CN204190669U - A kind of wind and solar hybrid generating system - Google Patents
A kind of wind and solar hybrid generating system Download PDFInfo
- Publication number
- CN204190669U CN204190669U CN201420568396.5U CN201420568396U CN204190669U CN 204190669 U CN204190669 U CN 204190669U CN 201420568396 U CN201420568396 U CN 201420568396U CN 204190669 U CN204190669 U CN 204190669U
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- power inverter
- wind
- load
- storage battery
- inverter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a kind of wind and solar hybrid generating system, wind-driven generator produces alternating current, effectively exports fixed voltage through rectifier and a DC/DC power inverter; Photovoltaic array converts solar energy to direct current by photovoltaic effect, and effectively exports fixed voltage through the 2nd DC/DC power inverter.The direct current produced through DC/DC power inverter is powered to DC load, and the direct current produced through DC/DC power inverter converts to after alternating current through inverter powers to AC load.When the electric energy that wind-driven generator and photovoltaic array export remains in addition except supply DC load and AC load, storage battery is by these electrical power storage; When the electric energy that wind-driven generator and photovoltaic array export is not enough to meet DC load and AC load requirement, then powered to it by storage battery.Utilize the complementary characteristic of solar wind-energy, more stable total output can be produced, add stability and the reliability of system.
Description
Technical field
The utility model relates to field of renewable energy technology, in particular to a kind of wind and solar hybrid generating system.
Background technology
In current available several regenerative resource, wind energy and solar energy widely distributed owing to having, inexhaustible, nexhaustible, gather materials on the spot, the advantage such as pollution-free is widely used.But low by its energy density, the impact of the shortcomings such as energy stability difference, the utilization of the two is also subject to certain restriction.Solar energy and wind energy are all relative unstable, the discontinuous energy, for without electrical network area, need be equipped with a large amount of energy storage devices, expending of system is increased greatly.
Summary of the invention
The technical problem that the utility model solves: wind energy and solar energy provide energy to have randomness and intermittent shortcoming.
The utility model provides following technical scheme: a kind of wind and solar hybrid generating system, comprise wind-driven generator, rectifier, photovoltaic array, a DC/DC power inverter, the 2nd DC/DC power inverter, storage battery, inverter, controller, AC load, DC load, described wind-driven generator is connected with rectifier, described rectifier is connected with a DC/DC power inverter, and described photovoltaic array is connected with the 2nd DC/DC power inverter.A described DC/DC power inverter is connected with storage battery by DC bus with the 2nd DC/DC power inverter, a described DC/DC power inverter is connected with DC load with the 2nd DC/DC power inverter, described inverter is connected with a DC/DC power inverter and the 2nd DC/DC power inverter, described AC load is connected with inverter, described DC load is connected with storage battery, described inverter is connected with storage battery, a described DC/DC power inverter is connected with controller respectively with the 2nd DC/DC power inverter, described storage battery is connected with controller.
By technique scheme, wind wheel converts wind energy to mechanical energy by aerodynamic principle, drive permanent magnetism asynchronous generator to send the alternating current becoming certain relation with wind speed, become direct current through rectifier rectification, and effectively export fixed voltage through a DC/DC power inverter; Photovoltaic array converts solar energy to direct current by photovoltaic effect, and effectively exports fixed voltage through the 2nd DC/DC power inverter.The direct current produced through a DC/DC power inverter and the 2nd DC/DC power inverter is powered to DC load, and the direct current produced through a DC/DC power inverter and the 2nd DC/DC power inverter converts to after alternating current through inverter and powers to AC load.When the electric energy that wind-driven generator and photovoltaic array export remains in addition except supply DC load and AC load, storage battery is by these electrical power storage; When the electric energy that wind-driven generator and photovoltaic array export is not enough to meet DC load and AC load requirement, then powered to it by storage battery.Controller is connected with a DC/DC power inverter and the 2nd DC/DC power inverter, and to realize maximal power tracing, controller is connected with storage battery, to control the discharge and recharge of storage battery.
Wind and solar hybrid generating system has compared obvious advantage with independent wind power system with electro-optical system.First, utilize the complementary characteristic of solar wind-energy, more stable total output can be produced, add stability and the reliability of system.At wind, light resources is abundant and complementarity is regional preferably, and the wind and solar hybrid generating system of Proper Match design can meet the larger need for electricity of user, and can reach balanced power supply throughout the year.This adopts single wind-force or solar power generation to be beyond one's reach; Secondly, when ensureing same power supply, battery capacity needed for wind and solar hybrid generating system is far smaller than single wind-force or solar power system, and by the optimal design of system matches, solar panel capacity reduces, and avoids the high cost of the system brought because of expensive solar cell.Meanwhile, wind-powered electricity generation and electro-optical system can be general in batteries and inversion link, so the cost of wind and solar hybrid generating system can reduce, system cost is tending towards reasonable; Again, taking full advantage of natural resources, considerably increase the effective charging interval to storage battery, improve the condition of work of storage battery, by selecting rational accumulator cell charging and discharging control strategy, more can extend the useful life of storage battery, reduce the maintenance of system.
In sum, wind and solar hybrid generating system can carry out the reasonable disposition of power system capacity according to the power load situation of user and resources supplIes, no matter be what kind of environment and what kind of electricity consumption requirement, wind and solar hybrid generating system all can make optimized system design scheme to meet the requirement of user, the reliability of system power supply can be ensured, the cost of electricity generation system can be reduced again.Should say, wind and solar hybrid generating system is the most rational independent electric power supply.
Further illustrate as of the present utility model, a described DC/DC power inverter and the 2nd DC/DC power inverter include DC/DC translation circuit, described DC/DC translation circuit comprises storage capacitor, MOSFET manages, inductance, electric capacity, diode, resistance, described storage capacitor is in parallel with DC/DC translation circuit input, described MOSFET pipe is connected with DC/DC translation circuit input, described inductance is connected in series with MOSFET pipe, described inductance and capacitance series, described electric capacity is in parallel with storage battery, the negative pole of described diode is connected between MOSFET pipe and inductance, the positive pole of described diode is connected with resistance, described electric capacity, resistance, diode, inductance forms primary Ioops.DC/DC translation circuit is herein Buck circuit.
Further illustrate as of the present utility model, described controller comprises voltage sample module, current sample module, single-chip microcomputer, described voltage sample module is connected with storage battery, described current sample module is connected with one end of resistance, one end of described resistance is connected with electric capacity, described single-chip microcomputer and voltage sample module and current sample model calling, described single-chip microcomputer is connected with MOSFET pipe.So, voltage sample module, current sample module, single-chip microcomputer and above-mentioned Buck circuit form maximum power tracking device.Concrete control procedure is as follows: single-chip microcomputer passes through voltage (output voltage of Buck) and the charging current (output current of Buck) of voltage sample module and current sample module samples storage battery, to duty ratio disturbance, observe the change of power on storage battery, if power increase, duty ratio is maintained to the disturbance in former direction, if power reduces, to duty ratio disturbance in the other direction, so repeatedly go on, after single-chip microcomputer calculates voltage disturbance, to MOSFET pipe output switching signal.By maximum power tracking device, when external environment condition or storage battery change, wind-driven generator and photovoltaic array can be operated near maximum power point, to improve the utilization ratio of wind-driven generator and photovoltaic array.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structured flowchart of a kind of wind and solar hybrid generating system of the utility model;
Fig. 2 is the schematic diagram of the maximum power tracking device that the DC/DC translation circuit in voltage sample module, current sample module, single-chip microcomputer and the DC/DC power inverter in Fig. 1 middle controller is formed.
Symbol description in figure:
10-wind-driven generator;
20-rectifier;
30-photovoltaic array;
41-DC/DC power inverter; 42-DC/DC power inverter; 400-DC/DC translation circuit input;
50-storage battery;
60-inverter;
70-controller;
80-AC load;
90-DC load;
71-voltage acquisition module;
72-current acquisition module;
73-single-chip microcomputer;
Cin-storage capacitor; C-electric capacity;
D-diode;
L-inductance;
Q-MOSFET manages;
R-resistance.
Embodiment
As shown in Figure 1, a kind of wind and solar hybrid generating system, comprises wind-driven generator 10, rectifier 20, photovoltaic array 30, a DC/DC power inverter 41, the 2nd DC/DC power inverter 42, storage battery 50, inverter 60, controller 70, AC load 80, DC load 90.Described wind-driven generator 10 is connected with rectifier 20, described rectifier 20 is connected with a DC/DC power inverter 41, described photovoltaic array 30 is connected with the 2nd DC/DC power inverter 42, a described DC/DC power inverter 41 is connected with storage battery 50 by DC bus with the 2nd DC/DC power inverter 42, a described DC/DC power inverter 41 is connected with DC load 90 with the 2nd DC/DC power inverter 42, described inverter 60 is connected with a DC/DC power inverter 41 and the 2nd DC/DC power inverter 42, described AC load 80 is connected with inverter 60, described DC load 90 is connected with storage battery 50, described inverter 60 is connected with storage battery 50, a described DC/DC power inverter 41 is connected with controller 70 respectively with the 2nd DC/DC power inverter 42, described storage battery 50 is connected with controller 70.
A described DC/DC power inverter 41 and the 2nd DC/DC power inverter 42 include DC/DC translation circuit.Described controller 70 comprises voltage sample module 71, current sample module 72, single-chip microcomputer 73.
As shown in Figure 2, described DC/DC translation circuit comprises storage capacitor Cin, MOSFET pipe Q, inductance L, electric capacity C, diode D, resistance R, described storage capacitor Cin is in parallel with DC/DC translation circuit input 400, described MOSFET pipe Q is connected with DC/DC translation circuit input 400, described inductance L is connected in series with MOSFET pipe Q, described inductance L is connected in series with electric capacity C, described electric capacity C is in parallel with storage battery 20, the negative pole of described diode D is connected between MOSFET pipe Q and inductance L, the positive pole of described diode D is connected with resistance R, described electric capacity C, resistance R, diode D, inductance L forms primary Ioops.Described voltage sample module 71 is connected with storage battery 50, described current sample module 72 is connected with one end of resistance R, one end of described resistance R is connected with electric capacity C, and described single-chip microcomputer 73 is connected with voltage sample module 71 and current sample module 72, and described single-chip microcomputer 73 is connected with MOSFET pipe Q.
Wind-driven generator 10 produces alternating current, becomes direct current through rectifier 20 rectification, and effectively exports fixed voltage through a DC/DC power inverter 41; Photovoltaic array 30 converts solar energy to direct current by photovoltaic effect, and effectively exports fixed voltage through the 2nd DC/DC power inverter 42.The direct current produced through a DC/DC power inverter 41 and the 2nd DC/DC power inverter 42 is powered to DC load 90, and the direct current produced through a DC/DC power inverter 41 and the 2nd DC/DC power inverter 42 converts to after alternating current through inverter 60 and powers to AC load 80.When the electric energy that wind-driven generator 10 and photovoltaic array 30 export remains in addition except supply DC load 90 and AC load 80, storage battery 50 is by these electrical power storage; When the electric energy that wind-driven generator 10 and photovoltaic array 30 export is not enough to meet DC load 90 and AC load 80 requires, then by storage battery 50 to its power supply.Controller 70 is connected with a DC/DC power inverter 41 and the 2nd DC/DC power inverter 42, and to realize maximal power tracing, controller 70 is connected with storage battery 50, to control the discharge and recharge of storage battery 50.
Above content is only better embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (3)
1. a wind and solar hybrid generating system, comprise wind-driven generator (10), rectifier (20), photovoltaic array (30), one DC/DC power inverter (41), 2nd DC/DC power inverter (42), storage battery (50), inverter (60), controller (70), AC load (80), DC load (90), described wind-driven generator (10) is connected with rectifier (20), described rectifier (20) is connected with a DC/DC power inverter (41), described photovoltaic array (30) is connected with the 2nd DC/DC power inverter (42), it is characterized in that: a described DC/DC power inverter (41) is connected with storage battery (50) by DC bus with the 2nd DC/DC power inverter (42), a described DC/DC power inverter (41) is connected with DC load (90) with the 2nd DC/DC power inverter (42), described inverter (60) is connected with a DC/DC power inverter (41) and the 2nd DC/DC power inverter (42), described AC load (80) is connected with inverter (60), described DC load (90) is connected with storage battery (50), described inverter (60) is connected with storage battery (50), a described DC/DC power inverter (41) is connected with controller (70) respectively with the 2nd DC/DC power inverter (42), described storage battery (50) is connected with controller (70).
2. a kind of wind and solar hybrid generating system as claimed in claim 1, it is characterized in that: a described DC/DC power inverter (41) and the 2nd DC/DC power inverter (42) include DC/DC translation circuit, described DC/DC translation circuit comprises storage capacitor (Cin), MOSFET manages (Q), inductance (L), electric capacity (C), diode (D), resistance (R), described storage capacitor (Cin) is in parallel with DC/DC translation circuit input (400), described MOSFET pipe (Q) is connected with DC/DC translation circuit input (400), described inductance (L) is managed (Q) and is connected in series with MOSFET, described inductance (L) is connected in series with electric capacity (C), described electric capacity (C) is in parallel with storage battery (20), the negative pole of described diode (D) is connected between MOSFET pipe (Q) and inductance (L), the positive pole of described diode (D) is connected with resistance (R), described electric capacity (C), resistance (R), diode (D), inductance (L) forms primary Ioops.
3. a kind of wind and solar hybrid generating system as claimed in claim 2, it is characterized in that: described controller (70) comprises voltage sample module (71), current sample module (72), single-chip microcomputer (73), described voltage sample module (71) is connected with storage battery (50), described current sample module (72) is connected with one end of resistance (R), one end of described resistance (R) is connected with electric capacity (C), described single-chip microcomputer (73) is connected with voltage sample module (71) and current sample module (72), described single-chip microcomputer (73) is managed (Q) and is connected with MOSFET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568396.5U CN204190669U (en) | 2014-09-29 | 2014-09-29 | A kind of wind and solar hybrid generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568396.5U CN204190669U (en) | 2014-09-29 | 2014-09-29 | A kind of wind and solar hybrid generating system |
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| CN204190669U true CN204190669U (en) | 2015-03-04 |
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| CN201420568396.5U Expired - Fee Related CN204190669U (en) | 2014-09-29 | 2014-09-29 | A kind of wind and solar hybrid generating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242790A (en) * | 2014-09-29 | 2014-12-24 | 苏州克兰兹电子科技有限公司 | Wind-solar hybrid power generation system |
| CN108483648A (en) * | 2018-05-11 | 2018-09-04 | 中国科学院生态环境研究中心 | A kind of integrating device using wind energy and Driven by Solar Energy Sewage Biological Treatment |
| CN112928765A (en) * | 2019-12-06 | 2021-06-08 | 阳光电源股份有限公司 | Wind-light storage converter system and control method thereof |
-
2014
- 2014-09-29 CN CN201420568396.5U patent/CN204190669U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242790A (en) * | 2014-09-29 | 2014-12-24 | 苏州克兰兹电子科技有限公司 | Wind-solar hybrid power generation system |
| CN108483648A (en) * | 2018-05-11 | 2018-09-04 | 中国科学院生态环境研究中心 | A kind of integrating device using wind energy and Driven by Solar Energy Sewage Biological Treatment |
| CN112928765A (en) * | 2019-12-06 | 2021-06-08 | 阳光电源股份有限公司 | Wind-light storage converter system and control method thereof |
| CN112928765B (en) * | 2019-12-06 | 2024-05-14 | 阳光电源股份有限公司 | Wind-solar energy storage current transformation system and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20150929 |
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| EXPY | Termination of patent right or utility model |