CN205017020U - Photovoltaic power supply unit - Google Patents
Photovoltaic power supply unit Download PDFInfo
- Publication number
- CN205017020U CN205017020U CN201520688319.8U CN201520688319U CN205017020U CN 205017020 U CN205017020 U CN 205017020U CN 201520688319 U CN201520688319 U CN 201520688319U CN 205017020 U CN205017020 U CN 205017020U
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- CN
- China
- Prior art keywords
- lightning protection
- power supply
- lightning
- filter
- photovoltaic power
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
The utility model discloses a photovoltaic power supply unit, including grid -connected inverter and monitoring device to the net dc -to -ac converter is connected with LCL wave filter and direct current lightning protection switch board respectively, and LCL wave filter and direct current lightning protection switch board are connected with respectively and exchange lightning protection switch board and direct current lightning protection collection flow box, exchanges lightning protection switch board and direct current lightning protection collection flow box and is connected with transformer and solar PV modules respectively, and the LCL wave filter still is connected with controlling means, and solar PV modules department is equipped with the sun and trails positioner in step, controlling means includes voltage detection unit and current detection unit, and voltage detection unit and current detection unit output are connected with control processing unit, and control processing unit's control output is connected with grid -connected inverter to net dc -to -ac converter, direct current lightning protection switch board, direct current lightning protection collection flow box, interchange lightning protection switch board, transformer, the sun are trailed positioner in step and all are connected with monitoring device.
Description
Technical field
The utility model relates to technical field of electric power, specifically, relates to a kind of photovoltaic power supply device.
Background technology
Photovoltaic generation is as a kind of energy risen; especially receive concern; for the sustainable development of the mankind, the saving of resource and environment protection and improve all highly beneficial; but; photo-voltaic power supply will be injected in electrical network; the power quality standard needing the electric energy of photo-voltaic power supply to meet to meet electrical network and specify, that is to say that the harmonic content of photovoltaic electric current must lower than prescribed limits.But do not notice this point in more existing photovoltaic generating systems, when occur large regions photovoltaic generating system is set after, with regard to needs by carrying out monitor and managment with intelligentized control device, thus the normal operation of support equipment.
So good stability when developing a kind of use, generating capacity are strong, management and control electric supply installation easily, just become the problem that insider needs solution badly.
Utility model content
For the problem in correlation technique, the utility model proposes a kind of photovoltaic power supply device, good stability during use, and generating capacity is strong, management and control is convenient, simultaneously the power quality standard that specifies lower than electrical network of the harmonic content of photovoltaic electric current.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of photovoltaic power supply device, comprise combining inverter and supervising device, described combining inverter is connected to LCL filter and DC lightning prevention control cubicle, described LCL filter and described DC lightning prevention control cubicle are connected to communication lightning-protection power distribution cabinet and DC lightning prevention header box, described communication lightning-protection power distribution cabinet and described DC lightning prevention header box are connected to transformer and solar photovoltaic assembly, described LCL filter is also connected with control device, described solar photovoltaic assembly place is provided with sun synchronous tracking positioner, and described transformer is electrically connected with electrical network; Described control device comprises voltage detection unit and current detecting unit, described voltage detection unit and described current detecting unit output are connected with controlled processing unit, the control output end of described controlled processing unit is connected with described combining inverter, and described combining inverter, described DC lightning prevention control cubicle, described DC lightning prevention header box, described communication lightning-protection power distribution cabinet, described transformer, described sun synchronous tracking positioner are all connected with described supervising device.
Further, described supervising device comprises data acquisition unit, and described data acquisition unit is connected with industrial computer, and described industrial computer is connected with display screen.
Further, described supervising device is connected in monitor supervision platform by wireless network.
Further, described LCL filter comprises filter inductance one, filter inductance two and filter capacitor, and described filter capacitor is in series with damping resistance.
The beneficial effects of the utility model: by the effect of LCL filter, supervising device and sun synchronous tracking positioner, effectively raise the generating capacity of photovoltaic generating system, and good stability, management and control conveniently, and then make this photovoltaic power supply device have more wide development space.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the fundamental diagram of the photovoltaic power supply device according to the utility model embodiment.
In figure:
1, combining inverter; 2, LCL filter; 3, DC lightning prevention control cubicle; 4, communication lightning-protection power distribution cabinet; 5, DC lightning prevention header box; 6, transformer; 7, solar photovoltaic assembly; 8, control device; 9, voltage detection unit; 10, current detecting unit; 11, controlled processing unit; 12, filter inductance one; 13, filter inductance two; 14, filter capacitor; 15, damping resistance; 16, supervising device; 17, sun synchronous tracking positioner; 18, data acquisition unit; 19, industrial computer; 20, display screen; 21, monitor supervision platform.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of photovoltaic power supply device according to embodiment of the present utility model, comprise combining inverter 1 and supervising device 16, described combining inverter 1 is connected to LCL filter 2 and DC lightning prevention control cubicle 3, described LCL filter 2 and described DC lightning prevention control cubicle 3 are connected to communication lightning-protection power distribution cabinet 4 and DC lightning prevention header box 5, described communication lightning-protection power distribution cabinet 4 and described DC lightning prevention header box 5 are connected to transformer 6 and solar photovoltaic assembly 7, described LCL filter 2 is also connected with control device 8, described solar photovoltaic assembly 7 place is provided with sun synchronous tracking positioner 17, described transformer 6 is electrically connected with electrical network, described control device 8 comprises voltage detection unit 9 and current detecting unit 10, described voltage detection unit 9 and described current detecting unit 10 output are connected with controlled processing unit 11, the control output end of described controlled processing unit 11 is connected with described combining inverter 1, and described combining inverter 1, described DC lightning prevention control cubicle 3, described DC lightning prevention header box 5, described communication lightning-protection power distribution cabinet 4, described transformer 6, described sun synchronous tracking positioner 17 are all connected with described supervising device 16.
In one embodiment, described supervising device 16 comprises data acquisition unit 18, and described data acquisition unit 18 is connected with industrial computer 19, and described industrial computer 19 is connected with display screen 20.
In one embodiment, described supervising device 16 is connected in monitor supervision platform 21 by wireless network.
In one embodiment, described LCL filter 2 comprises filter inductance 1, filter inductance 2 13 and filter capacitor 14, and described filter capacitor 14 is in series with damping resistance 15.
Conveniently understand technique scheme of the present utility model, below by way of in concrete occupation mode, technique scheme of the present utility model is described in detail.
When specifically using, the photovoltaic power supply device electricity described in described LCL filter 2 can ensure is when being injected in electrical network, and the electric energy of photo-voltaic power supply meets the power quality standard that electrical network specifies; Described monitor supervision platform 21 can understand the ruuning situation of described photovoltaic power supply device constantly by described supervising device 16; Described sun synchronous tracking positioner 17 can control the conversion that angle is carried out in orientation that described solar photovoltaic assembly 7 follows the sun.
In sum, by means of technique scheme of the present utility model, by the effect of LCL filter 2, supervising device 16 and sun synchronous tracking positioner 17, effectively raise the generating capacity of photovoltaic generating system, and good stability, management and control conveniently, and then make this photovoltaic power supply device have more wide development space.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a photovoltaic power supply device, it is characterized in that, comprise combining inverter (1) and supervising device (16), described combining inverter (1) is connected to LCL filter (2) and DC lightning prevention control cubicle (3), described LCL filter (2) and described DC lightning prevention control cubicle (3) are connected to communication lightning-protection power distribution cabinet (4) and DC lightning prevention header box (5), described communication lightning-protection power distribution cabinet (4) and described DC lightning prevention header box (5) are connected to transformer (6) and solar photovoltaic assembly (7), described LCL filter (2) is also connected with control device (8), described solar photovoltaic assembly (7) place is provided with sun synchronous tracking positioner (17), described transformer (6) is electrically connected with electrical network, described control device (8) comprises voltage detection unit (9) and current detecting unit (10), described voltage detection unit (9) and described current detecting unit (10) output are connected with controlled processing unit (11), the control output end of described controlled processing unit (11) is connected with described combining inverter (1), described combining inverter (1), described DC lightning prevention control cubicle (3), described DC lightning prevention header box (5), described communication lightning-protection power distribution cabinet (4), described transformer (6), described sun synchronous tracking positioner (17) is all connected with described supervising device (16).
2. photovoltaic power supply device according to claim 1, is characterized in that, described supervising device (16) comprises data acquisition unit (18), and described data acquisition unit (18) is connected with industrial computer (19), and described industrial computer (19) is connected with display screen (20).
3. photovoltaic power supply device according to claim 1, is characterized in that, described supervising device (16) is connected in monitor supervision platform (21) by wireless network.
4. photovoltaic power supply device according to claim 1, it is characterized in that, described LCL filter (2) comprises filter inductance one (12), filter inductance two (13) and filter capacitor (14), described filter capacitor (14) is in series with damping resistance (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688319.8U CN205017020U (en) | 2015-09-07 | 2015-09-07 | Photovoltaic power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688319.8U CN205017020U (en) | 2015-09-07 | 2015-09-07 | Photovoltaic power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017020U true CN205017020U (en) | 2016-02-03 |
Family
ID=55215604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688319.8U Expired - Fee Related CN205017020U (en) | 2015-09-07 | 2015-09-07 | Photovoltaic power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017020U (en) |
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2015
- 2015-09-07 CN CN201520688319.8U patent/CN205017020U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |