CN109193896A - A kind of power supply system of photovoltaic building - Google Patents
A kind of power supply system of photovoltaic building Download PDFInfo
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- CN109193896A CN109193896A CN201810975170.XA CN201810975170A CN109193896A CN 109193896 A CN109193896 A CN 109193896A CN 201810975170 A CN201810975170 A CN 201810975170A CN 109193896 A CN109193896 A CN 109193896A
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- energy storage
- photovoltaic building
- storage machine
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- 238000004146 energy storage Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000013084 building-integrated photovoltaic technology Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 17
- 238000010348 incorporation Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H02J3/383—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
-
- 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
- Y02B10/10—Photovoltaic [PV]
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power supply systems of photovoltaic building, including photovoltaic building, the photovoltaic building is connected with grid-connected energy storage machine by power transmission network, the grid-connected energy storage machine is communicated with battery by conductive mesh, the grid-connected energy storage machine is communicated with gird-connected inverter and load balancing by power supply network, the gird-connected inverter is communicated with power grid by power distribution network, and the load balancing is connected to power grid by transmission cable.The present invention is by being equipped with grid-connected energy storage machine and load balancing; grid-connected energy storage machine can store generated energy that can be extra; raising is generated power for their own use ratio; it generates power for their own use applied to photovoltaic and is unable to that surplus online, personal electricity price are more many than rate for incorporation into the power network price, the wave crest electricity price application places such as many more expensive than popin electricity price; Distributed Power Resource is converted into electric energy on the spot; then the local load of supply nearby; realize the autonomous system of self-contr ol, protection and management; both it can be incorporated into the power networks with external electrical network, it can also be with isolated operation.
Description
Technical field
The present invention relates to photovoltaic power supply field, in particular to a kind of power supply system of photovoltaic building.
Background technique
Photovoltaic generating system refers to the electricity generation system it is not necessary that luminous energy to be directly changed into electric energy by thermal process.It main
Component is solar battery, battery, controller and inverter.Its main feature is that high reliablity, long service life, not polluting ring
Border, energy Independent Power Generation can be incorporated into the power networks again, and the solar power generation usually said refers to solar energy power generating, referred to as " photoelectricity ".
Photovoltaic power generation is the photovoltaic effect using interface and luminous energy is directly translated into a kind of technology of electric energy.This skill
The key element of art is solar battery.Solar battery carries out packaging protection after series connection can form the sun electricity of large area
Pond component, then photovoltaic power generation apparatus is formed with the components such as power controller are closed.The advantages of photovoltaic power generation is less by ground
Domain limitation also has the advantages that safe and reliable, noiseless, low pollution, need not consume fuel, but photovoltaic currently on the market supplies
Electric system needs artificial policer operation mostly and application range is small, therefore, invents a kind of power supply system of photovoltaic building to solve
The above problem is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of power supply systems of photovoltaic building, equal by being equipped with grid-connected energy storage machine and load
Weighing apparatus, grid-connected energy storage machine can store generated energy that can be extra, improve ratio of generating power for their own use, and generating power for their own use applied to photovoltaic cannot be remaining
Amount online, personal electricity price are more many than rate for incorporation into the power network price, the wave crest electricity price application places such as many more expensive than popin electricity price, will disperse
The energy is converted to electric energy on the spot, and then the local load of supply nearby, realizes the autonomous system of self-contr ol, protection and management, both
It can be incorporated into the power networks, can also be needed mostly with the photovoltaic power supply system of solution currently on the market with isolated operation with external electrical network
Artificial policer operation and the small problem of application range.
To achieve the above object, the invention provides the following technical scheme: a kind of power supply system of photovoltaic building, including photovoltaic
Building, the photovoltaic building are connected with grid-connected energy storage machine by power transmission network, and the grid-connected energy storage machine is communicated with storage by conductive mesh
Battery, the grid-connected energy storage machine are communicated with gird-connected inverter and load balancing by power supply network, and the gird-connected inverter is by matching
Power grid is communicated with power grid, and the load balancing is connected to power grid by transmission cable, matches between the power grid and gird-connected inverter
Multiple current sensors are installed on power grid.
Preferably, the photovoltaic building includes support base, mounting plate, ventilative board, BIPV component, barn door, light sensor
Device, hinged block, hydraulic lifting arm and pedestal, the support base quantity are set as multiple, and mounting plate is equipped at the top of the support base,
It is equipped with ventilative board at the top of the mounting plate, is equipped with BIPV component at the top of the ventilative board, the mounting plate two sides are equipped with shading
Plate, the barn door are shaped to arc-shaped, photosensitive sensor are equipped at the top of the barn door, the support base bottom is uniform
Equipped with hinged block, the hinged block bottom is equipped with hydraulic lifting arm, and the hydraulic lifting arm and hinged block are hinged, the hydraulic liter
Drop bar bottom is fixed with pedestal.
Preferably, be equipped with inside the grid-connected energy storage machine DC filter, PCS bidirectional converter, intelligent toggle switch,
CPU processor and wireless data transfer module.
Preferably, the gird-connected inverter includes the first DC/DC, DC/AC, alternating current filter and the 2nd DC/AC, and described the
One DC/DC connects with grid-connected energy storage machine, is in series with DC/AC and alternating current filter on the outside of the first DC/DC respectively, and described first
It is equipped with intelligent toggle switch between DC/DC and DC/AC, intelligent toggle switch, institute are equipped between the DC/AC and alternating current filter
It states the 2nd DC/AC to be parallel between grid-connected energy storage machine and the first DC/DC, the 2nd DC/AC is series at the first DC/DC and DC/
Between AC.
Preferably, the gird-connected inverter is in parallel with power grid, and the gird-connected inverter output is used as current source, described grid-connected
The inverter parallel operation of regarding current source and voltage source in parallel with power grid need to only control the defeated of inverter in grid-connected work
Power frequency, Phase Tracking grid voltage change are that can reach the purpose of parallel running out.
Preferably, the load balancing includes DC load and AC load, and the photovoltaic building is having the case where illumination
Under convert the solar into electric energy, by grid-connected energy storage machine give DC load power, charge a battery simultaneously；In no light
When, it is powered by battery to grid-connected energy storage machine, then power to AC load, completes entire power supply process.
Preferably, the current sensor is set in circuit different in power grid, and passes through transmission cable and grid-connected storage
It can machine connection.
Technical effect and advantage of the invention:
1, by being equipped with grid-connected energy storage machine and load balancing, grid-connected energy storage machine can store generated energy that can be extra, improve
Generate power for their own use ratio, generate power for their own use applied to photovoltaic be unable to surplus online, personal electricity price than rate for incorporation into the power network price very much, wave crest
The electricity price application places such as many more expensive than popin electricity price, when solar power is less than bearing power, system is by solar energy and power grid
It powers together, when solar power is greater than bearing power, a part of powering load of solar energy, a part is stored up by controller
It stores away, Distributed Power Resource is converted into electric energy on the spot, then the local load of supply nearby, realizes self-contr ol, protection and management
Autonomous system, can both be incorporated into the power networks with external electrical network, can also be with isolated operation；
2, by being equipped with photovoltaic building, by BIPV component and vent air interlayer ventilative board, this way can reduce sky
Refrigeration duty is adjusted, while improving incident photon-to-electron conversion efficiency, while photosensitive sensor detects both ends brightness, hydraulic lifting arm can push
Support base is in inclined-plane, makes the one side that BIPV component is more sufficient towards sunlight, improves whole transfer efficiency；
3, by being equipped with gird-connected inverter, the first DC/DC, DC/AC and alternating current filter inverter are worked together, not by group
The influence of module difference and screening shadow between string, while reducing photovoltaic module Best Point and the unmatched situation of inverter, to increase
Generated energy is added, the 2nd DC/AC exchanges work with the first DC/DC as stand-by equipment, guarantees the long-term efficient operation of equipment.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is photovoltaic building structural schematic diagram of the invention；
Fig. 3 is power supply circuit of the invention；
In figure: 1 photovoltaic building, 11 support bases, 12 mounting plates, 13 ventilative boards, 14BIPV component, 15 barn doors, 16 photosensitive
Sensor, 17 hinged blocks, 18 hydraulic lifting arms, 19 pedestals, 2 grid-connected energy storage machines, 3 batteries, 4 gird-connected inverters, 41 the oneth DC/
DC, 42DC/AC, 43 alternating current filters, 44 the 2nd DC/AC, 5 load balancing, 6 power grids, 7 current sensors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
The present invention provides a kind of power supply system of photovoltaic building as shown in Figs. 1-3, including photovoltaic building 1, the light
Volt building 1 is connected with grid-connected energy storage machine 2 by power transmission network, and the grid-connected energy storage machine 2 is communicated with battery 3, institute by conductive mesh
It states grid-connected energy storage machine 2 and gird-connected inverter 4 and load balancing 5 is communicated with by power supply network, the gird-connected inverter 4 passes through power distribution network
It is communicated with power grid 6, the load balancing 5 is connected to power grid 6 by transmission cable, is matched between the power grid 6 and gird-connected inverter 4
Multiple current sensors 7 are installed on power grid.
DC filter, PCS bidirectional converter, intelligent toggle switch, CPU processing are equipped with inside the grid-connected energy storage machine 2
Device and wireless data transfer module.
The load balancing 5 includes DC load and AC load, and the photovoltaic building 1 will too in the case where there is illumination
Sun can be converted to electric energy, be powered by grid-connected energy storage machine 2 to DC load, while charging to battery 3；When there is no light, by
Battery 3 is powered to grid-connected energy storage machine 2, then is powered to AC load, and entire power supply process is completed.
The present embodiment the utility model has the advantages that grid-connected energy storage machine 2 can store can extra generated energy, raising generates power for their own use ratio,
Generate power for their own use applied to photovoltaic be unable to surplus online, personal electricity price than rate for incorporation into the power network price very much, wave crest electricity price than popin electricity
The expensive application places such as many of valence, when solar power is less than bearing power, system is powered together by solar energy and power grid, when too
When positive energy power is greater than bearing power, a part of powering load of solar energy, a part is stored by controller, will be dispersed
The energy is converted to electric energy on the spot, then the local load of supply nearby.Realize the autonomous system of self-contr ol, protection and management, both
It can be incorporated into the power networks with external electrical network, it can also be with isolated operation.
Embodiment two:
The gird-connected inverter 4 includes the first DC/DC41, DC/AC42, alternating current filter 43 and the 2nd DC/AC44, described
First DC/DC41 connects with grid-connected energy storage machine 2, is in series with DC/AC42 and alternating current filter respectively on the outside of the first DC/DC41
Intelligent toggle switch is equipped between 43, the first DC/DC41 and DC/AC42, between the DC/AC42 and alternating current filter 43
Equipped with intelligent toggle switch, the 2nd DC/AC44 is parallel between grid-connected energy storage machine 2 and the first DC/DC41, and described second
DC/AC44 is series between the first DC/DC41 and DC/AC42.
The gird-connected inverter 4 is in parallel with power grid 6, and the output of gird-connected inverter 4 is used as current source, the parallel network reverse
The parallel operation of regarding current source and voltage source in parallel with power grid 6 of device 4 need to only control the output of inverter in grid-connected work
Power frequency, Phase Tracking grid voltage change are that can reach the purpose of parallel running.
The current sensor 7 is set in circuit different in power grid 6, and passes through transmission cable and grid-connected energy storage machine 2
Connection.
The present embodiment the utility model has the advantages that the first DC/DC41, DC/AC42 and 43 inverter of alternating current filter work together, not by
The influence of module difference and screening shadow between group string, while reducing photovoltaic module Best Point and the unmatched situation of inverter, thus
Generated energy is increased, the 2nd DC/AC exchanges work with the first DC/DC as stand-by equipment, guarantees the long-term efficient operation of equipment.
Embodiment three:
The photovoltaic building 1 includes support base 11, mounting plate 12, ventilative board 13, BIPV component 14, barn door 15, photosensitive
Sensor 16, hinged block 17, hydraulic lifting arm 18 and pedestal 19,11 quantity of support base are set as multiple, the support base
11 tops are equipped with mounting plate 12, and ventilative board 13 is equipped at the top of the mounting plate 12, is equipped with BIPV component at the top of the ventilative board 13
14,12 two sides of mounting plate are equipped with barn door 15, and the barn door 15 is shaped to arc-shaped, the top of barn door 15
Portion is equipped with photosensitive sensor 16, and 11 bottom of support base is uniformly provided with hinged block 17, and 17 bottom of hinged block is equipped with hydraulic
Elevating lever 18, the hydraulic lifting arm 18 is hinged with hinged block 17, and 18 bottom of hydraulic lifting arm is fixed with pedestal 19.
The utility model has the advantages that by BIPV component 14 and vent air interlayer ventilative board 13, this way can reduce the present embodiment
Air-conditioning refrigeration duty, while incident photon-to-electron conversion efficiency is improved, while photosensitive sensor 16 detects both ends brightness, hydraulic lifting arm 18 can
To push support base 11 in inclined-plane, makes the one side that BIPV component 14 is more sufficient towards sunlight, improve whole transfer efficiency.
Working principle of the present invention:
Referring to Figure of description 2: by BIPV component 14 and vent air interlayer ventilative board 13, this way can reduce sky
Refrigeration duty is adjusted, while improving incident photon-to-electron conversion efficiency, while photosensitive sensor 16 detects both ends brightness, hydraulic lifting arm 18 can be with
Pushing support base 11 is in inclined-plane, makes the one side that BIPV component 14 is more sufficient towards sunlight, improves whole transfer efficiency；
Referring to Figure of description 1: grid-connected energy storage machine 2 can store generated energy that can be extra, improve ratio of generating power for their own use, answer
Generate power for their own use for photovoltaic be unable to surplus online, personal electricity price than rate for incorporation into the power network price very much, wave crest electricity price than popin electricity price
The expensive application places such as very much, when solar power is less than bearing power, system is powered together by solar energy and power grid, works as the sun
When energy power is greater than bearing power, a part of powering load of solar energy, a part is stored by controller, will disperse energy
Source is converted to electric energy on the spot, then the local load of supply nearby.The autonomous system for realizing self-contr ol, protection and management, both may be used
It, can also be with isolated operation to be incorporated into the power networks with external electrical network；
It is worked together referring to Figure of description 1 and Fig. 3: the one DC/DC41, DC/AC42 and 43 inverter of alternating current filter,
Module difference and screening shadow are not influenced between by group string, while reducing photovoltaic module Best Point and the unmatched situation of inverter,
To increase generated energy, the 2nd DC/AC exchanges work with the first DC/DC as stand-by equipment, guarantees the long-term efficient of equipment
Work.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of power supply system of photovoltaic building, including photovoltaic building (1), it is characterised in that: the photovoltaic building (1) passes through defeated
Power grid is connected with grid-connected energy storage machine (2), and the grid-connected energy storage machine (2) is communicated with battery (3) by conductive mesh, the grid-connected storage
Energy machine (2) is communicated with gird-connected inverter (4) and load balancing (5) by power supply network, and the gird-connected inverter (4) passes through power distribution network
It is communicated with power grid (6), the load balancing (5) is connected to power grid (6) by transmission cable, the power grid (6) and parallel network reverse
Between device (4) multiple current sensors (7) are installed on power distribution network.
2. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: photovoltaic building (1) packet
Include support base (11), mounting plate (12), ventilative board (13), BIPV component (14), barn door (15), photosensitive sensor (16), hinge
Block (17), hydraulic lifting arm (18) and pedestal (19) are connect, support base (11) quantity is set as multiple, the support base (11)
Top is equipped with mounting plate (12), is equipped with ventilative board (13) at the top of the mounting plate (12), is equipped at the top of the ventilative board (13)
BIPV component (14), mounting plate (12) two sides are equipped with barn door (15), and the barn door (15) is shaped to circular arc
Shape, barn door (15) top are equipped with photosensitive sensor (16), and support base (11) bottom is uniformly provided with hinged block (17),
Hinged block (17) bottom is equipped with hydraulic lifting arm (18), and the hydraulic lifting arm (18) and hinged block (17) are hingedly, described
Hydraulic lifting arm (18) bottom is fixed with pedestal (19).
3. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: the grid-connected energy storage machine (2)
Inside is equipped with DC filter, PCS bidirectional converter, intelligent toggle switch, CPU processor and wireless data transfer module.
4. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: the gird-connected inverter (4)
Including the first DC/DC (41), DC/AC (42), alternating current filter (43) and the 2nd DC/AC (44), the first DC/DC (41) with
Grid-connected energy storage machine (2) series connection, the first DC/DC (41) outside are in series with DC/AC (42) and alternating current filter (43), institute respectively
It states and is equipped with intelligent toggle switch between the first DC/DC (41) and DC/AC (42), the DC/AC (42) and alternating current filter (43)
Between be equipped with intelligent toggle switch, the 2nd DC/AC (44) is parallel between grid-connected energy storage machine (2) and the first DC/DC (41),
2nd DC/AC (44) is series between the first DC/DC (41) and DC/AC (42).
5. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: the gird-connected inverter (4)
In parallel with power grid (6), the gird-connected inverter (4) output is used as current source, the gird-connected inverter (4) and power grid (6) and
Connection can regard the parallel operation of current source and voltage source as, and output current frequency, the phase of inverter need to be only controlled in grid-connected work
Tracking grid voltage change is that can reach the purpose of parallel running.
6. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: load balancing (5) packet
DC load and AC load are included, the photovoltaic building (1) converts the solar into electric energy in the case where there is illumination, by simultaneously
Net energy storage machine (2) is powered to DC load, while being charged to battery (3)；When there is no light, grid-connected storage is given by battery (3)
Energy machine (2) is powered, then AC load is given to power, and completes entire process of powering.
7. a kind of power supply system of photovoltaic building according to claim 1, it is characterised in that: the current sensor (7)
It is set in circuit different in power grid (6), and is connected to by transmission cable with grid-connected energy storage machine (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975170.XA CN109193896A (en) | 2018-08-24 | 2018-08-24 | A kind of power supply system of photovoltaic building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975170.XA CN109193896A (en) | 2018-08-24 | 2018-08-24 | A kind of power supply system of photovoltaic building |
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| CN109193896A true CN109193896A (en) | 2019-01-11 |
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| CN104319816A (en) * | 2014-11-17 | 2015-01-28 | 合肥工业大学 | Optical storage alternating current and direct current hybrid micro-grid system and control method thereof |
| CN205212446U (en) * | 2015-10-14 | 2016-05-04 | 嘉兴金尚节能科技有限公司 | Single -phase photovoltaic grid -connected inverter controlling means |
| CN206452344U (en) * | 2017-02-23 | 2017-08-29 | 潘召韬 | A kind of solar energy photovoltaic generator for preventing that high temperature from burning out |
-
2018
- 2018-08-24 CN CN201810975170.XA patent/CN109193896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155358A (en) * | 2010-12-30 | 2011-08-17 | 张文迅 | Light-gathering wind and light complementary power station with automatic sun tracking function and maximum power point tracking function |
| CN102882414A (en) * | 2012-09-26 | 2013-01-16 | 浙江昱能光伏科技集成有限公司 | Off-grid direct-current-to-alternating-current system |
| CN104319816A (en) * | 2014-11-17 | 2015-01-28 | 合肥工业大学 | Optical storage alternating current and direct current hybrid micro-grid system and control method thereof |
| CN205212446U (en) * | 2015-10-14 | 2016-05-04 | 嘉兴金尚节能科技有限公司 | Single -phase photovoltaic grid -connected inverter controlling means |
| CN206452344U (en) * | 2017-02-23 | 2017-08-29 | 潘召韬 | A kind of solar energy photovoltaic generator for preventing that high temperature from burning out |
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Application publication date: 20190111 |