CN206178523U - Photovoltaic power generation system maximum power tracking means - Google Patents
Photovoltaic power generation system maximum power tracking means Download PDFInfo
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- CN206178523U CN206178523U CN201620992490.2U CN201620992490U CN206178523U CN 206178523 U CN206178523 U CN 206178523U CN 201620992490 U CN201620992490 U CN 201620992490U CN 206178523 U CN206178523 U CN 206178523U
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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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Abstract
The utility model discloses a photovoltaic power generation system maximum power tracking means, including solar PV modules, current transformer, voltage transformer and maximum power tracking solar control ware, solar PV modules is connected respectively to current transformer and voltage transformer input, and the output is connected maximum power and is trailed the solar control ware, and maximum power tracking solar control ware passes through the current transformer 2 module and connects current transformer 3, current transformer 3 current transformer 5, the utility model discloses the structure principle is simple, and intelligent degree is high, control accuracy is high, can realize that photovoltaic power generation maximum power trails, simultaneously power conversion efficiency can also be improved, energy losses has been reduced.
Description
Technical field
The utility model is related to field of photovoltaic technology, specially a kind of photovoltaic generating system maximum power tracking device.
Background technology
Photovoltaic power generation technology and industry are not only an important supplement of the current energy, more standby to become following main energy sources
The potentiality in source, but photovoltaic display high cost, conversion efficiency it is low, it is expensive, the initial stage input it is larger.And its power output
Easily affected by factors such as intensity of sunshine, ambient stables, in order to improve the efficiency of photovoltaic generating system, make full use of photovoltaic to display
Produced energy is the basic demand of photovoltaic generating system, in present photovoltaic generating system, usually requires that photovoltaic is displayed
Power output remain maximum, i.e., system can will in real time track the maximum power point of photovoltaic display.
The content of the invention
The purpose of this utility model is to provide a kind of photovoltaic generating system maximum power tracking device, to solve the above-mentioned back of the body
The problem proposed in scape technology.
For achieving the above object, the utility model provides following technical scheme：A kind of photovoltaic generating system peak power with
Track device, including solar photovoltaic assembly, current transformer, voltage transformer and maximal power tracing controller for solar, institute
State current transformer and the voltage transformer input connect respectively solar photovoltaic assembly, output end connect peak power with
Track controller for solar, the maximal power tracing controller for solar connects power output module by power driver module,
The power output module connection load.
Preferably, the power driver module includes switch tube driving circuit, IGBT switching tubes, metal-oxide-semiconductor, the first electronic cutting
Close and the second electronic switch, the colelctor electrode of the IGBT switching tubes is connected with the first power supply input, the IGBT switches
The emitter stage of pipe is connected with the second power supply input, and gate pole and the switch tube driving circuit of the IGBT switching tubes connect
Connect；The drain electrode of the metal-oxide-semiconductor is connected with the colelctor electrode of the IGBT switching tubes, and the source electrode of the metal-oxide-semiconductor is switched with the IGBT
The emitter stage connection of pipe, the grid of the metal-oxide-semiconductor respectively with the first end and second electronic cutting of first electronic switch
The first end connection of pass；Second end of first electronic switch is connected with the gate pole of the IGBT switching tubes；Described second is electric
Second end of son switch is connected with the source electrode of the metal-oxide-semiconductor；The control end of first electronic switch and second electronic cutting
The control end of pass is connected with the switch tube driving circuit.
Preferably, also including temperature sensor and temperature signal amplification module, the temperature sensor inputs connect too
Positive energy photovoltaic module, output end connection temperature signal amplification module, the temperature signal amplification module connects maximal power tracing
Controller for solar.
Preferably, the temperature signal amplification module includes operational amplifier, two-stage field-effect broad band amplifier and grips
Streamline circle a, input of the operational amplifier connects respectively resistance B one end and electric capacity B one end, another terminations of electric capacity B
Ground, the resistance B other ends connect respectively resistance A one end and electric capacity A one end, the output end of electric capacity A other end concatenation operation amplifiers,
Another input of operational amplifier connects respectively resistance C one end and resistance D one end, and resistance C other ends ground connection, resistance D is another
The output end of end concatenation operation amplifier；First end connection electric capacity E one end of the two-stage field-effect broad band amplifier, electric capacity E
Other end connection resistance F one end, the output end of resistance F other end concatenation operation amplifiers, two-stage field-effect broad band amplifier
Second end connects respectively electric capacity F one end, electric capacity G one end, electric capacity H one end by choking-winding, and the electric capacity F other ends, electric capacity G are another
One end, the electric capacity H other ends are grounded, and the 3rd end of two-stage field-effect broad band amplifier is put by electric capacity D, resistance E concatenation operations
The output end of big device, the end of two-stage field-effect broad band amplifier the 4th ground connection.
Preferably, the temperature sensor is divided into the first temperature sensor, second temperature sensor, the 3rd TEMP
Device, N temperature sensors, N is the integer more than 3.
Preferably, the maximal power tracing controller for solar model adopts SSCM-1224-15.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model structural principle is simple, and intelligence degree is high, control accuracy is high, can realize photovoltaic generation most
High-power tracking；In addition, the loss when power driver module that the utility model is adopted can reduce low current；Can also improve
Power conversion efficiency, reduces electric energy loss.
(2) the utility model can be realized to temperature also using multiple temperature sensors and temperature signal amplification module
The quick amplification of signal is simultaneously transmitted, and further increases maximal power tracing controller for solar control cabinet efficiency.
Description of the drawings
Fig. 1 is the theory diagram of the utility model embodiment one；
Fig. 2 is power driver module schematic diagram of the present utility model；
Fig. 3 is the theory diagram of embodiment of the present utility model two；
Fig. 4 is temperature signal amplification module schematic diagram of the present utility model；
In figure：1st, solar photovoltaic assembly；2nd, current transformer；3rd, voltage transformer；4th, maximal power tracing solar energy
Controller；5th, power driver module；6th, power output module；7th, load；8th, switch tube driving circuit；9th, IGBT switching tubes；10、
Metal-oxide-semiconductor；11st, the first electronic switch；12nd, the second electronic switch；13rd, the first power supply input；14th, the second power supply is defeated
Enter end；15th, temperature signal amplification module；16th, operational amplifier；17th, two-stage field-effect broad band amplifier；18th, choking-winding；
19th, the first temperature sensor；20th, second temperature sensor；21st, three-temperature sensor；171st, first end；172nd, the second end；
173rd, the 3rd end；174th, the 4th end；1a, resistance A；2a, resistance B；3a, resistance C；4a, resistance D；5a, resistance E；6a, resistance F；
1b, electric capacity A；2b, electric capacity B；3b, electric capacity C；4b, electric capacity D；5b, electric capacity E；6b, electric capacity F；7b, electric capacity G；8b, electric capacity H.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment one：
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of photovoltaic generating system maximal power tracing dress
Put, including solar photovoltaic assembly 1, current transformer 2, voltage transformer 3 and maximal power tracing controller for solar 4, electricity
Current transformer 2 and the input of the voltage transformer 3 connect respectively solar photovoltaic assembly 1, output end connect peak power with
Track controller for solar 4, the model of maximal power tracing controller for solar 4 adopts SSCM-1224-15；Maximal power tracing is too
Positive energy controller 4 connects power output module 6, the connection of power output module 6 load 7 by power driver module 5.
In the present embodiment, power driver module 5 includes switch tube driving circuit 8, IGBT switching tubes 9, metal-oxide-semiconductor 10, first
The electronic switch 12 of electronic switch 11 and second, the colelctor electrode of IGBT switching tubes 9 is connected with the first power supply input 13, IGBT
The emitter stage of switching tube 9 is connected with the second power supply input 14, gate pole and the switch tube driving circuit 8 of IGBT switching tubes 9
Connection；The drain electrode of metal-oxide-semiconductor 10 is connected with the colelctor electrode of IGBT switching tubes 9, the source electrode of metal-oxide-semiconductor 10 and the transmitting of IGBT switching tubes 9
Pole connects, the grid of metal-oxide-semiconductor 10 respectively with the first end and the first end of second electronic switch 12 of the first electronic switch 11
Connection；Second end of the first electronic switch 11 is connected with the gate pole of IGBT switching tubes 9；Second end of the second electronic switch 12 with
The source electrode connection of metal-oxide-semiconductor 10；The control end of the control end of the first electronic switch 11 and the second electronic switch 12 is driven with switching tube
Dynamic circuit 8 connects, and the power driver module that the utility model is adopted can reduce loss during low current；Power can also be improved
Conversion efficiency, reduces electric energy loss.
Embodiment two：
Fig. 3-4 are referred to, embodiment two is to increased multiple temperature sensors and temperature letter with the difference of embodiment one
Number amplification module, a kind of photovoltaic generating system maximum power tracking device, including solar photovoltaic assembly 1, current transformer 2,
Voltage transformer 3 and maximal power tracing controller for solar 4, current transformer 2 and the input of voltage transformer 3 connect respectively
Solar photovoltaic assembly 1, output end connection maximal power tracing controller for solar 4, maximal power tracing controller for solar 4
Model adopts SSCM-1224-15；Maximal power tracing controller for solar 4 connects power output mould by power driver module 5
Block 6, the connection of the power output module 6 load 7.
In the present embodiment, also including temperature sensor and temperature signal amplification module 15, temperature sensor inputs connection
Solar photovoltaic assembly 1, output end connection temperature signal amplification module 15, temperature signal amplification module 15 connect peak power with
Track controller for solar 4.
In the present embodiment, temperature signal amplification module 15 includes operational amplifier 16, two-stage field-effect broad band amplifier 17
And choking-winding 18, an input of operational amplifier 16 connects respectively resistance B 2a one end and electric capacity B 2b one end, electric
Hold B 2b other ends ground connection, the resistance B 2a other ends connect respectively resistance A 1a one end and electric capacity A 1b one end, and A 1b are another for electric capacity
The output end of one end concatenation operation amplifier 16, another input of operational amplifier 16 connects respectively resistance C 3a one end and electricity
Resistance D 4a one end, resistance C 3a other ends ground connection, the output end of resistance D 4a other end concatenation operations amplifier 16；Imitate two-stage field
The first end 171 for answering broad band amplifier 17 connects electric capacity E 5b one end, electric capacity E 5b other ends connection resistance F 6a one end, resistance
The output end of F 6a other end concatenation operations amplifier 16, the second end 172 of two-stage field-effect broad band amplifier 17 passes through chokes
Coil 18 connects respectively electric capacity F 6b one end, electric capacity G 7b one end, electric capacity H 8b one end, and the electric capacity F 6b other ends, electric capacity G
The 7b other ends, the electric capacity H 8b other ends are grounded, the 3rd end 173 of two-stage field-effect broad band amplifier 17 by electric capacity D 4b,
The output end of resistance E 5a concatenation operations amplifier 16, the end 174 of two-stage field-effect broad band amplifier 17 the 4th is grounded.Operation amplifier
Device 16 is processed signal, it is ensured that the quality of transmission signal, and signal message is amplified into 2 times by feedback principle, Ran Houzai
The two-stage field-effect broad band amplifier 17 for passing to below carries out secondary amplification to signal again, finally again by signal output, this
Utility model also using multiple temperature sensors and temperature signal amplification module, can realize the quick amplification to temperature signal
And transmit, further increase maximal power tracing controller for solar control cabinet efficiency.
The utility model structural principle is simple, and intelligence degree is high, control accuracy is high, can realize photovoltaic generation maximum work
Rate is tracked.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of photovoltaic generating system maximum power tracking device, including solar photovoltaic assembly (1), current transformer (2), electricity
Pressure transformer (3) and maximal power tracing controller for solar (4), it is characterised in that：The current transformer (2) and the electricity
Pressure transformer (3) input connects respectively solar photovoltaic assembly (1), output end connection maximal power tracing controller for solar
(4), the maximal power tracing controller for solar (4) connects power output module (6), institute by power driver module (5)
State power output module (6) connection load (7).
2. a kind of photovoltaic generating system maximum power tracking device according to claim 1, it is characterised in that：The power
Drive module (5) includes switch tube driving circuit (8), IGBT switching tubes (9), metal-oxide-semiconductor (10), the first electronic switch (11) and
Two electronic switches (12), the colelctor electrode of the IGBT switching tubes (9) is connected with the first power supply input (13), the IGBT
The emitter stage of switching tube (9) is connected with the second power supply input (14), and the gate pole of the IGBT switching tubes (9) is opened with described
Close tube drive circuit (8) connection；The drain electrode of the metal-oxide-semiconductor (10) is connected with the colelctor electrode of the IGBT switching tubes (9), described
The source electrode of metal-oxide-semiconductor (10) is connected with the emitter stage of the IGBT switching tubes (9), the grid of the metal-oxide-semiconductor (10) respectively with it is described
The first end connection of the first end of the first electronic switch (11) and second electronic switch (12)；First electronic switch
(11) the second end is connected with the gate pole of the IGBT switching tubes (9)；Second end of second electronic switch (12) with it is described
The source electrode connection of metal-oxide-semiconductor (10)；The control end of first electronic switch (11) and the control of second electronic switch (12)
End is connected with the switch tube driving circuit (8).
3. a kind of photovoltaic generating system maximum power tracking device according to claim 1, it is characterised in that：Also include temperature
Degree sensor and temperature signal amplification module (15), temperature sensor inputs connection solar photovoltaic assembly (1), output
End connection temperature signal amplification module (15), the temperature signal amplification module (15) connects maximal power tracing solar control
Device (4).
4. a kind of photovoltaic generating system maximum power tracking device according to claim 3, it is characterised in that：The temperature
Signal amplification module (15) includes operational amplifier (16), two-stage field-effect broad band amplifier (17) and choking-winding (18),
One input of the operational amplifier (16) connects respectively resistance B (2a) one end and electric capacity B (2b) one end, electric capacity B (2b)
The other end is grounded, and resistance B (2a) other end connects respectively resistance A (1a) one end and electric capacity A (1b) one end, and electric capacity A (1b) is another
The output end at end concatenation operation amplifier (16), another input of operational amplifier (16) connects respectively resistance C (3a) one end
With resistance D (4a) one end, resistance C (3a) other end ground connection, the output of resistance D (4a) other end concatenation operation amplifier (16)
End；First end (171) connection electric capacity E (5b) one end of the two-stage field-effect broad band amplifier (17), electric capacity E (5b) other end
Connection resistance F (6a) one end, the output end of resistance F (6a) other end concatenation operation amplifier (16), two-stage field-effect broadband is put
Second end (172) of big device (17) connects respectively electric capacity F (6b) one end, electric capacity G (7b) one end, electric capacity by choking-winding (18)
H (8b) one end, and electric capacity F (6b) other end, electric capacity G (7b) other end, electric capacity H (8b) other end be grounded, two-stage field-effect
3rd end (173) of broad band amplifier (17) by electric capacity D (4b), the output end of resistance E (5a) concatenation operation amplifier (16),
The end (174) of two-stage field-effect broad band amplifier (17) the 4th is grounded.
5. a kind of photovoltaic generating system maximum power tracking device according to claim 3, it is characterised in that：The temperature
Sensor is divided into the first temperature sensor (19), second temperature sensor (20), three-temperature sensor (21), N temperature and passes
Sensor, N is the integer more than 3.
6. a kind of photovoltaic generating system maximum power tracking device according to claim 1, it is characterised in that：The maximum
Power tracking controller for solar (4) model adopts SSCM-1224-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620992490.2U CN206178523U (en) | 2016-08-30 | 2016-08-30 | Photovoltaic power generation system maximum power tracking means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620992490.2U CN206178523U (en) | 2016-08-30 | 2016-08-30 | Photovoltaic power generation system maximum power tracking means |
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| CN206178523U true CN206178523U (en) | 2017-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200754A (en) * | 2016-08-30 | 2016-12-07 | 四川蜀旺新能源股份有限公司 | A kind of photovoltaic generating system maximum power tracking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200754A (en) * | 2016-08-30 | 2016-12-07 | 四川蜀旺新能源股份有限公司 | A kind of photovoltaic generating system maximum power tracking device |
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