CN106208912A - A kind of wind-solar hybrid control system and method - Google Patents
A kind of wind-solar hybrid control system and method Download PDFInfo
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- CN106208912A CN106208912A CN201610663884.8A CN201610663884A CN106208912A CN 106208912 A CN106208912 A CN 106208912A CN 201610663884 A CN201610663884 A CN 201610663884A CN 106208912 A CN106208912 A CN 106208912A
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- voltage
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- rectification
- wind
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005070 sampling Methods 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 14
- 239000000178 monomer Substances 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
-
- 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
Abstract
The invention discloses a kind of wind-solar hybrid control system and method; sampled by the voltage that rectification unit is exported, current signal, the voltage signal of external accumulator battery input; by control unit, sampled data is analyzed, processes; achieve solar panel, the control of blower fan well; achieve the charge protection to accumulator battery; avoiding between storage battery unit cell can not equalizaing charge problem; it is greatly improved the service life of accumulator battery, improves system reliability of operation.
Description
Technical field
The present invention relates to a kind of wind-solar hybrid control system and method, belong to electronic technology field.
Background technology
Wind-solar hybrid control system is the core of wind and solar hybrid generating system, and it controls whole system makes its reasonably stability
Ground runs.The major function of control system is that accumulator carries out charge and discharge control, system protection, regulation and distribution system input
The electricity of output and execution system monitoring function.
Traditional wind-solar hybrid control system uses the method that wind-light-electricity shares a power conversion circuit, this side mostly
Method can reduce cost, and both control simultaneously, simple.But, set of cells is mainly charged by this scheme, single-unit
Battery can overcharge phenomenon, it is impossible to realizes battery balanced process, causes be substantially reduced the service life of whole system.
Summary of the invention
The technology of the present invention solves problem: for overcoming the deficiencies in the prior art, it is provided that a kind of wind-solar hybrid control system
And method, so that accumulator battery effectively to be managed, improve the service life of battery.
The technical solution of the present invention is:
A kind of wind-solar hybrid control system, including rectification unit, protected location, filter unit, sampling unit, control list
Unit, display unit, pressure unit and auxiliary unit,
The electric energy of external accumulator is inputed to sampling unit, control unit, display unit by auxiliary unit respectively, carries for it
For the most required running voltage,
It is direct current that alternating current that wind-driven generator is inputted by rectification unit and the unidirectional current of solar panel carry out rectification
Electricity, and galvanic voltage, current signal are exported to protected location and sampling unit, protected location by galvanic voltage,
Current signal exports to filter unit, and then is external battery charging,
Sampling unit gathers the voltage of rectification unit output, current signal, the voltage signal of external accumulator input, and will
The voltage of rectification unit output, current signal, the voltage signal of external accumulator input export to control unit, control unit pair
The voltage of rectification unit output, current signal, the voltage signal of external accumulator input are analyzed judging, processing, and by electricity
Pressure, current value export to display unit to show voltage, current value；
When the magnitude of voltage that rectification unit exports, current value reach preset value, control unit output control signal gives protection
Unit, protected location stops for external battery charging；
When the voltage difference that the cell of external accumulator battery inputs reaches preset value, control unit output controls letter
Number giving pressure unit, the corresponding cell of external accumulator battery is all pressed by pressure unit, until the monomer of accumulator battery
Cell voltage is consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit exports, current value, external accumulator input is all at preset value, control
Unit does not export control signal to protected location and pressure unit, and protected location continues as external battery charging, all presses list
Unit does not start work.
Voltage difference between the cell of external accumulator battery is less than 50mV, and pressure unit does not start work.
The accumulator battery comprising 16 battery cells can all be pressed by pressure unit.
Alternating current that wind-driven generator is inputted by rectification unit and the unidirectional current of solar panel carry out rectification be 0～
The unidirectional current of 58V.
Rectification unit includes two groups of rectification circuits, the alternating current inputted wind-driven generator respectively and solar panel
Unidirectional current carries out rectification.
A kind of wind light mutual complementing control method, specifically comprises the following steps that
Step one: open auxiliary unit, inputs to the electric energy of external accumulator sampling unit, control unit respectively, shows
Show unit, provide the most required running voltage for it；
Step 2: alternating current and the unidirectional current of solar panel that wind-driven generator is inputted by rectification unit carry out whole
Stream, and galvanic voltage, current signal are exported to protected location and sampling unit, protected location by galvanic voltage,
Current signal exports to filter unit, and then is external battery charging；
Step 3: sampling unit gathers the voltage of rectification unit output, current signal, the voltage of external accumulator battery input
Signal, and the voltage of rectification unit output, current signal, the voltage signal of external accumulator battery input are exported to controlling single
Unit, the voltage signal of voltage that rectification unit is exported by control unit, current signal, external accumulator input is analyzed sentencing
Disconnected, process, the monomer battery voltage making accumulator battery is consistent, and blocks and overcharge external accumulator battery.
The voltage signal of voltage that rectification unit is exported by control unit, current signal, external accumulator input is carried out point
Analysis judges, the method for process is:
When the magnitude of voltage that rectification unit exports, current value reach preset value, control unit output control signal gives protection
Unit, protected location stops for external battery charging；
When the voltage difference that the cell of external accumulator battery inputs reaches preset value, control unit output controls letter
Number giving pressure unit, the corresponding cell of external accumulator battery is all pressed by pressure unit, until the monomer of accumulator battery
Cell voltage is consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit exports, current value, external accumulator input is all at preset value, control
Unit does not export control signal to protected location and pressure unit, and protected location continues as external battery charging, all presses list
Unit does not start work.
The invention have the benefit that
(1) present invention is by the voltage exporting rectification unit, current signal, the voltage signal of external accumulator battery input
Sample, by control unit, sampled data is analyzed, processes, achieve well solar panel, blower fan
Control, it is achieved that the charge protection to accumulator battery, it is to avoid between storage battery unit cell can not equalizaing charge problem,
It is greatly improved the service life of accumulator battery, improves system reliability of operation；
(2) rectification unit of the present invention includes two groups of rectification circuits, respectively alternating current and the sun to wind-driven generator input
The unidirectional current of energy cell panel carries out rectification, even if some disabler, another also is able to provide electric energy into system, it is to avoid
Systemic breakdown.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further discussed below.
A kind of wind-solar hybrid control system, as it is shown in figure 1, include rectification unit 1, protected location 2, filter unit 3, sampling
Unit 4, control unit 5, display unit 6, pressure unit 7 and auxiliary unit 8,
The electric energy of external accumulator is inputed to sampling unit 4, control unit 5, display unit 6 by auxiliary unit 8 respectively, for
It provides respective required running voltage,
It is direct current that alternating current that wind-driven generator is inputted by rectification unit 1 and the unidirectional current of solar panel carry out rectification
Electricity, and galvanic voltage, current signal are exported to protected location 2 and sampling unit 4, protected location 2 is by galvanic electricity
Pressure, current signal export to filter unit 3, and then are external battery charging,
Sampling unit 4 gathers the voltage of rectification unit 1 output, current signal, the voltage signal of external accumulator input, and
The voltage signal of the voltage that exported by rectification unit 1, current signal, external accumulator input exports to control unit 5, controls single
First 5 voltages exporting rectification unit 1, current signal, the voltage signal of external accumulator input are analyzed judging, processing,
And voltage, current value are exported to display unit 6 to show voltage, current value；
When the magnitude of voltage that rectification unit 1 exports, current value reach preset value, control unit 5 exports control signal to protecting
Protecting unit 2, protected location 2 stops for external battery charging；
When voltage difference between the cell of external accumulator battery is less than 50mV, pressure unit 7 does not start work,
Control unit 5 exports control signal and carries out the corresponding cell of external accumulator battery all to pressure unit 7, pressure unit 7
Pressure, until the monomer battery voltage of accumulator battery is consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit 1 exports, current value, external accumulator input is all at preset value, control
Unit 5 processed does not export control signal and continues as external battery charging to protected location 2 and pressure unit 7, protected location 2,
Pressure unit 7 does not start work.
Rectification unit 1 of the present invention includes two groups of rectification circuits, respectively alternating current and the solar energy to wind-driven generator input
The unidirectional current of cell panel carries out rectification.The accumulator battery comprising 16 battery cells can all be pressed by pressure unit 7, and wind-force is sent out
The alternating current of motor input less than 63A, alternating current that wind-driven generator is inputted by rectification unit 1 and solar panel straight
Stream electricity carries out the unidirectional current that rectification is 0～58V.
A kind of wind light mutual complementing control method, specifically comprises the following steps that
Step one: open auxiliary unit 8, the electric energy of external accumulator is inputed to respectively sampling unit 4, control unit 5,
Display unit 6, provides the most required running voltage for it；
Step 2: alternating current and the unidirectional current of solar panel that wind-driven generator is inputted by rectification unit 1 carry out whole
Stream, and galvanic voltage, current signal are exported to protected location 2 and sampling unit 4, protected location 2 is by galvanic electricity
Pressure, current signal export to filter unit 3, and then are external battery charging；
Step 3: sampling unit 4 gathers the voltage of rectification unit 1 output, current signal, the electricity of external accumulator battery input
Pressure signal, and rectification unit 1 is exported voltage, current signal, external accumulator battery input voltage signal export to control
Unit 5, the voltage signal of voltage that rectification unit 1 is exported by control unit 5, current signal, external accumulator input is carried out point
Analysis judges, processes, and the monomer battery voltage making accumulator battery is consistent, and blocks and overcharge external accumulator battery.
The voltage signal of voltage that rectification unit 1 is exported by above-mentioned control unit 5, current signal, external accumulator input
The method being analyzed judging, processing is:
When the magnitude of voltage that rectification unit 1 exports, current value reach preset value, control unit 5 exports control signal to protecting
Protecting unit 2, protected location 2 stops for external battery charging；
When the voltage difference that the cell of external accumulator battery inputs reaches preset value, control unit 5 output controls
The corresponding cell of external accumulator battery is all pressed by signal to pressure unit 7, pressure unit 7, until accumulator battery
Monomer battery voltage is consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit 1 exports, current value, external accumulator input is all at preset value, control
Unit 5 processed does not export control signal and continues as external battery charging to protected location 2 and pressure unit 7, protected location 2,
Pressure unit 7 does not start work.
The present invention is entered by the voltage exporting rectification unit, current signal, the voltage signal of external accumulator battery input
Row sampling, is analyzed sampled data by control unit, processes, and achieves well solar panel, blower fan
Control, it is achieved that the charge protection to accumulator battery, it is to avoid between storage battery unit cell can not equalizaing charge problem, greatly
In the big service life that improve accumulator battery, improve system reliability of operation.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (10)
1. a wind-solar hybrid control system, it is characterised in that: include rectification unit (1), protected location (2), filter unit
(3), sampling unit (4), control unit (5), display unit (6), pressure unit (7) and auxiliary unit (8),
The electric energy of external accumulator is inputed to sampling unit (4), control unit (5), display unit by auxiliary unit (8) respectively
(6), the most required running voltage is provided for it,
It is direct current that alternating current that wind-driven generator is inputted by rectification unit (1) and the unidirectional current of solar panel carry out rectification
Electricity, and galvanic voltage, current signal are exported to protected location (2) and sampling unit (4), protected location (2) is by direct current
The voltage of electricity, current signal export to filter unit (3), and then are external battery charging,
Sampling unit (4) gather rectification unit (1) export voltage, current signal, external accumulator input voltage signal, and
The voltage signal of the voltage that exported by rectification unit (1), current signal, external accumulator input exports to control unit (5), control
The voltage signal of voltage that rectification unit (1) is exported by unit processed (5), current signal, external accumulator input is analyzed sentencing
Disconnected, process, and voltage, current value are exported to display unit (6) to show voltage, current value；
When the magnitude of voltage that rectification unit (1) exports, current value reach preset value, control unit (5) output control signal is given and is protected
Protecting unit (2), protected location (2) stops for external battery charging；
When the voltage difference that the cell of external accumulator battery inputs reaches preset value, control unit (5) output controls letter
Number giving pressure unit (7), the corresponding cell of external accumulator battery is all pressed by pressure unit (7), until accumulator battery
Monomer battery voltage consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit (1) exports, current value, external accumulator input is all at preset value, control
Unit (5) does not export control signal and continues as external accumulator battery to protected location (2) and pressure unit (7), protected location (2)
Charging, pressure unit (7) does not start work.
2. a kind of wind-solar hybrid control system as claimed in claim 1, it is characterised in that: when the monomer electricity of external accumulator battery
Voltage difference between pond is less than 50mV, and pressure unit (7) does not start work.
3. a kind of wind-solar hybrid control system as claimed in claim 1, it is characterised in that: pressure unit (7) can be to comprising 16
The accumulator battery of individual battery cell is all pressed.
4. a kind of wind-solar hybrid control system as claimed in claim 1, it is characterised in that: rectification unit (1) is by wind-power electricity generation
The alternating current of machine input and the unidirectional current of solar panel carry out the unidirectional current that rectification is 0～58V.
5. wind-solar hybrid control system as claimed in claim 1 a kind of, it is characterised in that: rectification unit (1) include two groups whole
Current circuit, carries out rectification to the alternating current of wind-driven generator input and the unidirectional current of solar panel respectively.
6. a wind light mutual complementing control method, it is characterised in that specifically comprise the following steps that
Step one: open auxiliary unit (8), the electric energy of external accumulator is inputed to sampling unit (4), control unit respectively
(5), display unit (6), provide each required running voltage for it；
Step 2: alternating current and the unidirectional current of solar panel that wind-driven generator is inputted by rectification unit (1) carry out rectification,
And galvanic voltage, current signal are exported to protected location (2) and sampling unit (4), protected location (2) is by galvanic
Voltage, current signal export to filter unit (3), and then are external battery charging；
Step 3: sampling unit (4) gather rectification unit (1) export voltage, current signal, external accumulator battery input electricity
Pressure signal, and rectification unit (1) is exported voltage, current signal, external accumulator battery input voltage signal export to control
Unit processed (5), the voltage letter of voltage that rectification unit (1) is exported by control unit (5), current signal, external accumulator input
Number being analyzed judging, processing, the monomer battery voltage making accumulator battery is consistent, and blocks and overcharge external accumulator battery.
7. a kind of wind light mutual complementing control method as claimed in claim 6, it is characterised in that: control unit (5) is to rectification unit
(1) method that the voltage signal of the voltage that exports, current signal, external accumulator input is analyzed judging, processing is:
When the magnitude of voltage that rectification unit (1) exports, current value reach preset value, control unit (5) output control signal is given and is protected
Protecting unit (2), protected location (2) stops for external battery charging；
When the voltage difference that the cell of external accumulator battery inputs reaches preset value, control unit (5) output controls letter
Number giving pressure unit (7), the corresponding cell of external accumulator battery is all pressed by pressure unit (7), until accumulator battery
Monomer battery voltage consistent；
When the magnitude of voltage that the magnitude of voltage that rectification unit (1) exports, current value, external accumulator input is all at preset value, control
Unit (5) does not export control signal and continues as external accumulator battery to protected location (2) and pressure unit (7), protected location (2)
Charging, pressure unit (7) does not start work.
8. a kind of wind-solar hybrid control system as claimed in claim 7, it is characterised in that: rectification unit (1) is by wind-power electricity generation
The alternating current of machine input and the unidirectional current of solar panel carry out the unidirectional current that rectification is 0～58V.
9. wind-solar hybrid control system as claimed in claim 7 a kind of, it is characterised in that: rectification unit (1) include two groups whole
Current circuit, carries out rectification to the alternating current of wind-driven generator input and the unidirectional current of solar panel respectively.
10. a kind of wind-solar hybrid control system as claimed in claim 7, it is characterised in that: pressure unit (7) can be to comprising 16
The accumulator battery of individual battery cell is all pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610663884.8A CN106208912A (en) | 2016-08-12 | 2016-08-12 | A kind of wind-solar hybrid control system and method |
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| CN201610663884.8A CN106208912A (en) | 2016-08-12 | 2016-08-12 | A kind of wind-solar hybrid control system and method |
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| KR20040058151A (en) * | 2004-06-11 | 2004-07-03 | 오진석 | PV power generation by maximum power point tracking |
| CN202004444U (en) * | 2010-11-16 | 2011-10-05 | 房林 | Device for protecting storage battery of solar energy or wind generator system |
| CN202616837U (en) * | 2012-05-31 | 2012-12-19 | 福建明业新能源科技有限公司 | Scenery complementary system having the function of storage battery protection |
| CN103986195A (en) * | 2013-02-07 | 2014-08-13 | 中国科学院金属研究所 | Lead-acid-storage-battery management system |
| CN104113128A (en) * | 2014-07-30 | 2014-10-22 | 深圳市赛宝伦计算机技术有限公司 | Micro-intelligent power distribution control system and method for solar and wind power |
-
2016
- 2016-08-12 CN CN201610663884.8A patent/CN106208912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040058151A (en) * | 2004-06-11 | 2004-07-03 | 오진석 | PV power generation by maximum power point tracking |
| CN202004444U (en) * | 2010-11-16 | 2011-10-05 | 房林 | Device for protecting storage battery of solar energy or wind generator system |
| CN202616837U (en) * | 2012-05-31 | 2012-12-19 | 福建明业新能源科技有限公司 | Scenery complementary system having the function of storage battery protection |
| CN103986195A (en) * | 2013-02-07 | 2014-08-13 | 中国科学院金属研究所 | Lead-acid-storage-battery management system |
| CN104113128A (en) * | 2014-07-30 | 2014-10-22 | 深圳市赛宝伦计算机技术有限公司 | Micro-intelligent power distribution control system and method for solar and wind power |
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Application publication date: 20161207 |