CN102013714A - Wind-solar complementing green energy system and charging method thereof - Google Patents
Wind-solar complementing green energy system and charging method thereof Download PDFInfo
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- CN102013714A CN102013714A CN201010565582XA CN201010565582A CN102013714A CN 102013714 A CN102013714 A CN 102013714A CN 201010565582X A CN201010565582X A CN 201010565582XA CN 201010565582 A CN201010565582 A CN 201010565582A CN 102013714 A CN102013714 A CN 102013714A
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Abstract
The invention discloses a wind-solar complementing green energy system, which comprises wind-solar complementing generating equipment, a battery and a sensing module, wherein a super capacitor is arranged between the wind-solar complementing generating equipment and the battery; a two-way charging controlled switch is arranged between the super capacitor and the wind-solar complementing generating equipment; a two-way discharging controlled switch is arranged between the super capacitor and the battery; a sensor is also arranged on the super capacitor; and the sensor, the sensing module, the two-way charging controlled switch and the two-way discharging controlled switch are connected with a controller. The super capacitor has the functions of peak clipping and valley filling in the charging process, so that the electric quantity of peak heavy current and little electric quantity are charged to the battery in a mode of stable voltage; by adopting the mode, the non-uniform distribution of green energy can be balanced, so that the electric quantity generated by a green energy motor is utilized fully, the battery can be protected effectively, and the service life of the battery is prolonged.
Description
Technical field
The present invention relates to a kind of charging method of energy storage device, particularly a kind of method of charging with green energy resource equipment such as solar energy, wind energies.
Background technology
Existing main flow energy storage device is the battery of the principles of chemistry without exception, and the impulse electricity process is the mutual conversion process of external electric energy-inner chemical energy, and the position that chemical reaction specifically takes place concentrates near the two poles of the earth and to diffusion inside.This has just caused a so-called pole piece supersaturation effect, when super-large current charges, though the high-performance lithium battery can be than lead-acid battery more fast to the diffusion inside storing electricity, but near the pole piece just-negative material still is in relative hypersaturated state, caused two pole tensions to be higher than the situation of builtin voltage like this, two pole tensions have not only caused the error of charged state monitoring near external input voltage at this moment, also can form barrier and reduce charge efficiency.And when discharge, though portion of external load normality power consumption is stable, start-up course but needs big electric current supply, and is opposite with the supersaturation in the charging, near over-discharge can and can not in time being compensated the internally this moment pole piece can produce thermal effect and voltage collapse two big side effects.
Wind light mutual complementing green energy resource equipment is a kind of various generating electricity by natural energy that utilize nature itself to exist, it is a kind of clean energy resource that can not cause extra environmental pollution and waste, but there is the serious uneven problem of spatial and temporal distributions in green energy resource, such as wind power generation, gentle breeze can only provide the electric weight of the installed capacity of 10%-20% at ordinary times, moment reaches total power but the speed per hour of accidental fitful wind might make equipment, sometimes even must carry out braking brake prevent current overload and burn generating equipment that the energy storage device that connects also is to be subjected to great impact on this corresponding output.Super-large current at overload can make that battery is constantly impacted; the terminal voltage supersaturation is forced into the full useful life that can influence battery towards guard mode; yet when inside battery reaction finish voltage steadily after; terminal voltage may fall back to below the saturated line because fitful wind is over and done with again; at this moment the loop that a large amount of electric energy is closed owing to supersaturation effect just wastes, and does not really store.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of wind light mutual complementing green energy resource system, comprise wind light mutual complementing power generation equipment, battery and the sensing module that is used to detect wind light mutual complementing power generation equipment output electric weight, be provided with a ultracapacitor between described wind light mutual complementing power generation equipment and the battery, be provided with between described ultracapacitor and the described wind light mutual complementing power generation equipment can unidirectional conducting two-way charging gate-controlled switch, be provided with between described ultracapacitor and the described battery can unidirectional conducting the two-way discharge gate-controlled switch, also be provided with the transducer of this condenser voltage of detection on the described ultracapacitor, described transducer, sensing module, two-way charging gate-controlled switch, the two-way discharge gate-controlled switch all is connected with a controller.
Preferably, also be provided with a standby ultracapacitor between described wind light mutual complementing power generation equipment and the battery.
Preferably, described wind light mutual complementing power generation equipment is solar power plant or wind power plant.
The method that the present invention also openly adopts above-mentioned wind light mutual complementing green energy resource system to charge, it comprises the steps:
When 1) wind light mutual complementing power generation equipment output electric weight is normal level, described two-way charging gate-controlled switch, the conducting simultaneously of two-way discharge gate-controlled switch, this ultracapacitor uses as the level and smooth device of a voltage stabilizing;
When 2) wind light mutual complementing power generation equipment output electric weight is faint, the conducting of described two-way charging gate-controlled switch, described two-way discharge gate-controlled switch disconnects, wind light mutual complementing power generation equipment at first charges to ultracapacitor, when the voltage of ultracapacitor reaches a setting threshold values, the conducting of described two-way discharge gate-controlled switch, described ultracapacitor is to described battery charge;
When 3) the big electric current of spike formula appears in wind light mutual complementing power generation equipment output electric weight, at first make two-way charging gate-controlled switch, the conducting simultaneously of two-way discharge gate-controlled switch, before the big electric current of spike formula drops to the lowest point, described two-way charging gate-controlled switch is disconnected, the electric weight that the big electric current of spike formula is produced all can store in the ultracapacitor, is filled in the battery by ultracapacitor again.
Preferably, when wind light mutual complementing power generation equipment has load, described load is connected with described ultracapacitor, when loaded work piece, the electric power in the ultracapacitor is preferentially used in load, and preferentially is compensated from wind light mutual complementing power generation equipment, when above-mentioned ultracapacitor is not enough to satisfy loading demand, two-way charging gate-controlled switch is disconnected, and the conducting of two-way discharge gate-controlled switch makes battery provide electric power by the buffering of ultracapacitor for load.
Technique scheme has following beneficial effect: this wind light mutual complementing green energy resource system is provided with a ultracapacitor at wind light mutual complementing power generation equipment and battery, but this ultracapacitor is as a kind of trunking scheme of energy storage, when producing peak current, generating equipment the electric weight line can be stored in the ultracapacitor, and then stably electricity is filled in the battery by ultracapacitor, when generating equipment only produces micro-current, also can earlier electric weight be stored in the ultracapacitor and store, when electric weight to be stored reaches a certain amount of, electricity is being filled in the battery.This ultracapacitor can play the effect of peak load shifting in charging process; the electric weight of the big electric current of spike formula and small electric weight all can be filled in the battery with voltage comparatively stably; adopt this mode to get final product the skewness of balance green energy resource; the electric weight that the green energy resource motor is produced is fully utilized; can form effective protection to battery again, prolong the useful life of battery.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a wind light mutual complementing green energy resource system configuration schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, the sensing module (not shown) that this wind light mutual complementing green energy resource system comprises wind light mutual complementing power generation equipment 1, battery 5 and is used to detect wind light mutual complementing power generation equipment output electric weight, green energy resource equipment is mainly solar power plant or wind power plant.Between wind light mutual complementing power generation equipment 1 and battery 5, be provided with a ultracapacitor 3, be provided with two-way charging gate-controlled switch 2 between ultracapacitor 3 and the wind light mutual complementing power generation equipment 1, be provided with two-way discharge gate-controlled switch 4 between ultracapacitor 3 and the battery 5, also be provided with the transducer (not shown) of these capacitor 3 voltages of detection on the ultracapacitor 3, transducer, sensing module, two-way charging gate-controlled switch 2, two-way discharge gate-controlled switch 4 all are connected with a controller.For preventing that ultracapacitor 3 from damaging, between wind light mutual complementing power generation equipment 1 and battery 5, also standby ultracapacitor can be set, the connected mode of Alternate Current Charging Unit is identical with the connected mode of ultracapacitor 3.
The method that adopts above-mentioned wind light mutual complementing green energy resource system to charge, it comprises the steps:
At first the electric weight by 1 output of sensing module wind light mutual complementing power generation equipment detects, when wind light mutual complementing power generation equipment 1 output electric weight is normal level, controller is controlled two-way charging gate-controlled switch 2,4 conductings simultaneously of two-way discharge gate-controlled switch, this moment, this ultracapacitor 3 used as the level and smooth device of a voltage stabilizing, the electric weight that wind light mutual complementing power generation equipment 1 produces directly charges in the battery 5 behind ultracapacitor 3, finishes the charging to battery.
When sensing module detects wind light mutual complementing power generation equipment 1 output electric weight when fainter, two-way charging gate-controlled switch 2 conductings of controller, two-way discharge gate-controlled switch 4 disconnects, the electric weight that this moment, wind light mutual complementing power generation equipment 1 sent at first charges to ultracapacitor, when the voltage of ultracapacitor 3 reaches a setting threshold values, transducer passes to controller with feedback signal, 4 conductings of controller control two-way discharge gate-controlled switch, this moment, ultracapacitor can be to battery 5 chargings, charging in this manner, even the electric weight of wind light mutual complementing power generation equipment 1 output is very little, also electric weight can be filled in the battery 5, make the loss of battery 5 chargings almost be reduced to zero.
When sensing module detects wind light mutual complementing power generation equipment 1 output electric weight and the big electric current of spike formula occurs, at first control two-way charging gate-controlled switch 2 by controller, 4 conductings simultaneously of two-way discharge gate-controlled switch, before the big electric current of spike formula drops to the lowest point, two-way charging gate-controlled switch is disconnected 2, the electric weight of the big electric current generation of spike formula can be stored in the ultracapacitor 3 fully like this, utilize the momentary charge characteristic of ultracapacitor 3 to allow the electric weight on peak be able to all keep in, and then enter in the battery 5, but ultracapacitor 3 smoothing current curves, utilize the characteristics of its voltage stabilizing to make it keep the discharge curve of a nearly constant voltage charge, if having new generating crest to arrive in this process then open two-way charging gate-controlled switch 2 once more simultaneously to battery, two-way discharge gate-controlled switch 4 charges.
This wind light mutual complementing green energy resource system is provided with a ultracapacitor at wind light mutual complementing power generation equipment and battery, but this ultracapacitor is as a kind of trunking scheme of energy storage, when producing peak current, generating equipment the electric weight line can be stored in the ultracapacitor, and then stably electricity is filled in the battery by ultracapacitor, when generating equipment only produces micro-current, also can earlier electric weight be stored in the ultracapacitor and store, when electric weight to be stored reaches a certain amount of, electricity is being filled in the battery.
This ultracapacitor can play the effect of peak load shifting in charging process; the electric weight of the big electric current of spike formula and small electric weight all can be filled in the battery with voltage comparatively stably; adopt this mode to get final product the skewness of balance green energy resource; the electric weight that the green energy resource motor is produced is fully utilized; can form effective protection to battery again, prolong the useful life of battery.
More than a kind of wind light mutual complementing green energy resource system and method that the embodiment of the invention provided is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (5)
1. wind light mutual complementing green energy resource system, comprise wind light mutual complementing power generation equipment, battery and the sensing module that is used to detect wind light mutual complementing power generation equipment output electric weight, it is characterized in that: be provided with a ultracapacitor between described wind light mutual complementing power generation equipment and the battery, be provided with between described ultracapacitor and the described wind light mutual complementing power generation equipment can unidirectional conducting two-way charging gate-controlled switch, be provided with between described ultracapacitor and the described battery can unidirectional conducting the two-way discharge gate-controlled switch, also be provided with the transducer of this condenser voltage of detection on the described ultracapacitor, described transducer, sensing module, two-way charging gate-controlled switch, the two-way discharge gate-controlled switch all is connected with a controller.
2. wind light mutual complementing green energy resource according to claim 1 system is characterized in that: also be provided with a standby ultracapacitor between described wind light mutual complementing power generation equipment and the battery.
3. wind light mutual complementing green energy resource according to claim 1 system, it is characterized in that: described wind light mutual complementing power generation equipment is solar power plant or wind power plant.
4. the charging method of a wind light mutual complementing green energy resource system is characterized in that it comprises the steps:
1) when wind light mutual complementing power generation equipment output electric weight is normal level, described two-way charging gate-controlled switch, the conducting simultaneously of two-way discharge gate-controlled switch, this ultracapacitor uses as the level and smooth device of a voltage stabilizing;
2) when wind light mutual complementing power generation equipment output electric weight is faint, the conducting of described two-way charging gate-controlled switch, described two-way discharge gate-controlled switch disconnects, the green energy resource generating is at first charged to ultracapacitor, when the voltage of ultracapacitor reaches a setting threshold values, the conducting of described two-way discharge gate-controlled switch, described ultracapacitor is to described battery charge;
3) when the big electric current of spike formula appears in wind light mutual complementing power generation equipment output electric weight, at first make two-way charging gate-controlled switch, the conducting simultaneously of two-way discharge gate-controlled switch, before the big electric current of spike formula drops to the lowest point, described two-way charging gate-controlled switch is disconnected, the electric weight that the big electric current of spike formula is produced all can store in the ultracapacitor, is filled in the battery by ultracapacitor again.
5. the charging method of wind light mutual complementing green energy resource according to claim 4 system, it is characterized in that: when wind light mutual complementing power generation equipment has load, described load is connected with described ultracapacitor, when loaded work piece, the electric power in the ultracapacitor is preferentially used in load, and preferentially be compensated from wind light mutual complementing power generation equipment, when above-mentioned ultracapacitor is not enough to satisfy loading demand, two-way charging gate-controlled switch is disconnected, the conducting of two-way discharge gate-controlled switch makes battery provide electric power by the buffering of ultracapacitor for load.
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| CN201010565582XA CN102013714A (en) | 2010-11-30 | 2010-11-30 | Wind-solar complementing green energy system and charging method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510641A (en) * | 2011-12-27 | 2012-06-20 | 闫晓金 | Composite energy storage power supply for solar LED (light-emitting diode) street lamp |
| CN102570574A (en) * | 2012-02-07 | 2012-07-11 | 深圳市新能通节能科技有限公司 | Wind-light complementary charging device |
| CN102957189A (en) * | 2012-10-26 | 2013-03-06 | 四川虹源科技有限公司 | Wind and photovoltaic hybrid power generation system |
| CN103296725A (en) * | 2013-06-19 | 2013-09-11 | 李洋涛 | Large-current energy storage and release device for bicycles |
| CN103312000A (en) * | 2013-06-24 | 2013-09-18 | 安科智慧城市技术（中国）有限公司 | Pulse charge method and device |
| CN105811862A (en) * | 2016-04-29 | 2016-07-27 | 易电通（北京）储能科技有限公司 | Energy storage power station and energy storage method |
| CN108564154A (en) * | 2018-04-23 | 2018-09-21 | 佛山市梅雨科技有限公司 | A kind of intelligent interaction chest card |
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| JP2000253510A (en) * | 1999-03-01 | 2000-09-14 | Meidensha Corp | Drive circuit for battery car |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101685986A (en) * | 2009-05-21 | 2010-03-31 | 复旦大学 | Wind and light complementary power generation system using super capacitor |
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- 2010-11-30 CN CN201010565582XA patent/CN102013714A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000253510A (en) * | 1999-03-01 | 2000-09-14 | Meidensha Corp | Drive circuit for battery car |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101685986A (en) * | 2009-05-21 | 2010-03-31 | 复旦大学 | Wind and light complementary power generation system using super capacitor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510641A (en) * | 2011-12-27 | 2012-06-20 | 闫晓金 | Composite energy storage power supply for solar LED (light-emitting diode) street lamp |
| CN102570574A (en) * | 2012-02-07 | 2012-07-11 | 深圳市新能通节能科技有限公司 | Wind-light complementary charging device |
| CN102570574B (en) * | 2012-02-07 | 2013-11-20 | 深圳市新能通节能科技有限公司 | Wind-light complementary charging device |
| CN102957189A (en) * | 2012-10-26 | 2013-03-06 | 四川虹源科技有限公司 | Wind and photovoltaic hybrid power generation system |
| CN103296725A (en) * | 2013-06-19 | 2013-09-11 | 李洋涛 | Large-current energy storage and release device for bicycles |
| CN103312000A (en) * | 2013-06-24 | 2013-09-18 | 安科智慧城市技术（中国）有限公司 | Pulse charge method and device |
| CN103312000B (en) * | 2013-06-24 | 2015-11-25 | 安科智慧城市技术（中国）有限公司 | Pulse charge method and device |
| CN105811862A (en) * | 2016-04-29 | 2016-07-27 | 易电通（北京）储能科技有限公司 | Energy storage power station and energy storage method |
| CN108564154A (en) * | 2018-04-23 | 2018-09-21 | 佛山市梅雨科技有限公司 | A kind of intelligent interaction chest card |
| CN108564154B (en) * | 2018-04-23 | 2021-06-11 | 上海光原谷信息技术有限公司 | Intelligent interaction chest card |
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Application publication date: 20110413 |