CN106953594B - A kind of photovoltaic module spray water control system and method - Google Patents
A kind of photovoltaic module spray water control system and method Download PDFInfo
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- CN106953594B CN106953594B CN201710239912.8A CN201710239912A CN106953594B CN 106953594 B CN106953594 B CN 106953594B CN 201710239912 A CN201710239912 A CN 201710239912A CN 106953594 B CN106953594 B CN 106953594B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000007921 spray Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims description 31
- 238000005457 optimization Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- 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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The present invention provides a kind of photovoltaic module spray water control system and methods, the system includes: assemblies monitor device, water flow valve positioner and water spray controller, wherein, assemblies monitor device is used to acquire the power parameter of photovoltaic module, wherein, power parameter includes temperature, voltage value and the current value of photovoltaic module.Controller spray water according to the temperature and power of photovoltaic module, adjusts the state of water flow valve positioner being switched on and off, realizes the control sprayed water to photovoltaic module.It can be seen that, the spray water control system that this programme provides has comprehensively considered two parameters of temperature and power, the weather that existing inversion system is high in temperature but intensity of illumination is inadequate is avoided, the problem of the output power of inversion system caused by being sprayed water to photovoltaic module low (power benefit is low).Except this, this programme uses the component detection device of inversion system itself rather than temperature sensor, greatly reduces the cost of inversion system.
Description
Technical field
The present invention relates to photovoltaic arts, more specifically to a kind of photovoltaic module spray water control system and method.
Background technique
With the rapid development of society, the energy gradually decreases, and new energy field has obtained quick development.Wherein, photovoltaic
Electricity generation system has also obtained development at full speed as the offer carrier of electric energy.According to the electrical characteristic of photovoltaic module, when photovoltaic group
Part works in maximum power point, and component power is positively correlated with intensity of illumination, but, component temperature and component power are at negative
It closes.Therefore, it in order to improve the output power of inversion system, needs to spray water to photovoltaic module when temperature reaches certain value
Cooling.
Currently, usually temperature sensor is arranged on each photovoltaic module in inversion system, as shown in Figure 1, water spray control system
System 1 receives the temperature data that temperature sensor 2 obtains, when the temperature and environment temperature of photovoltaic module reach certain difference
When, it sprays water.
However, it is found by the inventors that in inversion system actual motion, it may appear that the day that temperature is high but intensity of illumination is inadequate
Gas, at this time if sprayed water to photovoltaic module, the problem of (power benefit is low) low it will cause the output power of inversion system.
To sum up, how a kind of photovoltaic module spray water control system is provided, can be improved the output power of inversion system and at
This is low, becomes those skilled in the art's big technical problem urgently to be resolved.
Summary of the invention
In view of this, can be improved inversion system the present invention provides a kind of photovoltaic module spray water control system and method
Power and at low cost.
To achieve the above object, the invention provides the following technical scheme:
A kind of photovoltaic module spray water control system, comprising:
Assemblies monitor device, is connected with photovoltaic module, for acquiring the power parameter of photovoltaic module, the power parameter packet
Include temperature, voltage value and the current value of the photovoltaic module；
Water flow valve positioner is connected with the photovoltaic module, the opening and closing for control valve；
Water spray controller, is connected, for the voltage value and electricity according to the photovoltaic module with the assemblies monitor device
The first power of the photovoltaic module is calculated in flow valuve, and when the first temperature of the photovoltaic module is greater than the first temperature threshold
When the power of value and the photovoltaic module is greater than the first power threshold, controls the water flow valve positioner and open, to the light
Lie prostrate component water spray；When the first preset time reaches, controls the water flow valve positioner and close, obtain the photovoltaic module
Second temperature and the second power, the financial value of the photovoltaic module in the unit of account time, when the financial value is more than or equal to
When the first revenue threshold, determines that the target water spraying time of the photovoltaic module is first preset time, determine the photovoltaic
The target temperature threshold value of component is first temperature threshold, when the financial value is greater than the second revenue threshold and is less than described the
When one revenue threshold, determine the photovoltaic module target water spraying time be first preset time and preset time plus
With, determine the photovoltaic module target temperature threshold value be first temperature threshold and preset temperature difference difference, when described
When financial value is less than or equal to second revenue threshold, determine that the target water spraying time of the photovoltaic module is described first default
The difference of time and the preset time, the target temperature threshold value for determining the photovoltaic module are first temperature threshold and preset
The adduction of temperature gap sprays the photovoltaic module according to the target temperature threshold value and the target water spraying time
Water management.
Preferably, further includes:
The communications cable, for the power parameter of the collected photovoltaic module of the assemblies monitor device to be transmitted to institute
State water spray controller.
Preferably, the assemblies monitor device includes power optimization device.
Preferably, the water spray controller when financial value of the photovoltaic module, is specifically used within the unit of account time:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, pre-
If power difference, the financial value of the photovoltaic module is calculated.
Preferably, the water spray controller when financial value of the photovoltaic module, is specifically used within the unit of account time
According to formula Y=(P2-P1) * T △/(T0*P △), the income to photovoltaic module described in the unit time of calculating
Value, wherein Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second power, and T △ is described
Unit time, T0 are first preset time, P △ is predetermined power difference.
Preferably, further includes:
Warning device, for sending warning information to pre- when the financial value is less than or equal to second revenue threshold
If electronic equipment.
A kind of photovoltaic module water spray control method, comprising:
Obtain the first temperature and the first power of photovoltaic module；
When the first power that the first temperature of the photovoltaic module is greater than the first temperature threshold and the photovoltaic module is greater than
When the first power threshold, controls the water flow valve positioner and open, spray water to the photovoltaic module；
When the first preset time reaches, controls the water flow valve positioner and close；
Obtain the second temperature and the second power of the photovoltaic module；
The financial value of the photovoltaic module in the unit of account time；
When the financial value is more than or equal to the first revenue threshold, determine the target water spraying time of the photovoltaic module for institute
The first preset time is stated, determines that the target temperature threshold value of the photovoltaic module is first temperature threshold；
When the financial value is greater than the second revenue threshold and is less than first revenue threshold, the photovoltaic module is determined
Target water spraying time be first preset time and preset time adduction, determine the target temperature threshold of the photovoltaic module
Value is the difference of first temperature threshold and preset temperature difference；
When the financial value is less than or equal to second revenue threshold, the target water spraying time of the photovoltaic module is determined
For the difference of first preset time and the preset time, determine that the target temperature threshold value of the photovoltaic module is described first
The adduction of temperature threshold and preset temperature difference；
According to the target temperature threshold value and the target water spraying time, water spray control is carried out to the photovoltaic module.
Preferably, in the unit of account time photovoltaic module financial value, comprising:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, pre-
If power difference, the financial value of the photovoltaic module is calculated.
Preferably, described according to the first power of the photovoltaic module, the second power, the unit time, described first
Preset time, predetermined power difference, are calculated the financial value of the photovoltaic module, comprising:
According to formula Y=(P2-P1) * T △/(T0*P △), the income to photovoltaic module described in the unit time of calculating
Value, wherein Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second power, and T △ is described
Unit time, T0 are first preset time, P △ is predetermined power difference.
Preferably, further includes:
When the financial value is less than or equal to second revenue threshold, warning information is sent to preset electronic equipment.
It can be seen from the above technical scheme that the present invention provides a kind of photovoltaic module spray water control systems, comprising: group
Part monitoring device, water flow valve positioner and water spray controller, wherein assemblies monitor device is used to acquire the function of photovoltaic module
Rate parameter, wherein power parameter includes temperature, voltage value and the current value of photovoltaic module.Controller spray water according to photovoltaic group
The temperature and power of part adjust the state of water flow valve positioner being switched on and off, and realize the control sprayed water to photovoltaic module
System.As it can be seen that the spray water control system that this programme provides has comprehensively considered two parameters of temperature and power, avoid existing inverse
Change system is in the weather that temperature is high but intensity of illumination is inadequate, the output power of inversion system caused by being sprayed water to photovoltaic module
The problem of low (power benefit is low).Except this, this programme uses the component detection device of inversion system itself rather than temperature sensor,
Greatly reduce the cost of inversion system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the system schematic of photovoltaic module spray water control system in the prior art；
Fig. 2 is a kind of schematic diagram of photovoltaic module spray water control system provided in this embodiment；
Fig. 3 is a kind of flow diagram of photovoltaic module water spray control method provided in this embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of photovoltaic module spray water control systems, comprising: assemblies monitor device, water flow valve positioner
And water spray controller, wherein assemblies monitor device is used to acquire the power parameter of photovoltaic module, wherein power parameter includes
Temperature, voltage value and the current value of photovoltaic module.Controller spray water according to the temperature and power of photovoltaic module, adjusts water flow
The state of valve positioner being switched on and off realizes the control sprayed water to photovoltaic module.As it can be seen that the water spray control that this programme provides
System processed has comprehensively considered two parameters of temperature and power, avoid that existing inversion system is high in temperature but intensity of illumination not
The problem of enough weather, the output power of inversion system caused by being sprayed water to photovoltaic module low (power benefit is low).Except this,
This programme uses the component detection device of inversion system itself rather than temperature sensor, greatly reduces the cost of inversion system.
Specifically, referring to Fig. 2, being a kind of photovoltaic module spray water control system provided in this embodiment, comprising: component prison
Survey device 10, water flow valve positioner 20 and water spray controller 30.
Wherein, assemblies monitor device 10 is connected with photovoltaic module 40, described for acquiring the power parameter of photovoltaic module
Power parameter includes temperature, voltage value and the current value of the photovoltaic module.Water flow valve positioner 20, with the photovoltaic group
Part 40 is connected, the opening and closing for control valve.
Water spray controller 30, is connected, for the voltage value according to the photovoltaic module 40 with the assemblies monitor device 10
And current value, the first power of the photovoltaic module is calculated, and when the first temperature of the photovoltaic module is greater than first
When the power of temperature threshold and the photovoltaic module is greater than the first power threshold, controls the water flow valve positioner and open, it is right
The photovoltaic module water spray；When the first preset time reaches, controls the water flow valve positioner and close, obtain the photovoltaic
The second temperature of component and the second power, the financial value of the photovoltaic module in the unit of account time, when the financial value is big
When being equal to the first revenue threshold, determines that the target water spraying time of the photovoltaic module is first preset time, determine institute
The target temperature threshold value for stating photovoltaic module is first temperature threshold, when the financial value is greater than the second revenue threshold and is less than
When first revenue threshold, determine that the target water spraying time of the photovoltaic module is first preset time and preset time
Adduction, determine the photovoltaic module target temperature threshold value be first temperature threshold and preset temperature difference difference, when
When the financial value is less than or equal to second revenue threshold, determine that the target water spraying time of the photovoltaic module is described first
The difference of preset time and the preset time, determine the photovoltaic module target temperature threshold value be first temperature threshold with
The adduction of preset temperature difference, according to the target temperature threshold value and the target water spraying time, to the photovoltaic module into
Row water spray control.
Wherein, the assemblies monitor device 10 can be joined the power of collected photovoltaic module 40 by the communications cable 50
Number is transmitted to water spray controller 30.Assemblies monitor device 10 can also be power optimization device.
Specifically, present embodiments providing a kind of income of controller photovoltaic module within the unit of account time of spraying water
Specific implementation step when value is as follows:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, pre-
If power difference, the financial value of the photovoltaic module is calculated.
Further, by according to formula Y=(P2-P1) * T △/(T0*P △), calculating to light described in the unit time
Lie prostrate the financial value of component, wherein Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second function
Rate, T △ is the unit time, T0 is first preset time, P △ is predetermined power difference.
Incorporated by reference to Fig. 3, illustrate to a kind of manipulation process of photovoltaic module spray water control system provided in this embodiment
Explanation.
Spray water control system obtains photovoltaic module at interval of all can once be communicated with power optimization device for a period of time
Temperature F1 and power P 1；For the influence for avoiding the occurrence of the weather that temperature is high but intensity of illumination is low, when temperature F1 reaches start-up temperature
When threshold values F0 and power are more than or equal to threshold power P0, system starts to spray water；After carrying out time T0, system stop water spray and again
It is secondary to be communicated with power optimization device, securing component temperature F2 and power P 2.
First according to formula (P2-P1) * T △/(T0*P △), the income of above-mentioned spray operation is calculated, when value is equal to 1
When, it is equal with cost to represent income.
When value is more than or equal to 2, i.e., water spraying time meets the requirements, and next water spraying time and threshold temperature are constant.
When value is greater than 1 and when less than 2, i.e. water spray income is smaller, and water spraying time is too short, next water spraying time T1=T0+T
△, and threshold temperature is higher, threshold temperature F1=F0-F △；
When value is less than or equal to 1, illustrate that water spray income is negative, i.e., water spraying time is too long, and threshold temperature is lower, and next time sprays water
Time T1=T0-T △, and threshold temperature is higher, threshold temperature F1=F0+F △.
In this way, photovoltaic module spray water control system provided in this embodiment can according to power adjustment water spraying time so that
The output maximizing the benefits of inversion system.It should be noted that above-described embodiment is only for the purpose of illustration, some of them are default
Parameter, e.g., threshold temperature F0, threshold power P0, the water injection system initial value water spraying time T0 of spray water control system starting water spray are single
The differential temperature of position time T △, spray water control system closing water spray are F △ and difference power is P △, can be according to reality
Power generation occasion set, it is not limited to this.
On the basis of the above embodiments, the present embodiment is also additionally arranged warning device, for when the financial value be less than etc.
When second revenue threshold, warning information is sent to preset electronic equipment.
Except this, it is based on above-mentioned photovoltaic module spray water control system, the present embodiment additionally provides a kind of photovoltaic module water spray control
Method processed, comprising steps of
S1, the first temperature and the first power for obtaining photovoltaic module；
S2, the first power for being greater than the first temperature threshold and the photovoltaic module when the first temperature of the photovoltaic module are big
When the first power threshold, controls the water flow valve positioner and open, spray water to the photovoltaic module；
S3, when the first preset time reaches, control the water flow valve positioner and close；
S4, the second temperature and the second power for obtaining the photovoltaic module；
S5, in the unit of account time photovoltaic module financial value；
S6a, when the financial value be more than or equal to the first revenue threshold when, determine the target water spraying time of the photovoltaic module
For first preset time, determine that the target temperature threshold value of the photovoltaic module is first temperature threshold；
S6b, when the financial value be greater than the second revenue threshold and be less than first revenue threshold when, determine the photovoltaic
The target water spraying time of component is the adduction of first preset time and preset time, determines the target temperature of the photovoltaic module
Spend the difference that threshold value is first temperature threshold and preset temperature difference；
S6c, when the financial value be less than or equal to second revenue threshold when, determine the photovoltaic module target water spray
Time is the difference of first preset time and the preset time, determines that the target temperature threshold value of the photovoltaic module is described
The adduction of first temperature threshold and preset temperature difference；
S7, according to the target temperature threshold value and the target water spraying time, water spray control is carried out to the photovoltaic module
System.
Preferably, in the unit of account time photovoltaic module financial value, comprising:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, pre-
If power difference, the financial value of the photovoltaic module is calculated.
Wherein, it is described according to the first power of the photovoltaic module, it is the second power, the unit time, described first pre-
If time, predetermined power difference, the financial value of the photovoltaic module is calculated, comprising:
According to formula Y=(P2-P1) * T △/(T0*P △), the income to photovoltaic module described in the unit time of calculating
Value, wherein Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second power, and T △ is described
Unit time, T0 are first preset time, P △ is predetermined power difference.
Except this, warning information can also be sent to default when the financial value is less than or equal to second revenue threshold
Electronic equipment.
Its working principle please participate in the above system embodiment, herein not repeated description.
To sum up, the present invention provides a kind of photovoltaic module spray water control systems, comprising: assemblies monitor device, water flow valve
Controller and water spray controller, wherein assemblies monitor device is used to acquire the power parameter of photovoltaic module, wherein power ginseng
Number includes temperature, voltage value and the current value of photovoltaic module.Controller spray water according to the temperature and power of photovoltaic module, adjusts
The state of water stream valve positioner being switched on and off realizes the control sprayed water to photovoltaic module.As it can be seen that this programme provided
Spray water control system has comprehensively considered two parameters of temperature and power, avoids existing inversion system in temperature height but illumination
The inadequate weather of intensity, the output power of inversion system caused by being sprayed water to photovoltaic module low (power benefit is low) are asked
Topic.Except this, this programme uses the component detection device of inversion system itself rather than temperature sensor, greatly reduces inversion system
Cost.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from the spirit or scope of the embodiment of the present invention.Therefore,
The embodiment of the present invention is not intended to be limited to the embodiments shown herein, and be to fit to principles disclosed herein and
The consistent widest scope of features of novelty.
Claims (10)
1. a kind of photovoltaic module spray water control system characterized by comprising
Assemblies monitor device, is connected with photovoltaic module, and for acquiring the power parameter of photovoltaic module, the power parameter includes institute
State temperature, voltage value and the current value of photovoltaic module；
Water flow valve positioner is connected with the photovoltaic module, the opening and closing for control valve；
It sprays water controller, is connected with the assemblies monitor device, for the voltage value and current value according to the photovoltaic module,
The first power of the photovoltaic module is calculated, and when the first temperature of the photovoltaic module is greater than the first temperature threshold and institute
When stating the power of photovoltaic module greater than the first power threshold, controls the water flow valve positioner and open, to the photovoltaic module
Water spray；It when the first preset time reaches, controls the water flow valve positioner and closes, obtain the second temperature of the photovoltaic module
Degree and the second power, the financial value of the photovoltaic module in the unit of account time are received when the financial value is more than or equal to first
When beneficial threshold value, determines that the target water spraying time of the photovoltaic module is first preset time, determine the photovoltaic module
Target temperature threshold value is first temperature threshold, when the financial value is greater than the second revenue threshold and is less than first income
When threshold value, determines that the target water spraying time of the photovoltaic module is the adduction of first preset time and preset time, determine
The target temperature threshold value of the photovoltaic module is the difference of first temperature threshold and preset temperature difference, when the financial value is small
When being equal to second revenue threshold, determine the target water spraying time of the photovoltaic module for first preset time and institute
The difference for stating preset time determines that the target temperature threshold value of the photovoltaic module is first temperature threshold and preset temperature difference
Adduction water spray control is carried out to the photovoltaic module according to the target temperature threshold value and the target water spraying time.
2. photovoltaic module spray water control system according to claim 1, which is characterized in that further include:
The communications cable, for the power parameter of the collected photovoltaic module of the assemblies monitor device to be transmitted to the spray
Water controller.
3. photovoltaic module spray water control system according to claim 1, which is characterized in that the assemblies monitor device includes
Power optimization device.
4. photovoltaic module spray water control system according to claim 1, which is characterized in that the water spray controller is calculating
In unit time when the financial value of the photovoltaic module, it is specifically used for:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, default function
The financial value of the photovoltaic module is calculated in rate difference.
5. photovoltaic module spray water control system according to claim 4, which is characterized in that the water spray controller is calculating
In unit time when the financial value of the photovoltaic module, it is specifically used for
According to formula Y=(P2-P1) * T △/(T0*P △), the financial value to photovoltaic module described in the unit time of calculating,
In, Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second power, and T △ is the unit
Time, T0 are first preset time, P △ is predetermined power difference.
6. photovoltaic module spray water control system according to claim 1, which is characterized in that further include:
Warning device, for sending warning information to default electricity when the financial value is less than or equal to second revenue threshold
Sub- equipment.
The control method 7. a kind of photovoltaic module is sprayed water characterized by comprising
Obtain the first temperature and the first power of photovoltaic module；
When the first power that the first temperature of the photovoltaic module is greater than the first temperature threshold and the photovoltaic module is greater than first
When power threshold, control water flow valve positioner is opened, and is sprayed water to the photovoltaic module；
When the first preset time reaches, controls the water flow valve positioner and close；
Obtain the second temperature and the second power of the photovoltaic module；
The financial value of the photovoltaic module in the unit of account time；
When the financial value is more than or equal to the first revenue threshold, determine that the target water spraying time of the photovoltaic module is described the
One preset time determines that the target temperature threshold value of the photovoltaic module is first temperature threshold；
When the financial value is greater than the second revenue threshold and is less than first revenue threshold, the mesh of the photovoltaic module is determined
The adduction that water spraying time is first preset time and preset time is marked, determines that the target temperature threshold value of the photovoltaic module is
The difference of first temperature threshold and preset temperature difference；
When the financial value is less than or equal to second revenue threshold, determine the target water spraying time of the photovoltaic module for institute
The difference for stating the first preset time Yu the preset time determines that the target temperature threshold value of the photovoltaic module is first temperature
The adduction of threshold value and preset temperature difference；
According to the target temperature threshold value and the target water spraying time, water spray control is carried out to the photovoltaic module.
The control method 8. photovoltaic module according to claim 7 is sprayed water, which is characterized in that institute in the unit of account time
State the financial value of photovoltaic module, comprising:
According to the first power of the photovoltaic module, the second power, the unit time, first preset time, default function
The financial value of the photovoltaic module is calculated in rate difference.
The control method 9. photovoltaic module according to claim 8 is sprayed water, which is characterized in that described according to the photovoltaic module
The first power, the second power, the unit time, first preset time, predetermined power difference, the light is calculated
Lie prostrate the financial value of component, comprising:
According to formula Y=(P2-P1) * T △/(T0*P △), the financial value to photovoltaic module described in the unit time of calculating,
In, Y is the financial value of the photovoltaic module in the unit time, and P1 is the first power, and P2 is the second power, and T △ is the unit
Time, T0 are first preset time, P △ is predetermined power difference.
The control method 10. photovoltaic module according to claim 7 is sprayed water, which is characterized in that further include:
When the financial value is less than or equal to second revenue threshold, warning information is sent to preset electronic equipment.
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| CN112564618B (en) * | 2020-12-03 | 2022-04-08 | 合肥阳光智维科技有限公司 | Cooling control method, device and system for photovoltaic module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006009112A1 (en) * | 2006-02-25 | 2008-02-21 | Institut Für Solarenergieforschung Gmbh | Solar circuit device for indirect thermal solar collector system, has heat exchanger cooling solar circuit with water to temperature above system dependent heat transfer medium evaporating temperature during downtime of solar circuit pump |
| CN102878019A (en) * | 2012-09-17 | 2013-01-16 | 太原科技大学 | Solar hot wind power generation and photovoltaic power generation combined structure and temperature reduction controlling method thereof |
| JP5334343B1 (en) * | 2012-10-29 | 2013-11-06 | 栄 北爪 | Solar system |
| CN105605713A (en) * | 2016-03-07 | 2016-05-25 | 北京科欧诺建材有限公司 | Roof cleaning and cooling system and building |
-
2017
- 2017-04-13 CN CN201710239912.8A patent/CN106953594B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006009112A1 (en) * | 2006-02-25 | 2008-02-21 | Institut Für Solarenergieforschung Gmbh | Solar circuit device for indirect thermal solar collector system, has heat exchanger cooling solar circuit with water to temperature above system dependent heat transfer medium evaporating temperature during downtime of solar circuit pump |
| CN102878019A (en) * | 2012-09-17 | 2013-01-16 | 太原科技大学 | Solar hot wind power generation and photovoltaic power generation combined structure and temperature reduction controlling method thereof |
| JP5334343B1 (en) * | 2012-10-29 | 2013-11-06 | 栄 北爪 | Solar system |
| CN105605713A (en) * | 2016-03-07 | 2016-05-25 | 北京科欧诺建材有限公司 | Roof cleaning and cooling system and building |
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