CN108879920A - A kind of pressure photovoltaic cogeneration super capacitor energy storage control system - Google Patents
A kind of pressure photovoltaic cogeneration super capacitor energy storage control system Download PDFInfo
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- CN108879920A CN108879920A CN201810805141.9A CN201810805141A CN108879920A CN 108879920 A CN108879920 A CN 108879920A CN 201810805141 A CN201810805141 A CN 201810805141A CN 108879920 A CN108879920 A CN 108879920A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of pressure photovoltaic cogeneration super capacitor energy storage control systems, including pressure photovoltaic cogeneration unit, it is depressured control unit, super capacitor, second voltage detection unit, timesharing pulse width modulation controlled unit and first voltage detection unit, first voltage detection unit obtains the output voltage of pressure electricity-generating unit and photovoltaic generation unit and sends timesharing pulse width modulation controlled unit to, the detection of second voltage detection unit obtains the busbar voltage of super capacitor and sends timesharing pulse width modulation controlled unit to, according to the different conditions of pressure electricity-generating and photovoltaic power generation, timesharing pulse width modulation controlled unit is according to the output voltage of pressure electricity-generating unit, the output voltage of photovoltaic generation unit and the busbar voltage control decompression control unit of super capacitor, pressure photovoltaic cogeneration unit is charged by decompression control unit to super capacitor.The present invention can ensure that the stable absorption of pressure photovoltaic cogeneration unit generated energy, reaches solar energy and kinetic energy recycles purpose simultaneously.
Description
Technical field
The present invention relates to a kind of pressure photovoltaic combined generating systems, combine more specifically to a kind of pressure photovoltaic and send out
Electricity super capacitor energy-storing control system, belongs to field of new energy generation.The present invention is suitable for solar energy can return simultaneously with kinetic energy
Receive the application utilized.
Background technique
Pressure photovoltaic combined power generation device generates charge under the effect of external force alternation, while energy will too under sunlight irradiation
Sun can be converted into electric energy, have the features such as small in size, structure is simple, and integrated level is high, no electromagnetic interference, can be laid on walking
The road surfaces such as street, garage exit/entry, highway collect the kinetic energy in pedestrian and car running process, and absorb solar energy, meet
The principles and policies of various countries' new energy development, have a good application prospect in off-grid type pressure photovoltaic combined power generation device.
It is since the quick and amplitude of pressure photovoltaic cogeneration changes characteristics, collection and the storage for the electric energy that generates electricity such as violent
Pressure photovoltaic combined power generation device is a problem for needing to solve, while pressure and the design of the structure of photovoltaic cogeneration are to need
Another to be solved problem, how quickly, stable collection pressure photovoltaic cogeneration electric energy, while structure is simple, integrates
Degree height is the technical problem that those skilled in the art are facing.
In order to guarantee that super capacitor can adapt to the variation of pressure photovoltaic cogeneration unit output voltage, while considering super
The busbar voltage of grade capacitor, needs design pressure photovoltaic combined power generation device structure and its energy storage control system.Pressure photovoltaic connection
The research and development of generating device structure and its energy storage control system are closed, are filled for this generation of electricity by new energy of pressure photovoltaic cogeneration
Set the new path of the acquisition of energy, explorative research.
Summary of the invention
The purpose of the present invention is to provide a kind of pressure photovoltaic cogeneration structure and super capacitor energy storage control systems, adopt
With technical solution of the present invention, pass through the electricity for turning on and off control pressure photovoltaic cogeneration unit of decompression control unit
Pressure, the electric energy exported by super capacitor absorption pressure photovoltaic cogeneration unit, sufficiently in conjunction with combined power generation device power generation
The momentary high power absorption characteristic of rapidity and super capacitor, and consider the charging and busbar voltage requirement of super capacitor, it is inhaling
Guarantee that super capacitor busbar voltage in operational envelope, meets system while receiving pressure electricity-generating electric energy and photovoltaic power generation electric energy
Safety and stability of uniting requires, and reaches solar energy and kinetic energy recycles purpose simultaneously, solar power generation is as pressure electricity-generating
Effective supplement, promote whole generated energy, pressure photovoltaic cogeneration uses integrated design, makes full use of whole sky
Between, stock utilization is improved, energy storage control system running frequency is high, small from being lost, and is suitable for off-grid type pressure photovoltaic joint hair
The applications such as the energy absorption of electric installation.
In order to achieve the above objectives, technical solution provided by the invention is:
A kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention, including pressure photovoltaic cogeneration
Unit, decompression control unit, super capacitor, timesharing pulse width modulation controlled unit, the timesharing pulse width modulation controlled unit obtain
The output voltage of pressure photovoltaic cogeneration unit and the busbar voltage of super capacitor are obtained, and according to the electricity of pressure electricity-generating unit
The busbar voltage control decompression control unit of pressure, the voltage of photovoltaic generation unit and super capacitor, the pressure photovoltaic joint
Generator unit is charged by decompression control unit to super capacitor.
It further, further include first voltage detection unit and second voltage detection unit, the first voltage detection
Unit obtains the output voltage of pressure photovoltaic cogeneration unit, and the second voltage detection unit obtains the mother of super capacitor
Line voltage simultaneously sends pwm unit to, when the output voltage of pressure photovoltaic cogeneration unit is greater than the bus of super capacitor
When voltage, the output voltage of pressure photovoltaic cogeneration unit sends pwm unit to.
Further, including pressure photovoltaic cogeneration element Upg, rectification circuit, switching tube k2, diode D1, inductance L
With super capacitor Usu, the pressure photovoltaic cogeneration element Upg, switching tube k2, inductance L, super capacitor Usu, pressure electricity-generating member
Part UsuIt is in turn connected into closed circuit, the pressure photovoltaic cogeneration element UpgBoth ends be connected with rectification circuit, the electricity
Feel the input terminal and pressure photovoltaic cogeneration element U of LpgInput terminal between be provided with diode D1。
Further, the pressure photovoltaic cogeneration element includes pressure electricity-generating element and photovoltaic power generation element, wherein
The pressure electricity-generating element UpgIt is formed by m group branch by parallel combination, that is, Upg,11To Upg,n1Total n unit shape
At first group of series arm, Upg,12To Upg,n2Total n unit forms second group of series arm, Upg,1mTo Upg,nmTotal n unit shape
At m group series arm;
The photovoltaic power generation element UpvIt is formed by m group branch by parallel combination, that is, Upv,11To Upv,n1Total n unit shape
At first group of series arm, Upv,12To Upv,n2Total n unit forms second group of series arm, Upv,1mTo Upv,nmTotal n unit shape
At m group series arm.
Further, the pressure photovoltaic cogeneration unit uses frame-type integral structure, and upper layer is photovoltaic hair
Electricity, lower layer are pressure electricity-generating, form pressure and integrated photovoltaic structure, while the energy of absorption pressure energy and sunlight.
Further, in the pressure photovoltaic cogeneration unit shape of piezoelectricity and photovoltaic be include it is rectangular, round, three
Angular geometry.
Further, the control method of the decompression control unit is:
(a) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in 0~TonIn period, rectified circuit, t
=0 moment, switching tube k2Conducting, pressure photovoltaic cogeneration element UpgOutput voltage passes through switching tube k2It is added to inductance L and surpasses
Grade capacitor UsuOn, diode D1Cut-off;The pressure photovoltaic cogeneration element U in a switch periodspgOutput voltage is kept not
Become, by the electric current in inductance L to super capacitor UsuCharging;
(b) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TonMoment, switching tube k2Shutdown, inductance
L passes through diode D1Afterflow, and to super capacitor UsuCharging;
(c) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TsMoment, switching tube k2It is connected again, after
Continue to super capacitor UsuCharging.
Further, when pressure photovoltaic cogeneration unit output voltage dynamic change, the TonMoment is with pressure
Power photovoltaic cogeneration unit output voltage amplitude size and change, and in pressure electricity-generating and T when photovoltaic power generationonValue is different,
Moment TonValue is less than TsValue, TsIt is constant, switching tube k1Service time be 0~Ton。
Further, the quantity of the pressure electricity-generating element in pressure photovoltaic cogeneration unit and photovoltaic power generation element, material
Material, arrangement, shape are determine according to actual needs;The output voltage and stress of pressure photovoltaic cogeneration unit are according to actual needs
It determines.
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention, by being depressured control unit
Turn on and off control pressure photovoltaic cogeneration unit output voltage, meet the charging requirement of super capacitor, ensure that
Effective charging of the pressure photovoltaic cogeneration unit to super capacitor sufficiently combines the rapidity of combined power generation device power generation and surpasses
The momentary high power absorption characteristic of grade capacitor, and consider the voltage of pressure electricity-generating unit and the voltage of photovoltaic generation unit, energy storage
Control system running frequency is high, small from being lost, the application such as energy absorption suitable for off-grid type pressure photovoltaic combined power generation device
Occasion;
(2) a kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention, pressure photovoltaic joint hair
Electric unit uses integral structure, and upper layer is photovoltaic power generation, lower layer is pressure electricity-generating, using unique Frame Design, forms pressure
Power and integrated photovoltaic structure, can simultaneously absorption pressure generate energy and sunlight energy, make full use of whole sky
Between, improve stock utilization;
(3) a kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention, decompression control unit
Control rule meets the charging requirement of super capacitor, has taken into account the busbar voltage range of operation of super capacitor, has met energy storage control
Security of system, stability and rapidity requirement.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention;
Fig. 2 is pressure photovoltaic cogeneration unit integral structure figure of the invention;
Fig. 3 is the pressure photovoltaic cogeneration element arrays figure of pressure photovoltaic cogeneration unit of the invention;
Fig. 4 is the photovoltaic power generation element arrays figure of photovoltaic generation unit of the invention;
Fig. 5 is decompression control unit circuit diagram of the invention.
Label declaration in schematic diagram:
1, pressure photovoltaic cogeneration unit;2, it is depressured control unit;3, super capacitor;4, second voltage detection unit;
5, timesharing pulse width modulation controlled unit;6, first voltage detection unit.
Specific embodiment
To further appreciate that the contents of the present invention, in conjunction with attached drawing, the present invention is described in detail.
A kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the invention passes through opening for decompression control unit
Logical and shutdown control pressure photovoltaic cogeneration unit voltage, passes through super capacitor absorption pressure power generation electric energy and photovoltaic power generation
Electric energy and consider pressure sufficiently in conjunction with the rapidity of combined power generation device power generation and the momentary high power absorption characteristic of super capacitor
The busbar voltage requirement of the voltage of power generator unit, the voltage of photovoltaic generation unit and super capacitor charging, in absorption pressure light
Guarantee that super capacitor busbar voltage in operational envelope, meets security of system, stabilization while lying prostrate cogeneration electric energy
Property and rapidity requirement, the applications such as energy absorption suitable for off-grid type pressure photovoltaic combined power generation device.
It is shown in Figure 1, a kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the present embodiment, including pressure
Photovoltaic cogeneration unit 1, decompression control unit 2, super capacitor 3, second voltage detection unit 4, timesharing pulse width modulation controlled
Unit 5 and first voltage detection unit 6, the rapidity and super capacitor which sufficiently combines combined power generation device to generate electricity
Momentary high power absorption characteristic, while consider super capacitor charging and busbar voltage requirement, absorption pressure photovoltaic combine
Generate electricity electric energy while guarantee super capacitor busbar voltage in operational envelope, meet security of system, stability and fast
Speed requirement.By first voltage detection unit 6 obtain according to the voltage of pressure electricity-generating unit, photovoltaic generation unit voltage simultaneously
It sends timesharing pulse width modulation controlled unit 5 to, the busbar voltage and biography of super capacitor 3 is obtained by second voltage detection unit 4
Timesharing pulse width modulation controlled unit 5 is given, timesharing pulse width modulation controlled unit 5 is defeated according to pressure photovoltaic cogeneration unit 1
The busbar voltage of voltage and super capacitor 3 control decompression control unit 2 out, pressure photovoltaic cogeneration unit 1 pass through decompression control
Unit 2 processed charges to super capacitor 3.
In the present embodiment, pressure photovoltaic cogeneration element includes pressure electricity-generating element and photovoltaic power generation element, wherein
The combined method of pressure electricity-generating element is:The pressure electricity-generating element UpgIt is formed by m group branch by parallel combination,
That is, Upg,11To Upg,n1Total n unit forms first group of series arm, Upg,12To Upg,n2Total n unit forms second group of series connection branch
Road, Upg,1mTo Upg,nmTotal n unit forms m group series arm;It is specific as shown in Figure 3;
The combined method of photovoltaic power generation element is:The photovoltaic power generation element UpvIt is formed by m group branch by parallel combination,
That is, Upv,11To Upv,n1Total n unit forms first group of series arm, Upv,12To Upv,n2Total n unit forms second group of series connection branch
Road, Upv,1mTo Upv,nmTotal n unit forms m group series arm;It is specific as shown in Figure 4.
The circuit structure of the present embodiment is as shown in figure 5, include pressure photovoltaic cogeneration element Upg, rectification circuit, switch
Pipe k2, diode D1, inductance L and super capacitor Usu, the pressure photovoltaic cogeneration element Upg, switching tube k2, it is inductance L, super
Grade capacitor Usu, pressure electricity-generating element UsuIt is in turn connected into closed circuit, the pressure photovoltaic cogeneration element UpgBoth ends connect
It is connected to rectification circuit, the input terminal and pressure photovoltaic cogeneration element U of the inductance LpgInput terminal between be provided with two poles
Pipe D1。
It is shown in Figure 2, a kind of pressure photovoltaic cogeneration super capacitor energy storage control system of the present embodiment, pressure
Photovoltaic cogeneration unit 1 uses integral structure, and upper layer is photovoltaic power generation, lower layer is pressure electricity-generating, using unique frame
Design forms pressure and integrated photovoltaic structure, can absorption pressure energy and sunlight simultaneously energy, make full use of entirety
Space, improve stock utilization.
In the present embodiment, decompression control unit is to the control method of the charging of super capacitor:
(a) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in 0~TonIt is single through decompression control in period
The rectification circuit of member, t=0 moment, switching tube k2Conducting, pressure photovoltaic cogeneration element UpgOutput voltage passes through switching tube k2
It is added on inductance L and super capacitor, diode D1Cut-off.The pressure photovoltaic cogeneration element U in a switch periodspgOutput
Voltage remains unchanged, and is charged by the electric current in inductance L to super capacitor.
(b) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TonMoment, switching tube k2Shutdown, inductance
L passes through diode D1Afterflow, and charge to super capacitor.When pressure photovoltaic cogeneration 1 output voltage dynamic change of unit,
The TonMoment changes with 1 output voltage amplitude size of pressure photovoltaic cogeneration unit, and in pressure electricity-generating and light
T when volt power generationonValue is different, moment TonValue is less than TsValue, TsIt is constant, switching tube k1Service time be 0~Ton。
(c) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TsMoment, switching tube k2It is connected again, after
Continue and charge to super capacitor, meets security of system and stability requirement, the energy suitable for off-grid type pressure photovoltaic cogeneration
The applications such as amount absorption.
In conclusion belonging to new the invention discloses a kind of pressure photovoltaic cogeneration super capacitor energy storage control system
Energy power field.Control system of the invention, including pressure photovoltaic cogeneration unit, decompression control unit, super capacitor,
Second voltage detection unit, timesharing pulse width modulation controlled unit and first voltage detection unit, pass through first voltage detection unit
The output voltage of pressure electricity-generating unit and photovoltaic generation unit is obtained respectively and sends timesharing pulse width modulation controlled unit to, is passed through
The detection of second voltage detection unit obtains the busbar voltage of super capacitor and sends timesharing pulse width modulation controlled unit to, according to pressure
The different conditions of power power generation and photovoltaic power generation, output voltage, light of the timesharing pulse width modulation controlled unit according to pressure electricity-generating unit
Lie prostrate the output voltage of generator unit and the busbar voltage control decompression control unit of super capacitor, pressure photovoltaic cogeneration unit
It is charged by decompression control unit to super capacitor.This energy storage control system collects pressure photovoltaic cogeneration by super capacitor
The electric energy of unit output is sufficiently absorbed in conjunction with the rapidity of combined power generation device power generation and the momentary high power of super capacitor special
Property, and consider the bus voltage value of the voltage of pressure electricity-generating unit, the voltage of photovoltaic generation unit and super capacitor, it is ensured that pressure
The stable absorption of photovoltaic cogeneration unit generated energy, reaches solar energy and kinetic energy recycles purpose simultaneously, can be used for from
Net formula pressure photovoltaic combined power generation device, effective supplement of the solar power generation as pressure electricity-generating promote whole generated energy, pressure
Power photovoltaic cogeneration uses integrated design, makes full use of whole space, improves stock utilization, it is new to meet countries in the world
The principles and policies of energy development.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system, including pressure photovoltaic cogeneration unit (1), drop
Press control unit (2), super capacitor (3), timesharing pulse width modulation controlled unit (5), the timesharing pulse width modulation controlled unit
(5) output voltage of pressure photovoltaic cogeneration unit (1) and the busbar voltage of super capacitor (3) are obtained, and according to pressure
Busbar voltage control decompression control unit (2) of the voltage of generator unit, the voltage of photovoltaic generation unit and super capacitor (3),
The pressure photovoltaic cogeneration unit (1) is charged by decompression control unit (2) to super capacitor (3).
2. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 1, it is characterised in that:
It further include first voltage detection unit (6) and second voltage detection unit (4), the first voltage detection unit (6) obtains
The output voltage of pressure photovoltaic cogeneration unit (1), the second voltage detection unit (4) obtain super capacitor (3)
Busbar voltage simultaneously sends timesharing pulse width modulation controlled unit (5) to, when the output voltage of pressure photovoltaic cogeneration unit (1) is big
When the busbar voltage of super capacitor (3), the output voltage of pressure photovoltaic cogeneration unit (1) sends timesharing pulsewidth modulation to
Control unit (5).
3. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 2, it is characterised in that:
Including pressure photovoltaic cogeneration element Upg, rectification circuit, switching tube k2, diode D1, inductance L and super capacitor Usu, described
Pressure photovoltaic cogeneration element Upg, switching tube k2, inductance L, super capacitor Usu, pressure electricity-generating element UsuIt is in turn connected into and closes
Close circuit, the pressure photovoltaic cogeneration element UpgBoth ends be connected with rectification circuit, the input terminal and pressure of the inductance L
Photovoltaic cogeneration element UpgInput terminal between be provided with diode D1。
4. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 3, it is characterised in that:
The pressure photovoltaic cogeneration element includes pressure electricity-generating element and photovoltaic power generation element, wherein
The pressure electricity-generating element UpgIt is formed by m group branch by parallel combination, that is, Upg,11To Upg,n1Total n unit forms the
One group of series arm, Upg,12To Upg,n2Total n unit forms second group of series arm, Upg,1mTo Upg,nmTotal n unit forms the
M group series arm;
The photovoltaic power generation element UpvIt is formed by m group branch by parallel combination, that is, Upv,11To Upv,n1Total n unit forms the
One group of series arm, Upv,12To Upv,n2Total n unit forms second group of series arm, Upv,1mTo Upv,nmTotal n unit forms the
M group series arm.
5. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 1, it is characterised in that:
The pressure photovoltaic cogeneration unit (1) uses frame-type integral structure, and upper layer is photovoltaic power generation, lower layer is pressure hair
Electricity forms pressure and integrated photovoltaic structure, while the energy of absorption pressure energy and sunlight.
6. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 1, it is characterised in that:
In the pressure photovoltaic cogeneration unit (1) shape of piezoelectricity and photovoltaic be include rectangular, round, triangle geometric form
Shape.
7. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 3, it is characterised in that:
The control method of the decompression control unit is:
(a) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in 0~TonIn period, rectified circuit, when t=0
It carves, switching tube k2Conducting, pressure photovoltaic cogeneration element UpgOutput voltage passes through switching tube k2It is added to inductance L and super capacitor
UsuOn, diode D1Cut-off;The pressure photovoltaic cogeneration element U in a switch periodspgOutput voltage remains unchanged, and passes through
Electric current in inductance L is to super capacitor UsuCharging;
(b) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TonMoment, switching tube k2Shutdown, inductance L are logical
Cross diode D1Afterflow, and to super capacitor UsuCharging;
(c) as pressure photovoltaic cogeneration element UpgWhen having voltage output, in t=TsMoment, switching tube k2Again be connected, continue to
Super capacitor UsuCharging.
8. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 7, it is characterised in that:
When pressure photovoltaic cogeneration unit (1) output voltage dynamic change, the TonMoment is with pressure photovoltaic cogeneration
Unit (1) output voltage amplitude size and change, and in pressure electricity-generating and T when photovoltaic power generationonValue is different, moment TonIt is worth small
In TsValue, TsIt is constant, switching tube k1Service time be 0~Ton。
9. a kind of pressure photovoltaic cogeneration super capacitor energy storage control system according to claim 7, it is characterised in that:
The quantity of pressure electricity-generating element and photovoltaic power generation element in pressure photovoltaic cogeneration unit (1), material, arrangement, shape root
Factually border it needs to be determined that;The output voltage and stress of pressure photovoltaic cogeneration unit (1) are determine according to actual needs.
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CN112512174A (en) * | 2019-08-26 | 2021-03-16 | 湖南耐普恩科技有限公司 | Photovoltaic street lamp control device and photovoltaic street lamp equipment |
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