CN202127252U - Solar photovoltaic grid-connected generation system - Google Patents
Solar photovoltaic grid-connected generation system Download PDFInfo
- Publication number
- CN202127252U CN202127252U CN2011202845555U CN201120284555U CN202127252U CN 202127252 U CN202127252 U CN 202127252U CN 2011202845555 U CN2011202845555 U CN 2011202845555U CN 201120284555 U CN201120284555 U CN 201120284555U CN 202127252 U CN202127252 U CN 202127252U
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- China
- Prior art keywords
- grid
- control inverter
- solar
- generation system
- power
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- 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.)
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model relates to the field of a power generation system, in particular to a solar photovoltaic grid-connected generation system. The solar photovoltaic grid-connected generation system converts direct current electricity converted by optical energy to sine wave current through a grid-connected control inverter by using the action of the grid-connected control inverter, wherein the sine wave current has the same frequency and phase as a power gird. The sine wave current is directly fed into the power grid and does not need to use a storage battery to store energy, thereby saving investment and maintenance cost. The solar photovoltaic grid-connected generation system comprises a solar battery assembly and a wire. An output end of the solar battery assembly is connected with the grid-connected control inverter through the wire, the grid-connected control inverter is connected with an electric energy metering device through the wire, and the electric energy metering device is connected with the power grid through a grid-connected cable. The solar battery assembly is a monocrystalline silicon or a polycrystalline silicon solar battery assembly. The grid-connected control inverter outputs alternating 380 V power source. The solar photovoltaic grid-connected generation system has the advantages of being convenient to install, low in cost, less in investment and convenient to maintain.
Description
Technical field
The utility model relates to the electricity generation system field, relates in particular to a kind of solar energy grid-connected photovoltaic system.
Background technology
Traditional energy has non-renewable; Face exhaustion, can produce harm such as waste gas simultaneously, in the today of advocating the low-carbon (LC) life; Solar energy is as a kind of new forms of energy, and it compares three big characteristics with conventional energy resource: first: it is the human the abundantest utilizable energy.According to estimates, in the very long in the past years, the sun has consumed itself sub-fraction energy.Being enough to from now on supply with the earth mankind, using tens years, really is inexhaustible.Second: on the earth, solar energy is arranged all anywhere, can develop on the spot, do not have transportation problem, especially the underdeveloped rural area of traffic, island and outlying district are had more the value of utilization.The 3rd: solar energy is a kind of energy of cleaning.When development and use, can not produce waste residue, waste water, waste gas, not have noise yet, more can not influence the ecological balance, can never pollute and public hazards.But existing solar power generation all is to use batteries to store energy, and investment is big, maintenance cost is high, and actual result of use is undesirable.
The utility model content
The above-mentioned deficiency that the utility model exists to prior art; Novel solar energy grid-connected photovoltaic system is provided, the be incorporated into the power networks effect of control inverter of its utilization, the direct current that luminous energy is transformed is converted into direct current energy and electrical network same frequency and synchronous sine-wave current through the control inverter that is incorporated into the power networks; And directly with this current fed electrical network; Need not use batteries to store energy, practice thrift investment and maintenance cost, use batteries to store energy to overcome traditional solar power generation; It is high to invest big maintenance cost, the unfavorable problem of result of use.
The purpose of the utility model is to realize through following technical scheme:
A kind of solar energy grid-connected photovoltaic system; Comprise solar module, electric wire; The output of said solar module is connected with the control inverter that is incorporated into the power networks through electric wire; The said control inverter that is incorporated into the power networks connects electric power meter through electric wire, and said electric power meter is connected with electrical network through the cable that is incorporated into the power networks.
Said solar module is monocrystalline silicon or polycrystalline solar module.
The said 380 volts of power supplys of control inverter output AC that are incorporated into the power networks.
The utility model beneficial effect: the output of solar module is by being wired to the control inverter that is incorporated into the power networks; The control inverter that is incorporated into the power networks is connected with electric power meter; Electric power meter is connected to electrical network through the cable that is incorporated into the power networks, and described solar module adopts monocrystaline silicon solar cell assembly or polycrystalline solar module.Be mapped to solar module as solar irradiation, then solar module becomes direct current with transform light energy, through the control inverter that is incorporated into the power networks direct current energy is converted into and electrical network same frequency and synchronous sine-wave current again; And, need not to use the independent electric power storage of storage battery, this solar energy grid-connected photovoltaic system directly with this current fed electrical network; Not only easy for installation, and cost is low, small investment; Easy to maintenance, this system also has the following advantages:
1, utilize clean, reproducible solar power generation, free from environmental pollution.
2, generating electricity and can get into electrical network, is energy storage device with the electrical network, saves storage battery, can reduce than the construction investment of independent solar photovoltaic system to reach about 40%.Thereby cost for solar power generation is greatly reduced, save storage battery and can improve the mean free error time of system and the secondary pollution of storage battery.
3, by in the inverter solar energy system being carried out maximal power tracing, improve the generating efficiency of system.
Description of drawings
Fig. 1 is the described solar energy grid-connected photovoltaic system structural representation of the utility model.Among the figure:
1, solar module; 2, electric wire; 3, the control inverter that is incorporated into the power networks; 4, the cable that is incorporated into the power networks; 5, electrical network; 6, electric power meter.
Embodiment
According to accompanying drawing and embodiment the utility model is done further explain below.
As shown in Figure 1; The solar energy grid-connected photovoltaic system of the utility model comprises solar module 1, electric wire 2, the control inverter 3 that is incorporated into the power networks, the cable 4 that is incorporated into the power networks, electrical network 5, electric power meter 6: solar module 1 tiling continuously is rack-mount; Form solar cell module array; The output of said solar module 1 is connected with the control inverter 3 that is incorporated into the power networks through electric wire 2; The said control inverter 3 that is incorporated into the power networks connects electric power meter 6 through electric wire 2; Just the output of solar module 1 is connected with the control inverter 3 that is incorporated into the power networks, electric power meter 6 through electric wire 2, and the output of last electric power meter 6 is connected with electrical network 5 through the cable 4 that is incorporated into the power networks: solar module 1 adopts monocrystaline silicon solar cell assembly or polycrystalline solar module: the 380 volts of power supplys of control inverter 3 output ACs that are incorporated into the power networks are connected with electrical network 5.
Its working method is after the solar panel that is installed in solar module 1 surface of rack surface absorbs solar light; Produce photovoltaic effect, the direct current that photovoltaic effect produces, direct current is input to the control inverter 3 that is incorporated into the power networks through electric wire; Be incorporated into the power networks control inverter 3 through electric component and software control; Adjust self output voltage frequency and phase place, convert and use the alternating current of electrical network to, use on the electrical network through being input to after electric power meter 6 meterings with the frequency homophase; Solar module 1 links to each other with the control inverter 3 that is incorporated into the power networks; Can directly insert the common application electrical network, reduce the loss and the investment of energy storage link, and produce green energy.
Claims (4)
1. solar energy grid-connected photovoltaic system; Comprise solar module, electric wire; It is characterized in that: the output of said solar module is connected with the control inverter that is incorporated into the power networks through electric wire; The said control inverter that is incorporated into the power networks connects electric power meter through electric wire, and said electric power meter is connected with electrical network through the cable that is incorporated into the power networks.
2. a kind of solar energy grid-connected photovoltaic system as claimed in claim 1 is characterized in that: said solar module is the monocrystaline silicon solar cell assembly.
3. a kind of solar energy grid-connected photovoltaic system as claimed in claim 1 is characterized in that: said solar module is a polycrystalline solar module.
4. like claim 1,2 or 3 described a kind of solar energy grid-connected photovoltaic systems, it is characterized in that: the said 380 volts of power supplys of control inverter output AC that are incorporated into the power networks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845555U CN202127252U (en) | 2011-08-08 | 2011-08-08 | Solar photovoltaic grid-connected generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845555U CN202127252U (en) | 2011-08-08 | 2011-08-08 | Solar photovoltaic grid-connected generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127252U true CN202127252U (en) | 2012-01-25 |
Family
ID=45490314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202845555U Expired - Fee Related CN202127252U (en) | 2011-08-08 | 2011-08-08 | Solar photovoltaic grid-connected generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001255A (en) * | 2012-12-21 | 2013-03-27 | 赵磊 | Grid-connected photovoltaic power generation system for residential housings |
| CN104569526A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering box |
| CN106388107A (en) * | 2016-06-16 | 2017-02-15 | 武汉美格科技股份有限公司 | Solar hat |
-
2011
- 2011-08-08 CN CN2011202845555U patent/CN202127252U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001255A (en) * | 2012-12-21 | 2013-03-27 | 赵磊 | Grid-connected photovoltaic power generation system for residential housings |
| CN103001255B (en) * | 2012-12-21 | 2014-10-08 | 赵磊 | Grid-connected photovoltaic power generation system for residential housings |
| CN104569526A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering box |
| CN106388107A (en) * | 2016-06-16 | 2017-02-15 | 武汉美格科技股份有限公司 | Solar hat |
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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: 20120125 Termination date: 20140808 |
|
| EXPY | Termination of patent right or utility model |