KR101148020B1 - Cooling system of photovoltaic module for efficiency enhancement - Google Patents

Cooling system of photovoltaic module for efficiency enhancement Download PDF

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KR101148020B1
KR101148020B1 KR1020100072715A KR20100072715A KR101148020B1 KR 101148020 B1 KR101148020 B1 KR 101148020B1 KR 1020100072715 A KR1020100072715 A KR 1020100072715A KR 20100072715 A KR20100072715 A KR 20100072715A KR 101148020 B1 KR101148020 B1 KR 101148020B1
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South Korea
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cooling water
time
coolant
injection
power generation
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KR1020100072715A
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Korean (ko)
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KR20120011933A (en
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유상필
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(주)하이레벤
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Priority to KR1020100072715A priority Critical patent/KR101148020B1/en
Priority to PCT/KR2010/006434 priority patent/WO2012011634A1/en
Priority to JP2013520628A priority patent/JP5548824B2/en
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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 present invention relates to a facility for improving efficiency of photovoltaic power generation facilities. The efficiency improvement system of the solar power generation system according to the present invention, the solar power generation facility of maintaining or improving the efficiency by spraying the coolant to the solar power generation system consisting of photovoltaic modules that collect electricity to generate electricity An efficiency improving apparatus, comprising: a storage tank for storing cooling water; Coolant injection means for injecting coolant into the solar module; A pump for pumping the cooling water stored in the storage tank and supplying the cooling water to the cooling water injection means through a cooling water supply pipe; A valve for opening and closing the cooling water supply pipe to control cooling water injection of the cooling water injection means; And a control unit controlling the driving of the pump and the opening and closing of the valve to control the cooling water injection of the cooling water injection means, wherein the control unit is configured to control the injection and stop of the cooling water from the starting start time to the end time of the driving. While repeating to spray the coolant, it is characterized in that to increase the injection speed of the cooling water from the driving start time to the predetermined maximum temperature time, and to reduce the injection speed of the cooling water from the maximum temperature time to the end time of the drive.

Figure R1020100072715

Description

COOLING SYSTEM OF PHOTOVOLTAIC MODULE FOR EFFICIENCY ENHANCEMENT}

The present invention relates to a facility for improving efficiency of a solar power plant, and more particularly, to the efficiency of a photovoltaic plant that can effectively utilize a limited supply water quantity and effectively maintain / improve the efficiency of the solar power plant. It relates to an improvement facility.

Generally, the method of using solar energy is largely divided into a method using solar heat and a method using solar light. The method of using solar heat is to heat and generate electricity using water heated by the sun, and the method of using solar light can generate electricity by using the light of the sun to operate various machines and appliances. It is called solar power.

In the above-described method, the photovoltaic effect in which photovoltaic power generation is caused by electron-hole electromotive force generated by light energy when irradiating sunlight to a pn junction photovoltaic panel with n-type doping on a silicon crystal. Generate electricity using

To this end, a solar cell for condensing sunlight, a photovoltaic module that is an assembly of solar cells, and a solar array in which the solar cells are constantly arranged are required.

For example, when light is incident on the solar module from the outside, electrons in the conduction band of the p-type semiconductor are excited to the valence band by the incident light energy. One electron-hole pair (EHP) is formed inside the p-type semiconductor, and electrons in the electron-hole pair generated are transferred to the n-type semiconductor by an electric field existing between the pn junctions. It passes over and supplies current to the outside.

Unlike conventional energy sources such as fossil raw materials, sunlight is a clean energy source without the risks of greenhouse gas emissions, noise, and environmental degradation that cause global warming, and there is no fear of exhaustion. In addition, unlike other wind and sea power, solar power plants have the advantage of free installation and low maintenance costs.

However, in the case of the most widely used silicon solar cell, when the temperature of the photovoltaic module rises, output decrease of 0.5% per 1 ° C occurs. According to these characteristics, the output of solar power peaks in spring and autumn, not in the summer when the sun is the longest. This increase in temperature is a major cause of lowering the power generation efficiency of photovoltaic power generation.

In addition, the photovoltaic module has a disadvantage that dirt may easily accumulate on the solar panel due to meteorological phenomena such as yellow sand and bad weather. If dirt accumulates on the photovoltaic module, the light absorption rate of the photovoltaic module is significantly reduced, and thus the power generation efficiency may also be reduced.

In addition, when rain or snow falls on the solar panel in winter, a decrease in power generation efficiency may occur. In order to prevent the deterioration of power generation efficiency caused by dirt, snow, and rain, a photovoltaic power plant maintenance device is used.

Photovoltaic power generation equipment efficiency improvement equipment (maintenance equipment) performs constant power generation by photovoltaic module cooling by cooling the temperature of photovoltaic module and washing and snow removing dirt, snow and rain accumulated on solar panel. It functions to maintain and maintain photovoltaic power generation facilities.

As such, the solar power plant efficiency improvement facility uses enormous amounts of water (cooling water, washing water, snow removal water, etc., but may be collectively referred to as cooling water) for cooling and cleaning the solar module. Depending on the location, groundwater, tap water, and river water are used as cooling water. In many areas where supply of sufficient cooling water is difficult, electricity used for supplying and spraying cooling water also reduces the efficiency of the photovoltaic plant as a whole. Efficient use of cooling water is one of the most important factors in the design of PV plant maintenance.

Therefore, there is an urgent need for the development of a photovoltaic power plant efficiency improving system that can effectively maintain and improve the efficiency of the photovoltaic power plant and efficiently utilize cooling water.

Accordingly, the present invention has been invented to solve such a problem, and provides an efficiency improving facility of a solar power plant that can efficiently utilize a limited supply water quantity and effectively maintain / improve the efficiency of the solar power plant. It aims to do it.

In order to achieve the above object, the present invention, by improving the efficiency of the photovoltaic power generation facilities to maintain or improve the efficiency by injecting a coolant to the photovoltaic power generation equipment consisting of photovoltaic modules for collecting electricity to generate electricity A storage tank for storing cooling water; Coolant injection means for injecting coolant into the solar module; A pump for pumping the cooling water stored in the storage tank and supplying the cooling water to the cooling water injection means through a cooling water supply pipe; A valve for opening and closing the cooling water supply pipe to control cooling water injection of the cooling water injection means; And a controller configured to control the driving of the pump and the opening and closing of the valve to control the cooling water injection of the cooling water injection means, wherein the control unit comprises the injection of the cooling water from the starting start time to the end of the driving time. The cooling water is sprayed while repeating the stop, and the driving time from the start time to the predetermined maximum temperature time to increase the injection speed of the cooling water, and from the maximum temperature time to the end of the drive time characterized in that the cooling rate of the cooling water is reduced Provide efficiency improvement facilities of photovoltaic facilities.

The controller may control the injection speed, the driving start time, the driving end time, the maximum temperature time, the injection time and the stop time of the coolant based on the input value.

The injection speed, drive start time, drive end time, maximum temperature time, injection time and stop time of the coolant may be determined in consideration of the available quantity of the day. In addition, it may be determined in consideration of the sunrise time, sunset time, temperature change of the solar module according to time.

The injection speed, drive start time, drive end time, maximum temperature time, injection time and stop time of the coolant may be input for each period.

The controller may stop the injection of the coolant when it is determined that it is raining by determining whether the rain sensor is on or off.

The controller may continuously spray the coolant when the light transmittance of the solar module is less than a set value.

The water pressure in the cooling water supply pipe may be measured, and the start may be terminated when the measured water pressure is less than the set minimum pressure or exceeds the maximum pressure.

The coolant spraying means may inject a jet of collision coolant into the solar module. For this purpose, the coolant sprayed from the coolant spraying means to the solar module has a flow rate of 30 m / s based on the inlet of the coolant spraying means. It is above and it is preferable that a pressure is 1.6 kg / cm <2> or more.

The efficiency improving apparatus of the solar power plant may further include a softening device for softening the cooling water.

It is preferable that the efficiency improvement apparatus of the said photovoltaic power generation facility further includes a collection part for collecting used cooling water.

According to the efficiency improvement equipment of the photovoltaic power generation equipment according to the present invention, by operating in accordance with the specified injection speed, drive start time, drive end time, injection time and stop time, the efficiency of the photovoltaic power generation equipment in a simple manner effectively Maintain / enhance.

In particular, since the injection of the coolant is controlled according to the specified injection speed, start time, end time, maximum temperature, injection time and stop time, it is possible to accurately predict the daily amount of cooling water and effectively utilize the limited supply quantity. Can be.

Furthermore, by using the rain sensor to determine the rainfall to prevent unnecessary cooling water injection, by measuring the light transmittance continuously injecting the cooling water to remove snow in the case of snowfall in the solar module, measuring the water pressure in the cooling water supply pipe When the water pressure in the cooling water supply pipe is out of an appropriate range, starting is terminated, so that an abnormal phenomenon can be effectively coped with.

1 is a block diagram showing the efficiency improvement equipment of the photovoltaic power generation equipment according to an embodiment of the present invention.
FIG. 2 is a diagram schematically illustrating a time at which coolant is injected and a time at which spraying of the coolant is stopped in an efficiency improving system of a solar power generation facility according to an embodiment of the present invention.
3 is a graph showing the temperature change of the module of the tracking photovoltaic power generation equipment.
4 is a graph showing the temperature change of the module of the stationary solar power plant.
5 is a block diagram showing the efficiency improvement equipment of the photovoltaic power generation equipment according to another embodiment of the present invention.
6 is a view showing a drip tray installed in the solar module according to an embodiment of the present invention.
Figure 7 is a view showing a state in which the collection tank is installed under the solar module according to an embodiment of the present invention.

Hereinafter, the same reference numerals will be described in detail with reference to the accompanying drawings, with reference to the same components preferred embodiments of the present invention. The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical meanings and concepts of the present invention.

The embodiments described in the specification and the configuration shown in the drawings are preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, various equivalents and modifications that can replace them at the time of the present application are There may be.

1 is a block diagram showing the efficiency improvement equipment of the photovoltaic power generation equipment according to an embodiment of the present invention.

Referring to FIG. 1, solar modules 7 are listed, and efficiency improving facilities are installed as facilities for maintaining and managing the solar modules 7.

The photovoltaic module 7 is an assembly of a plurality of solar cells. When light enters the photovoltaic module 7 from the outside, the photovoltaic module 7 is housed by the light energy in which electrons of the conduction band of the p-type semiconductor are incident. The excited electrons are excited in a valence band, and the excited electrons form an electron hole pair (EHP) inside the p-type semiconductor, and the electrons in the electron-hole pair thus generated are interposed between the pn junctions. The existing electric field (electron field) is transferred to the n-type semiconductor to supply the current to the outside.

However, since the solar module 7 is installed outside to collect sunlight, it is exposed to the external environment as it is, and contaminants such as scattering dust, algae secretions, yellow dust, and snow are attached, and the amount of condensation is reduced, thereby generating power generation efficiency. This decreases. In addition, by being continuously exposed to sunlight and heated by solar heat, the internal resistance of the photovoltaic module is increased, which is also a factor for lowering the power generation efficiency.

The present invention relates to a facility that can maintain and improve the efficiency of photovoltaic power generation by removing factors that lower the efficiency of photovoltaic power generation facilities by cooling, washing, and snow removing the photovoltaic module (7).

The efficiency improvement facilities of the conventional photovoltaic power generation facility uses too much coolant by continuously spraying the coolant for a predetermined time, and frequently occurs an excessive amount of the coolant to be consumed early compared to the quantity supplied. In addition, in the case where the manager of the facility adjusts the operation of the facility, waste of manpower is severe and there is a problem that efficient facility management is difficult because the facility cannot be properly driven when necessary. Even in the case of controlling the operation of the facility according to the temperature or temperature of the solar module, in spite of the limited supply quantity when the temperature rises excessively, the excessive amount of water is used in advance so that the quantity supplied is efficiently distributed and used. There was a problem not to do.

The efficiency improving equipment of the photovoltaic power generation system of the present invention operates according to a specified start time, end time, maximum temperature time, injection time and stop time, thereby effectively maintaining / improving the efficiency of the photovoltaic power generation facility. You can.

Efficiency improvement of the solar power plant according to an embodiment of the present invention is the storage tank 1, the coolant injection means 6, the coolant supply pipe 5, the pump 25, the valve 20, the control unit 3 And a sensing unit 4.

Cooling water injection means (6) is installed to correspond to each of the solar modules (7) is a means for injecting the coolant to spray the coolant to the solar module (7). In the present embodiment, the coolant spray means 6 is designed to correspond to the solar module 7 in a one-to-one manner, but considering the area of the solar module 7 and the sprayed area of the coolant spray means 6, Two or more solar modules 7 may correspond to one coolant injection means 6, or one solar module 7 may correspond to two or more coolant injection means 6.

On the other hand, if the cooling water injection means 6 flows or weakly sprays the cooling water into the solar module 7, it is difficult to obtain a sufficient cooling and cleaning effect. Do it. The impingement jet has excellent heat and material transfer effects from the fluid to the impingement surface, thereby improving cooling and cleaning effects. However, in order to generate a collision jet, the speed of the coolant is 30 m / s or more and the pressure is 1.6 kg / cm 2 or more, based on the inlet of the coolant spray means 6 for injecting the coolant into the solar module 7. desirable. Here, the inlet of the coolant spray means 6 refers to the end of the coolant spray means 6 into which coolant is injected to the outside.

The cooling water spraying means 6 according to the present embodiment is fixed so that the cooling water is evenly sprayed on the front surface of the solar module 7 while reciprocating left and right, instead of spraying the cooling water only in one direction.

If the cooling water spraying means 6 is fixed and sprays the cooling water on the front surface of the solar module 7, the number of the spraying means increases and the amount of water that can be used due to the water pressure decrease is limited, so that the water pressure drops and the front of the solar module is reduced. It is not easy to generate a crash jet on. However, as in the present embodiment, when the coolant injection means 6 reciprocates to the left and right, spraying the coolant only on a part of the photovoltaic module 7 may increase the water pressure of the coolant to easily generate a collision jet. Cooling and cleaning efficiency can be improved.

The cooling water supply pipe 5 serves to deliver the cooling water supplied from the storage tank 1 to the injection means 6 through the pump 25. The cooling water supply pipe 5 is preferably embedded in the ground to maintain the temperature of the cooling water.

The pump 25 pumps the cooling water stored in the storage tank 1 to supply the cooling water to the cooling water injection means 6 through the cooling water supply pipe 5, and the valve 20 opens and closes the cooling water supply pipe 5 to spray the cooling water. The means 6 controls the cooling water injection.

The control unit 3 is a part for controlling the cooling water injection of the cooling water injection means 6 by adjusting the pump 25 and the valve 20, driving or stopping the pump 25, and opening or closing the valve 20. Let's do it.

The control unit 3 allows the coolant spraying means 6 to spray the coolant from the start starting time of the day to the end time of the driving, thereby allowing the coolant to be sprayed only when the solar module 7 is overheated by sunlight. It can prevent the consumption of cooling water.

On the other hand, if the coolant is continuously sprayed, excessively high amount of coolant is consumed when the high pressure coolant is jetted to generate the collision jet, and if the coolant continues to flow in the solar module 7, the refracting and scattering of sunlight by the coolant is caused. Power generation efficiency can be reduced. On the contrary, the efficiency improving apparatus of the present invention can solve such a problem by spraying the coolant while repeating the spraying and stopping of the coolant.

In addition, the coolant spraying means 6 sprays the coolant while repeating the spraying and stopping of the coolant from the start starting time of the day to the end time of driving, while increasing the spraying speed of the coolant from the start time of the drive to the predetermined maximum temperature time. By decreasing the spraying speed of the cooling water from the highest temperature time to the driving end time, a larger amount of cooling water is injected during the time when the temperature of the solar module 7 is higher, and the solar module 7 During the time when the temperature of) decreases, a small amount of coolant may be injected to effectively arrange the amount of coolant used. Here, the injection speed of the cooling water refers to the speed at which the cooling water is injected based on the inlet of the cooling water injection means 6.

FIG. 2 is a diagram schematically illustrating a time at which coolant is injected and a time at which spraying of the coolant is stopped in an efficiency improving system of a solar power generation facility according to an embodiment of the present invention. In the embodiment of Figure 2, the injection time and the stop time of the injection of the coolant is stopped to maintain a constant from the start time to the end time driving, the injection time and the stop time is changed over time It may be designed to. For example, the injection time from the start time to the maximum temperature time can be increased or the stop time gradually increased, and the injection time from the maximum temperature time to the drive end time can be gradually decreased or the stop time increased gradually. have. Injection time and stop time can be adjusted in various other ways.

The injection time is divided into several sections by the stop time, and the injection speed may be increased or decreased each time the section is changed while being constant for each injection section, or may be increased or decreased even in one section. . On the other hand, the injection speed may change in the form of a first-order function that increases or decreases at a constant rate with time, but other types of functions such as second, third, and one-half order may be selected alone or in combination. Can be. The shape of the increase function and the decrease function may be determined according to various factors such as temperature change of the region in which the solar module 7 is installed, temperature of the coolant, and the like.

The injection speed of the coolant may be adjusted according to the injection water pressure. The injection water pressure may be controlled by using a variable regulator, adjusting the rotational speed of the motor (current and voltage), and other general pressure adjustment methods. Can be applied.

There are two types of photovoltaic power generation facilities: a tracking power plant that tracks sunlight as the solar module rotates according to the altitude of the sun, and a stationary power plant that is fixed regardless of the altitude of the sun. 3 is a graph showing the temperature change of the module 7 of the tracking photovoltaic power generation equipment, Figure 4 is a graph showing the temperature change of the module 7 of the stationary photovoltaic power generation equipment. In the fixed photovoltaic power generation facility, since the solar module 7 is fixed and the temperature of the solar module 7 increases and decreases, the control method as in the present invention may be particularly effectively used. However, the application of the efficiency improving apparatus of the present invention is not limited to the stationary photovoltaic power generation facility, and even in the case of the tracked photovoltaic power generation facility, the efficiency improving device of the present invention is applied to maintain the efficiency more effectively than the prior art. Can be improved.

The injection speed, start time, end time, maximum temperature time, injection time and stop time of the coolant are determined by the quantity available during the day (capacity of the storage tank 1 and the amount of coolant supplied to the daily storage tank 1). ), A period of time, for example a month, taking into account the temperature of the solar module 7 (for example, it can be obtained from the record of the previous year or calculated from the altitude of the sun), the sunrise time and the sunset time, etc. It can be determined very much.

On the other hand, if it is determined that the rain during the rain according to the on-off state of the rain sensor 43, the controller 3 can stop the injection of the cooling water to prevent unnecessary consumption of the cooling water. In addition, by measuring the light transmittance of the photovoltaic module 7 by using the light transmittance measuring sensor 44, the snow can be removed quickly when the snow module 7 is snow.

In addition, the control unit 3 measures the pressure in the cooling water supply pipe 5 and terminates the start of the efficiency improving equipment when the pressure is out of the predetermined pressure range. If the measured pressure exceeds the maximum value of the set pressure range, a problem such as freezing of the coolant occurs in the coolant supply pipe 5, and if the measured pressure does not reach the minimum value of the set pressure range, the coolant supply pipe Since problems such as leakage occur in (5), this can prevent the failure of the equipment and use the cooling water more efficiently.

The controller 3 receives various sensing information from the sensing unit 4 to control the driving of the pump 25 and the opening and closing of the valve 20 as described above. The sensing unit 4 may include a timer 41, a pressure sensor 42, a rain sensor 43, a light transmittance measuring sensor 44, and the like.

Efficiency improvement equipment of the photovoltaic power generation facility of the present invention may further include a softening device (8) as shown in FIG. The softening device 8 may include a cation exchange resin as a device for softening the cooling water. The softening device 8 can remove calcium ions and magnesium ions in the cooling water to prevent the buildup of scale on the solar module 7 and the cooling water supply pipe 6. The softening device 8 may be replaced by a softener supply unit (not shown) for supplying softeners such as sodium phosphate, sodium borate, sodium carbonate, ammonium hydroxide, sodium hydroxide and potassium hydroxide in addition to the cation exchange resin.

The softening device 8 is preferably arranged in front of the pump 25 so that the cooling water is softened and then transferred to the pump 25. The pump 25 includes metallic tubes so that scale may accumulate therein. Thus, by placing the softening device 8 at the front end of the pump 25, the pump 25 may be prevented from accumulating in the pump 25 to prevent the buildup of cooling water. Enables smooth flow In FIG. 5, the softening device 8 is disposed between the storage tank 1 and the pump 25, but may be disposed in front of the storage tank 1.

On the other hand, the efficiency improvement equipment of the present invention may further include a collection portion (71, 72) for collecting the cooling water and rain water used for reuse. For example, the water collecting unit may be installed at the bottom of the solar module as shown in FIG. 6, and may be installed in the form of a drip tray 71 so as to collect cooling water, and also as shown in FIG. 7. It may also be installed in the form of a sump 72 to collect the coolant falling from the module to the ground.

In addition, a functional material addition unit (not shown) may be connected to the cooling water supply pipe 6 or the storage tank 1. As the functional material, a cleaning agent or a freezing agent may be added to improve cleaning efficiency and prevent freezing of the cooling water supply pipe.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas falling within the scope of the same shall be construed as falling within the scope of the present invention.

Claims (11)

In the efficiency improvement equipment of the photovoltaic power generation facilities to maintain or improve the efficiency by spraying the coolant to the photovoltaic power generation equipment consisting of photovoltaic modules that collect electricity to generate electricity,
A storage tank for storing coolant;
Coolant injection means for injecting coolant into the solar module;
A pump for pumping the cooling water stored in the storage tank and supplying the cooling water to the cooling water injection means through a cooling water supply pipe;
A valve for opening and closing the cooling water supply pipe to control cooling water injection of the cooling water injection means; And
It includes a control unit for controlling the driving of the pump and the opening and closing of the valve to control the cooling water injection of the cooling water injection means,
The control unit is configured to allow the coolant spraying means to spray the coolant while repeating the spraying and stopping of the coolant from the start starting time of the day to the end of the driving time, and increase the spraying speed of the coolant from the start time to the predetermined maximum temperature time. From the maximum temperature time to the end time of driving to reduce the injection speed of the coolant,
The control unit, the efficiency improvement equipment of the photovoltaic power generation facility, characterized in that for controlling the injection speed, the drive start time, the drive end time, the maximum temperature time, the injection time and the stop time of the coolant according to the input value.
delete The method of claim 1,
The injection speed, the start time of driving, the end time of driving, the maximum temperature time, the injection time and the stop time of the coolant are determined in consideration of the quantity available in the day, the efficiency improvement equipment of the solar power plant.
The method of claim 3,
The injection speed, the drive start time, the drive end time, the maximum temperature time, the injection time and the stop time of the cooling water are input for a certain period of time, the efficiency improvement equipment of the solar power plant.
The method of claim 1,
The control unit, if the rain sensor determines whether the rain is on or off, the efficiency of the solar power generation equipment, characterized in that to stop the injection of the cooling water.
The method of claim 1,
Wherein the control unit, if the light transmittance of the photovoltaic module is less than the set value, the efficiency improvement equipment of the photovoltaic power generation facility, characterized in that for continuously spraying the cooling water.
The method of claim 1,
Measuring the water pressure in the cooling water supply pipe and if the measured water pressure is less than the set minimum pressure or exceeds the maximum pressure, the efficiency improvement equipment of the solar power plant, characterized in that the end.
The method of claim 1,
The cooling water spraying means is an efficiency improving equipment of the solar power plant, characterized in that for spraying the jet of the cooling water to the solar module.
The method of claim 8,
The cooling water sprayed from the cooling water spraying means to the solar module has a flow rate of 30 m / s or more and a pressure of 1.6 kg / cm 2 or more based on the inlet of the cooling water spraying means. .
The method of claim 1,
Efficiency improvement equipment of the solar power plant, characterized in that it comprises a softening device for softening the cooling water.
The method of claim 1,
Efficiency improvement equipment of the solar power plant, characterized in that it further comprises a collecting section for collecting the used coolant.




KR1020100072715A 2010-07-22 2010-07-28 Cooling system of photovoltaic module for efficiency enhancement KR101148020B1 (en)

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KR1020100072715A KR101148020B1 (en) 2010-07-28 2010-07-28 Cooling system of photovoltaic module for efficiency enhancement
PCT/KR2010/006434 WO2012011634A1 (en) 2010-07-22 2010-09-17 Efficiency enhancement equipment for solar photovoltaic power facilities
JP2013520628A JP5548824B2 (en) 2010-07-22 2010-09-17 Equipment for improving the efficiency of solar power generation equipment

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KR101416846B1 (en) * 2012-09-06 2014-07-09 (주)하이레벤 Efficiency enhancement equipment for solar photovoltaic power facilities
KR20200018991A (en) 2018-08-13 2020-02-21 주식회사 행복아이티 Single Axis Tracking Type Solar Photovoltaic System
KR20200023939A (en) 2018-08-27 2020-03-06 주식회사 행복아이티 Double Axis Tracking Type Solar Photovoltaic System
KR102594325B1 (en) 2022-09-13 2023-10-26 주식회사 케이엘테크놀로지 Protection system for solar power generation facilities

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KR101236792B1 (en) * 2012-04-27 2013-02-28 전명수 Circulation cooling apparatus for solar cell module
KR101379234B1 (en) * 2012-09-26 2014-03-31 (주)하이레벤 Efficiency enhancement equipment for solar photovoltaic power facilities
CN107547045A (en) * 2017-08-10 2018-01-05 江苏大学 A kind of photovoltaic water pump is cooled down with cleaning integrated device and its method of work with cell panel
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Publication number Priority date Publication date Assignee Title
KR101416846B1 (en) * 2012-09-06 2014-07-09 (주)하이레벤 Efficiency enhancement equipment for solar photovoltaic power facilities
KR20200018991A (en) 2018-08-13 2020-02-21 주식회사 행복아이티 Single Axis Tracking Type Solar Photovoltaic System
KR20200023939A (en) 2018-08-27 2020-03-06 주식회사 행복아이티 Double Axis Tracking Type Solar Photovoltaic System
KR102594325B1 (en) 2022-09-13 2023-10-26 주식회사 케이엘테크놀로지 Protection system for solar power generation facilities

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