CN106712698A - Multi-stage hybrid solar cell array and combined power supply method thereof - Google Patents
Multi-stage hybrid solar cell array and combined power supply method thereof Download PDFInfo
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- CN106712698A CN106712698A CN201710116349.5A CN201710116349A CN106712698A CN 106712698 A CN106712698 A CN 106712698A CN 201710116349 A CN201710116349 A CN 201710116349A CN 106712698 A CN106712698 A CN 106712698A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 abstract 15
- 210000000352 storage cell Anatomy 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000010586 diagram Methods 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
- H02S40/30—Electrical components
- H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
-
- 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
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Direct Current Feeding And Distribution (AREA)
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a multi-stage hybrid solar cell array and a combined power supply method thereof. The solar cell array comprises solar cells, a DC/DC converter, an energy storage cell, and load equipment. The solar cell array is characterized in that a plurality of solar cells form a solar cell module; each stage of the solar cell array comprises one or more solar cell array modules; compared with the next stage of the solar cell array, the stage of the solar cell array comprises fewer solar cell array modules; and each solar cell array module comprises more solar cells. The solar cell array can freely select the proper solar cell array modules for supply power to a load according to the size of power needed by the load.
Description
Technical field
The present invention relates to a kind of solar array assembled scheme, more particularly to a kind of multistage hybrid solar cell battle array
Assembled scheme.
Background technology
Solar array power-supply system, i.e., constitute the power supply that square formation converts light energy into electric energy with monomer solar cell
System.Solar array, batteries and power control unit are generally collectively constituted into a kind of hybrid-type solar cell
Battle array.Multiple monomer solar cells with cover plate constitute solar array square formation by power reguirements in series and parallel mode.
Conventional solar cell battle array assembled scheme is usually to be composed in series solar battery group by solar cell, and each is too
Positive energy battery pack composes in parallel array, then outwardly powers.This kind of assembled scheme output voltage is single, and DC/DC is become
Parallel operation performance requirement is high, it is impossible to adapt to multiple power load.
The content of the invention
It is an object of the invention to propose a kind of multistage hybrid solar cell battle array assembled scheme, this scheme can be according to load
Required watt level, suitable certain rank solar array module of unrestricted choice powers to the load；Powered to the load in this scheme
The DC/DC converters of solar array module output end have two kinds of mode of operations, DC/DC converters can be according to bearing power
Change adjustment mode of operation.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of multistage hybrid solar cell battle array, including multiple solar cells, multiple DC/DC converters, multiple energy storage
Battery, multiple load equipments, it is characterised in that：Multiple solar cells constitute a solar module, described multistage mixed
The every single order solar array for closing solar array includes one or more solar array modules, the upper single order sun
Can cell array compared with lower single order solar array, comprising less solar array module and each solar array
Module includes more solar cells.
Preferably, the solar array module in any single order solar array can be supplied independently to load equipment
Electricity.
Preferably, polylith solar cell is composed in series a solar battery group, multiple solar battery groups and joint group
Into a solar array module, the solar array module in different rank is combined by the solar cell of varying number
Form.
Preferably, each solar array module output end is configured with a DC/DC converter, the DC/DC conversion
Device is integrated with MPPT controller for solar, and each solar array module is independent to load equipment by DC/DC converters
Power supply.
Preferably, the DC/DC converters have two kinds of mode of operations：When load is in high power work pattern, DC/DC
Converter is operated in MPPT patterns；When load power demand hour, DC/DC converters are operated in non-maximum power point.
The present invention further includes following technical scheme：
Using the associating power supply method of above-mentioned multistage hybrid solar cell battle array, comprise the following steps：
S1, (s+t) × y solar cell are combined into a solar module for s+t rows y row, form the first rank
Solar array, the first rank solar battery array includes a solar module；
Solar module output voltage in S2, the first rank solar array to a DC/DC converters 1, to
First energy storage energy, it is final to drive the first electrical equipment；
S3, s × m solar cell composition second-order solar array of selection from (s+t) × y solar cell
First solar module；
First solar module output voltage in S4, second-order solar array is converted to the 2nd DC/DC
Device, it is final to drive the second electrical equipment to the second energy storage energy；
S5, the individual solar cell composition second-order solar-electricities of selection t × (y-n) from (s+t) × y solar cell
Second solar module of Chi Zhen；
Second solar module output voltage in S6, second-order solar array is converted to the 3rd DC/DC
Device, it is final to drive the 3rd electrical equipment to the 3rd energy storage energy；
S7, repeat the above steps, build the solar array module of lower single order solar array, and output voltage.
Preferably, the step S1 is specifically included：(s+t) × y solar cell is lined up according to the mode that s+t rows y is arranged
Array, wherein, the y solar cell series connection in every a line constitutes s+t solar battery group, this s+t solar-electricity altogether
Pond group is in parallel, forms a solar module of the first rank solar array, and this solar module includes (s+t)
× y solar cell.
Preferably, the step S3 is specifically included：(s+t) in the 1st row solar cell of the solar battery array of × y
1st row constitute a solar battery group to the series connection of m row solar cell, and the 1st row to s rows constitute s solar-electricity altogether
Pond group, this s solar battery group is in parallel, forms first solar array module in second-order solar array,
This solar array module includes s × m solar cell.
Preferably, the step S5 is specifically included：(s+t) the (n+1)th row in the s+1 rows of the solar battery array of × y
To the series connection of y row solar cell, a solar battery group is constituted, s+1 rows to s+t rows constitute t solar-electricity altogether
Pond group, this t solar battery group is in parallel, forms second solar array module in second-order solar array,
This solar array module includes t × (y-n) individual solar cell.
Preferably, a DC/DC converters, the 2nd DC/DC converters, the 3rd DC/DC converters are integrated with
MPPT controller for solar, when power needed for corresponding electrical equipment is big, DC/DC converters are operated in work in MPPT states；
The power hour needed for corresponding electrical equipment, DC/DC converters are operated in non-maximum power point.
The advantage of the invention is that：
Firstth, the different demand power of multistage hybrid solar cell battle array different output port correspondence of the invention, can root
Corresponding solar array module is chosen according to bearing power flexible in size；
Secondth, multistage hybrid solar cell battle array of the invention series battery not in same order solar array module
The number of middle series-connected cell is different, and output voltage is various, can select the close solar cell of voltage according to load voltage size
Array module, relative to the conventional solar cell single high-voltage output terminal mouthful of battle array assembled scheme, can effectively reduce and DC/DC is converted
The requirement of device service behaviour；
3rd, each solar array module independently can outwards power, and increase system redundancy, improve system reliability；
4th, DC/DC converters watt level can adjust mode of operation according to needed for load, effectively meet bearing power need
Ask, when load is in high power work pattern, DC/DC converters are operated in MPPT patterns, when load power demand hour,
DC/DC converters are operated in non-maximum power point.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as limitation of the present invention.And whole
In individual accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of connection diagram of multistage hybrid solar cell battle array of the invention.
Label is described as follows in figure：
1. the electrical equipment of 2. first energy-storage battery of a DC/DC converters 3. first
4. the electrical equipment of 5. second energy-storage battery of the 2nd DC/DC converters 6. second
7. the electrical equipment of the 3rd the 3rd energy-storage battery 9. of DC/DC converters 8. the 3rd
Numeral in figure bracket represents the line number and row number of solar cell in solar array with letter, for example,
(1,1) the first row first row solar cell is represented, (s+t y) represents s+t row y row solar cells.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described.
As shown in figure 1, the total s+t row y row solar cells of the present embodiment, wherein, y solar cell in every a line
Series connection, constitutes s+t solar battery group altogether, and this s+t solar battery group is in parallel, forms the first rank solar array,
Second-order solar battery array has a solar module, and this solar module includes (s+t) × y solar-electricity
Pond.
Solar module output voltage in first rank solar array to a DC/DC converters 1, to first
Energy-storage battery 1 stores energy, final to drive the first electrical equipment 3.
In the present embodiment, the 1st row constitute a solar energy to the series connection of m row solar cell in the 1st row solar cell
Battery pack, the 1st row to s rows constitute s solar battery group altogether, and this s solar battery group is in parallel, forms the second-order sun
A solar array module in energy cell array, this solar array module includes s × m solar cell.
First solar module output voltage in second-order solar array to the 2nd DC/DC converters 4,
Energy is stored to the second energy-storage battery 5, it is final to drive the second electrical equipment 6.
In the present embodiment, the (n+1)th row constitute a solar cell to the series connection of y row solar cell in s+1 rows
Group, s+1 rows to s+t rows constitute t solar battery group altogether, and this t solar battery group is in parallel, forms the second-order sun
Second solar array module in energy cell array, this solar array module includes t × (y-n) individual solar-electricity
Pond.
Second solar module output voltage in second-order solar array to the 3rd DC/DC converters 7,
Energy is stored to the 3rd energy-storage battery 8, it is final to drive the 3rd electrical equipment 9.
Wherein, a DC/DC converters 1 are integrated with MPPT controller for solar, and the power needed for the first electrical equipment 2 is big
When the first DC/DC converters 1 be operated in work in MPPT states；The power hour DC/DC conversion needed for the first electrical equipment 2
Device 1 is operated in non-maximum power point.
Wherein, the solar array battery in the rated voltage of the first electrical equipment 3 and the first rank solar array
Module output voltage is closest.
Wherein, the 2nd DC/DC converters 4 are integrated with MPPT controller for solar, and the power needed for the second electrical equipment 6 is big
When the 2nd DC/DC converters 4 be operated in work in MPPT states；The 2nd DC/DC of the power hour conversion needed for the second electrical equipment 6
Device 4 is operated in non-maximum power point.
Wherein, the first solar array in the rated voltage of the second electrical equipment 6 and second-order solar array
Battery module output voltage is closest.
Wherein, the 3rd DC/DC converters 7 are integrated with MPPT controller for solar, and the power needed for the 3rd electrical equipment 9 is big
When the 3rd DC/DC converters 7 be operated in work in MPPT states；The 3rd DC/DC of the power hour conversion needed for the 3rd electrical equipment 9
Device 7 is operated in non-maximum power point.
Wherein, the second solar array in the rated voltage of the 3rd electrical equipment 9 and second-order solar array
Battery module output voltage is closest.
It should be pointed out that the merely exemplary explanation application process of the invention of the present embodiment, not for the limitation present invention.It is any
It is familiar with the user of service of this kind of technology, above-described embodiment can be modified under the spirit and scope invented without prejudice to this.
Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. a kind of multistage hybrid solar cell battle array, including multiple solar cells, multiple DC/DC converters, multiple energy storage electricity
Pond, multiple load equipments, it is characterised in that：Multiple solar cells constitute a solar module, the multistage mixing
Every single order solar array of solar array includes one or more solar array modules, upper single order solar energy
Cell array compared with lower single order solar array, comprising less solar array module and each solar array mould
Block includes more solar cells.
2. multistage hybrid solar cell battle array according to claim 1, it is characterised in that：Any single order solar array
In solar array module independently can be powered to load equipment.
3. multistage hybrid solar cell battle array according to claim 1, it is characterised in that：Polylith solar cell series connection group
Into a solar battery group, multiple solar battery groups compose in parallel a solar array module, in different rank
Solar array module is combined by the solar cell of varying number and formed.
4. multistage hybrid solar cell battle array according to claim 2, it is characterised in that：Each solar array module
Output end is configured with a DC/DC converter, and the DC/DC converters are integrated with MPPT controller for solar, each solar energy
Battery array module is independently powered by DC/DC converters to load equipment.
5. multistage hybrid solar cell battle array according to claim 4, it is characterised in that：The DC/DC converters have two
Plant mode of operation：When load is in high power work pattern, DC/DC converters are operated in MPPT patterns；When bearing power is needed
Hour is asked, DC/DC converters are operated in non-maximum power point.
6. a kind of associating power supply method, using the multistage hybrid solar cell battle array described in claim any one of 1-5, described group
Method of supplying power to is closed to comprise the following steps：
S1, (s+t) × y solar cell are combined into a solar module for s+t rows y row, form the first rank sun
Energy cell array, the first rank solar battery array includes a solar module；
Solar module output voltage in S2, the first rank solar array to a DC/DC converters 1, to first
Energy storage energy, it is final to drive the first electrical equipment；
S3, choose from (s+t) × y solar cell s × m solar cell constitutes second-order solar array the
One solar module；
First solar module output voltage in S4, second-order solar array to the 2nd DC/DC converters, to
Second energy storage energy, it is final to drive the second electrical equipment；
S5, the individual solar cell composition second-order solar arrays of selection t × (y-n) from (s+t) × y solar cell
Second solar module；
Second solar module output voltage in S6, second-order solar array to the 3rd DC/DC converters, to
3rd energy storage energy, it is final to drive the 3rd electrical equipment；
S7, repeat the above steps, build the solar array module of lower single order solar array, and output voltage.
7. associating power supply method according to claim 6, the step S1 is specifically included：(s+t) × y solar cell according to
The mode of s+t rows y row lines up array, wherein, the y solar cell series connection in every a line constitutes s+t solar cell altogether
Group, this s+t solar battery group is in parallel, forms a solar module of the first rank solar array, this sun
Energy battery module includes (s+t) × y solar cell.
8. associating power supply method according to claim 6, the step S3 is specifically included：(s+t) solar battery array of × y
The 1st row solar cell in the 1st row to m row solar cell series connection, constitute a solar battery group, the 1st row to s
Row constitutes s solar battery group altogether, and this s solar battery group is in parallel, and in formation second-order solar array first
Individual solar array module, this solar array module includes s × m solar cell.
9. associating power supply method according to claim 6, the step S5 is specifically included：(s+t) solar battery array of × y
S+1 rows in (n+1)th row to y row solar cell series connection, constitute a solar battery group, s+1 rows to s+t rows
T solar battery group is constituted altogether, and this t solar battery group is in parallel, forms second in second-order solar array
Solar array module, this solar array module includes t × (y-n) individual solar cell.
10. associating power supply method according to claim 6, a DC/DC converters, the 2nd DC/DC converters, the 3rd
DC/DC converters are integrated with MPPT controller for solar, when power needed for corresponding electrical equipment is big, DC/DC converters
Work is operated in MPPT states；The power hour needed for corresponding electrical equipment, DC/DC converters are operated in non-peak power
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116349.5A CN106712698A (en) | 2017-03-01 | 2017-03-01 | Multi-stage hybrid solar cell array and combined power supply method thereof |
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|---|---|---|---|
| CN201710116349.5A CN106712698A (en) | 2017-03-01 | 2017-03-01 | Multi-stage hybrid solar cell array and combined power supply method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107947325A (en) * | 2017-12-15 | 2018-04-20 | 阳光电源股份有限公司 | The power supply selection circuit and power supply unit of a kind of multi input power supply |
| WO2020019830A1 (en) * | 2018-07-25 | 2020-01-30 | 南京奥视威电子科技股份有限公司 | Battery and external component |
| CN110854984A (en) * | 2019-10-11 | 2020-02-28 | 大气候物联网科技(广州)有限公司 | Double-solar-panel double-lithium battery charging management system and implementation method thereof |
| CN111312837A (en) * | 2018-11-23 | 2020-06-19 | 卡姆丹克太阳能（江苏）有限公司 | Multimedia solar cell array |
| EP4032180A4 (en) * | 2019-09-16 | 2023-06-21 | WH Mechanical Engineering Inc. | An apparatus, method and article for maximizing solar charge current through the use of split wire(s) in a solar array with solar panels connected in the combination of series and parallel |
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Application publication date: 20170524 |