CN103078385A - Capacitive energy-storing weak power tracking control charging method for wind and light complement system - Google Patents
Capacitive energy-storing weak power tracking control charging method for wind and light complement system Download PDFInfo
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- CN103078385A CN103078385A CN201310055277XA CN201310055277A CN103078385A CN 103078385 A CN103078385 A CN 103078385A CN 201310055277X A CN201310055277X A CN 201310055277XA CN 201310055277 A CN201310055277 A CN 201310055277A CN 103078385 A CN103078385 A CN 103078385A
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Abstract
The invention relates to a capacitive energy-storing weak power tracking control charging method for a wind and light complement system. In the technical field of application of wind energy and solar energy, current and voltage generated by wind power and solar energy are low under the condition of low wind speed or weak illumination, so that storage batteries cannot be charged effectively, and electric energy generated by wind power and solar energy cannot be fully utilized. A small-volume capacitive energy-storing element is arranged in front of a storage battery, electric energy generated by wind power and solar energy is used for charging the energy-storing element first under the condition of low wind speed or weak illumination, and then the energy-storing element is used for charging the storage battery, so that the energy utilization ratio of a wind-driven and solar-driven power generation system is increased.
Description
Technical field
The present invention relates to a kind of weak power tracking control of appearance formula energy storage charging method of wind-light complementary system, belong to wind energy, solar energy technical field of new energy application.
Background technology
The plurality of advantages such as wind power generation and solar power generation are pollution-free owing to it, aboundresources to protection of the environment, are improved energy resource structure significant.Wind-force, solar energy generation technology are day by day ripe, and market just progressively enlarges, and has become new forms of energy with fastest developing speed, now has been widely applied to remote areas without electricity.But because the actual power coefficient of wind power generation is lower than 0.593, there are the unserviceable situations of low-power such as day the moon, the morning and evening low light level shine in solar energy, and it is very important therefore taking full advantage of the generating output variable.
The electric energy of wind-force and solar power generation output becomes direct current in the known wind-solar hybrid generation control system behind current rectifying and wave filtering circuit, sampling control circuit determines whether that by gathering the electric current and voltage data of wind-driven generator or solar panel generating data, accumulator cell charging and discharging the Closing Switch circuit charges to storage battery.At wind speed high or illumination strong in, known this control method effect is pretty good, in relatively low at wind speed or the low light level photograph, the electric current and voltage that blower fan or sun the subject of knowledge and the object of knowledge produce is all lower, little electric current like this is very low to charge in batteries efficient, sometimes the voltage that produces even be lower than the voltage of storage battery, the electric energy that sends can not be charged storage battery and lose.Therefore known patented technology about wind light mutual complementing power generation mainly for be the charging control of solar energy and wind energy, but weak power charging is not had particular study.
Summary of the invention
Purpose of the present invention aims to provide a kind of weak power tracking control of appearance formula energy storage charging method of wind-light complementary system.When low wind speed or the low light level shine, the current/voltage that wind-force and solar energy send is lower, can not effectively charge to storage battery, before storage battery, add a capacitance energy storage element that capacity is less, the electric energy that wind-force and solar energy send when hanging down wind speed or the low light level according to situation is first to this energy-storage travelling wave tube charging, and then pass through this energy-storage travelling wave tube to charge in batteries, thereby the electric energy that wind-force and solar energy are produced is fully utilized.
The present invention implements by following technical scheme:
System principle as shown in Figure 1, it comprises wind-force and solar power generation assembly 1, current rectifying and wave filtering circuit 2, the first switching circuit 3, second switch circuit 4, energy-storage travelling wave tube 5, control sample circuit 6, storage battery 7, control centre 8.
The present invention is that the blower fan of wind-force and solar power generation assembly 1 configuration and solar panel rated voltage are 1.6 times of battery tension, when more intense or solar irradiation is more intense when wind-force, control centre 8 is the high potential value by the magnitude of voltage real-time sampling of output on 6 pairs of current rectifying and wave filtering circuits 2 of control sample circuit, then control centre 8 sends instruction simultaneously closed the first switching circuit 3 and second switch circuit 4, and at this moment the electric energy of wind-force and 1 generation of solar power generation assembly directly charges to storage battery 7 behind current rectifying and wave filtering circuit 2; When weak or solar radiation is not enough when wind-force, control centre 8 is the electronegative potential value by the magnitude of voltage real-time sampling of output on 6 pairs of current rectifying and wave filtering circuits 2 of control sample circuit, at this moment because the effect that drags down of storage battery, make this magnitude of voltage less than the voltage that can continue charge in batteries, control centre 8 sends instruction with the first switching circuit 3 closures, second switch circuit 4 disconnects, first energy-storage travelling wave tube 5 is charged by wind-force and solar power generation assembly 1, when the voltage charging of energy-storage travelling wave tube 5 reaches 1.25 times of battery tensions, control centre 8 sends instruction and disconnects the first switching circuit 3, charging to energy-storage travelling wave tube 5 is finished, and then control centre 8 sends instruction closed second switch circuit 4, at this moment energy-storage travelling wave tube 5 begins a whole charging cycle is finished in storage battery 7 chargings.Such charging cycle is constantly carried out by the control of control centre 8, until storage battery 7 is full of.When weak at wind-force like this or solar radiation was not enough, the light current that wind-force and solar power generation assembly 1 produce can also can effectively charge to storage battery 7, thereby had improved the capacity usage ratio of wind-force and solar power generation.
Circuit system connects as shown in Figure 2, the solar panel that wind-force is connected with the solar power generation assembly anodal (+) output connects rectification circuit anode and the capacitance cathode of current rectifying and wave filtering circuit 2, be connected to simultaneously the D utmost point of field effect transistor Q1 of the first switching circuit 3 and the end of wind light mutual complementing output voltage data sample circuit M1, the other end of M1 connects a end of the U1 of control centre 8, one end of the blower fan of wind-force and solar power generation assembly 1 links to each other with rectification circuit, the other end links to each other with solar panel negative pole (-), this negative pole is connected to the electric capacity negative pole of current rectifying and wave filtering circuit 2 simultaneously, the j end of the U1 of control centre 8, the electric capacity negative pole of energy-storage travelling wave tube 5 and the negative pole of storage battery 7, the G utmost point of the field effect transistor Q1 of the first switching circuit 3 connects the b end of the U1 of control centre 8, the D utmost point of the capacitance cathode of the S utmost point connection energy-storage travelling wave tube 5 of field effect transistor Q1 and the field effect transistor Q2 of second switch circuit 4, be connected to simultaneously energy-storage travelling wave tube voltage data sample circuit M2 one end, the M2 other end connects the f end of the U1 of control centre 8, the G utmost point of the field effect transistor Q2 of second switch circuit 4 is connected to the d end of the U1 that meets control centre 8, the S utmost point of field effect transistor Q2 is connected to the positive pole of storage battery 7 and the end of battery tension data sampling circuit M3, and the other end of M3 is connected to the h end of the U1 that meets control centre 8.
Advantage of the present invention and good effect:
Contrast known wind and solar hybrid generating system, by increasing the energy-storage travelling wave tube of a centre, when strong or solar irradiation was stronger at wind-force, the electric energy that wind-force and solar power generation produce directly charged to storage battery; When weak or solar radiation was not enough at wind-force, the electric energy that wind-force and solar power generation produce to the energy-storage travelling wave tube charging, was charged a battery by energy-storage travelling wave tube first again, thereby has improved the capacity usage ratio of wind-force and solar power system.
Description of drawings
Fig. 1 is fundamental diagram of the present invention.1 is wind-force and solar power generation assembly among the figure, the 2nd, and current rectifying and wave filtering circuit, 3
The first switching circuit, the 4th, second switch circuit, the 5th, energy-storage travelling wave tube, the 6th, control sample circuit, the 7th, storage battery, the 8th, control centre.
Fig. 2 is circuit connection diagram of the present invention.Wherein M1 is wind light mutual complementing output voltage data sample circuits, and M2 is energy-storage travelling wave tube voltage data sample circuit, and M3 is the battery tension data sampling circuit.
Embodiment
Embodiment: as shown in Figure 1, it comprises wind-force and solar power generation assembly 1, current rectifying and wave filtering circuit 2, the first switching circuit 3, second switch circuit 4, energy-storage travelling wave tube 5, controls sample circuit 6, storage battery 7, control centre 8.
The present invention is that the blower fan of wind-force and solar power generation assembly 1 configuration and solar panel rated voltage are 1.6 times of battery tension, when more intense or solar irradiation is more intense when wind-force, control centre 8 is the high potential value by the magnitude of voltage real-time sampling of output on 6 pairs of current rectifying and wave filtering circuits 2 of control sample circuit, then control centre 8 sends instruction simultaneously closed the first switching circuit 3 and second switch circuit 4, and at this moment the electric energy of wind-force and 1 generation of solar power generation assembly directly charges to storage battery 7 behind current rectifying and wave filtering circuit 2; When weak or solar radiation is not enough when wind-force, control centre 8 is the electronegative potential value by the magnitude of voltage real-time sampling of output on 6 pairs of current rectifying and wave filtering circuits 2 of control sample circuit, at this moment because the effect that drags down of storage battery, make this magnitude of voltage less than the voltage that can continue charge in batteries, control centre 8 sends instruction with the first switching circuit 3 closures, second switch circuit 4 disconnects, first energy-storage travelling wave tube 5 is charged by wind-force and solar power generation assembly 1, when the voltage charging of energy-storage travelling wave tube 5 reaches 1.25 times of battery tensions, control centre 8 sends instruction and disconnects the first switching circuit 3, charging to energy-storage travelling wave tube 5 is finished, and then control centre 8 sends instruction closed second switch circuit 4, at this moment energy-storage travelling wave tube 5 begins a whole charging cycle is finished in storage battery 7 chargings.Such charging cycle is constantly carried out by the control of control centre 8, until storage battery 7 is full of.When weak at wind-force like this or solar radiation was not enough, the light current that wind-force and solar power generation assembly 1 produce can also can effectively charge to storage battery 7, thereby had improved the capacity usage ratio of wind-force and solar power generation.
Circuit system connects as shown in Figure 2, and the division of its module is corresponding one by one with schematic diagram 1, and wherein storage battery 7 is the 12V storage battery.The solar panel that wind-force is connected with the solar power generation assembly anodal (+) output connects rectification circuit anode and the capacitance cathode of current rectifying and wave filtering circuit 2, be connected to simultaneously the D utmost point of field effect transistor Q1 of the first switching circuit 3 and the end of wind light mutual complementing output voltage data sample circuit M1, the other end of M1 connects a end of the U1 of control centre 8, one end of the blower fan of wind-force and solar power generation assembly 1 links to each other with rectification circuit, the other end links to each other with solar panel negative pole (-), this negative pole is connected to the electric capacity negative pole of current rectifying and wave filtering circuit 2 simultaneously, the j end of the U1 of control centre 8, the electric capacity negative pole of energy-storage travelling wave tube 5 and the negative pole of storage battery 7, the G utmost point of the field effect transistor Q1 of the first switching circuit 3 connects the b end of the U1 of control centre 8, the D utmost point of the capacitance cathode of the S utmost point connection energy-storage travelling wave tube 5 of field effect transistor Q1 and the field effect transistor Q2 of second switch circuit 4, be connected to simultaneously energy-storage travelling wave tube voltage data sample circuit M2 one end, the M2 other end connects the f end of the U1 of control centre 8, the G utmost point of the field effect transistor Q2 of second switch circuit 4 is connected to the d end of the U1 that meets control centre 8, the S utmost point of field effect transistor Q2 is connected to the positive pole of storage battery 7 and the end of battery tension data sampling circuit M3, and the other end of M3 is connected to the h end of the U1 that meets control centre 8.
Claims (2)
1. the weak power tracking of the appearance formula energy storage of a wind-light complementary system is controlled charging method, it is characterized in that: it comprises wind-force and solar power generation assembly (1), current rectifying and wave filtering circuit (2), the first switching circuit (3), second switch circuit (4), energy-storage travelling wave tube (5), control sample circuit (6), storage battery (7) and control centre (8), when more intense or solar irradiation is more intense when wind-force, control centre (8) is the high potential value by control sample circuit (6) to the upper magnitude of voltage real-time sampling of exporting of current rectifying and wave filtering circuit (2), then control centre (8) sends instruction simultaneously closed the first switching circuit (3) and second switch circuit (4), and the electric energy of at this moment wind-force and solar power generation assembly (1) generation directly charges to storage battery (7) behind current rectifying and wave filtering circuit (2); When weak or solar radiation is not enough when wind-force, control centre (8) is the electronegative potential value by control sample circuit (6) to the upper magnitude of voltage real-time sampling of exporting of current rectifying and wave filtering circuit (2), at this moment because the effect that drags down of storage battery, make this magnitude of voltage less than the voltage that can continue charge in batteries, control centre (8) sends instruction with the first switching circuit (3) closure, second switch circuit (4) disconnects, first energy-storage travelling wave tube (5) is charged by wind-force and solar power generation assembly (1), when the voltage charging of energy-storage travelling wave tube (5) reaches 1.25 times of battery tensions, control centre (8) sends instruction and disconnects the first switching circuit (3), charging to energy-storage travelling wave tube (5) is finished, and then control centre (8) sends instruction closed second switch circuit (4), at this moment energy-storage travelling wave tube (5) begins storage battery (7) is charged, finish a whole charging cycle, such charging cycle is constantly carried out by the control of control centre (8), until storage battery (7) is full of.
2. the weak power tracking of the appearance formula energy storage of a kind of wind-light complementary system according to claim 1 is controlled charging method, it is characterized in that: adopt following circuit connecting mode, wind-force is connected 1 with the solar power generation assembly) solar panel anodal (+) output connect rectification circuit anode and the capacitance cathode of current rectifying and wave filtering circuit (2), be connected to simultaneously the D utmost point of field effect transistor Q1 of the first switching circuit (3) and the end of wind light mutual complementing output voltage data sample circuit M1, the other end of M1 connects a end of the U1 of control centre (8), wind-force links to each other with rectification circuit with an end of the blower fan of solar power generation assembly (1), the other end links to each other with solar panel negative pole (-), this negative pole is connected to the electric capacity negative pole of current rectifying and wave filtering circuit (2) simultaneously, the j end of the U1 of control centre (8), the negative pole of the electric capacity negative pole of energy-storage travelling wave tube (5) and storage battery (7), the G utmost point of the field effect transistor Q1 of the first switching circuit (3) connects the b end of the U1 of control centre (8), the D utmost point of the capacitance cathode of the S utmost point connection energy-storage travelling wave tube (5) of field effect transistor Q1 and the field effect transistor Q2 of second switch circuit (4), be connected to simultaneously energy-storage travelling wave tube voltage data sample circuit M2 one end, the M2 other end connects the f end of the U1 of control centre (8), the G utmost point of the field effect transistor Q2 of second switch circuit (4) is connected to the d end of the U1 that meets control centre (8), the S utmost point of field effect transistor Q2 is connected to the positive pole of storage battery (7) and the end of battery tension data sampling circuit M3, and the other end of M3 is connected to the h end of the U1 that meets control centre (8).
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| CN201310055277XA CN103078385A (en) | 2013-02-21 | 2013-02-21 | Capacitive energy-storing weak power tracking control charging method for wind and light complement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066891A (en) * | 2018-09-07 | 2018-12-21 | 曾金玉 | A kind of wind light mutual complementing battery charger |
| CN113206525A (en) * | 2021-05-06 | 2021-08-03 | 秦佳电气有限公司 | Electric power energy storage control assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004312994A (en) * | 2003-03-27 | 2004-11-04 | Tokyo Rika Daigaku Kagaku Gijutsu Koryu Center | Power conditioner for passive generator output system |
| CN102176630A (en) * | 2011-03-18 | 2011-09-07 | 云南晶能科技有限公司 | Charging method by raising instantaneous power for wind power generation system |
| CN102215012A (en) * | 2011-06-07 | 2011-10-12 | 天宝电子（惠州）有限公司 | Bidirectional transformation system of solar energy and electric energy |
-
2013
- 2013-02-21 CN CN201310055277XA patent/CN103078385A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004312994A (en) * | 2003-03-27 | 2004-11-04 | Tokyo Rika Daigaku Kagaku Gijutsu Koryu Center | Power conditioner for passive generator output system |
| CN102176630A (en) * | 2011-03-18 | 2011-09-07 | 云南晶能科技有限公司 | Charging method by raising instantaneous power for wind power generation system |
| CN102215012A (en) * | 2011-06-07 | 2011-10-12 | 天宝电子（惠州）有限公司 | Bidirectional transformation system of solar energy and electric energy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066891A (en) * | 2018-09-07 | 2018-12-21 | 曾金玉 | A kind of wind light mutual complementing battery charger |
| CN113206525A (en) * | 2021-05-06 | 2021-08-03 | 秦佳电气有限公司 | Electric power energy storage control assembly |
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Application publication date: 20130501 |