CN104092236B - hybrid renewable energy and energy storage system power supply system and control method thereof - Google Patents
hybrid renewable energy and energy storage system power supply system and control method thereof Download PDFInfo
- Publication number
- CN104092236B CN104092236B CN201410260358.8A CN201410260358A CN104092236B CN 104092236 B CN104092236 B CN 104092236B CN 201410260358 A CN201410260358 A CN 201410260358A CN 104092236 B CN104092236 B CN 104092236B
- Authority
- CN
- China
- Prior art keywords
- power
- energy
- electric
- load
- supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000010248 power generation Methods 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims description 75
- 239000000446 fuel Substances 0.000 claims description 41
- ZSYNKHJUSDFTCQ-UHFFFAOYSA-N [Li].[Fe].P(O)(O)(O)=O Chemical compound [Li].[Fe].P(O)(O)(O)=O ZSYNKHJUSDFTCQ-UHFFFAOYSA-N 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 30
- 238000009825 accumulation Methods 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- RFGNMWINQUUNKG-UHFFFAOYSA-N iron phosphoric acid Chemical compound [Fe].OP(O)(O)=O RFGNMWINQUUNKG-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000012983 electrochemical energy storage Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 31
- 230000007812 deficiency Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A power supply system of hybrid renewable energy and energy storage system and a control method thereof are provided, wherein an electrochemical energy storage device and a mechanical energy storage device are integrated, and then a solar photovoltaic and wind power generation system is matched, and a combination network is carried out with commercial power. The AC/DC power is used in the control concept to preferentially supply AC/DC power to AC/DC loads, thereby reducing the conversion loss. The power supply system can make the residence, the base station or the machine room self-sufficient in power utilization, can be used for carrying out power transaction with a power company when being combined with a mains supply, can avoid power instantaneous interruption when power is cut off, and can also ensure certain power supply.
Description
Technical field
The present invention relates to micro-capacitance sensor technical applications, more particularly to a kind of mixed type renewable sources of energy are powered with energy-storage system
System and its control method, can combine iEN (Intelligent Energy Network) intelligent type energy saving service monitoring system
Energy management service is carried out, house, base station or computer room generating equipment can be applied to, be one of iEN future development technologies.
Background technology
Energy storage and energy supplying system in view of the integration natural energy resources of preceding case, the preceding case are applied to wind-force and turned with solar energy source
Change the energy storage and feed system of electric energy, heat energy and cold energy into, wind-force is with solar energy binomial natural energy resources except generation electric power storage
Deposit outer with supply, heat energy and cold energy, the cooling of supply air-conditioning and hot water demand are produced in the case where not needing extra power conditions, fully
Replace the equipment such as air-conditioner host and boiler using natural energy resources.But the preceding case can not in different periods (spike, from peak with stopping
Electricity) powered on demand with bidding price adjustment generating equipment (fuel cell, wind-power electricity generation, solar photoelectric, flying wheel battery, lithium Fe battery)
Sequentially, effectively ensure power supply reliability and reduce cost of electricity-generating；Corresponding properties electricity can not be provided for heterogeneity load is preferential
Power, such as direct current power preferentially is not supplied into DC load, be present.
As can be seen here, above-mentioned existing mode still has many missings, a real non-kindhearted design, and is urgently improved.
The content of the invention
Reach the mixed type renewable sources of energy and energy-storage system electric power system and its control method of foregoing invention purpose, refer to one kind
All kinds of energy-storage systems (fuel cell, lithium iron phosphoric acid cells, flying wheel battery) with regeneration energy resource system (send out by solar photoelectric and wind-force
Electricity) there is certain and limitation, due to energy-storage system and the inherent characteristic of the renewable sources of energy in itself, to enter to it
Row improves pays research and development and the cost in cost again, and the combination of a variety of energy-storage systems and the renewable sources of energy can just maximize favourable factors and minimize unfavourable ones,
The advantage of various devices is given full play to, the self-centered requirement of electricity consumption is realized, and can be with the extension device life-span.
This patent proposes mixed type energy-storage system and renewable sources of energy construction for electricity, is to integrate electric chemical formula energy storage device (lithium
Iron phosphoric acid cells and fuel cell) and mechanical energy storage device (flying wheel battery), then arrange in pairs or groups solar photoelectric and wind generator system,
And with civil power Jin Hang Merger nets, can be used as house, base station or computer room electric power system.
The mixed type renewable sources of energy of the present invention and energy-storage system electric power system, the wherein system are filled including mechanical energy storage
Put, be energy accumulation device for fly wheel, connect civil power and the device of energy storage is voluntarily operated according to the law of inertia, according to the emergency service of special case
Device, mixed type electric supply installation is the renewable sources of energy construction for electricity of connection with integrating electric chemical formula energy storage device, AC-DC conversion
Device, is connected with the mixed type electric supply installation, and is connected with alternating current-direct current load end, is provided according to the demand of the alternating current-direct current load end
Supplied by AC/DC electricity and control unit, receive the signal that the mixed type electric supply installation is loaded with the alternating current-direct current, and control monitors the friendship
Direct current supply degree, wherein, the mechanical energy storage device carries out operating energy storage, and the mixed type electric supply installation with low power mode
Judge that supplying the alterating and direct current comes from alternating current-direct current load end according to control unit by the AC/DC changeover switch.
The mixed type renewable sources of energy as described above and energy-storage system electric power system, wherein the renewable sources of energy construction for electricity is too
Sunlight electricity, wind-power electricity generation, fuel cell supply alternating current-direct current load, and the integration electric chemical formula energy storage device is flying wheel battery and lithium
Iron phosphoric acid cells, excrescent electric power is charged to the flying wheel battery with the lithium iron phosphoric acid cells, used as electric power backup.
Wherein the system is connected with Shi electricity Merger nets, power test and monitoring is carried out with Utilities Electric Co., to avoid electric power wink
It is disconnected, keep electrical power stabilization sustainable supply.
If meeting power failure period, the wind-power electricity generation, the solar photoelectric and the fuel cell-powered amount are loaded much smaller than alternating current-direct current
When being loaded needed for end, the control unit starts the flying wheel battery and is powered with the lithium iron phosphoric acid cells, and by inessential load
Removal is carried out, to extend the necessary load time of system supply.
The system is sequentially powered using the solar photoelectric, the wind-power electricity generation, the fuel cell and the civil power, and will be many
Remaining electric power charges to the flying wheel battery with the lithium iron phosphoric acid cells.
The mixed type renewable sources of energy of the present invention and energy-storage system method for controlling power supply, comprise the following steps：
1. civil power supply of electrical energy is stored up in mechanical energy storage device, the mechanical energy storage device for the flywheel of voluntarily operating energy storage
Energy device, and be connected with mixed type electric supply installation, by the AC/DC changeover switch and control unit being connected, judge and handed over
The supply and demand electrical energy demands at DC load end；
2. the civil power supplies power supply in the energy accumulation device for fly wheel, the energy accumulation device for fly wheel is made to carry out low-power coasting；
3. the AC/DC changeover switch judges the confession of the mixed type electric supply installation and the alternating current-direct current load end by control unit
Need balance；
4. when power supply is more than demand, by electrical power storage；
5. when demand is more than power supply, the mixed type electric supply installation sustainable supply power supply；And
6. power of alterating and direct current demand needed for the control unit judges, best friend's DC load is exported by AC/DC changeover switch
End.
The mixed type renewable sources of energy as described above and energy-storage system method for controlling power supply, wherein this method is in control concept
On, alternating current preferentially supplies AC load, and direct current preferentially supplies DC load, to reduce conversion consume.
The mixed type renewable sources of energy of the present invention and energy-storage system method for controlling power supply, wherein this method is when electricity consumption spike
Between, the energy source of the mixed type electric supply installation is sequentially filled using solar photoelectric, wind-power electricity generation and the integration electric chemical formula energy storage
The fuel cell put is powered with lithium iron phosphoric acid cells.
Compared to prior art or method, the utilization mixed type renewable sources of energy of the present invention and energy-storage system electric power system with
Shi electricity Merger nets, electricity profit can be carried out according to special circumstances and is allocated, and excrescent electric power storage can be sold back into Utilities Electric Co., reach energy-conservation and energy
Dominate the purpose needed for allotment electric power.
The mixed type renewable sources of energy and energy-storage system method for controlling power supply, wherein this method is in from peak period, the mixing
The energy source of type electric supply installation sequentially utilizes the fuel electricity of solar photoelectric, wind-power electricity generation and the integration electric chemical formula energy storage device
Pond is powered with civil power, and excrescent electric power is charged to the energy accumulation device for fly wheel battery with the lithium iron phosphoric acid cells.
The mixed type renewable sources of energy and energy-storage system method for controlling power supply, wherein this method, should when power failure or power-off
Energy accumulation device for fly wheel and the electric power produced by the lithium iron phosphoric acid cells, supply alternating current-direct current load using there is provided interruption immediately
Electric power.
The mixed type renewable sources of energy and energy-storage system method of supplying power to, wherein after after the system run all right, the mixed type
The energy source of electric supply installation sequentially utilizes the solar photoelectric, wind-power electricity generation and fuel cell supply load again.The present invention is carried
The mixed type renewable sources of energy of confession and energy-storage system electric power system and its control method, it is whole when being compared to each other with other prior arts
Close electric chemical formula energy-storage system (lithium iron phosphoric acid cells, fuel cell), mechanical energy storage system (flying wheel battery), solar photoelectric with
Wind generator system, and with civil power Jin Hang Merger nets, more for following advantages：
1. alternating current preferentially supplies AC load, and direct current preferentially supplies DC load, to reduce conversion consume.
2. the electricity consumption spike period electricity charge are more expensive, electric power bulk sale price is higher, and system is sequentially sent out using solar photoelectric, wind-force
Electricity, fuel cell and lithium iron phosphoric acid cells are powered, and electricity consumption can be with self-sufficient, and excrescent electric power can return to be sold to electric power public
Department, and persistently Fly wheel energy storage system is charged, used as electric power backup.
3. relatively inexpensive with the ionization peak period electricity charge, electric power bulk sale price is relatively low, and system is sequentially sent out using solar photoelectric, wind-force
Electricity, fuel cell and civil power are powered, and excrescent electric power is charged to flying wheel battery with lithium iron phosphoric acid cells.
4. have a power failure suddenly, flywheel and the electric power produced by lithium iron phosphoric acid cells can directly feed load and use, be used as electricity
There is provided the electric power that zero interrupts for the switching bridge that power is interrupted.After after system run all right, system sequentially utilizes solar photoelectric, wind-force
Generating, fuel cell supply load, and excrescent electric power is charged to flying wheel battery with lithium iron phosphoric acid cells, it is standby as electric power
Help and use.If power off time is long, when wind-power electricity generation, solar photoelectric, fuel cell power generation amount are much smaller than load, flywheel will be started
Battery is powered with lithium Fe battery, and inessential load is carried out into removal, and system need to maintain generated energy to be more than load capacity state,
To extend the necessary load time of supply.
Brief description of the drawings
Fig. 1 is the mixed type renewable sources of energy of the present invention and the Organization Chart of energy-storage system electric power system；
Fig. 2 is the mixed type renewable sources of energy of the present invention and the flow chart of energy-storage system method for controlling power supply；
Fig. 3 is the mixed type renewable sources of energy of the invention and the control flow of the spike period of energy-storage system method for controlling power supply
Fig. 1；
Fig. 4 is the mixed type renewable sources of energy of the invention and the control flow of the spike period of energy-storage system method for controlling power supply
Fig. 2；
Fig. 5 is the mixed type renewable sources of energy of the invention and the control flow of the spike period of energy-storage system method for controlling power supply
Fig. 3；
Fig. 6 is the mixed type renewable sources of energy of the invention and the control flow of the spike period of energy-storage system method for controlling power supply
Fig. 4；
Fig. 7 is the mixed type renewable sources of energy of the present invention and the control flow from the peak period of energy-storage system method for controlling power supply
Fig. 1；
Fig. 8 is the mixed type renewable sources of energy of the present invention and the control flow from the peak period of energy-storage system method for controlling power supply
Fig. 2；
Fig. 9 is the mixed type renewable sources of energy of the present invention and the control flow from the peak period of energy-storage system method for controlling power supply
Fig. 3；
Figure 10 is the mixed type renewable sources of energy of the invention and the controlling stream of the power failure period of energy-storage system method for controlling power supply
Journey Fig. 1；
Figure 11 is the mixed type renewable sources of energy of the invention and the controlling stream of the power failure period of energy-storage system method for controlling power supply
Journey Fig. 2；
Figure 12 is the mixed type renewable sources of energy of the invention and the controlling stream of the power failure period of energy-storage system method for controlling power supply
Journey Fig. 3.
Symbol description
10 civil powers
20 mechanical energy storage devices
21 energy accumulation device for fly wheel
30 mixed type electric supply installations
31 renewable sources of energy construction for electricities
311 solar photoelectrics
312 wind-power electricity generations
313 fuel cells
32 integrate electric chemical formula energy storage device
322 lithium iron phosphoric acid cells
40 AC/DC changeover switch
50 alternating current-direct currents are loaded
51 AC loads
511 necessary AC loads
52 DC loads
521 necessary DC loads
60 control units
50 alternating current-direct currents are loaded
51 exchanges
52 direct currents
60 control units
S11~S16 method flow diagrams
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and embodiment, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, but simultaneously
It is not used in the restriction present invention.
Hereinafter, with reference to accompanying drawing, the present invention is further described：
Organization Charts of the Fig. 1 for the mixed type renewable sources of energy of the invention and energy-storage system electric power system is referred to,
A kind of mixed type renewable sources of energy and energy-storage system electric power system, the wherein system at least include mechanical energy storage device
20, it can be energy accumulation device for fly wheel 21, connect civil power and the device of energy storage is voluntarily operated according to the law of inertia, according to the urgent of special case
Electric supply installation, coordinate actual demand and be adjusted, mixed type electric supply installation 30, be connection renewable sources of energy construction for electricity 31 with
Electric chemical formula energy storage device 32 is integrated, AC/DC changeover switch 40 is connected with the mixed type electric supply installation 30, and and alternating current-direct current
Load end 40 is connected, and supplied by AC/DC electricity and control unit are provided according to the demand of the alternating current-direct current load end, receives mixed type confession
The signal that electric installation 30 is loaded with the alternating current-direct current, control monitors the supplied by AC/DC electricity degree, wherein, the mechanical energy storage device 20
Operating energy storage is carried out with low power mode, and the mixed type electric supply installation 30 is sentenced by the AC/DC changeover switch 40 according to control unit
Cut-off comes from alternating current-direct current load end to the alterating and direct current.
It is the mixed type renewable sources of energy of the present invention and the flow chart of energy-storage system method for controlling power supply to refer to Fig. 2.
S11 civil powers supply of electrical energy is in mechanical energy storage device, and the mechanical energy storage device is the flywheel for voluntarily operating energy storage
Energy storage device, and be connected with mixed type electric supply installation, by the AC/DC changeover switch and control unit being connected, judge and carry out
The supply and demand electrical energy demands of alternating current-direct current load end；
The S12 civil powers supply power supply in the energy accumulation device for fly wheel, make the energy accumulation device for fly wheel carry out low-power coasting；
The S13 AC/DC changeover switch judges the confession of the mixed type electric supply installation and the alternating current-direct current load end by control unit
Need balance；
S14 is when power supply is more than demand, by electrical power storage；
S15 is when demand is more than power supply, the mixed type electric supply installation sustainable supply power supply；
Power of alterating and direct current demand needed for the S16 control units judge, best friend's DC load is exported by AC/DC changeover switch
End.
Alternating current preferentially supplies AC load, and direct current preferentially supplies DC load, and according to different periods (during spike
Section, from the peak period, have a power failure the period), propose different control methods：
Refer to the mixed type renewable sources of energy and the control of the spike period of energy-storage system method for controlling power supply of the Fig. 3 for the present invention
Flow chart 1 processed, is comprised the steps of：
[1] electricity charge of spike period are more expensive, and electric power bulk sale price is higher, and system uses different controlling parties according to different situations
Method：
Control method 1：
When wind-power electricity generation 312 and the generated energy of solar photoelectric 311 are more than AC load 51 with DC load 52, wind-power electricity generation
312 preferential supply AC loads 51, and solar photoelectric 311 preferentially supplies DC load 52, if having the part of deficiency again by handing over
The interaction of direct current transducer 40 supply direct current or AC load.Then by remaining electricity, and fuel cell 313 and lithium iron phosphoric acid electricity
Electric energy produced by pond 322, which is returned, is sold to Utilities Electric Co..
Refer to the mixed type renewable sources of energy and the control of the spike period of energy-storage system method for controlling power supply of the Fig. 4 for the present invention
Flow chart 2 processed, is comprised the steps of：
Control method 2：
When wind-power electricity generation 312, solar photoelectric 311 and the generated energy of fuel cell 313 are more than AC load 51 and DC load
When 52, wind-power electricity generation 312 preferentially supplies AC load 51, and solar photoelectric 311, fuel cell 313 supply DC load successively
52, if having the part of deficiency again by the interaction of AC/DC changeover switch 40 supply direct current or AC load.Then by remaining electricity, with
And the electric energy produced by lithium iron phosphoric acid cells 322 returns and is sold to Utilities Electric Co..
Refer to the mixed type renewable sources of energy and the control of the spike period of energy-storage system method for controlling power supply of the Fig. 5 for the present invention
Flow chart 3 processed, is comprised the steps of：
Control method 3：
Exchanged when wind-power electricity generation 312, solar photoelectric 311, fuel cell 313 are more than with the generated energy of lithium iron phosphoric acid cells 322
Load 51 with DC load 52 when, wind-power electricity generation 312 preferentially supply AC load 51, and solar photoelectric 311, fuel cell 313,
Lithium iron phosphoric acid cells 322 sequentially supply DC load 52, are supplied if the part for having deficiency is interacted by AC/DC changeover switch 40 again
Direct current or AC load, and dump energy time is sold to Utilities Electric Co..
Refer to the mixed type renewable sources of energy and the control of the spike period of energy-storage system method for controlling power supply of the Fig. 6 for the present invention
Flow chart 4 processed, is comprised the steps of：
Control method 4：
Exchanged when wind-power electricity generation 312, solar photoelectric 311, fuel cell 313 are less than with the generated energy of lithium iron phosphoric acid cells 322
Load 51 with DC load 52 when, wind-power electricity generation 312 preferentially supply AC load 51, and solar photoelectric 311, fuel cell 313,
Lithium iron phosphoric acid cells 322 sequentially supply DC load 52, are supplied if the part for having deficiency is interacted by AC/DC changeover switch 40 again
Direct current or AC load, not enough electric power are then provided by civil power 10.
It is the mixed type renewable sources of energy of the present invention and the control from the peak period of energy-storage system method for controlling power supply to refer to Fig. 7
Flow chart 1 processed, is comprised the steps of：
[2] from the peak period
Relatively inexpensive from the peak period electricity charge, electric power bulk sale price is relatively low, and system uses different control methods according to different situations：
Control method 1：
When wind-power electricity generation 312 and the generated energy of solar photoelectric 311 are more than AC load 51 with DC load 52, wind-power electricity generation
312 preferential supply AC loads 51, solar photoelectric 311 preferentially supplies DC load 52, if there is the part of deficiency straight by handing over again
The interaction of stream transformer 40 supply direct current or AC load, and unnecessary electric power is entered to flying wheel battery with lithium iron phosphoric acid cells 322
Row charging, is used as electric power backup, and fuel cell 313 does not start.
It is the mixed type renewable sources of energy of the present invention and the control from the peak period of energy-storage system method for controlling power supply to refer to Fig. 8
Flow chart 2 processed, is comprised the steps of：
Control method 2：
When wind-power electricity generation 312, solar photoelectric 311 and the generated energy of fuel cell 313 are more than AC load 51 and DC load
When 52, wind-power electricity generation 312 preferentially supplies AC load 51, and solar photoelectric 311, fuel cell 313 supply DC load successively
52, it is self-sufficient using electric power if the part for having deficiency supplies direct current or AC load by the interaction of AC/DC changeover switch 40 again,
And excrescent electric power can be charged to flying wheel battery with lithium iron phosphoric acid cells 322, used as electric power backup.
It is the mixed type renewable sources of energy of the present invention and the control from the peak period of energy-storage system method for controlling power supply to refer to Fig. 9
Flow chart 3 processed, is comprised the steps of：
Control method 3：
When wind-power electricity generation 312, solar photoelectric 311, the generated energy of fuel cell 313 are less than AC load 51 and DC load 52
When, wind-power electricity generation 312 preferentially supplies AC load 51, and solar photoelectric 311, fuel cell 313 sequentially supply DC load 52,
And by the interaction of AC/DC changeover switch 40 supply direct current or AC load, electric hypodynamic part is then provided by civil power 10, flywheel
Battery does not start with lithium iron phosphoric acid cells 322 to be used as electric power backup.
Refer to the mixed type renewable sources of energy and the power failure period of energy-storage system method for controlling power supply of the Figure 10 for the present invention
Control flow Fig. 1, is comprised the steps of：
[3] have a power failure the period
When having a power failure suddenly, to avoid electric power hit, system adopts following control method：
Control method 1：
The switching bridge that flying wheel battery and lithium Fe battery 322 are interrupted suddenly as electric power, provides load electric at once, with up to
The target interrupted to electric power zero, solar photoelectric 311, wind-power electricity generation 312, fuel cell 313 supply load successively again, and pass through and hand over
The interaction of direct current transducer 40 supply direct current or AC load.
Refer to the mixed type renewable sources of energy and the power failure period of energy-storage system method for controlling power supply of the Figure 11 for the present invention
Control flow Fig. 2, is comprised the steps of：
After the stabilization that has a power failure, system uses different control methods according to different situations again：
Control method 2：
When wind-power electricity generation 312, solar photoelectric 311, the generated energy of fuel cell 313 are more than AC load 51 and DC load 52
When, wind-power electricity generation 312 preferentially supplies AC load 51, and solar photoelectric 311, fuel cell 313 supply DC load 52 successively,
If there is the part of deficiency again by the interaction of AC/DC changeover switch 40 supply direct current or AC load, and by excrescent electric power to flywheel electricity
Pond is charged with lithium iron phosphoric acid cells 322, is used as electric power backup.
Refer to the mixed type renewable sources of energy and the power failure period of energy-storage system method for controlling power supply of the Figure 12 for the present invention
Control flow Fig. 3, is comprised the steps of：
Control method 3：
Power off time is long, when wind-power electricity generation 312, solar photoelectric 311, the generated energy of fuel cell 313 are less than load, starts
Flying wheel battery is powered with lithium iron phosphoric acid cells 322, and inessential DC load 521 is carried out with necessary AC load 511
Removal, system maintains generated energy to be more than load capacity state, to extend the necessary load time of system supply.
It is above-listed detailed description be for the present invention possible embodiments be specifically described, only the embodiment and be not used to limit
The scope of the claims of the present invention is made, all equivalence enforcements or change without departing from carried out by skill spirit of the present invention are intended to be limited solely by this case
The scope of the claims in.
Claims (4)
1. the electric power system that a kind of mixed type renewable sources of energy are constituted with energy-storage system, it is characterised in that the electric power system includes：
Mechanical energy storage device, is energy accumulation device for fly wheel, connects civil power and the device of energy storage is voluntarily operated according to the law of inertia, according to spy
The emergency service device of different situation, special case is long for power failure and power off time suddenly；
Mixed type electric supply installation, is that the renewable sources of energy construction for electricity of connection is supplied with integrating electric chemical formula energy storage device, the renewable sources of energy
Electric framework is solar photoelectric, wind-power electricity generation, and it is fuel cell and lithium iron phosphoric acid cells to integrate electric chemical formula energy storage device；
AC/DC changeover switch, is connected with the mixed type electric supply installation, and is connected with alternating current-direct current load end, negative according to the alternating current-direct current
The demand for carrying end provides supplied by AC/DC electricity；And
Control unit, receives the signal that the mixed type electric supply installation is loaded with the alternating current-direct current, and control monitors the supplied by AC/DC electricity journey
Degree；
Wherein, the mechanical energy storage device carries out operating energy storage with low power mode, and the mixed type electric supply installation passes through the friendship
Direct current transducer judges that supply alterating and direct current comes from alternating current-direct current load end according to control unit；
In the electricity consumption spike period, the electric power system sequentially utilizes solar photoelectric, wind-power electricity generation, fuel cell and lithium iron phosphoric acid cells
It is powered；
With the peak period is ionized, the electric power system sequentially utilizes the solar photoelectric, the wind-power electricity generation, the fuel cell and the civil power
It is powered, and excrescent electric power is charged to the energy accumulation device for fly wheel with the lithium iron phosphoric acid cells；
When having a power failure, the electric power system provides the electric power interrupted using the energy accumulation device for fly wheel with the lithium iron phosphoric acid cells, waits to supply
After electric system is stable, electric power system sequentially utilizes solar photoelectric, wind-power electricity generation, fuel cell supply load, and will be unnecessary
Electric power charges to energy accumulation device for fly wheel with lithium iron phosphoric acid cells, if power off time is long, the wind-power electricity generation, the solar photoelectric
With the fuel cell-powered amount be much smaller than alternating current-direct current load end needed for load when, the control unit start the energy accumulation device for fly wheel with
The lithium iron phosphoric acid cells are powered, and inessential load is carried out into removal, to extend during electric power system supply necessity load
Between.
2. the electric power system that the mixed type renewable sources of energy according to claim 1 are constituted with energy-storage system, it is characterised in that should
Electric power system and the grid-connected connection of civil power, power test and monitoring are carried out with Utilities Electric Co..
3. a kind of control method for the electric power system that mixed type renewable sources of energy are constituted with energy-storage system, it is characterised in that step bag
Include：
A. civil power supply of electrical energy is in mechanical energy storage device, and the mechanical energy storage device fills for the flywheel energy storage of voluntarily operating energy storage
Put, and be connected with mixed type electric supply installation, by the AC/DC changeover switch and control unit being connected, judge and carry out alternating current-direct current
The supply and demand electrical energy demands of load end；Mixed type electric supply installation is the renewable sources of energy construction for electricity of connection with integrating electric chemical formula storage
Energy device, renewable sources of energy construction for electricity is solar photoelectric, wind-power electricity generation, and it is fuel cell and lithium to integrate electric chemical formula energy storage device
Iron phosphoric acid cells；
B. the civil power supplies power supply in the energy accumulation device for fly wheel, makes the energy accumulation device for fly wheel carry out low-power coasting；
C. the AC/DC changeover switch judges that the supply and demand of the mixed type electric supply installation and the alternating current-direct current load end is put down by control unit
Weighing apparatus；
D. when power supply is more than demand, by electrical power storage；
E. when demand is more than power supply, the mixed type electric supply installation sustainable supply power supply；And
F. power of alterating and direct current demand needed for the control unit judges, best friend's DC load end is exported by AC/DC changeover switch；
This method sequentially utilizes solar photoelectric, wind-power electricity generation in electricity consumption peak hour, the energy source of the mixed type electric supply installation
It is powered with the fuel cell of integration electric chemical formula energy storage device with lithium iron phosphoric acid cells；
This method is in from the peak period, and the energy source of the mixed type electric supply installation is sequentially using solar photoelectric, wind-power electricity generation with being somebody's turn to do
The fuel cell for integrating electric chemical formula energy storage device is powered with civil power, and by excrescent electric power is to the energy accumulation device for fly wheel and is somebody's turn to do
Lithium iron phosphoric acid cells are charged；
This method is when power failure or power-off, and the energy accumulation device for fly wheel and the electric power produced by the lithium iron phosphoric acid cells are supplied immediately
Alternating current-direct current load is using there is provided the electric power of interruption；After the electric power system is stable, the electric energy of the mixed type electric supply installation
Source sequentially utilizes the solar photoelectric, wind-power electricity generation and fuel cell supply load again, and excrescent electric power is filled to flywheel energy storage
Put and charged with lithium iron phosphoric acid cells；If power off time is long, wind-power electricity generation, solar photoelectric, fuel cell power generation amount are far small
When load, energy accumulation device for fly wheel will be started and be powered with lithium iron phosphoric acid cells, and inessential load is subjected to removal.
4. the control method for the electric power system that the mixed type renewable sources of energy according to claim 3 are constituted with energy-storage system, its
It is characterised by, this method is in control concept, and alternating current preferentially supplies AC load, and direct current preferentially supplies DC load.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102135475 | 2013-10-01 | ||
| TW102135475A TWI524630B (en) | 2013-10-01 | 2013-10-01 | Hybrid system for regenerative energy supply and energy storage device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104092236A CN104092236A (en) | 2014-10-08 |
| CN104092236B true CN104092236B (en) | 2017-08-22 |
Family
ID=51639928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410260358.8A Expired - Fee Related CN104092236B (en) | 2013-10-01 | 2014-06-12 | hybrid renewable energy and energy storage system power supply system and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104092236B (en) |
| TW (1) | TWI524630B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI575836B (en) * | 2015-08-18 | 2017-03-21 | zhong-yao Xu | Power supply storage management method |
| CN105391079A (en) * | 2015-10-20 | 2016-03-09 | 株洲变流技术国家工程研究中心有限公司 | Power transfer type balanced power supply system and method based on new energy interconnection |
| PL3182554T3 (en) | 2015-12-15 | 2020-11-16 | Ml System Spółka Akcyjna | A system for converting distributed renewable energy into usable energy |
| CN107082052B (en) * | 2017-04-11 | 2020-07-10 | 中车青岛四方机车车辆股份有限公司 | Switching method, device and system for power supply of auxiliary power utilization system of railway vehicle |
| CN110435827A (en) * | 2018-05-04 | 2019-11-12 | 沙鸣雄 | Moving carrier waterborne and its operational method |
| CN109149609A (en) * | 2018-08-29 | 2019-01-04 | 微控物理储能研究开发（深圳）有限公司 | A kind of user side electric power dynamic compatibilization system and its control method |
| CN109936215B (en) * | 2019-03-27 | 2020-08-18 | 沈阳微控新能源技术有限公司 | Uninterrupted power supply system of magnetic suspension flywheel energy storage device |
| CN110445160A (en) * | 2019-08-08 | 2019-11-12 | 珠海格力电器股份有限公司 | Power distribution control system |
| TWI711999B (en) * | 2019-10-07 | 2020-12-01 | 國立成功大學 | Method of hybrid power management and system of hybrid power management |
| CN111106667B (en) * | 2019-12-19 | 2022-03-29 | 华为数字能源技术有限公司 | Power supply device and power supply system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470092A (en) * | 2000-09-07 | 2004-01-21 | ֱ | Island network and method for operation of an island network |
| CN101436778A (en) * | 2008-12-12 | 2009-05-20 | 华南理工大学 | Networking method for minitype electric network |
| CN102005817A (en) * | 2010-09-25 | 2011-04-06 | 中国农业大学 | Uninterruptible power supply device based on microgrid and dispatching control method thereof |
| CN201947047U (en) * | 2010-12-30 | 2011-08-24 | 比亚迪股份有限公司 | Power supply system for power grid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003339118A (en) * | 2002-05-22 | 2003-11-28 | My Way Giken Kk | Distributed power supply system |
| DE102004016034A1 (en) * | 2004-03-30 | 2005-10-20 | Alstom Technology Ltd Baden | Electrical system for coupling a power supply network and a central DC voltage line and method for operating such a system |
-
2013
- 2013-10-01 TW TW102135475A patent/TWI524630B/en not_active IP Right Cessation
-
2014
- 2014-06-12 CN CN201410260358.8A patent/CN104092236B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470092A (en) * | 2000-09-07 | 2004-01-21 | ֱ | Island network and method for operation of an island network |
| CN101436778A (en) * | 2008-12-12 | 2009-05-20 | 华南理工大学 | Networking method for minitype electric network |
| CN102005817A (en) * | 2010-09-25 | 2011-04-06 | 中国农业大学 | Uninterruptible power supply device based on microgrid and dispatching control method thereof |
| CN201947047U (en) * | 2010-12-30 | 2011-08-24 | 比亚迪股份有限公司 | Power supply system for power grid |
Non-Patent Citations (2)
| Title |
|---|
| 风光复合发电系统中储能单元的容量优化设计;程苗苗等;《电气应用》;20060619(第06期);第87页-第90页 * |
| 飞轮储能电池在并网型风力发电系统中的应用;陈习坤等;《机械与电子》;20050325(第03期);第26页-第28页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201515363A (en) | 2015-04-16 |
| TWI524630B (en) | 2016-03-01 |
| CN104092236A (en) | 2014-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104092236B (en) | hybrid renewable energy and energy storage system power supply system and control method thereof | |
| Chen et al. | Design and implementation of energy management system with fuzzy control for DC microgrid systems | |
| CN103178553B (en) | A kind of family expenses mixed power supply system | |
| US9124099B2 (en) | Storage battery system | |
| US9608451B2 (en) | Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle | |
| CN102361328B (en) | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power | |
| TWI524618B (en) | Power management apparatus and method of controlling the same | |
| CN111497670B (en) | Charging device, system and method | |
| CN104052082A (en) | Off-grid and grid-connected operation light and storage joint power supply system | |
| WO2013015256A1 (en) | Power management system and management method | |
| CN103208852A (en) | Green energy source data center system | |
| CN103683467B (en) | A kind of independent photovoltaic electric power system with self-starting function | |
| CN104795881A (en) | Wind-light complementary power supply controller, microgrid system and microgrid system power supply method | |
| CN103378631B (en) | Charging device, control method of the charging device, electric-powered vehicle, energy storage device and power system | |
| CN203014394U (en) | Household photovoltaic multifunctional intelligent power station | |
| CN204835684U (en) | Mix energy storage power conversion equipment | |
| CN110518628A (en) | A kind of garden electric energy optimization device and its working method | |
| CN201966662U (en) | Solar household power generation system | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN103840548B (en) | A kind of transformer substation system with micro-grid system | |
| JP5952065B2 (en) | Regional power supply system | |
| CN202602351U (en) | Time sharing power supply energy storage system for residence | |
| CN212627214U (en) | Power management system for unattended bayonet and unattended bayonet | |
| CN204559220U (en) | Wind light mutual complementing power-supply controller and micro-grid system | |
| CN203205964U (en) | Green energy data center system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |