CN106026164A - Photovoltaic power generation system with energy storage apparatus - Google Patents
Photovoltaic power generation system with energy storage apparatus Download PDFInfo
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- CN106026164A CN106026164A CN201610429848.5A CN201610429848A CN106026164A CN 106026164 A CN106026164 A CN 106026164A CN 201610429848 A CN201610429848 A CN 201610429848A CN 106026164 A CN106026164 A CN 106026164A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 80
- 238000010248 power generation Methods 0.000 title abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- H02J3/383—
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
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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
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a photovoltaic power generation system with an energy storage apparatus. The photovoltaic power generation system comprises a photovoltaic generator, a DC/DC converter, a filter capacitor, a DC/AC inverter, a bidirectional DC/AC converter, the energy storage apparatus and a controllable switch, wherein the photovoltaic generator is used for converting luminous energy into a low voltage direct current; the DC/DC converter is used for converting the low voltage direct current into a stable direct current voltage; the filter capacitor is used for filtering high-frequency noise; the DC/AC inverter is used for converting the stable direct current voltage into alternating current mains supply to supply to a load and the controllable switch; the bidirectional DC/AC converter is used for converting the alternating current mains supply output by the DC/AC inverter into direct current voltage to charge the energy storage apparatus when the photovoltaic power generation is sufficient, and converting the electric energy stored by the energy storage apparatus into the alternating current mains supply which is required by the load when the photovoltaic power generation is insufficient; the energy storage apparatus is used for storing the redundant electric energy when the photovoltaic power generation is sufficient; and the controllable switch is used for switching on or switching off the mains supply network under the control of a control system. By adoption of the photovoltaic power generation system, the electric energy can be stored and released according to plans, so that the purpose of smoothening the grid-connection power is fulfilled.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation, particularly relate to a kind of photovoltaic generation with energy storage device
System.
Background technology
Along with the development of science and technology, the use of renewable and clean energy resource is more and more extensive, and photovoltaic power generation technology is subject to
Attention to numerous researchers.The fast development of photovoltaic industry, the generated energy of photovoltaic power plant is also gradually increased,
During grid-connected, the impact on electrical network is also gradually increased.Owing to the peak power of photovoltaic module output is
Being determined by intensity of sunshine, therefore power of its output has bigger undulatory property and a randomness, and this with
Uncontrollable characteristic of machine, it is possible to electrical network is caused bigger impact, it is also possible to some important loads are transported
Row causes negative impact.Energy storage device then can make up this shortcoming of photovoltaic generation, to photo-voltaic power supply
Output carries out peak load shifting, the suppression of flat ripple.Energy storage device has a range of power adjustments effect,
When generated energy is more than power consumption, remaining electric energy charges to energy storage device, saves；When generated energy is inadequate
Used time, the electric energy of storage can be discharged by energy storage device, supplements the deficiency of generating.And when photovoltaic generation is sent out
During raw sudden change, energy storage device also can play the effect of real-Time Compensation, balances system output power.
In prior art, use energy storage scheme, then photovoltaic plant can be made always to work in maximum power point position
Putting, unnecessary electric energy is stored by the energy-accumulating power station built, and discharges needs when again.One
As be incorporated to energy storage device in DC/DC side, as shown in Figure 1.
This photovoltaic system, the electricity that photovoltaic module sends stably boosts through DC/DC changer, then passes through
DC/AC inverter makes DC power conversion become alternating current, powering load.Energy storage device is incorporated to DC/DC side,
The galvanic current through the conversion of DC/DC changer is made to be stored in energy storage device.According to current energy storage skill
The present Research of art, can be divided into four kinds stored energy form: be respectively mechanical energy storage, chemical energy storage, electromagnetism storage
Energy and phase-change accumulation energy.And in order to generation of electricity by new energy with the use of, general use battery energy storage or super capacitor
Energy storage, they belong to chemical energy storage.
Unnecessary electric energy is stored by the energy-accumulating power station built, and discharges needs when again.So
And concentration is built energy-accumulating power station and be there are some problems: such as in some dispersibility photovoltaic generation occasions, energy storage electricity
The addressing stood is the most difficult；And being continuously increased along with photovoltaic generation installed capacity, it is necessarily required to the newest
Building energy-accumulating power station, thus bring the problems such as overlapping investment, economy is poor.
Summary of the invention
For the deficiency overcoming above-mentioned prior art to exist, the purpose of the present invention is to provide and has energy storage device
Photovoltaic generating system, it is by utilizing ultracapacitor, makes combining inverter possess energy storage and generate electricity by way of merging two or more grid systems 2
Individual function, and according to running needs, electric energy in a planned way stored and discharges, thus reaching smooth
The purpose of grid-connected power.
For reaching above and other purpose, the present invention proposes a kind of photovoltaic generating system with energy storage device, bag
Include:
Photovoltaic generator, is used for converting light energy into low-voltage direct electric energy；
DC/DC changer, for low-voltage direct electric energy is converted to stable DC voltage,
Filter capacitor is used for filtering high-frequency noise,
DC/AC inverter, for being converted to electric main supply load and controlled opening by stable DC voltage
Close；
Two-way DC/AC changer, for the friendship exported by this DC/AC inverter when photovoltaic generation abundance
Stream civil power is converted to DC voltage and to energy storage device charging or is stored up by this energy storage device when photovoltaic generation is inadequate
The electric energy deposited is converted to load required electric main；
Energy storage device, for storing unnecessary electric energy when photovoltaic generation abundance；
Gate-controlled switch, for being switched on or switched off electricity network under control of the control system.
Further, this energy storage device is composed in parallel by accumulator and super capacitor.
Further, this photovoltaic generator outfan connects the input of this DC/DC changer, should
The outfan of DC/DC changer connects the input of this DC/AC inverter, and this filter capacitor is connected in parallel
Between the outfan of this DC/DC changer, the outfan of this DC/AC inverter connects load, controlled opens
Close and the AC port of this two-way DC/AC changer.
Further, this two-way DC/AC changer uses full-bridge circuit to realize the two-way changing of power.
Further, this two-way DC/AC changer includes first to fourth high-frequency power device (V1-V4)
And first to fourth diode (D1-D4), this first high-frequency power device (V1) emitter stage with this first
Diode (D1) anode, the 3rd diode (D3) negative electrode, the 3rd high-frequency power device (V3) colelctor electrode
Being connected to form an AC port of this two-way DC/AC changer, this second high-frequency power device (V2) is launched
Pole and this second diode (D2) anode, the 4th diode (D4) negative electrode, the 4th high-frequency power device
(V4) colelctor electrode is connected to form another AC port of this two-way DC/AC changer, this first high frequency power
Device (V1) colelctor electrode and this first diode (D1) negative electrode, the second diode (D2) negative electrode, this
Two high-frequency power devices (V2) colelctor electrode is connected to form the DC port anode of this two-way DC/AC changer,
3rd high-frequency power device (V3) emitter stage and the 3rd diode (D3) anode, the 4th diode (D4)
Anode, the 4th high-frequency power device (V4) emitter stage are connected to form the direct current of this two-way DC/AC changer
Port negative terminal.
Further, DC port anode and the negative terminal of this two-way DC/AC changer connects this energy storage respectively
The anode of device and negative terminal.
Further, when this energy storage device discharges, this two-way DC/AC changer direct current turning to exchange
Change with first to fourth high-frequency power device (V1, V2, V3, V4) and first to fourth diode (D1,
D2, D3, D4) full bridge inverter realization.
Further, when this energy storage device charges, turning of this two-way DC/AC changer AC-to DC
Change the full bridge rectifier formed with first to fourth diode (D1, D2, D3, D4) to realize.
Further, described super capacitor is one-level energy storage, and when being incorporated into the power networks, power distribution network is as two grades of energy storage,
By controlling dominant eigenvalues, make super capacitor terminal voltage stable within discharge and recharge limit value, remain public simultaneously
Junction point busbar voltage changes in allowed band altogether.
Further, described super capacitor is one-level energy storage, and during islet operation, this accumulator is as two grades of energy storage,
Accumulator cell charging and discharging number of times is reduced by the cushioning effect of this super capacitor, increasing storage battery service life, when
When super capacitor reaches discharge and recharge warning value, accurately control accumulator with constant power output, regulation super capacitor
Terminal voltage returns to normal value.
Compared with prior art, a kind of photovoltaic generating system with energy storage device of the present invention is super by utilizing
Capacitor, makes combining inverter possess energy storage and 2 functions of generating electricity by way of merging two or more grid systems, and according to running needs, right
Electric energy in a planned way stores and discharges, thus reaches the purpose of smooth grid-connected power.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, DC/DC side is incorporated to energy storage device；
Fig. 2 is the configuration diagram of a kind of photovoltaic generating system with energy storage device of the present invention.
Detailed description of the invention
Below by way of specific instantiation accompanying drawings embodiments of the present invention, art technology
Personnel can be understood further advantage and effect of the present invention easily by content disclosed in the present specification.The present invention
Also can be implemented by other different instantiation or be applied, the every details in this specification also can base
In different viewpoints and application, under the spirit without departing substantially from the present invention, carry out various modification and change.
Fig. 2 is the configuration diagram of a kind of photovoltaic generating system with energy storage device of the present invention.Such as Fig. 2 institute
Showing, a kind of photovoltaic generating system with energy storage device of the present invention includes that photovoltaic generator 10, DC/DC convert
Device 20, filter capacitor 30, DC/AC inverter 40, two-way DC/AC changer 50, energy storage device 60,
Gate-controlled switch 70.
Wherein, photovoltaic generator 10, DC/DC changer 20, filter capacitor 30, DC/AC inverter
40 are custom circuit, and photovoltaic generator 10 is used for converting light energy into low-voltage direct electric energy, and DC/DC becomes
Parallel operation 20 is for being converted to stable DC voltage Udc1 by low-voltage direct electric energy, and filter capacitor 30 is used for filtering
High-frequency noise, DC/AC inverter 40 is for being converted to electric main supply load 80 by stable DC voltage
With gate-controlled switch 70, control system (not shown) is according to the power generation situation of photovoltaic generator 10 and civil power 90
State (state-detection is not shown) determine gate-controlled switch 70 be to turn on implementation generate electricity by way of merging two or more grid systems also be off carry out from
Network operation；Two-way DC/AC changer 50 is made up of high-frequency power device V1-V4, diode D1-D4,
For the electric main that DC/AC inverter 40 exports being converted to DC voltage when photovoltaic generation abundance
The electric energy conversion that Udc2 charges to energy storage device 60 or stored by energy storage device 60 when photovoltaic generation is inadequate
For the required electric main of load；Energy storage device 60 is composed in parallel by accumulator and super capacitor, at photovoltaic
Unnecessary electric energy is stored time sufficient by generating, and gate-controlled switch 70 is used for being switched on or switched off electricity network.
Photovoltaic generator 10 outfan connects the input of DC/DC changer 20, DC/DC changer 20
Outfan connect DC/AC inverter 40 input, filter capacitor 30 be connected in parallel DC/DC become
Between the outfan of parallel operation 20, the outfan of DC/AC inverter 40 connects load 80, gate-controlled switch 70 and
The AC port of two-way DC/AC changer 50, high-frequency power device V1 emitter stage (MOSFET source)
With diode D1 anode, diode D3 negative electrode, high-frequency power device V3 colelctor electrode (MOSFET drain electrode)
It is connected to form an AC port of two-way DC/AC changer 50, high-frequency power device V2 emitter stage
(MOSFET source) and diode D2 anode, diode D4 negative electrode, high-frequency power device V4 current collection
Pole (MOSFET drain electrode) is connected to form another AC port of two-way DC/AC changer 50, high frequency merit
Rate device V1 colelctor electrode (MOSFET drain electrode) and diode D1 negative electrode, diode D2 negative electrode, high frequency
Power device V2 colelctor electrode (MOSFET drain electrode) is connected to form the direct current of two-way DC/AC changer 50
Port anode, high-frequency power device V3 emitter stage (MOSFET source) and diode D3 anode, two poles
Pipe D4 anode, high-frequency power device V4 emitter stage (MOSFET source) are connected to form two-way DC/AC
The DC port negative terminal of changer 50, the DC port anode of two-way DC/AC changer 50 and negative terminal are respectively
Connect anode and the negative terminal of energy storage device 60.
Visible, in the present invention, two-way DC/AC changer 50 uses full-bridge circuit to realize the two-way change of power
Change.When energy storage device discharges, the conversion of DC to AC with V1, V2, V3, V4 and D1, D2,
D3, D4 full bridge inverter realizes；When energy storage device charges, the conversion of AC to DC with D1, D2,
The full bridge rectifier of D3, D4 composition realizes.
In the present invention, there are following three kinds of states:
(1) when photovoltaic power generation quantity abundance, not only powering load returns energy storage device charging, and real
Existing grid-connected.
(2) when photovoltaic power generation quantity deficiency, both electric energy powering load can be discharged with energy storage device, it is possible to
With electrical network powering load.
(3) when electrical grid failure, switch S disconnects, and carries out off-network operational mode.
Super capacitor is preferentially stabilized grid power fluctuation as system level buffering accumulated energy by the present invention.Grid-connected
During operation, power distribution network is as two grades of energy storage, by controlling dominant eigenvalues, makes super capacitor terminal voltage stablize
Within discharge and recharge limit value, maintain points of common connection busbar voltage to change in allowed band simultaneously；Islet operation
Time accumulator as two grades of energy storage, reduce accumulator cell charging and discharging number of times by the cushioning effect of super capacitor, prolong
Long service lifetime of accumulator, when super capacitor reaches discharge and recharge warning value, accurately controls accumulator with permanent merit
Rate exports, and regulation super capacitor terminal voltage returns to normal value.
In sum, the present invention is a kind of has the photovoltaic generating system of energy storage device by utilizing super capacitor
Device, makes combining inverter possess energy storage and 2 functions of generating electricity by way of merging two or more grid systems, and according to running needs, to electric energy
In a planned way store and discharge, thus reaching the purpose of smooth grid-connected power.
Compared with prior art, present invention have the advantage that
1, integrated energy storage function in inverter, solves concentration well and builds energy-accumulating power station and exist
Problem, it is simple to use on the spot.
2, the use of hybrid accumulator, in a planned way stores electric energy and discharges simultaneously, having and reach
The purpose of smooth grid-connected power
The present invention can be used for domestic photovoltaic generating system and some dispersibility photovoltaic generation occasions, owing to energy storage fills
Put and be integrated in inverter, easy to use, safe, it is possible not only to make photovoltaic system off-network run, it is also possible to
Photovoltaic system safety grid-connection is made to run；Being used in combination of super capacitor and accumulator, is incorporated into the power networks and off-network is transported
Row can smooth between the two, reliably and securely switch.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.
Above-described embodiment all can be carried out by any those skilled in the art under the spirit and the scope of the present invention
Modify and change.Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. there is a photovoltaic generating system for energy storage device, including:
Photovoltaic generator, is used for converting light energy into low-voltage direct electric energy；
DC/DC changer, for low-voltage direct electric energy is converted to stable DC voltage,
Filter capacitor is used for filtering high-frequency noise,
DC/AC inverter, for being converted to electric main supply load and controlled opening by stable DC voltage
Close；
Two-way DC/AC changer, for the friendship exported by this DC/AC inverter when photovoltaic generation abundance
Stream civil power is converted to DC voltage and to energy storage device charging or is stored up by this energy storage device when photovoltaic generation is inadequate
The electric energy deposited is converted to load required electric main；
Energy storage device, for storing unnecessary electric energy when photovoltaic generation abundance；
Gate-controlled switch, for being switched on or switched off electricity network under control of the control system.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
This energy storage device is composed in parallel by accumulator and super capacitor.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
This photovoltaic generator outfan connects the input of this DC/DC changer, the output of this DC/DC changer
End connects the input of this DC/AC inverter, and this filter capacitor is connected in this DC/DC changer in parallel
Between outfan, the outfan of this DC/AC inverter connects load, gate-controlled switch and this two-way DC/AC and becomes
The AC port of parallel operation.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
This two-way DC/AC changer uses full-bridge circuit to realize the two-way changing of power.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
This two-way DC/AC changer includes first to fourth high-frequency power device (V1-V4) and first to fourth
Diode (D1-D4), this first high-frequency power device (V1) emitter stage and this first diode (D1) sun
Pole, the 3rd diode (D3) negative electrode, that the 3rd high-frequency power device (V3) colelctor electrode is connected to form this is two-way
One AC port of DC/AC changer, this second high-frequency power device (V2) emitter stage and the two or two pole
Pipe (D2) anode, the 4th diode (D4) negative electrode, the 4th high-frequency power device (V4) colelctor electrode phase
Even form another AC port of this two-way DC/AC changer, this first high-frequency power device (V1) current collection
Pole and this first diode (D1) negative electrode, the second diode (D2) negative electrode, this second high-frequency power device
(V2) colelctor electrode is connected to form the DC port anode of this two-way DC/AC changer, the 3rd high frequency power
Device (V3) emitter stage and the 3rd diode (D3) anode, the 4th diode (D4) anode, this
Four high-frequency power devices (V4) emitter stage is connected to form the DC port negative terminal of this two-way DC/AC changer.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
The DC port anode of this two-way DC/AC changer and negative terminal connect the anode of this energy storage device respectively and bear
End.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
When this energy storage device discharges, the conversion of this two-way DC/AC changer direct current to exchange is high with first to fourth
Frequently power device (V1, V2, V3, V4) and first to fourth diode (D1, D2, D3, D4) are complete
Bridge inverter circuit realizes.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
When this energy storage device charges, the conversion of this two-way DC/AC changer AC-to DC is with first to fourth 2
The full bridge rectifier that pole pipe (D1, D2, D3, D4) forms realizes.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
Described super capacitor is one-level energy storage, and when being incorporated into the power networks, power distribution network is as two grades of energy storage, by controlling interconnection
Power, makes super capacitor terminal voltage stable within discharge and recharge limit value, maintains points of common connection bus electricity simultaneously
It is pressed in change in allowed band.
A kind of photovoltaic generating system with energy storage device, it is characterised in that:
Described super capacitor is one-level energy storage, and during islet operation, this accumulator is as two grades of energy storage, by this super electricity
The cushioning effect held reduces accumulator cell charging and discharging number of times, and increasing storage battery service life, when super capacitor reaches
During discharge and recharge warning value, accurately control accumulator and return to constant power output, regulation super capacitor terminal voltage
Normal value.
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| CN201610429848.5A CN106026164A (en) | 2016-06-16 | 2016-06-16 | Photovoltaic power generation system with energy storage apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602999A (en) * | 2016-12-21 | 2017-04-26 | 湖北工业大学 | Super-capacitor-based hybrid cascade photovoltaic inverter and control method |
| CN107104462A (en) * | 2017-05-18 | 2017-08-29 | 电子科技大学 | A kind of method dispatched for wind power plant energy storage |
| CN107425538A (en) * | 2017-06-10 | 2017-12-01 | 中国科学院电工研究所 | A kind of photovoltaic energy storage integral type electricity generation system |
| CN107528341A (en) * | 2017-08-25 | 2017-12-29 | 电子科技大学 | A kind of method that bulk power grid energy storage for high wind-powered electricity generation permeability is dispatched |
| CN107681767A (en) * | 2017-11-20 | 2018-02-09 | 珠海格力电器股份有限公司 | Power generation system and power supply method |
| CN107911061A (en) * | 2017-12-06 | 2018-04-13 | 北京嘉寓门窗幕墙股份有限公司 | Photovoltaic energy storage power station |
| CN108964081A (en) * | 2018-05-31 | 2018-12-07 | 湖北工业大学 | It is a kind of applied to stablize microgrid energy-storage system output circuit structure |
| CN109638866A (en) * | 2018-12-17 | 2019-04-16 | 北京英瑞来科技有限公司 | Based on the transient voltage Initiative Defense device for being switched fast switch and hybrid energy-storing |
| CN109804520A (en) * | 2016-10-14 | 2019-05-24 | 东芝三菱电机产业系统株式会社 | Power conversion system, electric power supply system and power inverter |
| CN110994590A (en) * | 2019-11-14 | 2020-04-10 | 国家电网有限公司 | Voltage sag treatment system based on light storage system and control method thereof |
| CN113472009A (en) * | 2021-07-01 | 2021-10-01 | 北京机械设备研究所 | Multi-working-condition parallel light storage integrated machine system and configuration method thereof |
| CN113964869A (en) * | 2021-11-05 | 2022-01-21 | 内蒙古民族大学 | Distributed photovoltaic power generation grid-connected power control system |
| CN114050599A (en) * | 2021-12-02 | 2022-02-15 | 江苏曦日新能源科技有限公司 | Peak-adjustable photovoltaic power generation system and peak-adjustable photovoltaic power generation method |
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| CN108964081A (en) * | 2018-05-31 | 2018-12-07 | 湖北工业大学 | It is a kind of applied to stablize microgrid energy-storage system output circuit structure |
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| CN113964869A (en) * | 2021-11-05 | 2022-01-21 | 内蒙古民族大学 | Distributed photovoltaic power generation grid-connected power control system |
| CN114050599A (en) * | 2021-12-02 | 2022-02-15 | 江苏曦日新能源科技有限公司 | Peak-adjustable photovoltaic power generation system and peak-adjustable photovoltaic power generation method |
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