CN208386480U - Multi-power system for photovoltaic cell control - Google Patents
Multi-power system for photovoltaic cell control Download PDFInfo
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- CN208386480U CN208386480U CN201820452702.7U CN201820452702U CN208386480U CN 208386480 U CN208386480 U CN 208386480U CN 201820452702 U CN201820452702 U CN 201820452702U CN 208386480 U CN208386480 U CN 208386480U
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- 238000007600 charging Methods 0.000 claims abstract description 15
- 230000005669 field effect Effects 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
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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
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
- H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
- Control Of Electrical Variables (AREA)
Abstract
A kind of multi-power system allows the first power supply to be the diode of second source charging including the first power supply, with the first power supply of electrical energy drive of the second source of the first power sources in parallel and prevention second source.The system further includes the controller for being operably coupled to the first power supply and second source and multiple field effect transistors (FET) with one or more series connections in the first power supply, second source and load, and wherein controller can convert multiple FET and enable the first power supply to drive load or second source be enabled to drive load.
Description
Technical field
The utility model relates to a kind of double power-supply system and control algolithm, which power supply which is applied to for determination
Load.Particularly, the utility model relates to solar energy systems, and relate more particularly to self-powered solar tracking system and too
The control system and algorithm to drive sun tracker are converted between positive energy and battery power.
Background technique
In dual power supply and multi-power system, many power supply control solutions have been developed.In sun tracker scheme
In, especially in self-powered sun tracker scheme, as submitting on December 15th, 2016, it is jointly owned it is entitled " from
Power solar tracking device device ", described in the United States Patent (USP) of Publication No. 2016/0308488, develop certain controls
System processed.One of control system, which determines, to be applied to the power resources of driving motor, which chases after
The track sun, to ensure that solar panel is positioned as generating energy to the maximum extent.A source being able to use is solar energy
The electric power that battery component generates.In general, this solar cell module distributes the electricity for being used only for generating driving motor in particular
Energy.Single panel, even relatively small panel is typically enough to driving motor, this may only need daily about 15W (usually every
Between its about 10W and 25W) drive sun tracker.To a certain extent, the load of this very little be to sun follower from
The proof of the balance of body and high-precision engineering, by balance and reduction system in friction greatly reduce mechanical load.
Although the load of system is relatively low, when having some, energy caused by special solar battery is not enough to
Driving motor.For example, this may occur when system follows and falls back to morning starting position day.Or when the sun is hidden by cloud layer
Lid and when solar panel can not generate enough power and carry out driving motor, this may occur.In these cases, using battery
Drive sun tracker.It should be understood that the ability converted between two energy supplying systems (i.e. solar panel or battery)
It is the important feature of any such system.Although having developed the system for supporting this conversion, always need improve and
More efficient system.
Summary of the invention
The utility model relates to a kind of multi-power system, including the first power supply, with the second source of the first power sources in parallel and
It prevents the first power supply of electrical energy drive of second source and the first power supply is allowed to be the diode of second source charging.The system is also wrapped
It includes and is operably coupled in the controller and the first power supply of the first power supply and second source, second source and load
One or more be connected in series multiple field effect transistors (FET), wherein controller can convert multiple FET make first electricity
Source can drive load or second source is enabled to drive load.
First power supply can be solar panel array, such as the sun tracker of multiple solar panels composition.Load can
For for driving the driving motor of sun tracker.Second source can be battery.
The system further includes comparing multiple proportional-integral derivative controllers of the output of the first power supply and second source.This
Outside, multiple FET can be two FET operated with opposite way.One aspect according to the present utility model, the system further include with
The concatenated inductor of second source, wherein the FET be set as by by the sense of current at inductor both ends control for negative value come
It is charged by the first power supply to second source.Alternatively or additionally, the system further include with the concatenated inductor of second source,
Wherein FET is set as by causing the first power supply to power to the load for the sense of current control at inductor both ends is positive value.
In addition, the system include with the concatenated inductor of second source, wherein being broken by making the current direction zero at inductor both ends
Second source is opened to be electrically connected with load.
Alternatively or additionally, which can further include the capacitor in parallel with load motor.In addition, when busbar electricity
It forces down when low voltage threshold, adjusts multiple FET and the first power supply is charged to second source.Further, when busbar electricity
When pressure is higher than high voltage threshold, multiple FET are unavailable.In addition, when Bus Voltage high voltage threshold and low voltage threshold it
Between when, charged state is detected on second source, in this case, charged state indicate second source electricity it is low, then adjust
Saving multiple FET makes the first power supply charge to second source.
Detailed description of the invention
The various aspects of the utility model are described referring to the drawings, these attached drawings are incorporated to and constitute the one of this specification
Part, wherein
Fig. 1 shows self-powered solar tracking system according to the present utility model；
Fig. 2 shows the detailed views of the driving mechanism of self-powered sun tracker according to the present utility model；
Fig. 3 shows the schematic diagram of the control system of self-powered sun tracker according to the present utility model；
Fig. 4 shows the schematic diagram of multi-power system according to the present utility model；
Fig. 5 shows the hardware elementary diagram of Fig. 4, the details including bidirectional electric energy control circuit according to the present utility model；
Fig. 6 shows control principle drawing associated with Fig. 4 and Fig. 5 according to the present utility model；And
Fig. 7 shows the logical flow chart of control algolithm according to the present utility model.
Specific embodiment
The utility model relates to the system and method for controlling double power-supply system, and whereby single load can be by two independences
Power supply either individually or collectively drives, although usually providing energy driving motor using photovoltaic (solar energy) plate and battery herein
It is described in the case where the self-powered sun tracker for rotating tracker component, but system described herein, circuit
All there are two power supplys under any circumstance for figure and algorithm.Particularly, when a power supply be will the preferred power supply that use and system exists
When delay should hardly occur when conversion to another power supply, the system and algorithm of the utility model are highly useful.This is practical new
Another use environment of type is in solar power plant region, which is connected to large-scale power grid, and can with can use
It is associated in the large-sized battery pack for providing electric energy to power grid when solar panel is unable to meet demand.On March 31st, 2017
Jointly owned entitled " the standard energy-storing container platform " submitted is instructed in the United States Patent (USP) of Publication No. 2017/0288184
Accumulator box, entitled " the dc-battery group string for standard energy storage enclosure platform ", application serial 15/872,
Battery and photovoltaic system for being connected to the controller and system of energy net by 071 US patent teaches.This two references
Document is both incorporated herein by reference.Need other dual power supply energy systems for monitoring and converting between energy supply system
In the scope of the utility model.
Fig. 1 shows solar tracking system 10, is usually deployed as a part of bigger array.Each tracker 10 includes
Multiple photovoltaic panels 12 (solar panel).14 drive shaft 15 of motor, solar panel 12 are fixed on the axis 15.Pass through driving
Axis 14, solar panel 12 and the sun keep angle appropriate to ensure maximum generated energy.Axis 15 is suspended in motor 14 and swings
Between bracket or runing rest 16.Motor 14 and runing rest 16 are both supported upon in upright bar 18.
Fig. 2 shows the regions of the tracking system 10 near motor 14.As can be seen that dedicated driving solar panels 20 are located at
Motor 14 nearby and by axis 15 supports.Case 22 is suspended on the downside or installation upright bar 18 of axis 15.Case 22 accommodates battery 24
Such as lithium ion (Li-ion) battery and controller 26.Controller 26 provides input to motor 14, which is about whether drive
Moving axis 15 and by axis 15 driving how far, so that panel 12 be enable to track the sun.
It can be seen that an example of controller 26 in Fig. 3.Controller 26 includes control zone 28, and control zone 28 accommodates
Communication component 30 (such as wireless personal area network, WLAN, bluetooth etc.), inclinator 32 and master controller (MCU) 34.Main control
Device 34 is communicated with battery charger 36 to control the charging of battery 24, and the motor drive controller with the driving of control motor 14
40 communications.As shown in figure 3, solar panel 20 provides electric power to battery charger 36, which sentences according to master controller 34
It is disconnected to be perhaps directed to battery 24 and charge or be directed to boost converter 38 to be applied to motor 14, and actually draw
Electrizer 14 drives.Master controller 34 is also based on the input from solar panel 20 whether not to determine the energy of supply
It is enough driving motor 14, and enables to the energy stored in battery 24 that will be used for the purpose.
Fig. 4 is the high-level schematic diagram supplied according to the dual power supply of the utility model, can be used for replace Fig. 3 in component or
In conjunction with the component in Fig. 3.Solar panel 20 passes through central busbar 42 with battery 24 and is connected in parallel.Load (such as motor
14) it is also connected in parallel with central busbar 42.Controller (such as master controller 34) is received from each solar panel 20, electricity
The input in pond 24 and busbar 42.Based on these input, master controller 34 can be determined whether the output using solar panel 20,
The ratio of each output applied by the output driving motor 14 and driving motor 14 of battery 24 is come.Further, controller
It can be determined when as the charging of battery 24.Target is to be able to use solar panel 20 or battery 24 without the drive of middle power machine 14
It is dynamic.As will be described in more detail, the signal from master controller 34 is input into bidirectional electric energy converter 44 to realize and
From the required output of solar panel 20, battery 24 or both, or realize the charging of battery 24.
Fig. 5 is the hardware elementary diagram of system shown in Fig. 4.Solar panel 20 provide to central busbar 42 (by
Capacitor C1 indicate) output.A pair of of field effect transistor (FET) 46 and 48 is for selectively allowing electric current to flow into and from electricity
Pond 24 is flowed out, or electric current is prevented to flow out from battery 24.Solar panel 20 is always supplied to central busbar 42 and motor 14
Any electric current for answering it to generate.Based on the determination of master controller 34, this opens or closes FET46 and 48 is filled with regulating cell 24
Piezoelectric voltage, the electric discharge of battery 24 or removes battery 24 from circuit.This beats FET46 and 48 with the rate of such as 50KHz
On or off is closed, (such as pulse), to complete these three states.
When determining that battery is fully charged, and solar panel 20 provides enough electric drive motors 14, and controller 34 will
This is controlled to by the average duty cycle of the FET46 of pulse and 48, so that solar panel 20 is mainly provided to motor 14
Electric power simultaneously provides limited charging to battery 24, keeps the fully charged of battery 24 with appropriate.In this way, the charging of battery and putting
Electricity circulation can minimize and improve the life expectancy of battery.Particularly, battery 24 discontinuously charges from solar panel 20,
And and if only if determine that battery 24 discharges when solar panel 20 does not provide enough electric power (electric current) driving motor 14.If battery
24 chargings and the enough power of solar panel offer, then battery 24 is substantially removed from discharge circuit, to prevent its electric energy
It is unexpected to reduce.
Fig. 6 is control principle drawing, shows the charging, electric discharge and removal for providing to FET46,48 and inputting and control battery 24
Required logic.In Fig. 6, such as the output voltage by solar panel 20 determined using MPPT maximum power point tracking (MPPT)
It is compared with the reference voltage provided by master controller, to determine which is larger in min/max selector 51.This is most
The output of small/MAXIMUM SELECTION device 51 is then compared in comparator 52 with reference voltage.The output of comparator 52 is entered
To PID (proportional-integral-differential) controller 54.Then the output of PID controller is provided to min/max selector 56.
At the same time, it in the case where the output of above-mentioned solar panel 20 determines, carries out about battery 24 similar to really
It is fixed.The voltage and reference voltage of battery 24 are compared in comparator 58.The output of comparator 58 passes through the second PID controller
60.The output of comparator 58 is also provided to min/max selector 56.The min/max selector 56 compares PID controller 60
Output and PID controller 54 output, wherein biggish value is provided as the input of comparator 62.Then comparator 62 should
Value is compared with the electric current of battery 24.The electric current of battery 24 is measured at inductor 25.Positive current instruction at inductor 25
Battery 24 is discharging, and negative current means that battery 24 is charging.The result of value from comparator 62 is fed to PID
Controller 64 is to drive this to FET 46 and 48, so that battery 24 is suitably charged, discharges or removed from circuit with suitably
Maintain battery 24.
It, can be using the second algorithm described in Fig. 7 come really different from monitoring the output of solar panel 20 and battery 24
Determine the state of FET 46 and 48.As shown in fig. 7, the voltage of monitoring busbar 42.Referring to Fig. 5, the voltage of busbar 42 is capacitor
The voltage at the both ends device C1.
In the external loop-around of the figure, solar panel 20 and battery 24 are in the enough electricity of the both ends (C1) of busbar 42 offer
Pressure.The voltage of busbar 42 persistently monitors 71 by controller 34.If measured 42 voltage of busbar is lower than low voltage threshold
(for example, being arranged lower than MPPT (maximum power point voltage), then 42 voltage of busbar adjusts 72 to FET 46 and 48 by this to voltage.
First FET 46 and the 2nd FET 48 is by controller 34 with the rate pulse of such as 50KHz to MPPT voltage.If measured
42 voltage of busbar is higher than high voltage threshold, this unavailable to FET 46 and 48 74, and controller 34 checks the electricity of busbar 42
Whether pressure is 74 between 24 voltage of low Bus Voltage and battery.If 42 voltage of busbar is not in low Bus Voltage and battery
74 between 24 voltage, then this unavailable to FET 46 and 48 74, and controller 34 return to monitoring mode 71.If confluence
The voltage of item 42 is between 24 voltage of low Bus Voltage threshold value and battery, then FETS can adjust 72 busbar, 42 voltage.
If 42 voltage of busbar is between high voltage threshold and low voltage threshold, controller 34 is checked whether to check battery 24
Fully charged 73.If battery 24 is without fully charged, controller 34 enables this to FET 46 and 48 in MPPT voltage tune
Save 42 voltage 72 of busbar.If battery 24 is completely charged, this unavailable to FET46 and 48 74, and controller 34 returns
Return monitoring mode 71.In this way, 42 voltage of busbar can keep relative constant.This means that photovoltaic energy, battery energy
Amount and loading demand are in equilibrium state.In addition, once battery 24 is fully charged and solar panel 20 is at 42 liang of busbar
End provides enough voltage, and circulation of the battery 24 between charging and discharging can be minimized.By changing the first FET46 and the
The average duty cycle of two FET48 controls the charging and discharging.In addition, can be inspected periodically during charging with uncharged period
Battery 24 gets out and can satisfy when needed the demand of motor 14 to ensure it.
Although having been illustrated with some embodiments of the utility model in the accompanying drawings, the utility model is not limited to
This, and it is same as the range that this field allows wide to be intended to the scope of the utility model, specification is also same.Above-mentioned implementation
Any combination of example has also been imagined and in scope of the appended claims.Therefore, above description is not construed as
Limitation, and it is merely possible to the example of specific embodiment.Those skilled in the art want other modifications expected in appended right
In the range of asking.
Claims (14)
1. a kind of multi-power system, comprising:
First power supply；
With the second source of the first power sources in parallel；
It prevents the first power supply of electrical energy drive of second source and the first power supply is allowed to be the diode of second source charging；
It is operably coupled to the controller of the first power supply and second source；And
The multiple field effect transistors being connected in series with the one or more in the first power supply, in second source and load, wherein
Controller can convert multiple field effect transistors and enable the first power supply to drive load or second source be driven
Dynamic load.
2. multi-power system according to claim 1, which is characterized in that first power supply is solar panel array.
3. multi-power system according to claim 2, which is characterized in that first power supply is by multiple solar panels
The sun tracker of composition.
4. multi-power system according to claim 3, which is characterized in that the load is for driving sun tracker
Driving motor.
5. multi-power system according to claim 1, which is characterized in that the second source is battery.
6. multi-power system according to claim 1, further include compare the first power supply and second source output it is multiple
Proportional-integral derivative controller.
7. multi-power system according to claim 1, which is characterized in that multiple field effect transistors include with opposite way
Two field effect transistors of operation.
8. multi-power system according to claim 7 further includes and the concatenated inductor of second source, the wherein field-effect
Transistor is set as charging to second source for the first power supply of negative value cause by controlling the sense of current at inductor both ends.
9. multi-power system according to claim 7 further includes and the concatenated inductor of second source, the wherein field-effect
Transistor is set as by being positive value the first power supply of cause to load supplying by the sense of current control at inductor both ends.
10. multi-power system according to claim 7, further include with the concatenated inductor of second source, wherein by making
The current direction at inductor both ends be zero come disconnect second source with load be electrically connected.
11. multi-power system according to claim 7, further includes the capacitor in parallel with load monitor, feature exists
In the Bus Voltage that monitoring passes through capacitor.
12. multi-power system according to claim 11, which is characterized in that when Bus Voltage is lower than low voltage threshold
When, it adjusts multiple field effect transistors and the first power supply is charged to second source.
13. multi-power system according to claim 11, which is characterized in that when Bus Voltage is higher than high voltage threshold
When, multiple field effect transistors are unavailable.
14. multi-power system according to claim 11, which is characterized in that when Bus Voltage high voltage threshold with it is low
When between voltage threshold, charged state is detected on second source, in this case, charged state indicates second source electricity
It is low, it then adjusts multiple field effect transistors and the first power supply is charged to second source.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452702.7U CN208386480U (en) | 2018-04-02 | 2018-04-02 | Multi-power system for photovoltaic cell control |
| AU2019248465A AU2019248465B2 (en) | 2018-04-02 | 2019-03-26 | Multi-power source systems for photovoltaic battery control |
| EP19781235.7A EP3776803A4 (en) | 2018-04-02 | 2019-03-26 | Multi-power source systems for photovoltaic battery control |
| PCT/US2019/024098 WO2019195031A1 (en) | 2018-04-02 | 2019-03-26 | Multi-power source systems for photovoltaic battery control |
| AU2021273521A AU2021273521B2 (en) | 2018-04-02 | 2021-11-22 | Multi-Power Source Systems for Photovoltaic Battery Control |
| AU2023226648A AU2023226648A1 (en) | 2018-04-02 | 2023-09-05 | Multi-Power Source Systems for Photovoltaic Battery Control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452702.7U CN208386480U (en) | 2018-04-02 | 2018-04-02 | Multi-power system for photovoltaic cell control |
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| Publication Number | Publication Date |
|---|---|
| CN208386480U true CN208386480U (en) | 2019-01-15 |
Family
ID=64975597
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820452702.7U Active CN208386480U (en) | 2018-04-02 | 2018-04-02 | Multi-power system for photovoltaic cell control |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3776803A4 (en) |
| CN (1) | CN208386480U (en) |
| AU (3) | AU2019248465B2 (en) |
| WO (1) | WO2019195031A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350855A (en) * | 2018-04-02 | 2019-10-18 | 耐克斯特拉克尔有限公司 | Multi-power system for photovoltaic cell control |
| CN111082536A (en) * | 2019-12-12 | 2020-04-28 | 浙江大学台州研究院 | Stable high-voltage induction electricity taking device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023239661A1 (en) * | 2022-06-06 | 2023-12-14 | Nevados Engineering, Inc. | Pony module for solar tracker |
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2018
- 2018-04-02 CN CN201820452702.7U patent/CN208386480U/en active Active
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2019
- 2019-03-26 WO PCT/US2019/024098 patent/WO2019195031A1/en unknown
- 2019-03-26 AU AU2019248465A patent/AU2019248465B2/en active Active
- 2019-03-26 EP EP19781235.7A patent/EP3776803A4/en active Pending
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2021
- 2021-11-22 AU AU2021273521A patent/AU2021273521B2/en active Active
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2023
- 2023-09-05 AU AU2023226648A patent/AU2023226648A1/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350855A (en) * | 2018-04-02 | 2019-10-18 | 耐克斯特拉克尔有限公司 | Multi-power system for photovoltaic cell control |
| CN110350855B (en) * | 2018-04-02 | 2022-03-04 | 耐克斯特拉克尔有限公司 | Multi-power supply system for photovoltaic cell control |
| CN111082536A (en) * | 2019-12-12 | 2020-04-28 | 浙江大学台州研究院 | Stable high-voltage induction electricity taking device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019195031A1 (en) | 2019-10-10 |
| AU2021273521A1 (en) | 2021-12-16 |
| AU2023226648A1 (en) | 2023-09-21 |
| AU2021273521B2 (en) | 2023-06-08 |
| AU2019248465B2 (en) | 2021-10-07 |
| EP3776803A1 (en) | 2021-02-17 |
| EP3776803A4 (en) | 2022-01-26 |
| AU2019248465A1 (en) | 2020-10-08 |
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