CN205249140U - Solar power station group tandem power optimizer - Google Patents
Solar power station group tandem power optimizer Download PDFInfo
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- CN205249140U CN205249140U CN201521085982.5U CN201521085982U CN205249140U CN 205249140 U CN205249140 U CN 205249140U CN 201521085982 U CN201521085982 U CN 201521085982U CN 205249140 U CN205249140 U CN 205249140U
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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
- 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]
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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
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Abstract
The utility model discloses a solar power station group tandem power optimizer. It includes electrical power generating system, control system, circuit adjusts system and communication system, electrical power generating system connect solar cell panel, control system and circuit adjusts system all be connected with electrical power generating system, control system be connected with circuit adjusts system and communication system, circuit adjusts headtotail dc -to -ac converter. The beneficial effects of the utility model are that: make solar cell panel export at approximate maximum power point, improved solar power station's generated energy, reduce cost, can reform transform original power station, install on the collection flow box, also can prepare the collection flow box including this power optimizer device, use to newly building a power station.
Description
Technical field
The utility model relates to photovoltaic generation correlative technology field, refers in particular to solar power station group tandemPower optimization device.
Background technology
The technological core of power optimization device is the MPPT maximum power point tracking technology of solar cell, can pass throughThe adjusting of output voltage and electric current, makes solar panel all the time in maximum power point work, improves tooThe generated energy of sun energy battery. When occurring in battery strings that shade blocks, cell piece power does not mate, wiringIn the situation of the problems such as box fault, the effect of power optimization device is more remarkable. Generally, powerOptimizer, as a part for inverter, is arranged on before inverter. For large-scale inverter, haveA lot of battery series-parallel connections together, share a power optimization device, when a string feelings of blocking of occurring whereinUnder condition, just can not well improve the generating effect of this string. Now also there is a kind of power of single componentOptimizer device, is arranged on single component, has increased considerably like this cost in power station. For oftenA string, effect and a battery strings power optimization device device effect approach.
Utility model content
The utility model is to have above-mentioned deficiency in order to overcome in prior art, and a kind of raising is providedThe solar power station group tandem power optimization device of solar power station generated energy.
To achieve these goals, the utility model is by the following technical solutions:
Solar power station group tandem power optimization device, it is connected with solar panel and inverter, bagDraw together power-supply system, control system, circuit trimming system and communication system, described power-supply system connectsSolar panel, described control system is all connected with power-supply system with circuit trimming system, described inControl system be connected with circuit trimming system and communication system, described circuit trimming system connects contraryBecome device.
This power optimization device device is installed on every a string solar panel, is made every a string solar-electricityPond plate, all in approximate maximum power point output, effectively raises the generated energy of solar power station, like thisDesign has avoided inverter to take into account the shortcoming less than every a string solar panel, has also avoided single groupPart correspondence arranges the problem that single power optimization device causes high cost. In addition, this power optimization device canSo that original power station is transformed, be installed on header box, every a string solar panel is first passed throughThis power optimization device is connected on header box; Also can prepare confluxing containing this power optimization device deviceCase, is applied to newly and builds a power station.
As preferably, in described power-supply system, be provided with DC-DC change-over circuit, described solar energyCell panel is connected with the DC-DC change-over circuit in power-supply system. Power-supply system can be whole device and carriesFor needed electric power, its power source is the own electric power of solar panel, can pass through power-supply systemIn DC-DC change-over circuit unsettled direct current in solar panel is converted to stable straightStream electricity, by the direct current within the scope of 250-1000V in solar panel convert to 12V, 7V,The direct current of 5V, 3.3V constant voltage, normally works for whole system.
As preferably, described circuit trimming system comprises circuit adjustment device, current collector and voltageCollector, described current collector and voltage collector are all connected in parallel on solar panel, described inCurrent collector be connected between circuit adjustment device and solar panel, described circuit adjustmentDevice, current collector and voltage collector are all connected with control system, and described solar panel is logicalOversampling circuit adjuster is connected with inverter. The duty of control system control circuit adjuster, disturbanceThe output voltage of solar panel, thus output current is changed, voltage collector and electric currentCollector is input to output voltage and output current in control system, and control system calculates powerValue, and contrast; By the duty of continuous control circuit adjuster, performance number is reachedGreatly, playing solar panel Maximum Power Output point follows the tracks of.
As preferably, described circuit trimming system also comprises temperature sensor, described TEMPDevice is connected with control system. For detection of the real time temperature of this power optimization device, to prevent excess TemperatureAnd damage this power optimization device.
As preferably, described control system comprises digital signal processor DSP, communication module and peaceFull guard module, described digital signal processor DSP connects respectively communication module, safeguard protectionModule, circuit adjustment device, current collector and voltage collector, described security protection module connectsCircuit adjustment device, described communication module is connected with communication system. Digital signal processor DSP connectsReceive the data of voltage collector and current collector, carry out the action of control circuit adjuster, will connect simultaneouslyThe data of receiving pass to communication system by communication module in real time, and the design energy of security protection moduleEnough prevent this power optimization device from occurring extremely to cause whole power station to carry out work and paralyse.
As preferably, described control system also comprises warning device, described warning device and monolithicMachine connects. Can remind timely operating personnel, discharge in time failure problems, ensure this power optimizationThe normal operation of device.
As preferably, described security protection module comprise overvoltage/undervoltage protection module, overcurrent protection module,Overheat protector module. Above-mentioned module monitor simultaneously solar cell panel voltages, solar panel electric current,The variation of output voltage, this power optimization device device temperature, when control system enters security protection moduleAfter, circuit converter is regulation output voltage and output current no longer, directly by solar panel and contraryBecome device and connect, do not affect the normal power generation in power station.
As preferably, described communication system comprises display screen, telecommunication transmitting terminal and telecommunicationReceiving terminal, described display screen is connected with communication module with telecommunication transmitting terminal, and described is long-range logicalNews receiving terminal is connected with telecommunication transmitting terminal. Communication system is by communication module and Digital Signal ProcessingDevice DSP connects, by the generating information of the solar panel such as voltage, electric current and protection warning messageBe input on display screen, and simultaneous communications system has remote communicating function, by system mode by far awayJourney communication transmitting terminal is transferred to remote terminal with coordinating of telecommunication receiving terminal.
As preferably, described telecommunication receiving terminal is launched by wired connection mode and telecommunicationEnd connects. Make transmission of data signals more reliable and stable.
Preferred as another kind, described telecommunication receiving terminal is by wireless connections mode and long-range logicalNews transmitting terminal connects. Make to transmit data and be subject to regional influence less, transmission range is larger.
The beneficial effects of the utility model are: solar panel is exported at approximate maximum power point,The generated energy that has improved solar power station, reduces costs; Can transform original power station, installTo header box; Also can prepare the header box containing this power optimization device device, be applied to newly and build a power station.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
In figure: 1. power-supply system, 2. control system, 21. single-chip microcomputers, 22. communication modules, 3. electricityRoad regulating system, 31. circuit adjustment devices, 32. current collectors, 33. voltage collectors are 4. logicalNews system, 5. solar panel, 6. inverter.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In embodiment as described in Figure 1, solar power station group tandem power optimization device, itself and solar energyCell panel 5 is connected with inverter 6, comprises power-supply system 1, control system 2, circuit trimming system3 and communication system 4, power-supply system 1 connects solar panel 5, and control system 2 and circuit are adjustedJoint system 3 is all connected with power-supply system 1, control system 2 and circuit trimming system 3 and communication system4 connect, and circuit trimming system 3 connects inverter 6.
In power-supply system 1, be provided with DC-DC change-over circuit, solar panel 5 and power-supply system 1Interior DC-DC change-over circuit connects. Power-supply system 1 can be this power optimization device device and provides requiredThe electric power of wanting, its power source is the own electric power of solar panel 5, can be by solar panel 5In unsettled direct current convert galvanic current to, by DC-DC change-over circuit, by the sunDirect current in energy cell panel 5 within the scope of 250-1000V converts 12V, 7V, 5V, 3.3V perseverance toDetermine the direct current of voltage, normally work for whole system.
Circuit trimming system 3 comprises circuit adjustment device 31, current collector 32 and voltage collector 33,Current collector 32 and voltage collector 33 are all connected in parallel on solar panel 5, current collector32 are connected between circuit adjustment device 31 and solar panel 5, and circuit adjustment device 31, electric current are adoptedStorage 32 is all connected with control system 2 with voltage collector 33, and solar panel 5 passes through circuitAdjuster 31 is connected with inverter 6. Circuit trimming system 3 also comprises temperature sensor, and temperature passesSensor is connected with control system 2.
Control system 2 comprises digital signal processor DSP 21, communication module 22 and safeguard protection mouldPiece, digital signal processor DSP 21 connects respectively communication module 22, security protection module, circuitAdjuster 31, current collector 32 and voltage collector 33, security protection module connecting circuit regulatesDevice 31, communication module 22 is connected with communication system 4. Control system 2 also comprises warning device, reportAlarm device is connected with digital signal processor DSP 21. Digital signal processor DSP 21 is controlled electricityThe duty of road adjuster 31, the output voltage of disturbed sun energy cell panel 5, thus make outputElectric current changes, and voltage collector 33 and current collector 32 are by output voltage V and output electricityStream I is input in digital signal processor DSP 21, and digital signal processor DSP 21 calculates meritThe value of rate P=V*I, and contrast, by the duty of continuous control circuit adjuster 31,Make the value of V*I reach maximum, play solar panel 5 Maximum Power Output points and follow the tracks of.
Security protection module comprises overvoltage/undervoltage protection module, overcurrent protection module, overheat protector module.Control system 2 is monitored solar panel 5 voltages, solar panel 5 electric currents, output electricity simultaneouslyPress, the variation of this power optimization device device temperature, can realize PV input overvoltage protection, under-voltage protection,The functions such as overcurrent protection, overpower protection, overheat protector, control system 2 enters after defence program,Security protection module work control circuit converter no longer regulate V and I, directly by solar cellPlate 5 and inverter 6 are connected, and do not affect the normal power generation in power station.
Communication system 4 comprises display screen, telecommunication transmitting terminal and telecommunication receiving terminal, display screenBe connected telecommunication receiving terminal and telecommunication transmitting with communication module 22 with telecommunication transmitting terminalEnd connects. Telecommunication receiving terminal is by wired or wireless connections mode and telecommunication transmitting terminal companyConnect. Communication system 4 is connected with digital signal processor DSP 21, by the solar energy such as voltage, electric currentThe generating information of cell panel 5 and protection warning message are input on display screen, simultaneous communications system 4 toolsThere is remote communicating function, system mode is transferred to remote terminal by wireless or wired mode.
This power optimization device device is installed on every a string solar panel 5, is made every a string solar energyCell panel 5, all in approximate maximum power point output, effectively raises the generated energy of solar power station,Design has avoided inverter 6 to take into account the shortcoming less than every a string solar panel 5 like this, also avoidsSingle component correspondence the problem that single power optimization device causes high cost is set. In addition, this powerOptimizer can be transformed original power station, is installed on header box, makes every a string solar cellPlate 5 is first connected on header box through this power optimization device; Also can prepare containing this power optimization deviceThe header box of device, is applied to newly and builds a power station.
Claims (10)
1. solar power station group tandem power optimization device, itself and solar panel (5) and inverter (6)Connect, it is characterized in that, comprise power-supply system (1), control system (2), circuit adjustment systemSystem (3) and communication system (4), described power-supply system (1) connects solar panel (5),Described control system (2) is all connected with power-supply system (1) with circuit trimming system (3),Described control system (2) is connected with circuit trimming system (3) and communication system (4), instituteThe circuit trimming system (3) of stating connects inverter (6).
2. solar power station group tandem power optimization device according to claim 1, is characterized in that instituteIn the power-supply system (1) of stating, be provided with DC-DC change-over circuit, described solar panel (5)Be connected with the DC-DC change-over circuit in power-supply system (1).
3. solar power station group tandem power optimization device according to claim 1 and 2, is characterized in that,Described circuit trimming system (3) comprises circuit adjustment device (31), current collector (32)And voltage collector (33), described current collector (32) and voltage collector (33)All be connected in parallel on solar panel (5) upper, described current collector (32) is connected to circuitBetween adjuster (31) and solar panel (5), described circuit adjustment device (31),Current collector (32) is all connected with control system (2) with voltage collector (33), described inSolar panel (5) be connected with inverter (6) by circuit adjustment device (31).
4. solar power station group tandem power optimization device according to claim 3, is characterized in that instituteThe circuit trimming system (3) of stating also comprises temperature sensor, described temperature sensor and controlSystem (2) connects.
5. solar power station group tandem power optimization device according to claim 4, is characterized in that instituteThe control system (2) of stating comprises digital signal processor DSP (21), communication module (22)And security protection module, described digital signal processor DSP (21) connects respectively communication mouldPiece (22), security protection module, circuit adjustment device (31), current collector (32) andVoltage collector (33), described security protection module connecting circuit adjuster (31), instituteThe communication module (22) of stating is connected with communication system (4).
6. solar power station group tandem power optimization device according to claim 4, is characterized in that instituteThe control system (2) of stating also comprises warning device, described warning device and Digital Signal ProcessingDevice DSP (21) connects.
7. solar power station group tandem power optimization device according to claim 5, is characterized in that instituteThe security protection module of stating comprises overvoltage/undervoltage protection module, overcurrent protection module, overheat protector mouldPiece.
8. solar power station group tandem power optimization device according to claim 4, is characterized in that instituteThe communication system (4) of stating comprises display screen, telecommunication transmitting terminal and telecommunication receiving terminal,Described display screen is connected with communication module (22) with telecommunication transmitting terminal, and described is long-rangeCommunication receiving terminal is connected with telecommunication transmitting terminal.
9. solar power station group tandem power optimization device according to claim 8, is characterized in that instituteThe telecommunication receiving terminal of stating is connected with telecommunication transmitting terminal by wired connection mode.
10. solar power station group tandem power optimization device according to claim 8, is characterized in that instituteThe telecommunication receiving terminal of stating is connected with telecommunication transmitting terminal by wireless connections mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085982.5U CN205249140U (en) | 2015-12-22 | 2015-12-22 | Solar power station group tandem power optimizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085982.5U CN205249140U (en) | 2015-12-22 | 2015-12-22 | Solar power station group tandem power optimizer |
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| CN205249140U true CN205249140U (en) | 2016-05-18 |
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| CN201521085982.5U Active CN205249140U (en) | 2015-12-22 | 2015-12-22 | Solar power station group tandem power optimizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429587A (en) * | 2015-12-22 | 2016-03-23 | 上海质卫环保科技有限公司 | Cascade power optimizer of solar power station |
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2015
- 2015-12-22 CN CN201521085982.5U patent/CN205249140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429587A (en) * | 2015-12-22 | 2016-03-23 | 上海质卫环保科技有限公司 | Cascade power optimizer of solar power station |
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