CN107147147A - Photovoltaic generating system - Google Patents
Photovoltaic generating system Download PDFInfo
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- CN107147147A CN107147147A CN201710454554.2A CN201710454554A CN107147147A CN 107147147 A CN107147147 A CN 107147147A CN 201710454554 A CN201710454554 A CN 201710454554A CN 107147147 A CN107147147 A CN 107147147A
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- combining inverter
- battery
- photovoltaic module
- photovoltaic
- power network
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- 238000009826 distribution Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 claims description 3
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 2
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 29
- 238000005286 illumination Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 5
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- 238000005859 coupling reaction Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
Abstract
The invention discloses a kind of photovoltaic generating system.Wherein, the system includes：Photovoltaic module array, for converting the solar into direct current；From combining inverter, it is connected with photovoltaic module array, for direct current to be converted into alternating current, and electric energy is exported to battery and power network；Battery, is connected with from combining inverter.Power network, is connected with from combining inverter.The present invention solves off-network electricity generation system in the prior art and loaded in no light or weaker illumination and can not be worked and grid-connected system loads the technical problem that can not be worked in grid power blackout.
Description
Technical field
The present invention relates to generating electricity by natural energy field, in particular to a kind of photovoltaic generating system.
Background technology
Solar energy power generating is that state key advocates the green energy resource developed.Green energy resource is widely used to reduction
The discharge of carbon dioxide and other toxic gases, Air Pollution prevention and control is preserved the ecological environment significant, is also that nature is assigned
Give the historic responsibility of the mankind and society.China's land resource is vast, and inhabitants live disperses, and conventional energy supply lacks.In order to full
Demand of the sufficient economic development to the energy, it is necessary to supplemented by developing new and renewable sources of energy.
Just from the point of view of current photovoltaic market both domestic and external, typically there are grid-connected photovoltaic system and off-network photovoltaic system present on market
System, grid-connected photovoltaic system requires that inverter must possess anti-isolated island function according to grid company at present, i.e., must be by power network
The operation of whole system can be completed, the normal operation of equipment can not be met when power network is without electricity.Although off-grid system can be solved
The drawbacks of certainly power network is enough run without electric energy, but when load excessive or not strong illumination, accumulator electric-quantity can not meet equipment
Startup voltage, equipment also can not normally run work.
Being loaded for the above-mentioned electricity generation system of off-network in the prior art in no light or weaker illumination can not work and grid-connected
Electricity generation system loads the problem of can not working in grid power blackout, and effective solution is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of photovoltaic generating system, existed with least solving off-network electricity generation system in the prior art
Load can not work when no light or weaker illumination and grid-connected system loads the technology that can not be worked in grid power blackout and asked
Topic.
One side according to embodiments of the present invention there is provided a kind of photovoltaic generating system, including：Photovoltaic module array,
For converting the solar into direct current；From combining inverter, it is connected with photovoltaic module array, for direct current to be converted into friendship
Stream electricity, and export electric energy to battery and power network；Battery, is connected with from combining inverter；Power network, with connecting from combining inverter
Connect.
Further, system also includes：Distribution box, is connected with from combining inverter and power network.
Further, distribution box includes following at least one：AC power distribution cabinet/AC distribution panel, accumulator tank and grid-connected batch meter.
Further, system also includes：Monitoring system, is connected with from combining inverter.
Further, system also includes：Controller, is connected with photovoltaic module array and from combining inverter.
Further, controller is MPPT charge controllers.
Further, DSP Processor is included from combining inverter.
Further, DSP Processor includes MPPT charging control units and three stage charging system unit.
Further, photovoltaic module array includes two groups of photovoltaic modulies, and every group of photovoltaic module includes 9 photovoltaic modulies.
Further, battery includes following at least one：Lithium ion battery, lead-acid battery, nickel-cadmium cell and ni-mh electricity
Pond.
In embodiments of the present invention, photovoltaic is constituted using photovoltaic module array, from combining inverter, battery and power network etc.
The mode of electricity generation system, wherein, photovoltaic module array, for converting the solar into direct current；From combining inverter, with photovoltaic
Assembly array is connected, and for direct current to be converted into alternating current, and exports electric energy to battery and power network；Battery, and from simultaneously
Net inverter is connected；Power network, is connected with from combining inverter, by supplying photovoltaic module array electricity from combining inverter
Load is used or is delivered to power network, and power network supply load is used and charged a battery, and accumulator electric-quantity supply load is used, and three
Part point is combined at times, has reached photovoltaic generating system off-network, grid-connected purpose, and by bidirectional energy-storage, realizes electricity
The two-way flow control of energy, it is achieved thereby that ensureing negative in no light or weaker illumination and when power network is having electricity and without electricity
Load can normally be run, and photovoltaic generation is all generated power for their own use, and improve the technique effect of network load pressure, and then be solved existing
Off-network electricity generation system is loaded in no light or weaker illumination and can not worked and grid-connected system is in grid power blackout in technology
Load the technical problem that can not be worked.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of photovoltaic generating system according to embodiments of the present invention；
Fig. 2 is a kind of schematic diagram of optional photovoltaic generating system according to embodiments of the present invention；
Fig. 3 is a kind of schematic diagram of optional photovoltaic generating system according to embodiments of the present invention；And
Fig. 4 is a kind of schematic diagram of optional photovoltaic generating system according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model that the present invention is protected
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention there is provided a kind of product embodiments of photovoltaic generating system, Fig. 1 is according to of the invention real
The photovoltaic generating system of example is applied, as shown in figure 1, the system includes photovoltaic module array 10, from combining inverter 20, battery 30
With power network 40；Wherein, photovoltaic module array 10, for converting the solar into direct current；From combining inverter 20, with photovoltaic group
Part array 10 is connected, and for direct current to be converted into alternating current, and exports electric energy to battery 30 and power network 40；Battery 30,
It is connected with from combining inverter 20；Power network 40, is connected with from combining inverter 20.
Specifically, photovoltaic module array 10 is typically formed by multiple photovoltaic modulies according to certain array, wherein, photovoltaic module
It can utilize photovoltaic effect that the energy of solar radiation is converted into direct current, photovoltaic generation has energy source abundance, built
Realize and the small advantage of effect on environment, conveyed in photovoltaic generating system of the invention to power network 40 if the cycle is short, conversion is easy
All electric energy provided by photovoltaic module array 10；From the liter that combining inverter 20 can be uniformly coordinated photovoltaic generating system
The work such as pressure, charging, inversion, switching, are the core links of photovoltaic generating system, as shown in figure 1, can be with from combining inverter 20
It is directly connected to, by using from combining inverter 20, can realizes simultaneously from grid-connected function with load 50；Battery 30 it is main
Effect is energy storage, specially stores institute's generated energy on daytime, when power network 40 is without electricity, can provide electric energy to load 50, meet load
50 normal is used；Power network 40 can be public electric wire net, and it is to absorb the electric energy produced from combining inverter 20 that it, which is acted on, generally electricity
Net 40 can be regarded as an infinitely great exchange energy storage device, and its parameter can be optionally 220V ± 10%, by from
Combining inverter 20 is connected with power network 40, and the electric energy that photovoltaic generating system of the invention is produced is on the premise of satisfaction is personal, also
Clean energy resource can be conveyed to power network 40, power network 40 is also used to load 50 and provides electric energy.
In a particular application, photovoltaic generating system of the invention absorbs solar irradiation on daytime and generated electricity, electricity
Substantially meet personal, and be partly into after battery 30 and power network 40, evening no light, power network 40 can be to load 50
Power supply, while carrying out supplement power supply by battery 30, therefore can reduce the power load of power network 40；After power network 40 has a power failure,
Storage battery power supply pattern can be automatically switched to, is powered by battery 30 to load 50, it is real to meet the normal operation of load 50
Existing uninterrupted power supply, realizes the breakthrough of energy storage technology.It the following is three specific application scenarios：
10 generated energy of photovoltaic module array are supplied to load 50 simultaneously with battery 30 under scene one, grid-connected state
Electricity.When the photovoltaic generating system of the present invention is being generated electricity daytime, system institute generated energy preferentially meets load 50 and used, unnecessary
Electricity can supplement battery 30, dump energy is connected to the grid 40, optionally, when daytime, power load was big, can carry out
Peak regulation and peak load shifting, to improve the utilization ratio of the energy.
10 generated energy of photovoltaic module array are supplied to load 50 simultaneously with battery 30 under scene two, island operation state
Electricity.After power network 40 has a power failure, photovoltaic generating system of the invention can automatically switch to the powering mode of battery 30, by battery
30 power to load 50, meet the normal operation of load 50, realize the function of never powering off.
Power network 40 is powered to load 50 under scene three, grid-connected state.During night, photovoltaic generating system of the invention is not
Generated electricity, the civil power that preferentially can be provided using power network 40 is used to meet load 50, optionally, electricity can be carried out during night
The preferential utilization of the valley of net 40, to improve the utilization ratio of the energy.
In embodiments of the present invention, using photovoltaic module array 10, from combining inverter 20, battery 30 and power network 40 etc.
The mode of photovoltaic generating system is constituted, wherein, photovoltaic module array 10, for converting the solar into direct current；It is inverse from grid-connected
Become device 20, be connected, for direct current to be converted into alternating current, and exported to battery 30 and power network 40 with photovoltaic module array 10
Electric energy；Battery 30, is connected with from combining inverter 20；Power network 40, is connected with from combining inverter 20, by from parallel network reverse
The electricity supply load 50 of photovoltaic module array 10 is used or is delivered to power network 40 by device 20, the supply load 50 of power network 40 use and
Charged to battery 30, the electricity supply load 50 of battery 30 is used, and three parts are combined at times, have reached photovoltaic generation system
System off-network, grid-connected purpose, and by bidirectional energy-storage, the two-way flow control of electric energy is realized, it is achieved thereby that ensureing in nothing
When illumination or weaker illumination and load 50 when power network 40 is having electricity and without electricity can normally run, photovoltaic generation is all spontaneous
It is personal, improve the technique effect of the load pressure of power network 40, and then solve in the prior art off-network electricity generation system in no light or
Load can not work when illumination is weaker and grid-connected system loads the technical problem that can not be worked in grid power blackout.
Herein it should be noted that the photovoltaic generating system of the present invention can be the photovoltaic generation system based on intelligent micro-grid
System, wherein, intelligent micro-grid refers to by distributed power source, energy storage device, energy conversion device, associated loadings and monitoring, protection dress
The small-sized electric system collected is put, the autonomous system of self-contr ol, protection and management can be realized by being one, both can be with
It is incorporated into the power networks with external electrical network, can also isolated operation.
In a kind of optional embodiment, photovoltaic generating system of the invention possesses certainly when being powered to load 50
The ability of dynamic and manual switching working condition, for example, battery 30 or power network 40 can be realized by automatic or manual switching
Power supply to load 50.
In a kind of optional embodiment, frequency modulation function can be realized from combining inverter 20, for example, can be by direct current
It is adjusted to industrial-frequency alternating current.
In a kind of optional embodiment, as shown in Fig. 2 system also includes：Distribution box 60, with from combining inverter 20 and
Power network 40 is connected.
Specifically, as shown in Fig. 2 when system includes distribution box 60, distribution box 60 except with from combining inverter 20 and
Outside power network 40 is connected, also it is connected with load 50.Distribution box 60 possesses rational distribution electric energy, switching action conveniently to circuit
And the function such as conducting state of display circuit directly perceived.
In a kind of optional embodiment, as shown in Fig. 2 DC/DC inverters and DC/ can be included from combining inverter 20
AC inverters.
In a kind of optional embodiment, distribution box 60 includes following at least one：AC power distribution cabinet/AC distribution panel, accumulator tank and simultaneously
Network metering case.
Specifically, in practical application, grid-connected batch meter can be that 5KW exchanges grid-connected batch meter, and 5KW exchanges are grid-connected
Can be 5KW from grid-connected from combining inverter 20 accordingly during batch meter knife switch wiring by the way of bottom in and top out
Inverter.
In a kind of optional embodiment, system also includes：Monitoring system, is connected with from combining inverter 20.
In a kind of optional embodiment, as shown in figure 3, system also includes：Controller 70, with photovoltaic module array 10 and
Connected from combining inverter 20.
Specifically, as shown in figure 3, photovoltaic module array 10 can be connected with a controller 70, then by controller 70
Be connected with from combining inverter 20, battery 30 except in addition to being connected from combining inverter 20, being also connected with controller 70,
In a kind of optional embodiment, controller 70 is MPPT charge controllers.
In a kind of optional embodiment, include DSP Processor from combining inverter 20.
Specifically, from DSP (data signal processor, Digital Signal Processor in combining inverter 20
Write a Chinese character in simplified form) processor can be uniformly coordinated the work such as boosting, charging, inversion, the switching of control system.
In a kind of optional embodiment, DSP Processor includes MPPT (MPPT maximum power point tracking, Maximum Power
Point Tracking's writes a Chinese character in simplified form) charging control unit and three stage charging system unit.
Specifically, DSP Processor can built-in high accuracy MPPT tracking and intelligence three stage charging system function, be family, island
The small photovoltaic power generation systems such as small island, ship provide stable, reliable, safety solution.
In a kind of optional embodiment, as shown in Figure 3 and Figure 4, photovoltaic module array 10 includes two groups of photovoltaic modulies, often
Group photovoltaic module includes 9 photovoltaic modulies.
Specifically, as shown in Figure 3 and Figure 4, photovoltaic module array 10 can be the 2 and 9 photovoltaic module arrays gone here and there, wherein,
The setting angle of photovoltaic module array 10 can be 34 degree, and the specification of each photovoltaic module can be 1640*992*35mm, each
The capacity of photovoltaic module can be 18Pcs*260W=4.68KW, and the distance between two groups of photovoltaic modulies can be 2200mm.
In a kind of optional embodiment, battery 30 includes following at least one：Lithium ion battery, lead-acid battery, nickel
Cadmium cell and Ni-MH battery.
Specifically, battery 30 can be batteries, including multiple batteries connected according to ad hoc fashion connection in series-parallel,
For example, it may be the batteries of 2 and 9 strings, design parameter can be 25.9V and 57.2ah.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can for personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of photovoltaic generating system, it is characterised in that including：
Photovoltaic module array, for converting the solar into direct current；
From combining inverter, it is connected with the photovoltaic module array, for the direct current to be converted into alternating current, and to electric power storage
Pond and power network output electric energy；
Battery, is connected with described from combining inverter；
Power network, is connected with described from combining inverter.
2. system according to claim 1, it is characterised in that the system also includes：
Distribution box, is connected with described from combining inverter and the power network.
3. system according to claim 2, it is characterised in that the distribution box includes following at least one：AC distribution
Cabinet, accumulator tank and grid-connected batch meter.
4. system according to claim 1, it is characterised in that the system also includes：
Monitoring system, is connected with described from combining inverter.
5. system according to claim 1, it is characterised in that the system also includes：
Controller, with the photovoltaic module array and described being connected from combining inverter.
6. system according to claim 5, it is characterised in that the controller is MPPT charge controllers.
7. system according to claim 1, it is characterised in that described to include DSP Processor from combining inverter.
8. system according to claim 7, it is characterised in that the DSP Processor include MPPT charging control units and
Three stage charging system unit.
9. the system according to any one in claim 1-8, it is characterised in that the photovoltaic module array includes two groups
Photovoltaic module, every group of photovoltaic module includes 9 photovoltaic modulies.
10. the system according to any one in claim 1-8, it is characterised in that the battery is included as follows at least
It is a kind of：Lithium ion battery, lead-acid battery, nickel-cadmium cell and Ni-MH battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454554.2A CN107147147A (en) | 2017-06-15 | 2017-06-15 | Photovoltaic generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454554.2A CN107147147A (en) | 2017-06-15 | 2017-06-15 | Photovoltaic generating system |
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| Publication Number | Publication Date |
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| CN107147147A true CN107147147A (en) | 2017-09-08 |
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| CN201710454554.2A Pending CN107147147A (en) | 2017-06-15 | 2017-06-15 | Photovoltaic generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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