CN206097646U - A real device of instructing of intelligent microgrid for teaching - Google Patents
A real device of instructing of intelligent microgrid for teaching Download PDFInfo
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- CN206097646U CN206097646U CN201620773549.9U CN201620773549U CN206097646U CN 206097646 U CN206097646 U CN 206097646U CN 201620773549 U CN201620773549 U CN 201620773549U CN 206097646 U CN206097646 U CN 206097646U
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- current transformer
- hydrogen
- power generation
- side current
- wind power
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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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- 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
Abstract
The utility model discloses a real device of instructing of intelligent microgrid for teaching belongs to the real technical field that instructs of teaching. The utility model discloses a photovoltaic power generation, wind power generation and the multiple and network source of hydrogen fuel electricity generation, the lower photovoltaic of normal condition, wind power generation's energy feed -in electric wire netting will generate electricity the electric energy storage that produces in storage battery, in case power system blackouts, two -way energy storage converter is started working, props up the operation of propping up whole microgrid. The energy of usable photovoltaic, wind -force or electric wire netting makes the hydrogen generator brineelectrolysis at leisure, generates hydrogen storage, is used for starting the fuel cell power supply when needs. And wind power generation set simulates wind -force through simulation wind power generation controller control simulation wind power generation set and generates electricity, through with electric energy feed -in electric wire netting after machine side converter and the grid -side converter unsteady flow, is difficult for receiving external environment to influence.
Description
Technical field
The utility model is related to a kind of intelligent micro-grid actual training device for teaching, belongs to teaching training apparatus technology neck
Domain.
Background technology
At present, it is using the intelligence for teaching when many schools and scientific research institutions carry out Learning Studies to micro-grid system
Microgrid actual training device carries out Learning Studies.At present grid-connected variety of energy sources is less in microgrid actual training device, typically only has photovoltaic to send out
The grid-connected and wind power-generating grid-connected two ways of electricity, and the synchronizing mode of wind-power electricity generation is affected larger by external environment, no
Can timely put into and exit according to the requirement of user, for school and this class academic and research institutions of scientific research institutions come
Say, they need to obtain various data, and need system to possess certain expansion interface and extended capability, and traditional microgrid
System is the system of an independent closing, and after setting up and putting into operation, the composition and working method of micro-grid system is with regard to phase
To fixed and enclose, control mode is more stiff, and user can not be according to the corresponding data message of the Requirement Acquisition of oneself, together
When do not possess secondary extended capability yet.
At this stage, when many schools and scientific research institutions carry out Learning Studies to micro-grid system, micro-grid system is needed to accommodate
More variety of energy sources, abundant extension and analog capability, and the grid-connected process of these grid-connected energy can be monitored and controlled.Such as
It is upper described, it is clear that traditional micro-grid system can not be well adapted in school or this class Learning Studies type machine of scientific research institutions
The use of structure.Therefore it is badly in need of a kind of intelligent micro-grid actual training device for meeting teaching demand.
The meaning of the application is the function of not only having traditional micro-capacitance sensor concurrently, work steady in a long-term after being connected with electrical network,
Most important meaning, it is an experiment porch, abundant extension, and analog capability can be provided, for school and scientific research institutions
Obtain the data for needing.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of intelligent micro-grid for teaching
Actual training device, solves the technical problem that grid-connected variety of energy sources is few and wind-power electricity generation is affected by environment in prior art.
To solve above-mentioned technical problem, the utility model provides a kind of intelligent micro-grid actual training device for teaching, its
It is characterized in that, including the photovoltaic power generation apparatus, wind power generation plant and hydrogen fuel device that are connected to the grid, photovoltaic power generation apparatus are included too
Positive energy cell panel and the photovoltaic combining inverter being connected with solar panel, wind power generation plant includes the simulation being sequentially connected in series
Wind power generation plant, pusher side current transformer and net side current transformer, pusher side current transformer and net side current transformer are also connected with simulation wind simultaneously
Power electricity generating controller, hydrogen fuel device includes hydrogen fuel cell and the hydrogen fuel combining inverter being sequentially connected in series, grid-connected inverse
The output end for becoming device, net side current transformer and hydrogen fuel combining inverter is respectively incorporated into electrical network, also including the storage being connected across on electrical network
Battery energy storage device, batteries to store energy device includes the bidirectional energy-storage current transformer and batteries of connection, bidirectional energy-storage current transformer
Input connection electrical network, the photovoltaic combining inverter, net side current transformer, hydrogen fuel combining inverter and bidirectional energy-storage unsteady flow
Device is also respectively connected with communication manager measure and control device, and the communication manager measure and control device connects host computer.
Further, simulating wind power generation device includes three phase mains, frequency conversion asynchronous motor, frequency converter and doubly-fed generation
Machine, the input connection three phase mains of frequency converter, the output end of frequency converter connects the input of frequency conversion asynchronous motor, and frequency conversion is different
The output end of step motor connects the rotor-end of double-fed generator, the rotor-end of double-fed generator and stator terminal connection pusher side unsteady flow
The input connection three phase mains of device, net side current transformer and pusher side current transformer, frequency converter, net side current transformer and pusher side current transformer
Communication port is also connected with simulating wind power generation controller.
Further, frequency converter, net side current transformer and pusher side current transformer and simulating wind power generation controller are connected by
RS485 serial communication modes.
Further, the incremental encoder for measuring the real-time rotating speed of double-fed generator is also included, the increment type is compiled
Code device connection pusher side current transformer.
Further, voltage-current sensor and temperature sensor, institute are provided with inside pusher side current transformer and net side current transformer
State the output end connection simulation wind power generation controller of voltage-current sensor and temperature sensor.
Further, the hydrogen fuel cell includes hydrogen generator, hydrogen cylinder and the hydrogen being interconnected by triple valve
Fuel cell pack, has also been sequentially communicated stop valve two, pressure-reducing valve two and stop valve one, hydrogen fuel electricity between hydrogen cylinder and triple valve
The connectivity port of Chi Dui include hydrogen inlet, air intlet, positive and negative terminal, wherein hydrogen inlet be sequentially communicated magnetic valve two,
Pressure-reducing valve one and the triple valve, air intlet is communicated with magnetic valve one, and the positive and negative terminal of h2 fuel cell stack is also associated with hydrogen
Fuel cell controller, hydrogen fuel cell controller electrical connection magnetic valve one and magnetic valve two, hydrogen fuel cell controller also connects
The direct-current switch power supply for power supply is connected to, is incorporated to after the output end connection hydrogen fuel combining inverter of hydrogen fuel cell controller
Electrical network.
Further, the power input of the hydrogen generator is connected to provide the electrical network of power supply for it.
Further, the two ends of pressure-reducing valve two are provided with flowmeter.
Compared with prior art, the beneficial effect that the utility model is reached is:The utility model includes photovoltaic generation, wind
Various grid power sources that power generates electricity and hydrogen fuel generates electricity, under normal circumstances photovoltaic, the energy feed-in electrical network of wind-power electricity generation, will generate electricity
The electrical power storage of generation is in batteries, once grid power blackout, the start-up operation of bidirectional energy-storage current transformer, support whole microgrid
Operation.Idle can utilize the energy of photovoltaic, wind-force or electrical network to make hydrogen generator electrolysis water, generate hydrogen storage, need
When power for starting fluid battery.And wind power generation plant is defeated by simulating wind power generation controller remotely control frequency converter
Go out frequency to adjust the rotating speed of frequency conversion asynchronous motor, simulate different wind speed to drive double-fed generator to be generated electricity, make double-fed
Generator simulation is operated under different wind speed operating modes, double-fed generator operating output, by pusher side current transformer and net side current transformer
By electric energy feed-in electrical network after unsteady flow, it is difficult to be affected by the external environment.
Description of the drawings
Fig. 1 is the structural representation of the utility model experimental rig.
Fig. 2 is the principle schematic of the utility model wind power generation plant.
Fig. 3 is the principle schematic of the utility model hydrogen fuel power generator.
Reference:1st, magnetic valve one;2nd, magnetic valve two;3rd, pressure-reducing valve one;4th, triple valve;5 ~ 6, flowmeter;7th, end
Valve one;8th, pressure-reducing valve two;9th, stop valve two.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and protection domain of the present utility model can not be limited with this.
As shown in Figure 1 to Figure 3, a kind of intelligent micro-grid actual training device for teaching that the utility model is provided, its feature
It is that, including the photovoltaic power generation apparatus, wind power generation plant and hydrogen fuel device that are connected to the grid, photovoltaic power generation apparatus include solar energy
Cell panel and the photovoltaic combining inverter being connected with solar panel, wind power generation plant includes the simulation wind-force being sequentially connected in series
TRT, pusher side current transformer and net side current transformer, pusher side current transformer and net side current transformer are also connected with simulation wind-force and send out simultaneously
Electric controller, hydrogen fuel device includes the hydrogen fuel cell that is sequentially connected in series and hydrogen fuel combining inverter, photovoltaic combining inverter,
The output end of net side current transformer and hydrogen fuel combining inverter is respectively incorporated into electrical network, also including the battery storage being connected across on electrical network
Energy device, batteries to store energy device includes the bidirectional energy-storage current transformer and batteries of connection, the input of bidirectional energy-storage current transformer
End connection electrical network, the photovoltaic combining inverter, net side current transformer, hydrogen fuel combining inverter and bidirectional energy-storage current transformer also divide
Other connecting communication supervisor measure and control device, the communication manager measure and control device connects host computer.Wherein utilize solar cell
Plate belongs to prior art carrying out photovoltaic generation, using batteries to store intelligent micro-grid in electric energy belong to prior art,
Communication manager measure and control device belongs to the prior art of intelligent micro-grid technical field with host computer, and here is seldom illustrated.
The utility model includes that photovoltaic generation, wind-power electricity generation and hydrogen fuel generate electricity various grid power sources, under normal circumstances
The energy feed-in electrical network of photovoltaic, wind-power electricity generation, the electrical power storage for producing that will generate electricity is in batteries, once grid power blackout, double
Start working to energy accumulation current converter, support the operation of whole microgrid.Idle can utilize the energy of photovoltaic, wind-force or electrical network to make hydrogen
Gas generator electrolysis water, generates hydrogen storage, powers for starting fluid battery when needed.And wind power generation plant passes through
Simulating wind power generation controller control simulating wind power generation device is simulated wind-force to generate electricity, by pusher side current transformer and net side
By electric energy feed-in electrical network after current transformer unsteady flow, it is difficult to be affected by the external environment.
As preferred embodiment of the present utility model, as shown in Fig. 2 simulating wind power generation device includes three phase mains, becomes
Frequency asynchronous motor, frequency converter and double-fed generator, the input connection three phase mains of frequency converter, the output end connection of frequency converter
The input of frequency conversion asynchronous motor, the output end of frequency conversion asynchronous motor connects the rotor-end of double-fed generator, doubly-fed generation
The input connection three phase mains of the rotor-end of machine and stator terminal connection pusher side current transformer, net side current transformer and pusher side current transformer,
The communication port of frequency converter, net side current transformer and pusher side current transformer is also connected with simulating wind power generation controller.Wherein simulate wind-force to send out
Electric controller can be realized using single-chip microcomputer of the prior art or PC.The operation principle of wind power generation plant is, by simulation
Adjusting the rotating speed of frequency conversion asynchronous motor, the different wind speed of simulation come wind power generation controller remotely control frequency converter output frequency
Drive double-fed generator to be generated electricity, double-fed generator simulation is operated under different wind speed operating modes, double-fed generator operating is defeated
Go out, by electric energy feed-in electrical network after pusher side current transformer and net side current transformer unsteady flow.Wind power generation plant provides abundant simulation
Ability, for school and scientific research institutions the data for needing are obtained.
Further, frequency converter, net side current transformer and pusher side current transformer and simulating wind power generation controller are connected by
RS485 serial communication modes.Serial communication is stablized, and efficiency of transmission is high.
Further, the incremental encoder for measuring the real-time rotating speed of double-fed generator is also included, the increment type is compiled
Code device connection pusher side current transformer.Further, voltage-current sensor and temperature are provided with inside pusher side current transformer and net side current transformer
The output end connection simulation wind power generation controller of degree sensor, the voltage-current sensor and temperature sensor.Simulation wind
The rotating speed of power electricity generating controller collection double-fed generator, stator current, stator voltage, rotor current, rotor voltage form feedback,
Set the frequency of frequency converter, and then the rotating speed of regulation frequency conversion asynchronous motor i.e. according to collection information to change doubly-fed generation
The stator rotor side voltage of machine, electric current.
Further, the hydrogen fuel cell includes hydrogen generator, hydrogen cylinder and the hydrogen being interconnected by triple valve 4
Fuel cell pack, has also been sequentially communicated stop valve 29, pressure-reducing valve 28 and stop valve 1, hydrogen combustion between hydrogen cylinder and triple valve 4
The connectivity port of material battery pile includes hydrogen inlet, air intlet, positive and negative terminal, and wherein hydrogen inlet has been sequentially communicated electromagnetism
Valve 22, pressure-reducing valve 1 and the triple valve 4, air intlet is communicated with magnetic valve 1, the positive and negative terminal of h2 fuel cell stack
It is also associated with hydrogen fuel cell controller, hydrogen fuel cell controller electrical connection magnetic valve 1 and magnetic valve 22, hydrogen fuel electricity
Pool controller is also associated with the direct-current switch power supply for power supply, and the output end connection hydrogen fuel of hydrogen fuel cell controller is grid-connected
It is connected to the grid after inverter.
The operation principle that hydrogen fuel generates electricity is that the hydrogen that hydrogen generator is produced is stored in hydrogen cylinder through triple valve 4,
Be stored into it is a certain amount of, by pressure-reducing valve 1 and pressure-reducing valve 28 by hydrogen output to fuel cell, hydrogen input post fuel battery
Start working, by direct current Jing hydrogen fuel combining inverter feed-in electrical networks.Hydrogen fuel cell is to use " hydrogen " this chemistry unit
Element produces electric energy for raw material, and its general principle is the back reaction of electrolysis water, and hydrogen and oxygen are supplied respectively to negative electrode and anode, and hydrogen leads to
Cross after negative electrode reacts to external diffusion and electrolyte, ejected electron is loaded to up to anode by outside.Hydrogen generator can
Realized using electrolyte in prior art.
Further, the power input of the hydrogen generator is connected to provide the electrical network of power supply for it.Using light
The energy that volt, wind-force are connected to the grid makes hydrogen generator electrolysis water, hydrogen storage is generated, when needed for starting fluid battery
Power supply.Reasonable energy utilization, there is provided resource utilization.
Further, the two ends of pressure-reducing valve two are provided with flowmeter.Flow of the convenient observation into hydrogen cylinder.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model know-why, some improvement and deformation can also be made, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of intelligent micro-grid actual training device for teaching, is characterized in that, including the photovoltaic power generation apparatus, wind-force that are connected to the grid
TRT and hydrogen fuel device, photovoltaic power generation apparatus include solar panel and the photovoltaic that is connected with solar panel simultaneously
Net inverter, wind power generation plant includes simulating wind power generation device, pusher side current transformer and the net side current transformer being sequentially connected in series, machine
Side converter and net side current transformer are also connected with simulating wind power generation controller simultaneously, and hydrogen fuel device includes the hydrogen being sequentially connected in series
Fuel cell and hydrogen fuel combining inverter, the output of photovoltaic combining inverter, net side current transformer and hydrogen fuel combining inverter
End is respectively incorporated into electrical network, and also including the batteries to store energy device being connected across on electrical network, batteries to store energy device includes the double of connection
To energy accumulation current converter and batteries, the input connection electrical network of bidirectional energy-storage current transformer, the photovoltaic combining inverter, net side
Current transformer, hydrogen fuel combining inverter and bidirectional energy-storage current transformer are also respectively connected with communication manager measure and control device, the communication
Supervisor measure and control device connects host computer.
2. a kind of intelligent micro-grid actual training device for teaching according to claim 1, is characterized in that, simulating wind power generation
Device includes three phase mains, frequency conversion asynchronous motor, frequency converter and double-fed generator, the input connection three-phase electricity of frequency converter
Source, the output end of frequency converter connects the input of frequency conversion asynchronous motor, and the output end connection double-fed of frequency conversion asynchronous motor is sent out
The rotor-end of motor, the rotor-end of double-fed generator and stator terminal connection pusher side current transformer, net side current transformer and pusher side current transformer
Input connection three phase mains, the communication port of frequency converter, net side current transformer and pusher side current transformer is also connected with simulating wind power generation
Controller.
3. a kind of intelligent micro-grid actual training device for teaching according to claim 2, is characterized in that, frequency converter, net side
Current transformer and pusher side current transformer are connected by RS485 serial communication modes with simulating wind power generation controller.
4. a kind of intelligent micro-grid actual training device for teaching according to claim 1, is characterized in that, also include for surveying
The incremental encoder of the real-time rotating speed of amount double-fed generator, the incremental encoder connects pusher side current transformer.
5. it is according to claim 1 it is a kind of for teaching intelligent micro-grid actual training device, it is characterized in that, pusher side current transformer and
It is provided with voltage-current sensor and temperature sensor inside net side current transformer, the voltage-current sensor and temperature sensor
Output end connection simulation wind power generation controller.
6. a kind of intelligent micro-grid actual training device for teaching according to claim 1, is characterized in that, the hydrogen fuel electricity
Pond includes hydrogen generator, hydrogen cylinder and the h2 fuel cell stack being interconnected by triple valve, between hydrogen cylinder and triple valve
Stop valve two, pressure-reducing valve two and stop valve one are also sequentially communicated, the connectivity port of h2 fuel cell stack includes hydrogen inlet, sky
Gas import, positive and negative terminal, wherein hydrogen inlet have been sequentially communicated magnetic valve two, pressure-reducing valve one and the triple valve, air intlet
Magnetic valve one is communicated with, the positive and negative terminal of h2 fuel cell stack is also associated with hydrogen fuel cell controller, hydrogen fuel cell control
Device electrically connects magnetic valve one and magnetic valve two, and hydrogen fuel cell controller is also associated with the direct-current switch power supply for power supply, hydrogen
It is connected to the grid after the output end connection hydrogen fuel combining inverter of fuel cell controller.
7. a kind of intelligent micro-grid actual training device for teaching according to claim 6, is characterized in that, the hydrogen occurs
The power input of device is connected to provide the electrical network of power supply for it.
8. a kind of intelligent micro-grid actual training device for teaching according to claim 6, is characterized in that, the two of pressure-reducing valve two
End is provided with flowmeter.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110854917A (en) * | 2019-12-09 | 2020-02-28 | 中船重工(重庆)西南装备研究院有限公司 | Complementary energy supply integrated system based on clean energy |
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2016
- 2016-07-20 CN CN201620773549.9U patent/CN206097646U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110854917A (en) * | 2019-12-09 | 2020-02-28 | 中船重工(重庆)西南装备研究院有限公司 | Complementary energy supply integrated system based on clean energy |
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