, the direct current that 100Kwp solar cell array 11 is received is delivered to junction box 12, junction box 12 is converted to high-frequency direct-current high voltage direct current flow through successively DC lightning prevention device 13, anti-reverse charging diode 14, controller 15 again, by controller 15, optionally export high voltage direct current: can directly be used as DC load 18, or electrical power storage, in storage battery 16, is directly delivered to DC low voltage power supply 5 while needing; Or be delivered to separate inverter unit 17, separate inverter unit 17 becomes high-voltage d. c inverse transform and the simple sinusoidal alternating current of line voltage with frequency, homophase, then is delivered to low-voltage distribution cabinet 2, and low-voltage distribution cabinet 2 flows to transformer 3 by alternating current, by transformer 3, boost, be finally delivered to AC load 4.
Referring to Fig. 1, Fig. 3,1Mwp large solar photovoltaic is from the many combination units of net electricity generation system, by forming from net generator unit 1 of 10 100Kwp, 10 alternating currents that produce from net generator unit 1 are all delivered to low-voltage distribution cabinet 2, by low-voltage distribution cabinet 2, alternating current is flowed to transformer 3 again and boost, be finally delivered to AC load 4; Or can directly be used as DC load 18; Or each from net generator unit 1 by power storage in storage battery 16 separately, can directly be delivered to DC low voltage power supply 5 whenever necessary.
Referring to Fig. 1, Fig. 4, a kind of large solar photovoltaic is from the many combination units of net electricity generation system, this device forms from net generator unit 1, low-voltage distribution cabinet 2, transformer 3, AC load 4 by n is individual, n≤1 and n are positive integer, the individual alternating current producing from net generator unit 1 of n is all delivered to low-voltage distribution cabinet 2, through boosting by transformer 3, be finally delivered to AC load 4 again; Or can directly be used as DC load 18; Or each from net generator unit 1 by electrical power storage in storage battery 16 separately, can directly be delivered to DC low voltage power supply 5 whenever necessary.
Large solar photovoltaic comprises structure and the design of optical electric field, solar cell array, photoelectric conversion, photoelectric yield from net electricity generation system, scientific allocation, arrange the fine coupling of reasonable and every engineering specifications, technical advanced person.Should concentrate implementation management from net generating system apparatus, and than little, medium-sized, from net photovoltaic system installation cost, reduce, economic worth improves greatly.
Applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above example is just for helping to understand method of the present invention and core concept thereof.The above is only the preferred embodiment of the present invention, should be understood that, finiteness due to literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, retouching or variation, also above-mentioned technical characterictic can be combined by rights; These improve retouching, change or combination, or without improving, the design of invention and technical scheme are directly applied to other occasion, all should be considered as protection scope of the present invention.
Claims (1)
1. large solar photovoltaic, from the many combination units of net electricity generation system, is characterized in that, this device forms from net generator unit (1), low-voltage distribution cabinet (2), transformer (3), AC load (4) by n is individual, and n≤1 and n are positive integer; Describedly from net generator unit (1), be connected with low-voltage distribution cabinet (2), low-voltage distribution cabinet (2) is connected with transformer (3), and transformer (3) is connected with AC load (4); Describedly from net generator unit (1), comprise solar cell array (11), junction box (12), DC lightning prevention device (13), anti-reverse charging diode (14), controller (15), storage battery (16), separate inverter unit (17) and DC load (18); Described solar cell array (11) is connected with junction box (12), and junction box (12) is connected with DC lightning prevention device (13); Described DC lightning prevention device (13) is connected with anti-reverse charging diode (14), and anti-reverse charging diode (14) is connected with controller (15); Described storage battery (16), separate inverter unit (17), DC load (18) are all connected with controller (15); Described separate inverter unit (17) is connected with low-voltage distribution cabinet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299297.1U CN203883768U (en) | 2014-06-07 | 2014-06-07 | Large-scale solar photovoltaic off-grid power generation system multi-combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299297.1U CN203883768U (en) | 2014-06-07 | 2014-06-07 | Large-scale solar photovoltaic off-grid power generation system multi-combination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883768U true CN203883768U (en) | 2014-10-15 |
Family
ID=51684228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420299297.1U Active CN203883768U (en) | 2014-06-07 | 2014-06-07 | Large-scale solar photovoltaic off-grid power generation system multi-combination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079239A (en) * | 2014-06-07 | 2014-10-01 | 张祈泰 | Multi-combination device of large-scale solar photovoltaic off-grid power generation system |
-
2014
- 2014-06-07 CN CN201420299297.1U patent/CN203883768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079239A (en) * | 2014-06-07 | 2014-10-01 | 张祈泰 | Multi-combination device of large-scale solar photovoltaic off-grid power generation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202001202U (en) | Non-grid-connected wind-driven generating set used for hydrogen manufacturing | |
| CN102931653A (en) | Comprehensive coordination control method of wind-solar direct current micro-grid | |
| CN105226714A (en) | A kind of offshore wind farm direct current converges transmission system and method for designing | |
| CN205141697U (en) | Scene integration high -power topological structure of converter system that is incorporated into power networks | |
| CN102013694A (en) | Transformerless wind power generation grid-connected topology structure based on MMC | |
| CN102013695A (en) | Grid-connected topology structure without transformer based on H-bridge used for wind power generation | |
| CN104868498A (en) | Topological structure for wind-solar integrated large-power grid-connected converter system | |
| CN104600719A (en) | System and method for connecting photovoltaic power generation system with comprehensive reactive compensation control system in grid-connected mode | |
| CN203352190U (en) | Direct current power transmission system of wind generating set | |
| CN103050994A (en) | Scattered rectifying and centralized inverting wind power generation system | |
| Bayhan et al. | Power electronic converters and control techniques in AC microgrids | |
| CN203589824U (en) | Renewable energy power generation, power transmission and transformation and power grid access integration system | |
| CN105048505B (en) | A kind of wind-solar complementary type micro-grid system for intelligent residential district | |
| CN202633939U (en) | DC LAN (Direct Current Local Area Network)-based distributed power generation system | |
| CN103972923A (en) | Multi-combination device of large solar photovoltaic grid-connected power generation system | |
| CN203883768U (en) | Large-scale solar photovoltaic off-grid power generation system multi-combination device | |
| CN203722249U (en) | Distributed photovoltaic grid-connected power generation system | |
| CN201714347U (en) | Energy-saving wind power/network power combined system of oil pumping unit in oil field | |
| CN205123278U (en) | Marine wind power direct current assembles power transmission system | |
| CN204258331U (en) | A kind of complementary solar photovoltaic generation system | |
| CN202034793U (en) | Non-transformer wind power generation grid connection topology structure based on H bridge | |
| CN203406623U (en) | Novel modularized common DC bus new energy power generation comprehensive experiment device | |
| CN203707793U (en) | Micro grid system used for island power supply | |
| CN101409451A (en) | Multi-fan parallel connection type wind-light complementation power generation system | |
| CN201113455Y (en) | Wind and light complementary grid-connected system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |