CN205753441U - A kind of inverse-excitation type solar inverter based on FPGA - Google Patents
A kind of inverse-excitation type solar inverter based on FPGA Download PDFInfo
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- CN205753441U CN205753441U CN201620286289.2U CN201620286289U CN205753441U CN 205753441 U CN205753441 U CN 205753441U CN 201620286289 U CN201620286289 U CN 201620286289U CN 205753441 U CN205753441 U CN 205753441U
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- fpga
- module
- inverse
- excitation type
- inverter
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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
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
nullThe utility model discloses a kind of inverse-excitation type solar inverter based on FPGA，Including solar battery group、Voltage sample module、FPGA control module、DC DC changer、Drive circuit、Inverse-excitation type inverter module、Transformator、Over-voltage over-current protection circuit、Microprocessor，The luminous energy received is converted into electric energy by solar battery group，Voltage sample module is sampled from solar module outfan，And sampled signal is input to FPGA processing module，FPGA processing module controls DC DC changer Maximum Power Output and controls drive circuit，Solar battery group output voltage is realized maximal power tracing by Boost circuit by DC DC changer，Drive circuit is controlled to drive photovoltaic combining inverter by FPGA module，Grid-connected module utilizes inverse-excitation type DC AC circuit to be alternating current by DC conversion，The alternating current that inverter produces is changed and accesses electrical network by transformator，Utilize FPGA module control realization maximal power tracing，And realize efficiently and stably the unidirectional current in solar battery group is converted to alternating current.
Description
Technical field
This utility model relates to new energy development field, a kind of inverse-excitation type solar inverter based on FPGA.
Background technology
Solar use mainly has three kinds of forms such as solar thermal utilization, photovoltaic utilization and photochemistry utilization.Heat utilization mainly exists
Field of heating is the most, and form is more single；And photovoltaic generation can be converted into the most common utilization of energy solar energy
Mode electric energy, thus there is the advantage that heat utilization is incomparable, photovoltaic generating system has compared with other electricity generation systems
A lot of advantages, but there is also clearly disadvantageous: the most basic element of (1) photovoltaic generation is photovoltaic array, mainly have monocrystal silicon,
Polysilicon, non-crystalline silicon and film photovoltaic cell etc..Usually, monocrystal silicon photoelectric conversion efficiency is 10%～about 15%, amorphous
Silicon photrouics efficiency is 5%～about 8%, and the current conversion ratio of film photovoltaic cell is only 2%～about 4%.Due to light
Photoelectric transformation efficiency is the lowest, so that photovoltaic generation power density is low, it is difficult to form high power generation system.And due to photoelectricity
Transform management is unfavorable, and the utilization rate of real solar energy only has 50%～70%.(2) system cost cost is high.Due to photovoltaic generation
Efficiency is low, and will send enough electricity then needs many photovoltaic battery panels.Compared to current firepower and hydroelectric generation, photovoltaic generation
Cost be about 6～20 times of the latter, cost height is the main cause that restricting current photovoltaic generation market is fast-developing.(3) send out
Electricity runs to be affected greatly by climatic environmental factor.(4) manufacture monocrystal silicon and polysilicon photovoltaic cells needs to consume considerable energy
Source.Silicon is that on the earth, in various elements, content is only second to the element of oxygen, is predominantly in the form of sand, becomes polysilicon from sand
To consume considerable energy through multiple tracks chemically and physically operation with monocrystal silicon, this is also high former of they production costs
Cause.
Utility model content
For problem above, this utility model provides a kind of inverse-excitation type solar inverter based on FPGA, uses anti-
Swash formula photovoltaic combining inverter, utilize FPGA module control realization maximal power tracing, and realize solar energy efficiently and stably
Unidirectional current in set of cells is converted to alternating current, can effectively solve the problem in background technology.
For achieving the above object, the following technical scheme of this utility model offer: a kind of inverse-excitation type solar energy based on FPGA
Inverter, including solar battery group, voltage sample module, FPGA control module, DC-DC converter, drive circuit, flyback
Formula inverter module, transformator, over-voltage over-current protection circuit, microprocessor, the luminous energy that described solar battery group will receive
Being converted into electric energy, and be sent to rear class DC-DC converter through circuit, DC-DC converter is by the output voltage of solar battery group
Maximal power tracing is realized by Boost circuit, anti-by being sent to after Boost circuit boosting inverter in DC-DC converter
Swashing formula inverter module, described voltage sample module is sampled at the outfan of solar battery group, and by the data transmission of sampling
To FPGA control module, FPGA control module is by driving drive circuit works after microprocessor processes, drive circuit is by FPGA
Module controls to drive photovoltaic combining inverter, and described grid-connected module utilizes the inverse-excitation type DC-AC circuit by DC conversion to be
Alternating current, described inverse-excitation type inverter is by drive circuit control, and the voltage that output voltage is transformed into coupling through transformator send
Enter electrical network.
As a kind of preferably technical scheme of this utility model, described FPGA module uses SDRAM to store as outside, and
Connect and have LED display.
As a kind of preferably technical scheme of this utility model, described microprocessor uses MPS430 chip to carry out at data
Reason.
As a kind of preferably technical scheme of this utility model, after described transformator, it is connected to over-voltage over-current protection module.
Compared with prior art, the beneficial effects of the utility model are: be somebody's turn to do inverse-excitation type solar inverter based on FPGA,
By utilizing the parallel processing advantage of FPGA, carry out voltage sample from solar battery group, and control DC-by constant voltage process
DC translation circuit realizes maximal power tracing, and utilizes FAGA chip controls drive circuit, to drive inverse-excitation type inverter by straight
Stream electricity is converted to unidirectional current, and by transformer isolation transformation, before and after reduction the impact of inter-stage transfer the energy to electrical network for
Use.Conversion efficiency is high, and system structure is simple and the low good stability of expense.
Accompanying drawing explanation
Fig. 1 is this utility model structured flowchart；
Fig. 2 is DC-DC module main circuit diagram in this utility model；
In figure: 1-solar battery group；2-voltage sample module；3-FPGA control module；4-DC-DC changer；5-drives
Galvanic electricity road；6-inverse-excitation type inverter；7-transformator；8-over-voltage over-current protection circuit；9-microprocessor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Embodiment:
Fig. 1 and Fig. 2, a kind of technical scheme of this utility model offer: a kind of inverse-excitation type solar energy based on FPGA are provided
Inverter, including solar battery group 1, voltage sample module 2, FPGA control module 3, DC-DC converter 4, drive circuit 5,
Inverse-excitation type inverter module 6, transformator 7, over-voltage over-current protection circuit 8, microprocessor 9, described solar battery group 1 will receive
To luminous energy be converted into electric energy, and be sent to DC-DC converter 4 through circuit, by Boost circuit liter in DC-DC converter 4
Buckling is sent to inverse-excitation type inverter module 6 after changing, described voltage sample module 2 is sampled at the outfan of solar battery group 1,
And the data of sampling are delivered to FPGA control module 3, FPGA control module 3 is driven after being processed by microprocessor 9 and drives electricity
Road 5 works, and described inverse-excitation type inverter 6 is controlled by drive circuit 5, and output voltage is transformed into the electricity of coupling through transformator 7
Force feed enters electrical network.
, described FPGA module 3 uses SDRAM to store as outside on above-described embodiment preferably, and connection has LED to show
Screen.
On above-described embodiment preferably, described microprocessor 9 uses MPS430 chip to carry out data process.
On above-described embodiment preferably, it is connected to over-voltage over-current protection module 8 after described transformator 7.
It is somebody's turn to do inverse-excitation type solar inverter based on FPGA, by utilizing the parallel processing advantage of FPGA, from solar-electricity
Pond group carries out voltage sample, and realizes maximal power tracing by constant voltage process control DC-DC conversion circuit, and utilizes FAGA
Chip controls drive circuit, to drive inverse-excitation type inverter that unidirectional current is converted to unidirectional current, and by transformer isolation transformation,
Before and after reduction, the impact of inter-stage transfers the energy to electrical network for use.Conversion efficiency is high, and system structure is simple and expense is low surely
Qualitative good.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (4)
1. an inverse-excitation type solar inverter based on FPGA, it is characterised in that include that solar battery group (1), voltage are adopted
Original mold block (2), FPGA control module (3), DC-DC converter (4), drive circuit (5), inverse-excitation type inverter module (6), transformation
Device (7), over-voltage over-current protection circuit (8), microprocessor (9), the luminous energy received is converted into by described solar battery group (1)
Electric energy, and it is sent to rear class DC-DC converter (4) through circuit, by Boost circuit boosting inverter in DC-DC converter (4)
After be sent to inverse-excitation type inverter module (6), described voltage sample module (2) solar battery group (1) outfan sample,
And the data of sampling are delivered to FPGA control module (3), FPGA control module (3) is driven after being processed by microprocessor (9)
Drive circuit (5) works, and described inverse-excitation type inverter (6) is controlled by drive circuit (5), and output voltage is through transformator (7)
The voltage being transformed into coupling sends into electrical network.
A kind of inverse-excitation type solar inverter based on FPGA the most according to claim 1, it is characterised in that: described FPGA
Module (3) uses SDRAM to store as outside, and connection has LED display.
A kind of inverse-excitation type solar inverter based on FPGA the most according to claim 1, it is characterised in that: described micro-place
Reason device (9) uses MPS430 chip to carry out data process.
A kind of inverse-excitation type solar inverter based on FPGA the most according to claim 1, it is characterised in that: described transformation
Over-voltage over-current protection module (8) it is connected to after device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286289.2U CN205753441U (en) | 2016-04-07 | 2016-04-07 | A kind of inverse-excitation type solar inverter based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286289.2U CN205753441U (en) | 2016-04-07 | 2016-04-07 | A kind of inverse-excitation type solar inverter based on FPGA |
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| Publication Number | Publication Date |
|---|---|
| CN205753441U true CN205753441U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620286289.2U Expired - Fee Related CN205753441U (en) | 2016-04-07 | 2016-04-07 | A kind of inverse-excitation type solar inverter based on FPGA |
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| Country | Link |
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| CN (1) | CN205753441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655827A (en) * | 2016-12-11 | 2017-05-10 | 湖北永恒太阳能股份有限公司 | Independent power supply device for router of information-type intelligent photovoltaic system |
-
2016
- 2016-04-07 CN CN201620286289.2U patent/CN205753441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655827A (en) * | 2016-12-11 | 2017-05-10 | 湖北永恒太阳能股份有限公司 | Independent power supply device for router of information-type intelligent photovoltaic system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200407 |