CN104767264A - Voltage boost power supply device for small-and-medium-size wind power generator - Google Patents
Voltage boost power supply device for small-and-medium-size wind power generator Download PDFInfo
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- CN104767264A CN104767264A CN201510182663.4A CN201510182663A CN104767264A CN 104767264 A CN104767264 A CN 104767264A CN 201510182663 A CN201510182663 A CN 201510182663A CN 104767264 A CN104767264 A CN 104767264A
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- wind
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The invention discloses a voltage boost power supply device for a small-and-medium-size wind power generator. The device comprises a mainboard circuit, a wind power output circuit, a rectifying and filtering circuit, a booster circuit, a temperature detection circuit, a voltage and current sampling circuit, a voltage and current protecting circuit and a modulating and driving circuit, wherein three-phase alternating current output by the mainboard circuit and the wind power output circuit is connected to the rectifying and filtering circuit, the booster circuit is connected to the output end of the rectifying and filtering circuit, the voltage and current sampling circuit, the temperature detection circuit and the modulating and driving circuit are connected to the output end of the booster circuit together, and the voltage and current protecting circuit is connected between the voltage and current sampling circuit and the modulating and driving circuit. By the adoption of the device, boosting can be conducted on wind power generation at a low wind speed, so that power generation efficiency of the wind power generator is improved, the adaptability of the small-and-medium-size wind power generator is improved, and the small-and-medium-size wind power generator has a wide application range and high commercial popularizing value.
Description
Technical field
The present invention relates to a kind of boosting power device, be specifically related to a kind of boosting power device being applied to middle-size and small-size wind-force wind turbine.
Background technology
Along with the fast development of world industry, the consumption of the primary energy such as oil, coal gets more and more, and causes the reserves of the last energy of the earth in continuous minimizing.Therefore greatly develop the new forms of energy such as wind power generation become the whole world around door topic, it changes the present situation of resident family and small business's electricity consumption, but the low and input voltage of middle-size and small-size wind-driven generator utilance is unstable etc., and problem becomes its bottleneck obtaining more extensively using.
Normal wind generator could start generating when cutting people's wind speed 3m/s, rated speed 12.5m/s, when wind speed is 25m/s just likely there is the wild effect appearance such as the dangerous output voltage rising of driving in wind-driven generator, otherwise when incision wind speed is less than 3m/s or time calm, the effective electricity of conventional wind-driven generator is low cannot charge to storage battery, thus reduces generating efficiency.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, provide a kind of reasonable in design, defencive function complete, in the hypodynamic situation of wind, wind-driven generator can be sent small boost in voltage at middle-size and small-size wind generator system and become the voltage required for system to the plug-in type boosting power device of storage battery makeup energy.
Technical scheme: one of the present invention middle-size and small-size wind-force wind turbine boosting power device, comprise motherboard circuit, blower fan generating output circuit, current rectifying and wave filtering circuit, booster circuit, temperature sensing circuit, electric current and voltage sample circuit, electric current and voltage protective circuit and modulation drive circuit, described motherboard circuit and the described blower fan three-phase alternating current that output circuit exports that generates electricity is electrically connected to described current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with booster circuit, the output of described booster circuit is connected with electric current and voltage sample circuit jointly, temperature sensing circuit and modulation drive circuit, electric current and voltage protective circuit is connected with between described electric current and voltage sample circuit and described modulation drive circuit, described current rectifying and wave filtering circuit is also connected with accessory power supply, and described accessory power supply is connected with fan, and described booster circuit exports and is also connected with load, and described load is also connected with storage battery.
As optimization, described booster circuit is made up of inductance, diode and the field effect transistor that two-way is parallel with one another, and voltage can be raised 40-80V by this booster circuit.
As optimization, described inductance adopts EE55 inductance, and described diode adopts MBR3060 diode, and described field effect transistor adopts K40T202 field effect transistor.
As optimization, described field effect transistor is installed on a heat sink, and fin is dispelled the heat by fan.
As optimization, the temperature signal that described temperature sensing circuit detects and current signal are together sent into described modulation drive circuit and are controlled driving pulse width.
As optimization, described electric current and voltage sample circuit is the testing circuit be made up of Hall element CS020.
As optimization, described electric current and voltage protective circuit is the protective circuit be made up of some resistance, and this circuit is connected with the input of described modulation drive circuit.
As optimization, described modulation drive circuit is the control circuit be made up of fixed frequency pulse width modulated chip TL494CN, and this control circuit also comprises pwm circuit, triangular-wave generator, battery voltage detection and+5V reference circuit.
As optimization, the Parallel opertation two-way booster circuit of described current rectifying and wave filtering circuit, every road is be made up of the inductance be connected in series, two pieces of field effect transistor and diode respectively, and two-way booster circuit exports and detects output current, voltage carry out makeup energy to storage battery through Hall element CS020; Simultaneously the output pin of described Hall element CS020 detects electric current, voltage, and delivers to 16 pin of TL494CN respectively by resistance and 1 pin carries out overcurrent, overvoltage protection.
Beneficial effect: this boosting power device can send out system in the hypodynamic situation of wind at middle-size and small-size wind-force, not only to charge in batteries, and can not want the performance of consuming cells.It is primarily of control system and the certain electric energy of yaw system consumption; for 10KW wind power system; wind energy system need consume and be about 500W power; to be plug-in type power supply can send small boost in voltage to existing middle-size and small-size wind generator system to this device in the hypodynamic situation of wind by wind-driven generator become voltage required for system to storage battery makeup energy, adopts inserted mode reasonable in design, defencive function is complete can not affect or change original wind generator system function.
This device just improves wind-driven generator energy output under the low speed to charge in batteries effectively, substantially increases the applicability of middle-size and small-size wind-driven generator, makes middle-size and small-size wind-driven generator have wide field to have business promotion and is worth.This device can make wind-driven generator send faint voltage to raise into and can charge, and increases electricity and effectively extends battery, improves the annual effective energy output of wind-driven generator.
Voltage is raised 40-80V through secondary voltage multiplying rectifier again by the three-phase alternating voltage of wind-driven generator by this booster circuit device after three phase rectifier.Efficiently solve middle-size and small-size wind-force send out system can not to charge in batteries in the hypodynamic situation of wind, supplement the problem that the energy content of battery consumes.Utilize when rotation speed of fan is low plug-in type supply unit also to have charging current like this, provide charging current and control system energy by booster power.When rotation speed of fan height, output voltage cuts off automatically more than 260V boosting detection system.There is provided energy by former blower fan system, if due to certain cause specific booster circuit damage time, blower fan system still normally works.
Accompanying drawing explanation
Fig. 1 is control circuit structure chart of the present invention.
Fig. 2 is control circuit schematic diagram of the present invention.
Embodiment
The middle-size and small-size wind-force wind turbine of one as depicted in figs. 1 and 2 boosting power device, comprise motherboard circuit, blower fan generating output circuit, current rectifying and wave filtering circuit, booster circuit, temperature sensing circuit, electric current and voltage sample circuit, electric current and voltage protective circuit and modulation drive circuit, described motherboard circuit and the described blower fan three-phase alternating current that output circuit exports that generates electricity is electrically connected to described current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with booster circuit, the output of described booster circuit is connected with electric current and voltage sample circuit jointly, temperature sensing circuit and modulation drive circuit, electric current and voltage protective circuit is connected with between described electric current and voltage sample circuit and described modulation drive circuit, described current rectifying and wave filtering circuit is also connected with accessory power supply, and described accessory power supply is connected with fan, and described booster circuit exports and is also connected with load, and described load is also connected with storage battery.
Physical circuit as shown in Figure 1, motherboard circuit and the described blower fan three-phase alternating current that output circuit exports that generates electricity is connected to rectifier circuit BRG1 jointly, rectifier circuit BRG1 exports a point two-way booster circuit, wherein a road is inductance L 1, field effect transistor Q1, the diode D1 of series connection, another road is inductance L 2, field effect transistor Q2, the diode D2 of series connection, and diode D1 and diode D2 is connected with Hall element CS020 jointly.The output of Hall element CS020 is connected with batteries; the output of Hall element CS020 is also connected with TL494; wherein leading up to resistance R19, R6, R9 arrives 3 pin of TL494 and carries out overcurrent protection, separately leads up to resistance R4, R3, R5, R7 to arrive the 1 pin machinery overvoltage protection of TL494.Each pin of TL494 is also connected with various bypass simultaneously, comprises pwm circuit respectively, triangular-wave generator, battery voltage detection and+5V reference circuit.
The field effect transistor of this device is because be contained on heating panel, and heating panel needs to produce a large amount of heats, so need to carry out radiating treatment.As Fig. 1, the output of current rectifying and wave filtering circuit connects by Switching Power Supply, and the output of Switching Power Supply is connected with three terminal regulator LM7812, and three-terminal voltage-stabilizing stable output voltage supplies to fan, and fan can carry out radiating treatment.Simultaneously three terminal regulator be also connected with temperature sensing circuit, the output of temperature sensing circuit and above-mentioned overcurrent protection connection, carry out temperature detection protection by 3 pin of resistance R19, R6, R9 arrival TL494.
The boosting operation principle of this device is:
Wind-driven generator sends three-phase alternating current and exports through mainboard three phase rectifier and lead up to inductance L 1-field effect transistor Q1-diode D1 by being divided into two-way after inductor filter and boost.After inductance L 2-field effect transistor Q2-diode D2 of separately leading up to boosts, two-way parallel connection is amplified through current detector CS020 output voltage batteries charging makeup energy.
Electric current, the voltage protection principle of this device are:
16 pin of the over-current signal-R19-R6-R9-TL494 detected by 3 pin of current sensor CS020 during load overcurrent; flow through load current larger potentiometer R6 mid-point voltage lower; the 16 pin voltages of TL494 decline thereupon; 3 pin voltages are raised and sends into pulse width modulation device; TL494 driving pulse width is reduced gradually; thus reaching overcurrent protection object, C8, R20 are the feedback original paper of error amplifier.
1 pin of the overvoltage signal-R4-R3-R5-R7-TL494 of transducer CS020 output detections; more high potential device R5 mid-point voltage is lower to flow through load voltage; the 1 pin voltage of TL494 declines thereupon; 3 pin voltages are raised and sends into pulse width modulation device; TL494 driving pulse width is reduced gradually, thus reaches overvoltage protection object.
The MOSFET field effect transistor that this circuit amplifier section have employed 4 performances higher is contained on one piece of fin; the heatsink temperature that works long hours is higher, damages have employed two kinds of defencive functions: 1) connect 12V electric fan by accessory power supply and reduce heating panel temperature to heating panel blowing in order to avoid power tube Yin Wendu rising.2) detect heating panel temperature signal and current signal by temperature sensor together send into TL494 chip controls driving pulse width thus protect the damage that power tube Yin Wendu raises, make amplifying circuit reliable and stable.
Voltage is raised 40-80V through secondary voltage multiplying rectifier again by the three-phase alternating voltage of wind-driven generator by this booster circuit device after three phase rectifier.Efficiently solve middle-size and small-size wind-force send out system can not to charge in batteries in the hypodynamic situation of wind, supplement the problem that the energy content of battery consumes.Utilize when rotation speed of fan is low plug-in type supply unit also to have charging current like this, provide charging current and control system energy by booster power.When rotation speed of fan height, output voltage cuts off automatically more than 260V boosting detection system.There is provided energy by former blower fan system, if due to certain cause specific booster circuit damage time, blower fan system still normally works.(this power supply ceiling voltage is decided to be 260V, can determine according to cell arrangement) this power supply exports and is connected with output circuit through heavy-duty diode output, can avoid interference each other like this.
Normal wind generator could start generating when cutting people's wind speed 3m/s, rated speed 12.5m/s, when wind speed is 25m/s just likely there is the wild effect appearance such as the dangerous output voltage rising of driving in wind-driven generator, otherwise when incision wind speed is less than 3m/s or time calm, the effective electricity of conventional wind-driven generator is low cannot charge to storage battery, this device just improves wind-driven generator energy output under the low speed to charge in batteries effectively, substantially increase the applicability of middle-size and small-size wind-driven generator, make middle-size and small-size wind-driven generator have wide field to have business promotion to be worth.This device can make wind-driven generator send faint voltage to raise into and can charge, and increases electricity and effectively extends battery, improves the annual effective energy output of wind-driven generator.
Middle-size and small-size wind-force sends out system in the hypodynamic situation of wind, not only to charge in batteries, and can not want the performance of consuming cells.It is primarily of control system and the certain electric energy of yaw system consumption; for 10KW wind power system; wind energy system need consume and be about 500W power; to be plug-in type power supply can send small boost in voltage to existing middle-size and small-size wind generator system to this device in the hypodynamic situation of wind by wind-driven generator become voltage required for system to storage battery makeup energy, adopts inserted mode reasonable in design, defencive function is complete can not affect or change original wind generator system function.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. one kind middle-size and small-size wind-force wind turbine boosting power device, it is characterized in that: comprise motherboard circuit, blower fan generating output circuit, current rectifying and wave filtering circuit, booster circuit, temperature sensing circuit, electric current and voltage sample circuit, electric current and voltage protective circuit and modulation drive circuit, described motherboard circuit and the described blower fan three-phase alternating current that output circuit exports that generates electricity is electrically connected to described current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with booster circuit, the output of described booster circuit is connected with electric current and voltage sample circuit jointly, temperature sensing circuit and modulation drive circuit, electric current and voltage protective circuit is connected with between described electric current and voltage sample circuit and described modulation drive circuit, described current rectifying and wave filtering circuit is also connected with accessory power supply, and described accessory power supply is connected with fan, and described booster circuit exports and is also connected with load, and described load is also connected with storage battery.
2. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: described booster circuit is made up of inductance, diode and the field effect transistor that two-way is parallel with one another, and voltage can be raised 40-80V by this booster circuit.
3. one according to claim 2 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: described inductance adopts EE55 inductance, and described diode adopts MBR3060 diode, and described field effect transistor adopts K40T202 field effect transistor.
4. one according to claim 1 and 2 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: described field effect transistor is installed on a heat sink, and fin is dispelled the heat by fan.
5. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: the temperature signal that described temperature sensing circuit detects and current signal are together sent into described modulation drive circuit and controlled driving pulse width.
6. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: described electric current and voltage sample circuit is the testing circuit be made up of Hall element CS020.
7. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, is characterized in that: described electric current and voltage protective circuit is the protective circuit be made up of some resistance, and this circuit is connected with the input of described modulation drive circuit.
8. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, it is characterized in that: described modulation drive circuit is the control circuit be made up of fixed frequency pulse width modulated chip TL494CN, this control circuit also comprises pwm circuit, triangular-wave generator, battery voltage detection and+5V reference circuit.
9. one according to claim 1 middle-size and small-size wind-force wind turbine boosting power device, it is characterized in that: the Parallel opertation two-way booster circuit of described current rectifying and wave filtering circuit, every road is be made up of the inductance be connected in series, two pieces of field effect transistor and diode respectively, and two-way booster circuit exports and detects output current, voltage carry out makeup energy to storage battery through Hall element CS020; Simultaneously the output pin of described Hall element CS020 detects electric current, voltage, and delivers to 16 pin of TL494CN respectively by resistance and 1 pin carries out overcurrent, overvoltage protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182663.4A CN104767264B (en) | 2015-04-16 | 2015-04-16 | A kind of middle-size and small-size wind-force wind turbine boosting power device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182663.4A CN104767264B (en) | 2015-04-16 | 2015-04-16 | A kind of middle-size and small-size wind-force wind turbine boosting power device |
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| Publication Number | Publication Date |
|---|---|
| CN104767264A true CN104767264A (en) | 2015-07-08 |
| CN104767264B CN104767264B (en) | 2017-09-19 |
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| CN201510182663.4A Active CN104767264B (en) | 2015-04-16 | 2015-04-16 | A kind of middle-size and small-size wind-force wind turbine boosting power device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100484882B1 (en) * | 1998-04-10 | 2005-08-10 | 엘지전자 주식회사 | Battery charge control circuit |
| CN203504269U (en) * | 2013-10-18 | 2014-03-26 | 漳州科华技术有限责任公司 | Boost and brake integration wind power charging control device |
| CN204696776U (en) * | 2015-04-16 | 2015-10-07 | 南通理工学院 | A kind of middle-size and small-size wind-force wind turbine boosting power device |
-
2015
- 2015-04-16 CN CN201510182663.4A patent/CN104767264B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100484882B1 (en) * | 1998-04-10 | 2005-08-10 | 엘지전자 주식회사 | Battery charge control circuit |
| CN203504269U (en) * | 2013-10-18 | 2014-03-26 | 漳州科华技术有限责任公司 | Boost and brake integration wind power charging control device |
| CN204696776U (en) * | 2015-04-16 | 2015-10-07 | 南通理工学院 | A kind of middle-size and small-size wind-force wind turbine boosting power device |
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| Publication number | Publication date |
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| CN104767264B (en) | 2017-09-19 |
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