CN104425646B - Solar module occlusion compensation device - Google Patents
Solar module occlusion compensation device Download PDFInfo
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- CN104425646B CN104425646B CN201310390504.4A CN201310390504A CN104425646B CN 104425646 B CN104425646 B CN 104425646B CN 201310390504 A CN201310390504 A CN 201310390504A CN 104425646 B CN104425646 B CN 104425646B
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- 238000002955 isolation Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000000873 masking effect Effects 0.000 claims description 42
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000000411 inducer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a kind of solar module occlusion compensation device, by an input port, the DC electric energy transducer of a tool isolation and output port composition.The input port of this solar module occlusion compensation device is connected to the two ends of a solar battery array including multiple series-connected solar cells modules, its output port connects to a solar module of this solar battery array, when this solar module that this output port connects is shielded from or part is covered, this solar module that the DC electric energy transducer output one compensation electric current injection of tool isolation is connected with this output port, to lift the voltage of the solar module that this is shielded from or part is covered, and lift output voltage and the power of this solar battery array.By the present invention, can reach the effect simplifying circuit with reducing manufacturing cost, can effectively reduce loss, and can effectively lift the energy conversion efficiency of solar power system.
Description
Technical field
The present invention is a kind of solar module occlusion compensation device, particularly relates to a kind of solar module masking
Compensation device can carry out electric current benefit to the solar module being shielded from a solar battery array or part is covered
Repay, to lift output voltage and the power of overall solar battery array.
Background technology
General residential area is when using solar battery array (solar cell array) it will usually by solar-electricity
Pond array is installed in the floor space of Roof of the house or uppermost storey, but the vicinity in installing place often has other protrusion to build thing,
Such as water tower, staircase, vent, parapet, escalator etc..Solar battery array is typically by multiple solaode moulds
Block (solar cell modular) is composed in series, except time sunlight at noon can be in addition to vertical irradiation ground, in the morning
Or afternoon have very long during in have the specific one or more solar module can be because surrounding protrudes the shadow effect that build thing
And be shielded from it is impossible to by the complete direct irradiation of sunlight, due to the installation position of each solar module be all it is known that because
This, the solar module that can be shielded from or partly cover usually can be learnt in advance, forms so-called solar-electricity
There is masking or part masking situation in the particular solar module in the array of pond.
Photograph in the case of solar module is shielded from or part is covered, received by this solar module
Degree is obviously reduced many, causes the output current of this solar module can substantially reduce, now, if control making solar energy
One overall output electric current of array is more than the output short circuit current of this shielded or partly masking solar module
When, shielded or part masking solar module will be unable to generate electricity, be converted into a load on the contrary, make this shielded or
The solar module of part masking has possibility that is overheated and damaging.
For avoiding shielded or part masking solar module to be damaged, each solar module is in envelope
During dress all can one or more backward diodes in parallel, when solar module is shielded or part cover when, because of diode
Forward turn on, this shielded solar module voltage can be by pincers to leveling off to 0V voltage, therefore this is shielded or part hides
The solar module covering will be unable to provide any power, thus reduce the output voltage of whole solar battery array with
On power, and the relation curve (P-V curve) of the Maximum Power Output of solar battery array and corresponding output voltage
Multiple peak dots will occur, therefore improve the degree of difficulty that overall its maximum power tracing of solar battery array controls.
Refer to shown in Fig. 1, be a kind of equalizer circuit used in solar battery array, for solving solaode mould
Block leads to the uneven problem of voltage because being shielded from or partly cover.This equalizer circuit connects to each solaode mould
Block, this equalizer circuit can effectively make the voltage of each solar module impartial, therefore when specific solar cell mould
When block is shielded from or part is covered, shielded or part masking its voltage of solar module still can remain unchanged, and makes
This shielded or part masking solar module remains to export electric energy, can effectively lift the output of solar battery array
Power.
If whole solar battery array includes n solar module, this equalizer circuit must contain an electricity
Sensor, n capacitor, (n+1) × 2 diode and n × 2 electronic power switch.Equalizer circuit shown in using Fig. 1 is as model
Example explanation, this solar battery array includes four pieces of solar module PV1-PV4, then this equalizer circuit includes an electricity
Sensor L, four capacitor C1-C4, ten diode D1-D10 and eight electronic power switch S1-S8.When this solaode
When the solar module number of array increases, the unit such as capacitor needed for this equalizer circuit, electronic power switch, diode
Part increases therewith, leads to integral member various, therefore has the shortcomings that to increase cost and wiring difficulty in practical application, and further drawback
It is when part solar module is shielded or part is covered, in this equalizer circuit, have several electronic power switch S1-
S8 must make high frequency switching, cause efficiency to reduce and control complicated.
Refer to shown in Fig. 2A, solve masking or part covers the existing practice of problem for another kind of, here is with a string four
As a example block solar module PV1-PV4, it is miniature straight that the exit point of every piece of solar module PV1-PV4 all connects one
Stream-direct current energy conversion equipment 41, then by the exit point series connection of four minisize dcs-direct current energy conversion equipment 41 even
Connect, after series connection, input an energy converter 42 again, can control each using this minisize dc-direct current energy conversion equipment 41
The output voltage of solar module PV1-PV4, makes shielded or part masking solar module PV1-PV4 remain to
Output par, c electric energy, with effective gross output lifting solar battery array.
As shown in Figure 2 B, each is miniature straight for the circuit framework of above-mentioned each minisize dc-direct current energy conversion equipment 41
Stream-direct current energy conversion equipment 41 needs to use two capacitor C1-C2, five electronic power switch S1-S5, inducers
L and diode D1 etc..If solar battery array has n solar module, this framework needs n individual miniature straight
Stream-direct current energy conversion equipment 41, therefore has that element is various, therefore has relatively costly lack difficult with wiring in practical application
Point, no matter and solar module whether is subjected to masking or part masking all needs to turn through this minisize dc-direct current energy
Changing device 41 carries out electric energy conversion, causes efficiency to reduce and controls complicated.
Content of the invention
It is one of at least to solve the above problems, the present invention provides a kind of solar module occlusion compensation device, its master
Syllabus be desirable in the way of relatively simple circuit framework, control mode and low setting cost, for a solaode
In array, shielded or part masking the solar module of specific meeting provides and compensates, to effectively improve solar battery array
Output voltage and electric energy.
Solve above-mentioned technical problem be employed technical scheme comprise that a kind of offer solar module occlusion compensation dress
Put, by an input port, the DC-to-dc energy converter of a tool isolation and output port composition.This solaode mould
The input port of block occlusion compensation device connects the solar battery array to a solar module having multiple series connection
Two ends, its output port connects to a solar module of this solar battery array, when this solar module
When the solar module that occlusion compensation device is connected is shielded from or part is covered, the masking of this solar module is mended
Repay device can from whole solar battery array extract part electric energy, converted after by power compensation to shielded or part cover
This solar module, to lift the voltage of this solar module, and make to be shielded from or part masking the sun
Can battery module sustainable output electric energy, and then be lifted at masking or part cover in the case of overall solar battery array defeated
Go out voltage and power.
Wherein, the described electric current that compensates is to be not affected by the solar module covering in described solar battery array
High-power output current and the difference of described its output current of solar module being shielded from or partly covering.
Wherein, the DC-to-dc energy converter of described tool isolation is a flyback DC-to-dc energy converter.
Wherein, the DC-to-dc energy converter of described tool isolation is a forward type DC-to-dc energy converter.
Wherein, when the described solar module that described output port connects is not shielded from or part is covered,
The DC-to-dc energy converter of described tool isolation is failure to actuate.
Generally speaking, the present invention at least possesses advantages below and effect：
1. the solar module occlusion compensation device in the present invention only needs to connect and extremely can be shielded from or part masking
The solar module of impact, rather than entirely each of solar battery array solar module, can
Improve overall solar power system output voltage and electric energy, the solar module occlusion compensation device of the therefore present invention makes
Less with element, cost is relatively low, and wiring is simpler, can reach the effect simplifying circuit with reducing manufacturing cost.
2. the masking of existing solar battery array or part masking settling mode must process whole solaodes
The power of array, and solar module occlusion compensation device of the present invention only needs to connect and extremely can be shielded from or part masking shadow
The solar module ringing, when part solar module is subjected to masking or part is covered, this solaode mould
The solar module that the required power processing of block occlusion compensation device is only shielded from or part masking affects reduces
Power, the loss of solar module occlusion compensation device therefore of the present invention can effectively reduce.
3. solar module occlusion compensation device of the present invention only in solar module shielded or part cover
When just operate, and when solar module is not shielded and not operating, therefore do not affect the behaviour of script solar battery array
Make, can effectively lift the energy conversion efficiency of solar power system.
Brief description
Fig. 1 is the circuit diagram being applied to solar battery array with existing equalizer circuit；
Fig. 2A is in the circuit block diagram of solar battery array with existing minisize dc-direct current energy converter application；
Fig. 2 B is the detailed circuit diagram of the minisize dc-direct current energy transducer in the middle of Fig. 2A；
Fig. 3 is the system block diagrams of the present invention；
Fig. 4 is the circuit diagram of solar module occlusion compensation device one of the present invention preferred embodiment；
Fig. 5 is the circuit diagram of another preferred embodiment of solar module occlusion compensation device of the present invention.
Specific embodiment
Hereinafter cooperation schema and presently preferred embodiments of the present invention, are expanded on further the present invention for reaching predetermined goal of the invention institute
The technological means taken.
Refer to shown in Fig. 3, be that solar module occlusion compensation device 2 of the present invention is applied to a solar electrical energy generation system
The circuit block diagram of the preferred embodiment of system, this solar power system comprises：One solar battery array 1 and electric energy conversion
Device 3, this solar module occlusion compensation device 2 comprises the DC-to-dc electric energy conversion of an input port 20, tool isolation
Device 21 and an output port 22.
This solar battery array 1 is made up of the solar module of multiple series connection, is with four in this preferred embodiment
Illustrate as a example piece solar module 11-14, and solar module 11-14 is the solaode mould of same model
Block, therefore each solar module output voltage are rough identical under equivalent environment and illumination with output, each sun
The output voltage of energy battery module 11-14 becomes the output voltage Vtotal of this solar battery array 1 after adding up.
This input port 20 of this solar module occlusion compensation device 2 connects to this solar battery array 1
Two ends, the solar module that can be covered or partly cover can be any one of solar module 11-14, is
Convenient explanation assumes that in this solar battery array 1, only this solar module 14 may be covered or part is covered,
But it is not intended to limiting the invention, this output port 22 of therefore this solar module occlusion compensation device 2 connect to
This solar module 14 two ends.This energy converter 3 can be one direct current-direct current energy transducer, and it is in order to control this too
The output voltage Vtotal of sun energy array 1, to realize the maximum power tracing to this solar battery array 1.
Refer again to Fig. 3 solar module of the present invention occlusion compensation device and be applied to the preferable of solar power system
Embodiment, when solar battery array 1 is not shielded, this solar module occlusion compensation device 2 can't operate, because
The masking of this this solar module is mended compensation device 2 and will not be produced extraneoas loss.When this solar module 14 is subjected to
When masking or part are covered, this solar module occlusion compensation device 2 comes into operation, when solar module 14 is in quilt
In the case of masking or part masking, the peak power voltage V of this solar module 14MPPCan produce and slightly change, but it is
High-power electric current IMPPMany can be significantly reduced, this peak power electric current IMPPThe degree reducing is determined by the degree being shielded from.
It is 1/n that this solar module occlusion compensation device 2 has voltage gain, and wherein n is this solar array
The quantity of series-connected solar cells module 11-14 that row 1 comprise, comprises four solaodes in the preferred embodiment of Fig. 3
Module 11-14, therefore n are equal to 4, so that the voltage of the solar module 14 being hidden or partly covering can level off to and other
Not shielded solar module 11,12,13 terminal voltage.After adding this solar module occlusion compensation device 2, should
Solar module occlusion compensation device 2 will provide a compensation electric current ICOMGive the solar-electricity being shielded from or partly covering
Pond module 14, makes this voltage being subjected to the solar module 14 of masking or part masking remain to operate maximum close to it
The voltage V of powerMPP, make this be subjected to the solar module 14 covering or partly covering and remain to maintenance output current and continue
Supervention electricity.
Thereby avoid following problem：When solar module 14 is shielded or part is covered, due to this solar-electricity
The maximum power point output current being not affected by the solar module of masking in pond array 1 is subjected to masking or part more than this
The output short circuit current of the solar module 14 of masking, and make this solar module 14 itself internal and connect two
Pole pipe turns on, and causes this output voltage being subjected to the solar module 14 of masking or part masking to level off to 0 volt, makes
This shielded or part masking solar module 14 cannot provide any power, thus reduces whole solaode
The output voltage of array 1 and power, and cause Maximum Power Output, to the relation of output voltage, multiple peak dots occur, increase this electricity
The degree of difficulty that energy transducer 3 maximum power tracing controls；In the present invention, this solar module occlusion compensation device 2 will
Extract part electric energy from the exit point of whole solar battery array 1, and then a compensation electric current I is providedCOM, this compensation electric current
It is the output of the maximum power point of solar module being not affected by covering or partly cover in this solar battery array 1
Electric current and the difference of this solar module 14 output current covered or part is covered.
This solar module occlusion compensation device 2 is only subjected to masking in the 4th solar module 14
Or part just can operate when covering, the compensation power P that this solar module occlusion compensation device 2 providesCOMIt is about 1/4 times
Total voltage Vtotal of solar battery array 1 be multiplied by this compensation electric current ICOM, i.e. PCOM=Vtotal/4×ICOM, this compensation work(
Rate PCOMDepending on the shielded degree of solar module 14, but compensate power PCOMLess than or equal to this solar battery array
The 1/4 of 1 output, therefore the capacity very little of this solar module occlusion compensation device 2, existing solar array
The masking of row or part cover the power that settling mode then must process whole solar battery arrays 1, the sun therefore of the present invention
The power loss of energy battery module occlusion compensation device 2 can effectively reduce.And when solar battery array 1 is not shielded,
This solar module occlusion compensation device 2 can't operate, therefore will not reduce when solar battery array 1 is not shielded
The generating efficiency of solar power system, the therefore present invention are better than the existing practice shown in Fig. 2A and Fig. 2 B；The sun of the present invention
Can only have the solar module 14 connecting to having masking or part masking puzzlement by battery module occlusion compensation device 2, rather than
Connect all of solar module 11-14, therefore compared to existing mode, the present invention can reach effective simplification circuit,
Reduce manufacturing cost, reduce and control complexity, wiring is simpler, the many merits such as lift system reliability.
When in this solar battery array 1, multiple solar modules may be covered or part is covered, can use
Multiple solar module occlusion compensation devices 2, the solar module that each may be covered can connect one
Solar module occlusion compensation device 2, the input port 21 of each solar module occlusion compensation device 2 connects
To the two ends of this solar battery array 1, and the output port 22 of each solar module occlusion compensation device 2 is then each
Do not connect to each the solar module two ends that may be covered or partly cover.
The DC-to-dc energy converter 21 of this tool isolation of this solar module occlusion compensation device 2 shown in Fig. 4
Can be made up of a flyback DC-to-dc energy converter 21A；Refer to Fig. 4, the DC-to-dc electric energy conversion of this tool isolation
It is defeated with one that device 21A comprises an input capacitor 2111, a transformator 2112, an electronic power switch 2113, a diode 2114
Go out capacitor 2115, this input capacitor 2111 of the DC-to-dc energy converter 21 of this tool isolation connects to this input
Mouth 20, this output capacitor 2115 of the DC-to-dc energy converter 21 of this tool isolation connects to this output port 22.
The DC-to-dc energy converter 21 of this tool isolation of this solar module occlusion compensation device 2 shown in Fig. 5
Can be made up of a forward type DC-to-dc energy converter 21B, the DC-to-dc energy converter 21 of this tool isolation includes
One input capacitor 2121, a transformator 2122, an electronic power switch 2123, a diode 2124, a diode 2125,
Inducer 2126 and an output capacitor 2127, this input capacitor of the DC-to-dc energy converter 21 of this tool isolation
2121 connect to this input port 20, and this output capacitor 2127 of the DC-to-dc energy converter 21 of this tool isolation connects
To this output port 22.
The above is only presently preferred embodiments of the present invention, not the present invention is done with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, a little change or repaiies when the technology contents of available the disclosure above are made
Adorn the Equivalent embodiments for equivalent variations, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real
Any simple modification, equivalent variations and modification that confrontation above example is made, all still fall within the scope of technical solution of the present invention
Interior.
Claims (4)
1. a kind of solar module occlusion compensation device, is applied to one and includes multiple series-connected solar cells modules too
Sun energy array is it is characterised in that described solar module occlusion compensation device comprises：
One input port, for connecting to the two ends of described solar battery array；
One output port, for connecting to a solar module of described solar battery array；
The DC-to-dc energy converter of one tool isolation, when the described solar module that described output port connects is subject to
To when masking or part masking, the DC-to-dc energy converter output one compensation electric current of described tool isolation gives described outfan
The solar module being shielded from described in mouth connection or partly covering, described compensation electric current is described solar array
Be not affected by row cover the maximum power point output current of solar module with described be shielded from or part masking
The difference of solar module output current.
2. solar module occlusion compensation device as claimed in claim 1 it is characterised in that described tool isolation straight
Stream-direct current energy transducer is a flyback DC-to-dc energy converter.
3. solar module occlusion compensation device as claimed in claim 1 it is characterised in that described tool isolation straight
Stream-direct current energy transducer is a forward type DC-to-dc energy converter.
4. solar module occlusion compensation device as claimed in claim 1 is it is characterised in that work as described output port even
When the described solar module connecing is not shielded from or part is covered, the DC-to-dc electric energy conversion of described tool isolation
Device is failure to actuate.
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| CN201310390504.4A CN104425646B (en) | 2013-08-29 | 2013-08-29 | Solar module occlusion compensation device |
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| CN201310390504.4A CN104425646B (en) | 2013-08-29 | 2013-08-29 | Solar module occlusion compensation device |
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| CN104425646B true CN104425646B (en) | 2017-03-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104702206A (en) * | 2015-04-03 | 2015-06-10 | 浙江昱能科技有限公司 | Photovoltaic power generation system using bypass type direct current converters |
| CN105680794B (en) * | 2016-04-12 | 2017-10-24 | 常熟市福莱德连接器科技有限公司 | Voltage compensation method Synergistic type photovoltaic combiner box and its method of work |
| CN110350864B (en) * | 2019-06-27 | 2022-03-29 | 西交利物浦大学 | Double-switch voltage balancing topology used under condition of partial shielding of photovoltaic string |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821858A (en) * | 2007-10-12 | 2010-09-01 | 弗劳恩霍夫应用研究促进协会 | Controllable switch-over device for a solar module |
| CN102244139A (en) * | 2011-06-17 | 2011-11-16 | 常州天合光能有限公司 | Method for eliminating damage of hot marks by controlling operating point with set voltage range of photovoltaic module |
| CN102355165A (en) * | 2011-09-30 | 2012-02-15 | 浙江大学 | Photovoltaic power generation device with global maximum power output function |
| CN102364408A (en) * | 2010-06-09 | 2012-02-29 | 艾思玛太阳能技术股份公司 | Method for recognizing and evaluating shadowing |
| CN102437218A (en) * | 2010-09-24 | 2012-05-02 | 奥塔装置公司 | Mixed wiring schemes for shading robustness |
| CN102439722A (en) * | 2009-05-25 | 2012-05-02 | 达伊4能量有限公司 | Photovoltaic module string arrangement and shading protection therefor |
| CN202261101U (en) * | 2011-09-30 | 2012-05-30 | 上海大全赛奥法电气科技有限公司 | Power optimizer and intelligent photovoltaic assembly |
| CN202268823U (en) * | 2011-09-14 | 2012-06-06 | 厦门蓝溪科技有限公司 | Solar photovoltaic power generation system capable of improving generating efficiency |
| CN102594211A (en) * | 2012-01-19 | 2012-07-18 | 北京工商大学 | Optimizing method and tracking device for output power of partially shielded photovoltaic power generation system |
| CN102916614A (en) * | 2011-08-03 | 2013-02-06 | 台达电子企业管理（上海）有限公司 | Photovoltaic system and photovoltaic module with voltage balancers |
| CN103066888A (en) * | 2013-01-23 | 2013-04-24 | 浙江大学 | Photovoltaic module with self compensating function |
-
2013
- 2013-08-29 CN CN201310390504.4A patent/CN104425646B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821858A (en) * | 2007-10-12 | 2010-09-01 | 弗劳恩霍夫应用研究促进协会 | Controllable switch-over device for a solar module |
| CN102439722A (en) * | 2009-05-25 | 2012-05-02 | 达伊4能量有限公司 | Photovoltaic module string arrangement and shading protection therefor |
| CN102364408A (en) * | 2010-06-09 | 2012-02-29 | 艾思玛太阳能技术股份公司 | Method for recognizing and evaluating shadowing |
| CN102437218A (en) * | 2010-09-24 | 2012-05-02 | 奥塔装置公司 | Mixed wiring schemes for shading robustness |
| CN102244139A (en) * | 2011-06-17 | 2011-11-16 | 常州天合光能有限公司 | Method for eliminating damage of hot marks by controlling operating point with set voltage range of photovoltaic module |
| CN102916614A (en) * | 2011-08-03 | 2013-02-06 | 台达电子企业管理（上海）有限公司 | Photovoltaic system and photovoltaic module with voltage balancers |
| CN202268823U (en) * | 2011-09-14 | 2012-06-06 | 厦门蓝溪科技有限公司 | Solar photovoltaic power generation system capable of improving generating efficiency |
| CN102355165A (en) * | 2011-09-30 | 2012-02-15 | 浙江大学 | Photovoltaic power generation device with global maximum power output function |
| CN202261101U (en) * | 2011-09-30 | 2012-05-30 | 上海大全赛奥法电气科技有限公司 | Power optimizer and intelligent photovoltaic assembly |
| CN102594211A (en) * | 2012-01-19 | 2012-07-18 | 北京工商大学 | Optimizing method and tracking device for output power of partially shielded photovoltaic power generation system |
| CN103066888A (en) * | 2013-01-23 | 2013-04-24 | 浙江大学 | Photovoltaic module with self compensating function |
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