CN106532924A - Power supply source of electric vehicle charging station - Google Patents
Power supply source of electric vehicle charging station Download PDFInfo
- Publication number
- CN106532924A CN106532924A CN201611021691.9A CN201611021691A CN106532924A CN 106532924 A CN106532924 A CN 106532924A CN 201611021691 A CN201611021691 A CN 201611021691A CN 106532924 A CN106532924 A CN 106532924A
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- power
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- 238000004146 energy storage Methods 0.000 claims abstract description 50
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000010248 power generation Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 18
- 230000007812 deficiency Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 230000032258 transport Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/047—Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
-
- 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
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a power supply source of an electric vehicle charging station. An energy storage device and the charging station can be simultaneously provided with electricity by using a wind generator when a wind speed is relatively high; the wind generator can be assisted in power generation by using the energy storage device; and the wind generator transports generated power to the charging station through a wind power generation converter, thereby improving the utilization rate of weak wind. The generated power of new energy is collected by using the energy storage device, the acceptable capacity of the new energy is improved, and meanwhile, the impact on a power network when a lot of electric vehicles are simultaneously charged can be reduced and the electricity purchase cost of the charging station can be reduced. Recovery of the weak wind for power generation is achieved to improve the utilization rate of the new energy through three operation modes of the wind generator and auxiliary power of the energy storage device, and a relatively stable charging environment is provided for the electric vehicles through coordinative cooperation of the new energy and the energy storage device.
Description
Technical field
The present invention arranges a kind of electric automobile charging station power supply, and in particular to a kind of to utilize new power and energy storage device
For the device that electric automobile charging station is powered.
Background technology
Electric automobile is greatly developed as China's emerging strategic industries, and following scale electric automobile passes through electrical network
Directly charging can not effectively reduce carbon emission, to break away from or mitigating dependence of the electric automobile to fossil fuel, it is necessary to will be new
The energy organically combines the utilization rate for improving electric automobile clean energy resource with charging station, reduces carbon emission amount.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of energy-conserving and environment-protective, while improve wind energy profit
With rate, stable electric automobile charging station power supply.
For achieving the above object, the technical scheme of present invention offer is:A kind of electric automobile charging station power supply, it wraps
Include:Photovoltaic array, wind-driven generator, DC-DC converter, AC-DC converter, DC-AC converters, DC-DC converter, energy storage dress
Put, energy storage device power converter, it is characterised in that:Photovoltaic array is charged for energy storage device by DC-DC converter, and wind-force is sent out
Motor is charged for energy storage device by AC-DC converter, and, when electrical network tou power price is relatively low, charging station is sharp for electric automobile charging station
It is charging electric vehicle with electrical network electric energy, when electrical network tou power price is higher, energy storage device passes through energy storage device power converter
And/or wind power generation converter provides charging electric vehicle electric power for charging station.
Wind-driven generator includes:Fan blade, axle, rotor, the first stator, the second stator and wind speed detection device, the first stator,
Rotor, the second stator are cylindrical in shape, and multiple protuberances are provided with the first stator, and each protuberance is circumferentially symmetric and convex
Go out portion and be provided with stator winding, on rotor, be provided with multiple permanent magnets, permanent magnet is respectively on the outside of the first stator and the second stator
Inner side extends, and multiple protuberances are provided with the second stator, and each protuberance is circumferentially symmetric and protuberance is provided with fixed
Sub- winding, the second stator protuberance extend on the outside of rotor;Root diameter is more than the first stator diameter, straight less than the second stator
Footpath;Fan blade drives rotating shaft of wind generator to rotate, and rotor driven is rotated and produces revolving electro-motive force.
When the rotating speed that wind speed detection device detects rotor exceedes Rated motor rotating speed, wind-driven generator switches to first
The work of kind of the method for operation, now, the second stator and rotor composition generator are that energy storage device charges, meanwhile, the first stator and turn
Son composition generator is powered for charging station, when the electric power deficiency that wind-driven generator is provided thinks that whole electric automobiles fill in charging station
When electric, powered for charging station by energy storage device and wind-driven generator simultaneously, when the electric power that wind-driven generator is provided is enough to fill
In power station during whole charging electric vehicles, only powered for charging station by wind-driven generator.
When electrical network tou power price is higher and when wind speed detection device detect rotor rotating speed be less than Rated motor rotating speed when,
Wind-driven generator switches to second method of operation work, and now, the second stator is powered by energy storage device and constitute electronic with rotor
Machine, rotor driven rotation, lifts the rotating speed of rotor, meanwhile, the first stator and rotor composition generator are powered for charging station, work as wind
When the electric power deficiency that power generator is provided thinks whole charging electric vehicles in charging station, by energy storage device and wind-driven generator
Simultaneously power for charging station, when the electric power that wind-driven generator is provided be enough to for whole charging electric vehicles in charging station when, only by
Wind-driven generator is powered for charging station.
When the rotating speed that wind speed detection device detects rotor is close to Rated motor rotating speed, wind-driven generator switches to the 3rd
Method of operation work is planted, now, generator is constituted by the first stator and rotor only and is powered for charging station, when wind-driven generator is provided
Electric power deficiency when thinking in charging station whole charging electric vehicles, be charging station simultaneously by energy storage device and wind-driven generator
Power supply, when the electric power that wind-driven generator is provided be enough to for whole charging electric vehicle in charging station when, only by wind-driven generator be
Charging station is powered.
The wind power generator rotor includes two pairs of permanent magnets, on the first stator comprising four symmetrically arranged stators around
Group, each stator winding are wrapped on the protuberance on the first stator, on the second stator comprising four symmetrically arranged stators around
Group, each stator winding are wrapped on the protuberance on the second stator.
The wind power generator rotor includes three pairs of permanent magnets, on the first stator comprising six symmetrically arranged stators around
Group, each stator winding are wrapped on the protuberance on the first stator, on the second stator comprising six symmetrically arranged stators around
Group, each stator winding are wrapped on the protuberance on the second stator.
Power supply also includes:Controller, first switch, second switch, the 3rd switch, the 4th switch, the 5th switch, electricity
Hold residual capacity measurement device and sunlight intensity harvester;Controller detects wind speed by wind speed detection device, according to blower fan
Rotating speed the running status of wind-driven generator is set to into three kinds of operational modes, and first switch and the are controlled according to operational mode
Two switches cut-off or close, and detect sunlight intensity by sunlight intensity harvester, by the 4th switch of controller control
Cut-off or close;The convert alternating current that wind-driven generator is produced by AC-DC converter supplies electricity to energy storage device charging for direct current;Inversion
The DC power conversion that electric capacity is exported by device supplies electricity to wind-driven generator for exchange and powers;Wind-force is sent out on schedule by wind-power electricity generation than Ah slave
The alternating current of motor output is converted to the rated operational voltage of charging station;Photovoltaic array output voltage is boosted by DC-DC converter
Charge for energy storage device afterwards.
First switch and second switch adopt triple-pole switch, using chain control mode, when first switch is closed, the
Two switch off, and when second switch is closed, first switch disconnects, it is ensured that rotor and the second stator are only operated in a kind of state,
Or as motoring, or make operation state of generator.
First switch is connected with controller, is opened or closed according to the instruction of controller, the U phases first end of first switch with
The U phase output terminals of the second stator winding are connected, and the V phases first end of first switch is connected with the V phase output terminals of the second stator winding,
The W phases first end of first switch is connected with the W phase output terminals of the second stator winding, second end of U phases of first switch, V phases second
The input of end and the second end of W phases phase corresponding with fairing respectively is connected.
Implement the charging station power supply of the present invention, have the advantages that, the new energy of electric energy is collected using energy storage device
Source generation power, lifts the receiving ability of new forms of energy, while a large amount of electric automobiles can be reduced while the impact charged to electrical network
And charging station electricity charge acquisition cost can be reduced;By the three of wind-driven generator kinds of operational modes, by the auxiliary of energy storage device
Power, realizes reclaiming that weak wind generating, to improve the utilization rate of new forms of energy, is electronic by the cooperation of new forms of energy, energy storage device
Automobile provides relatively stable charging environment.
Description of the drawings
Fig. 1 is power-supply system configuration schematic diagram.
Fig. 2 is first embodiment schematic diagram.
Top views of the Fig. 3 for electric machine structure.
Specific embodiment
Fig. 1 is power-supply system configuration schematic diagram:Photovoltaic array 101, wind-driven generator 102, DC-DC converter 103, AC-
DC converters 104, DC-AC converters 105, energy storage device 106, energy storage device power converter 107, wind power generation converter
108th, electrical network 109 and charging station 110.Photovoltaic array is charged for energy storage device by DC-DC converter, and wind-driven generator passes through
AC-DC converter charges for energy storage device, and energy storage device power converter is reversible transducer, relatively low in electrical network tou power price
When, by reversible transducer by electrical network power storage to energy storage device, when electrical network tou power price is higher, deposited using energy storage device
The electric power of storage is powered for charging station, and charging station can be powered by electrical network, and energy storage device is powered, and wind-driven generator is powered, in electricity
When net tou power price is higher, wind-driven generator or energy storage device can be adopted to power for charging station, when the load of charging station it is higher
So that when wind-driven generator or energy storage device can not meet workload demand, wind-driven generator and energy storage device can be caused while
Power for charging station, when still can not meet demand, it is possible to use grid power is aided in.When wind speed is higher, it is possible to use wind-force
Generator is that energy storage device and charging station are powered simultaneously, when custom is relatively low, it is possible to use energy storage device aids in wind-driven generator
Generate electricity, wind-driven generator now can be delivered to charging station by wind power generation converter by generate electricity, it is possible thereby to improve weak wind
Utilization rate.
Fig. 2 is the first embodiment of the present invention:In the embodiment, power supply includes the first stator 201, the second stator 202, turns
Son 203, fan blade 204, axle 205, wind speed detection device 206, power conversion unit 207, first switch 208, second switch 209,
Inverter 210, fairing 211, residual capacity measurement device 212, switch 214, the DC/DC conversion of energy storage device the 213, the 4th
Device 215, photovoltaic cell 216, the switch 218, inverter 219 of sunlight intensity harvester the 217, the 5th, charging station 220, controller
221st, the 3rd switch 222 and the 6th switch 223, charging station 220 are connected with electrical network 224 by the 6th switch 223.
Fan blade is driven by natural wind and drives rotating shaft synchronous rotary, rotating shaft band rotor rotation to produce rotary electromagnetic field cutting first
Stator and the second stator produce induced electromotive force.When the rotating speed that wind speed detection device detects rotor exceedes Rated motor rotating speed
When, according to the detection signal, send control instruction closes first switch to controller, and on the second stator, winding is constituted with electric capacity and closed
Loop is closed, the electromotive force of sensing is converted into induced-current to capacitances to supply power.Meanwhile, the rotating magnetic potential produced on the second electronics winding
Suppress the rotation of rotor, reduce the rotating speed of rotor, the first stator and rotor composition generator pass through power conversion unit to charging
Stand and electric energy is provided.When the rotating speed that wind speed detection device detects rotor is less than Rated motor rotating speed, controller is according to the detection
Signal, sending control instruction closes second switch, and first switch disconnects, and on the second stator, winding is constituted with electric capacity and closed back
Road, electric capacity produce rotary electromagnetic field by inverter, and the electromagnetic field direction of rotation is identical with the direction of rotation of rotor, produce
Raw electromagnetic torque drive motor rotor rotation, lifts the rotating speed of rotor, and the first stator and rotor composition generator are become by power
Change unit electric energy is provided to charging station.When wind speed detection device detects the rotating speed of rotor close to Rated motor rotating speed, control
According to the detection signal, send control instruction disconnects first switch and second switch to device processed, now, only the first stator and turns
Son work, the first stator and rotor composition generator provide electric energy to charging station by power conversion unit.
Photovoltaic cell is converted solar energy into electrical energy, and is converted electrical energy into suitable energy storage device by DC/DC converters and is filled
The voltage of electricity, residual capacity measurement device moment monitor the dump energy of electric capacity, and dump energy information is sent to controller,
Sunlight intensity harvester real-time detection sunlight intensity is sent to controller, and controller is according to residual capacity measurement device and daylight
The information that intensity collection device sends, selects to exceed the minimum sunlight intensity threshold value that permission generates electricity, and remaining electricity in sunlight intensity
When amount is less than the 90% of its rated capacity, controller sends instruction the 4th switch of closure, and otherwise, the 4th switch is off.
When wind-driven generator breaks down, the DC inverter in electric capacity by inverter is by the 5th switch closure of controller control
Three-phase alternating current is powered for charging station.
First switch and second switch adopt triple-pole switch, using chain control mode, when first switch is closed, the
Two switch off, and when second switch is closed, first switch disconnects, it is ensured that rotor and the second stator are only operated in a kind of state,
Or as motoring, or make operation state of generator.First switch and second switch are connected with controller, according to
The instruction of controller is opened or closed, and the U phases first end of first switch is connected with the U phase output terminals of the second stator winding, and first
The V phases first end of switch is connected with the V phase output terminals of the second stator winding, the W phases first end of first switch and the second stator around
The W phase output terminals of group are connected, and second end of U phases of first switch, the second end of V phases and the second end of W phases are corresponding with fairing respectively
The input of phase is connected, and the U phases first end of second switch is connected with the U phase output terminals of the second stator winding, the V phases of second switch
First end is connected with the V phase output terminals of the second stator winding, and the W phases first end of second switch is defeated with the W phases of the second stator winding
Go out end to be connected, the input of second end of U phases of second switch, the second end of V phases and the second end of W phases phase corresponding with inverter respectively
It is connected.First stator, rotor, the second stator are cylindrical in shape, and multiple protuberances are provided with the first stator, and each protuberance is circumferentially
It is symmetric and protuberance is provided with stator winding, on rotor, be provided with multiple permanent magnets, permanent magnet is respectively to the first stator
Extend on the inside of outside and the second stator, on the second stator, be provided with multiple protuberances, each protuberance be circumferentially symmetric and
Protuberance is provided with stator winding, and the second stator protuberance extends on the outside of rotor.Root diameter is more than the first stator diameter, little
In the second stator diameter.Fan blade drives rotating shaft of wind generator to rotate, and rotor driven is rotated and produces revolving electro-motive force.
Top views of the Fig. 3 for electric machine structure, wherein the first stator 301, rotor 303, the second stator 302 are cylindrical in shape, and the
Multiple protuberances are provided with one stator, each protuberance is circumferentially symmetric and protuberance is provided with stator winding, rotor
On be provided with multiple permanent magnets, permanent magnet extends on the outside of the first stator and on the inside of the second stator respectively, arranges on the second stator
Have multiple protuberances, each protuberance is circumferentially symmetric and protuberance is provided with stator winding, the second stator protuberance to
Extend on the outside of rotor.Root diameter is more than the first stator diameter, less than the second stator diameter.Fan blade drives rotating shaft of wind generator
Rotate, rotor driven is rotated and produces revolving electro-motive force.
The invention is not restricted to the disclosed embodiments and accompanying drawing, it is intended to which covering falls into each of spirit and scope of the present invention
Plant change and deform.
Claims (10)
1. a kind of electric automobile charging station power supply, it includes:Photovoltaic array, wind-driven generator, DC-DC converter, AC-DC
Converter, DC-AC converters, DC-DC converter, energy storage device, wind power generation converter and energy storage device power converter, its
It is characterised by:Photovoltaic array is charged for energy storage device by DC-DC converter, and wind-driven generator is storage by AC-DC converter
Energy device charges, and when electrical network tou power price is relatively low, charging station is filled for electric automobile electric automobile charging station using electrical network electric energy
Electricity, when electrical network tou power price is higher, energy storage device passes through energy storage device power converter and/or wind power generation converter to fill
Power station provides charging electric vehicle electric power.
2. electric automobile charging station power supply according to claim 1, it is characterised in that:Wind-driven generator includes:Wind
Leaf, axle, rotor, the first stator, the second stator and wind speed detection device, the first stator, rotor, the second stator are cylindrical in shape, and the
Multiple protuberances are provided with one stator, each protuberance is circumferentially symmetric and protuberance is provided with stator winding, rotor
On be provided with multiple permanent magnets, permanent magnet extends on the outside of the first stator and on the inside of the second stator respectively, arranges on the second stator
Have multiple protuberances, each protuberance is circumferentially symmetric and protuberance is provided with stator winding, the second stator protuberance to
Extend on the outside of rotor;Root diameter is more than the first stator diameter, less than the second stator diameter;Fan blade drives rotating shaft of wind generator
Rotate, rotor driven is rotated and produces revolving electro-motive force.
3. electric automobile charging station power supply according to claim 1, it is characterised in that:When wind speed detection device is detected
When exceeding Rated motor rotating speed to the rotating speed of rotor, wind-driven generator switches to the first method of operation to work, and now, second is fixed
Son and rotor constitute generator and charge for energy storage device, meanwhile, the first stator and rotor composition generator are powered for charging station, when
When the electric power deficiency that wind-driven generator is provided thinks whole charging electric vehicles in charging station, by energy storage device and wind-power electricity generation
Machine is powered for charging station simultaneously, when the electric power that wind-driven generator is provided be enough to for whole charging electric vehicle in charging station when, only
Powered for charging station by wind-driven generator.
4. electric automobile charging station power supply according to claim 1, it is characterised in that:When electrical network tou power price it is higher
And when the rotating speed that wind speed detection device detects rotor is less than Rated motor rotating speed, wind-driven generator switches to second operation
Mode works, and now, the second stator is powered by energy storage device and constitute motor with rotor, and rotor driven rotation lifts rotor
Rotating speed, meanwhile, the first stator and rotor composition generator are powered for charging station, when the electric power deficiency that wind-driven generator is provided is thought
In charging station during whole charging electric vehicles, powered for charging station by energy storage device and wind-driven generator simultaneously, when wind-force is sent out
The electric power that motor is provided is enough to during whole charging electric vehicles, only to be powered for charging station by wind-driven generator in charging station.
5. electric automobile charging station power supply according to claim 1, it is characterised in that:When wind speed detection device is detected
When being close or equal to Rated motor rotating speed to the rotating speed of rotor, wind-driven generator switches to the third method of operation to work, now,
Only constitute generator by the first stator and rotor to power for charging station, when the electric power deficiency that wind-driven generator is provided thinks charging station
During interior whole charging electric vehicles, powered for charging station by energy storage device and wind-driven generator simultaneously, when wind-driven generator is carried
For electric power be enough to during whole charging electric vehicle, only to be powered for charging station by wind-driven generator in charging station.
6. electric automobile charging station power supply according to claim 2, it is characterised in that:The wind power generator rotor
Including two pairs of permanent magnets, four symmetrically arranged stator winding on the first stator, are included, it is fixed that each stator winding is wrapped in first
On protuberance on son, four symmetrically arranged stator winding on the second stator, are included, it is fixed that each stator winding is wrapped in second
On protuberance on son.
7. electric automobile charging station power supply according to claim 2, it is characterised in that:The wind power generator rotor
Including three pairs of permanent magnets, six symmetrically arranged stator winding on the first stator, are included, it is fixed that each stator winding is wrapped in first
On protuberance on son, six symmetrically arranged stator winding on the second stator, are included, it is fixed that each stator winding is wrapped in second
On protuberance on son.
8. electric automobile charging station power supply according to claim 1, it is characterised in that:Power supply also includes:Control
Device processed, first switch, second switch, the 3rd switch, the 4th switch, the 5th switch, electric capacity residual capacity measurement device and daylight
Intensity collection device;Controller detects wind speed by wind speed detection device, according to the rotating speed of blower fan by the operation of wind-driven generator
State is set to three kinds of operational modes, and controls cut-offfing or closing for first switch and second switch according to operational mode, and leads to
Cross sunlight intensity harvester detection sunlight intensity, cut-offfing or close by the 4th switch of controller control;AC-DC converter will
The convert alternating current that wind-driven generator is produced supplies electricity to energy storage device charging for direct current;Energy storage device is exported by DC-AC converters
DC power conversion supplies electricity to wind-driven generator for exchange and powers;The alternating current that wind-driven generator is exported is converted to and is filled by wind-driven generator
The rated operational voltage in power station;DC-DC converter will charge for energy storage device after the boosting of photovoltaic array output voltage.
9. electric automobile charging station power supply according to claim 8, it is characterised in that:First switch and second switch
Triple-pole switch is adopted, using chain control mode, when first switch is closed, second switch disconnects, when second switch is closed
When, first switch disconnects, it is ensured that rotor and the second stator are only operated in a kind of state, or as motoring, or make
Operation state of generator.
10. electric automobile charging station power supply according to claim 9, it is characterised in that:First switch and controller
It is connected, is opened or closed according to the instruction of controller, the U phases first end of first switch and the U phase output terminals of the second stator winding
It is connected, the V phases first end of first switch is connected with the V phase output terminals of the second stator winding, the W phases first end of first switch and the
The W phase output terminals of two stator winding are connected, second end of U phases of first switch, the second end of V phases and the second end of W phases respectively with rectification
The input of device correspondence phase is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611021691.9A CN106532924A (en) | 2016-11-21 | 2016-11-21 | Power supply source of electric vehicle charging station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611021691.9A CN106532924A (en) | 2016-11-21 | 2016-11-21 | Power supply source of electric vehicle charging station |
Publications (1)
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