CN207967957U - A kind of photovoltaic generating system - Google Patents
A kind of photovoltaic generating system Download PDFInfo
- Publication number
- CN207967957U CN207967957U CN201820333403.1U CN201820333403U CN207967957U CN 207967957 U CN207967957 U CN 207967957U CN 201820333403 U CN201820333403 U CN 201820333403U CN 207967957 U CN207967957 U CN 207967957U
- Authority
- CN
- China
- Prior art keywords
- voltage
- switch
- acquisition module
- controller
- voltage acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of photovoltaic generating system, photovoltaic generating system includes：Photovoltaic cells, diode, switch one, inverter, filter, load, voltage acquisition module one, hybrid energy-storing module, switch two, voltage acquisition module two, controller, driving circuit, light-coupled isolation, voltage transformer and current transformer, voltage acquisition module one and voltage acquisition module two acquire the voltage signal of photovoltaic cells and hybrid energy-storing module both ends respectively, and voltage transformer and current transformer acquire the voltage signal and current signal of load end.Controller passes through receiving voltage acquisition module one, the signal of voltage acquisition module two, voltage transformer and current transformer, to send out the signal that control switch one and switch two are opened and closed, it can remain able to realize uninterrupted reliable power supply when intensity of illumination is weaker the utility model has the advantage of the photovoltaic generating system, it is simple for structure, convenient for promoting the use of.
Description
Technical field
The utility model is related to technical field of photovoltaic power generation, more specifically to a kind of photovoltaic generating system.
Background technology
In recent years, as world population constantly increases and traditional resource, fossil fuel continue exhaustion, resulting resource
Problem just threatens human development, forces people to look for and develops regenerative resource as new generation mode.With solar energy,
Wind energy is generated electricity by way of merging two or more grid systems for the extensive regenerative resource of representative has become the irresistible development trend of novel electric power system.According to
Related data statistics, nearly 800,000 kilowatts of the energy of solar radiation to ground, this huge numerical value develop and use for people
Solar energy provides possibility, and photovoltaic generation only needs 0.1% to produce 5.6e9MWh every year.So utilizing the sun
Can carry out photovoltaic generation will necessarily become the main trend of China's power industry development.
Invention content
A kind of photovoltaic generating system of the utility model offer efficiently, sustainedly and stably can provide electric energy for load.
To achieve the above object, the utility model adopts the following technical solution：A kind of photovoltaic generating system includes：Photovoltaic electric
Pool unit, diode, switch one, inverter, filter, load, voltage acquisition module one, hybrid energy-storing module, switch two, electricity
Acquisition module two, controller, driving circuit, light-coupled isolation, voltage transformer and current transformer, photovoltaic cells are pressed to pass through
Diode, switch one, inverter and filter provide electric energy for load, and voltage acquisition module one is by diode by photovoltaic cell
The voltage of unit sends controller to, and hybrid energy-storing module passes sequentially through switch two, inverter and filter and provides electricity for load
Power supports that hybrid energy-storing module is electrically connected by switch two and diode with photovoltaic cells, and voltage acquisition module two is adopted
The voltage at collection hybrid energy-storing module both ends sends controller to, and controller controls inverter by light-coupled isolation and driving circuit,
The voltage signal of voltage transformer acquisition load is transferred to controller, and the current signal transfer of current transformer acquisition load is to control
Device processed, the voltage signal of controller receiving voltage acquisition module one, the voltage signal of voltage acquisition module two, voltage transformer
The operating status of the current signal real-time detecting system of voltage signal and current transformer, when system voltage gets over time-limit controller association
The open and-shut mode of regulation and control system switch one and switch two, makes system voltage restore normal within the shortest time.Hybrid energy-storing module
It is made of super bulky capacitor and accumulator, accumulator is presently most used energy-storage units, but since monomer cost is high, is made
Energy-storage units restricted with number and single can not meet requirement of the system to power and energy simultaneously, so using herein
The mixed energy storage system of super capacitor and accumulator composition, the power quality to meet system operation requires and the power need of load
It asks.Conventional capacitor storage unit is in system operation, if power demand changes, the preferential motion compensation of ultracapacitor
Power shortage, but since super capacitor energy density itself is smaller, when output power is bigger or output time is longer, super electricity
The energy of appearance is easier to reach maximum/minimum limit value, so super capacitor cannot for a long time carry out energy-storage system output power
Control, and the load vacancy temporarily undertaken by super capacitor is gradually transferred to accumulator by hybrid energy-storing, is undertaken by accumulator
The compensation of power shortage, this hybrid energy-storing module improve the power quality requirement of system operation, also meet to the maximum extent
The power demand of load, while the course of work of accumulator is optimized, extend service lifetime of accumulator.
Description of the drawings
Fig. 1 is a kind of mechanism principle figure of photovoltaic generating system of the utility model.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the following will be combined with the drawings in the embodiments of the present invention, to this
Technical solution during utility model is implemented carries out clear, complete description.
As shown in Figure 1, including photovoltaic cells 1, inverter system the utility model is related to a kind of photovoltaic generating system
16 and load 6.Wherein inverter system 16 includes diode 2, switch 1, inverter 4, filter 5, voltage acquisition module one
7, hybrid energy-storing module 8, switch 29, voltage acquisition module 2 10, controller 11, driving circuit 12, light-coupled isolation 13, voltage
Mutual inductor 14 and current transformer 15.Photovoltaic cells 1 pass sequentially through diode 2, switch 1, inverter 4 and filter 5
It is connected with load 6, electric energy is provided for load 6.Voltage acquisition module 1 is electrically connected between diode 2 and controller 11, with
Acquire the voltage of photovoltaic cells 1.Hybrid energy-storing module 8 passes sequentially through switch 29, inverter 4 and filter 5 and load 6
It is electrical connected, is electrically connected with photovoltaic cells 1 in addition, hybrid energy-storing module 8 also passes sequentially through switch 29 and diode 2.
Voltage acquisition module 2 10 is electrically connected between hybrid energy-storing module 8 and controller 11, to acquire 8 both ends of hybrid energy-storing module
Voltage.The voltage signal of the acquisition of voltage transformer 14 load 6 is transferred to controller 11, the acquisition of current transformer 15 load 6
Current signal transfer is to controller 11, and controller 11 is according to voltage acquisition module 1, voltage acquisition module 2 10, mutual induction of voltage
The output signal of device 14 and current transformer 15, control switch 1 and switch 29, controller 11 is by light-coupled isolation 13 and drives
Dynamic circuit 12 controls inverter 4.
Specifically, when normal work：When intensity of illumination is relatively low, the voltage value of voltage acquisition module 1 is adopted less than voltage
When collecting the voltage value of module 2 10, controller 11 sends out control command, and control switch 1 is opened, and controls the closure of switch 29,
Photovoltaic cells 1 do not give 6 offer electric energy of load but are that hybrid energy-storing module 8 is filled by diode 2 and switch 29 at this time
Electricity, hybrid energy-storing module 8 provide electric energy to load 6.
With intensity of illumination increase and the lasting charging of hybrid energy-storing module 8, the voltage of hybrid energy-storing module 8 increases, when
When the voltage value of voltage acquisition module 1 is higher than threshold voltage, controller 11 sends out control command, controls switch 1 and switch
29 are closed.Photovoltaic cells 1 and hybrid energy-storing module 8 provide electric energy to load 6 simultaneously at this time.
When intensity of illumination further enhances, the voltage of photovoltaic cells 1 increases, when the electricity of voltage acquisition module 2 10
When pressure value is higher than threshold voltage, controller 11 sends out control command, and control switch 1 is closed, switch 29 is opened.Photovoltaic at this time
Battery unit 1 individually provides electric energy to load 6.It should be noted that above-mentioned voltage acquisition module 1 and voltage acquisition module
2 10 threshold value can be pre-stored in controller 11.
A kind of photovoltaic generating system has following advantage：
1）Clean, regenerative resource-solar energy power generating is converted into alternating current supply load；
2）The utility model circuit structure is simple, easy to utilize；
3）The utility model can more fully utilize solar energy, realization reliably to power payload security.
The above is only the preferred embodiment of the utility model, not imposed any restrictions to the utility model, every
According to the utility model technical spirit to any simple modification, change and equivalent structure transformation made by above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (3)
1. a kind of photovoltaic generating system, it is characterised in that：Including photovoltaic cells（1）, inverter system（16）And load
（6）, the inverter system（16）Including diode（2）, switch one（3）, inverter（4）, filter（5）, voltage acquisition mould
Block one（7）, hybrid energy-storing module（8）, switch two（9）, voltage acquisition module two（10）, controller（11）, driving circuit（12）、
Light-coupled isolation（13）, voltage transformer（14）And current transformer（15）, photovoltaic cells（1）Pass through diode（2）, switch
One（3）, inverter（4）And filter（5）With load（6）It is electrically connected, voltage acquisition module one（7）Pass through diode（2）With
Photovoltaic cells（1）It is electrically connected, hybrid energy-storing module（8）Pass sequentially through switch two（9）, inverter（4）And filter（5）
With load（6）It is electrically connected, hybrid energy-storing module（8）Pass through switch two（9）, diode（2）With photovoltaic cells（1）Electrically
Connection, voltage acquisition module two（10）It is electrically connected at hybrid energy-storing module（8）And controller（11）Between, controller（11）It is logical
Cross light-coupled isolation（13）And driving circuit（12）Control inverter（4）, voltage transformer（14）It is electrically connected at load（6）And control
Device processed（11）Between, current transformer（15）It is electrically connected at load（6）And controller（11）Between, controller（11）By connecing
Receive voltage acquisition module one（7）, voltage acquisition module two（10）, voltage transformer（14）And current transformer（15）Output letter
Number, controller（11）Send out control switch one（3）With switch two（9）The signal of opening and closing.
2. a kind of photovoltaic generating system as described in claim 1, it is characterised in that：The diode（2）Rising prevents from reversely filling
The effect of electricity.
3. a kind of photovoltaic generating system as described in claim 1, it is characterised in that：The controller（11）At digital signal
Manage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820333403.1U CN207967957U (en) | 2018-03-12 | 2018-03-12 | A kind of photovoltaic generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820333403.1U CN207967957U (en) | 2018-03-12 | 2018-03-12 | A kind of photovoltaic generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967957U true CN207967957U (en) | 2018-10-12 |
Family
ID=63742118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820333403.1U Expired - Fee Related CN207967957U (en) | 2018-03-12 | 2018-03-12 | A kind of photovoltaic generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207967957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932375A (en) * | 2018-09-19 | 2020-03-27 | 中原大学 | Intelligent hunting device, voltage signal application system and energy management module thereof |
-
2018
- 2018-03-12 CN CN201820333403.1U patent/CN207967957U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932375A (en) * | 2018-09-19 | 2020-03-27 | 中原大学 | Intelligent hunting device, voltage signal application system and energy management module thereof |
| US11569679B2 (en) | 2018-09-19 | 2023-01-31 | Chung-Yuan Christian University | Intelligent energy harvesting device, voltage signal application system and energy management module thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101860270B (en) | Access system for adequately utilizing wind energy and solar energy and realization method thereof | |
| CN202586481U (en) | Micro electrical network intelligent balanced charging and power supply system | |
| CN204179989U (en) | Based on the scene oil complementary power generation system of DC bus | |
| CN105763085A (en) | Energy storage grid-connected converter based on reverse-blocking type three levels, and control method therefor | |
| CN201398094Y (en) | Solar photovoltaic and commercial power complementary device with alternating current and direct current dual-mode output | |
| CN104242790A (en) | Wind-solar hybrid power generation system | |
| CN203951202U (en) | Micro-mains supply system for a kind of wind light mutual complementing family | |
| CN104659896A (en) | Solar energy and hydrogen energy complementary power generation type power supply system | |
| CN202997585U (en) | Household solar energy grid connected generation system | |
| CN203933136U (en) | Novel household energy-storage system controller | |
| CN103812140A (en) | Wind energy, solar energy and commercial power complementary electric vehicle charging system | |
| CN207967957U (en) | A kind of photovoltaic generating system | |
| CN201774266U (en) | Energy-storage control system | |
| CN205407293U (en) | Can insert little electric wire netting of photovoltaic board and body -building bicycle in a flexible way | |
| CN204190669U (en) | A kind of wind and solar hybrid generating system | |
| CN101924372B (en) | Energy storage control system | |
| CN201286066Y (en) | Dual PWM inverter with energy capable of bidirectional flowing | |
| CN201656848U (en) | Access system for fully utilizing wind energy and solar energy | |
| CN207573066U (en) | A kind of photovoltaic energy storage type DC charging column | |
| CN202978320U (en) | Wind energy, solar energy and commercial power complementary electric vehicle charging station | |
| CN101656485A (en) | Double PWM inverter with energy capable of bidirectionally flowing | |
| CN202153651U (en) | High-voltage energy storage device of off-grid new energy power generation system | |
| CN204615493U (en) | A kind of efficient from net type solar energy inverter | |
| CN204119112U (en) | A kind of family expenses 500W solar electric power supply system | |
| CN203086816U (en) | Island type intelligent-control wind and solar complementary power generating LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20200312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |