CN106877483A - A kind of electrical energy changer of wind generator system - Google Patents
A kind of electrical energy changer of wind generator system Download PDFInfo
- Publication number
- CN106877483A CN106877483A CN201710182435.6A CN201710182435A CN106877483A CN 106877483 A CN106877483 A CN 106877483A CN 201710182435 A CN201710182435 A CN 201710182435A CN 106877483 A CN106877483 A CN 106877483A
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- Prior art keywords
- switches
- electrically connected
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- generator
- wind
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Classifications
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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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
- H02J7/1438—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 in combination with power supplies for loads other than batteries
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention relates to the electrical energy changer technical field of wind generator system,A kind of especially electrical energy changer of wind generator system,Including wind turbine,The output end of the wind turbine is connected to the input of generator,The generator is electrically connected with rectifier,The direct current voltage reulation device is electrically connected with inverter,The inverter is connected with user power utilization,Output lead between the inverter and user is electrically connected with the input of same system controller with the output lead of battery,The T5 switch input that wire and mechanical braking between wind turbine and generator brake is electrically connected with by wire of output terminal,The T4 switches are electrically connected with the input of wire and load controller between generator and rectifier by wire of output terminal,The output end of the load controller is electrically connected at the input of load device.
Description
Technical field
The present invention relates to the electrical energy changer technical field of wind generator system, more particularly to a kind of wind generator system
Electrical energy changer.
Background technology
Along with expanding economy and the growth of population, increase in demand of the mankind to the energy, and based on coal, oil
There is finiteness, and pollution and destruction natural environment in conventional energy resource.Wind energy is a kind of regenerative resource of cleaning, and resource is rich
Richness, the characteristics of having without exploitation, transport.Current wind generator system point non-straight driving wind power generation system and direct-drive wind power generation
System, after the former is mainly raised speed using gear-box to wind turbine, drives conventional asynchronous generator, and direct-drive wind power generation is whole
In architecture, due to eliminating step-up gear, the volume and weight of wind-driven generator is reduced, eliminate maintenance, reduced
The running noises of wind-driven generator, so the electrical energy changer of research directly-driving wind power generation system is to improving wind-powered electricity generation conversion effect
The popularization of rate and exploitation wind generating technology, there is important Social benefit and economic benefit.The time variation of wind speed so that wind-force
Voltage and the frequency change of generator, are not easy to directly be supported utilization, so current Stand-alone Operation Wind Generation System leads to
The conversion regime for crossing " AC-DC-exchange " is powered, and to consider the very weak and calm situation of wind speed, is made in the device of system
Energy storage is carried out with battery.The alternating current of generator first is become into direct current with rectifier to be charged to battery, then uses inversion
Device uses DC power conversion into voltage with the electricity output supply load that exchanges of frequency stabilization.Will in the energy transmission distribution of system
Changed by energy twice：Electric energy-chemical energy-electric energy, the utilization rate of energy is relatively low, and the energy sent due to wind-power electricity generation compared with
It is small, often do not reach the electric energy of loading demand.Therefore, a kind of it is proposed that electrical energy changer of wind generator system.
The content of the invention
The invention aims to solve shortcoming present in prior art, the time variation of wind speed so that wind-power electricity generation
Voltage and the frequency change of machine, are not easy to directly be supported utilization, so current Stand-alone Operation Wind Generation System is by " handing over
The conversion regime of stream-DC-AC " is powered, and to consider the very weak and calm situation of wind speed, and storage has been used in the device of system
Battery carries out energy storage.The alternating current of generator first is become into direct current with rectifier to be charged to battery, then will be straight with inverter
Stream electricity is transformed into voltage and is used with the electricity output supply load that exchanges of frequency stabilization.Will be by two in the energy transmission distribution of system
Secondary energy conversion：Electric energy-chemical energy-electric energy, the utilization rate of energy is relatively low, and because the energy that wind-power electricity generation sends is smaller, it is past
Toward the electric energy for not reaching loading demand.And a kind of electrical energy changer of the wind generator system for proposing.
To achieve these goals, present invention employs following technical scheme：
Design a kind of electrical energy changer of wind generator system, including wind turbine, the output end connection of the wind turbine
In the input of generator, the generator is electrically connected with rectifier, and the rectifier is electrically connected respectively by two wires
TI switches and T2 switches are connected to, the TI switches are electrically connected with battery controller, and the battery controller is electrically connected with
There is T3 to switch and battery, the T2 switches and T3 switches are respectively connected with same direct current voltage reulation device, the direct current voltage reulation device
Be electrically connected with inverter, the inverter is connected with user power utilization, the output lead between the inverter and user with store
The output lead of battery is electrically connected with the input of same system controller, and the output end of the system controller connects respectively
T1 switches, T2 switches, the input that T3 is switched, T4 switches, T5 are switched are connected to, the T5 switches are electric respectively by wire of output terminal
Property be connected to the input of wire between wind turbine and generator and mechanical braking brake, the T4 switches are led by output end
Line is electrically connected with the input of the wire and load controller between generator and rectifier, the load controller
Output end is electrically connected at the input of load device.
Preferably, the generator is magneto alternator.
Preferably, the output end of the load device is connected with any one in ligthing paraphernalia, household electrical appliance, lathe by wire
The input planted.
Preferably, the system controller is electrically connected with wireless communication module, the output end of the wireless communication module
Signal is connected to the input of mobile terminal.
A kind of electrical energy changer of wind generator system proposed by the present invention, beneficial effect is：Normal threshold wind velocity
After arrival, wind turbine brings into operation, when wind speed is larger, the electric energy that generating set sends, by after rectifier regulation, being used
Alternating current required for the load of family, unnecessary electric energy is stored by battery；When wind speed is not enough, wind power generating set hair
Or the smaller energy that do not generate electricity of electric energy for going out, is now generated electricity to electrical energy changer by battery, and then after conversion, supply user bears
Carry；Electric energy needed for the electric energy that generating set sends is much larger than user, and in the case where accumulator electric-quantity has been filled, adopt
With load controller to unnecessary electrical energy discharge, present invention contrast the deficiencies in the prior art are greatly improved using new technique
The utilization rate of energy, and the energy that final result wind-power electricity generation sends is smaller, does not often reach the problem of the electric energy of loading demand,
Practical more anxious plus flexible, generate electricity the various problems for running into targetedly final result in room, is promoted the use of after being worth.
Brief description of the drawings
Fig. 1 is a kind of electrical energy changer structural representation of wind generator system proposed by the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Reference picture 1, a kind of electrical energy changer of wind generator system, including wind turbine, the output end of the wind turbine
The input of generator is connected to, the generator is electrically connected with rectifier, and the generator is magneto alternator, wind
The wind energy for capturing is driven magneto by turbine in the form of mechanical energy, and the rotating speed of magneto is with the change of wind speed
It is changed, sends the electric energy that voltage and frequency all change, simple structure, reliability are high, magneto eliminates common hair
The Exciting Windings for Transverse Differential Protection of motor, carbon brush, slip ring structure, complete machine structure are simple, it is to avoid Exciting Windings for Transverse Differential Protection is easily burnt, broken, carbon brush, slip ring
Structure, complete machine structure is simple, and small volume, lightweight, specific power are big, in, low speed power generation performance it is good, can significantly extend battery
In the life-span, reduce battery service high working efficiency.
The rectifier has been electrically connected with TI and has switched and T2 switches by two wires, and the TI switches are electrically connected with
There is battery controller, the battery controller has been electrically connected with T3 switches and battery, and the T2 switches and T3 switches are equal
Same direct current voltage reulation device is connected with, the direct current voltage reulation device is electrically connected with inverter, and the inverter is connected with user
Electricity consumption, the output lead between the inverter and user is electrically connected with same system control with the output lead of battery
The input of device, the system controller is electrically connected with wireless communication module, the output end signal of the wireless communication module
It is connected to the input of mobile terminal, it is possible to use the 3rd scene is managed, understands, can be more when to go wrong
Quickly make counte-rplan.
The output end of the system controller is connected to T1 switches, T2 switches, T3 switches, T4 switches, T5 and switchs
Input, the T5 switches are electrically connected with wire and machinery system between wind turbine and generator by wire of output terminal
The input of dynamic brake, the T4 switches are electrically connected with the wire between generator and rectifier by wire of output terminal
With the input of load controller, the output end of the load controller is electrically connected at the input of load device.The load
The output end of device is connected with the input of any one in ligthing paraphernalia, household electrical appliance, lathe by wire, in order to avoid electric energy
Waste, can make its electric energy have it is other act on, it is relatively more environmentally friendly.
Operation principle：After normal threshold wind velocity is reached, wind turbine brings into operation, and when wind speed is larger, generating set sends
Electric energy, by rectifier regulation after, the alternating current required for obtaining user load, unnecessary electric energy is stored by battery
Come；When wind speed is not enough, or the smaller energy that do not generate electricity of electric energy that wind power generating set sends, now generated electricity to electric energy by battery
After converting means, and then conversion, user load is supplied；Electric energy needed for the electric energy that generating set sends is much larger than user, and
In the case where accumulator electric-quantity has been filled, using load controller to unnecessary electrical energy discharge.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of electrical energy changer of wind generator system, including wind turbine, it is characterised in that the output end of the wind turbine
The input of generator is connected to, the generator is electrically connected with rectifier, and the rectifier is electric respectively by two wires
Property be connected with TI switches and T2 switches, TI switch is electrically connected with battery controller, and the battery controller is electrical respectively
T3 switches and battery are connected with, the T2 switches and T3 switches are respectively connected with same direct current voltage reulation device, the direct current voltage reulation
Device is electrically connected with inverter, and the inverter is connected with user power utilization, the output lead between the inverter and user
The input of same system controller, the output end point of the system controller are electrically connected with the output lead of battery
T1 switches, T2 switches, T3 switches, T4 switches, the input of T5 switches are not connected to, and the T5 switches are by wire of output terminal point
The input of wire and the mechanical braking brake not being electrically connected between wind turbine and generator, the T4 switches are by output
End wire is electrically connected with the input of wire and load controller between generator and rectifier, the load control
The output end of device is electrically connected at the input of load device.
2. a kind of electrical energy changer of wind generator system according to claim 1, it is characterised in that the generator
It is magneto alternator.
3. a kind of electrical energy changer of wind generator system according to claim 1, it is characterised in that the load device
Output end the input of any one in ligthing paraphernalia, household electrical appliance, lathe is connected with by wire.
4. a kind of electrical energy changer of wind generator system according to claim 1, it is characterised in that the system control
Device processed is electrically connected with wireless communication module, and the output end signal of the wireless communication module is connected to the input of mobile terminal
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182435.6A CN106877483A (en) | 2017-03-24 | 2017-03-24 | A kind of electrical energy changer of wind generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182435.6A CN106877483A (en) | 2017-03-24 | 2017-03-24 | A kind of electrical energy changer of wind generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877483A true CN106877483A (en) | 2017-06-20 |
Family
ID=59173529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710182435.6A Pending CN106877483A (en) | 2017-03-24 | 2017-03-24 | A kind of electrical energy changer of wind generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877483A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708827A (en) * | 2018-05-07 | 2018-10-26 | 南京宁风能源科技有限公司 | A kind of high-efficiency wind driven generator group |
| CN108736345A (en) * | 2018-07-13 | 2018-11-02 | 河南城建学院 | A kind of multi-energy complementation mobile power vehicle device |
| CN108979971A (en) * | 2018-06-27 | 2018-12-11 | 芜湖盘云石磨新能源科技有限公司 | A kind of wind power generation stepped building equipment of highway |
| CN112253390A (en) * | 2020-11-12 | 2021-01-22 | 江苏乃尔风电技术开发有限公司 | Wind driven generator and control device thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204046189U (en) * | 2014-04-30 | 2014-12-24 | 成都中环资(集团)有限公司 | A kind of intelligent grid distributed wind-power generator system |
| CN105484941A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Wind power generation system |
| CN205423064U (en) * | 2015-12-04 | 2016-08-03 | 国家电网公司 | Wind power generation system |
-
2017
- 2017-03-24 CN CN201710182435.6A patent/CN106877483A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204046189U (en) * | 2014-04-30 | 2014-12-24 | 成都中环资(集团)有限公司 | A kind of intelligent grid distributed wind-power generator system |
| CN105484941A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Wind power generation system |
| CN205423064U (en) * | 2015-12-04 | 2016-08-03 | 国家电网公司 | Wind power generation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708827A (en) * | 2018-05-07 | 2018-10-26 | 南京宁风能源科技有限公司 | A kind of high-efficiency wind driven generator group |
| CN108979971A (en) * | 2018-06-27 | 2018-12-11 | 芜湖盘云石磨新能源科技有限公司 | A kind of wind power generation stepped building equipment of highway |
| CN108736345A (en) * | 2018-07-13 | 2018-11-02 | 河南城建学院 | A kind of multi-energy complementation mobile power vehicle device |
| CN112253390A (en) * | 2020-11-12 | 2021-01-22 | 江苏乃尔风电技术开发有限公司 | Wind driven generator and control device thereof |
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