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秋季光伏会迎来“大丰收”吗

返回列表 来源: 国网江苏电力 发布日期: 2022.10.26 浏览次数:

在光伏发电过程, 逆变器 作为核心装置之一,其内部电子元件众多, 当其持续工作时,热量会在腔体内部汇集,导致温度越来越高


因此,逆变器的装设位置要 做好遮阳和通风工作 ,保证 空气循环和对流 。由于秋季的风一般要比夏季多,因此到了秋季,也有利于逆变器的降温。


03
光伏组件倾角对发电量也有影响

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所谓“倾角”指的是光伏组件表面与地表水平面之间的夹角, 组件的倾角和朝向也是决定发电量的因素之一 。一般来讲,组件平铺时有利于夏季光伏发电,组件倾角较大时有利于冬季光伏发电。


为了适应一年四季的光照情况,其倾角不会过小也不会过大, 在光伏组件安装时会尽可能找到“最佳倾角” 。在此倾角下,将 有利于四季发电

由此可见

夏季的高温天气反而不利于光伏发电

而秋季温度最适宜

因此发电效率也最高

尤其是秋高气爽

云层稀薄之际

会使得光伏发电量up!up!up!


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清洗光伏设备的注意事项
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由于光伏面板长时间裸露在空气中,时间一长,面板不可避免积攒灰尘,影响发电效果。那么,在清洗光伏发电设备时有哪些注意事项呢?让我们共同学习一下吧!


01 
注意保证人身安全和设备安全
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由于大部分的家用光伏是安装在斜面屋顶之上,在进行清洁时,一定要 避免踏空摔伤或下滑擦伤 ,如果自己清洗有困难,可以找专业人员清洗。


除此之外,由于光伏设备需要众多支架和螺丝进行支撑及固定,在清洗组件时也要 注意不要破坏支撑结构 ,造成安全隐患。



02 
避开光伏发电的最佳工作时间
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一定要 注意除尘时机 的选择,白天阳光充足,光伏发电设备处于工作之中,设备会存在高电压,应避免在此时间段内进行除尘工作。所以建议大家选择 清晨 日出之前或傍晚太阳落山后 再进行清洁工作,有条件的话最好将光伏系统断电,保证安全。


03 
选择合适的清洁方法
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在排除漏电隐患的情况下,建议 选择柔软的刷子或软布 配合专用清洗液 进行面板清洁。清洁时, 不要踩踏面板 ,也不要在面板很热的时候直接将冷的清洗液喷在上面,清洗的力度也不要太大, 避免对表面造成破坏 



In the process of photovoltaic power generation, the inverter, as one of the core devices, has many internal electronic components. When it continues to work, the heat will be collected inside the cavity, leading to higher and higher temperature.  

 

 

 

Therefore, the installation position of the inverter should do a good job of shading and ventilation, to ensure air circulation and convection.   Because the wind in autumn is generally more than in summer, so in autumn, it is also conducive to the cooling of the inverter.  

 

 

03  

The Angle of PV module also has an effect on the power generation  

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The picture  

 

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The "dip Angle" refers to the Angle between the surface of the PV module and the surface water plane. The dip Angle and orientation of the module are also factors that determine the power generation.   Generally speaking, module tiling is conducive to summer photovoltaic power generation, module tilt is conducive to winter photovoltaic power generation.  

 

 

 

In order to adapt to the light conditions throughout the year, the Angle will not be too small or too large, when the photovoltaic module installation will try to find the "best Angle".   In this Angle, will be conducive to the four seasons of power generation.  

 

Thus it can be seen  

 

Hot summer weather is not conducive to photovoltaic power generation  

 

The temperature is best in autumn  

 

Hence the most efficient generation  

 

Especially in the cool autumn  

 

When the clouds are thin  

 

Will make the photovoltaic power generation up!  The up!   up!  

 

 

 

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Precautions for cleaning photovoltaic equipment  

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Because the photovoltaic panel is exposed in the air for a long time, the panel will inevitably accumulate dust over time, affecting the power generation effect.   So, what should we pay attention to when cleaning photovoltaic power generation equipment?   Let's study together!  

 

 

01  

Ensure personal safety and device safety  

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Because most of the household photovoltaic is installed on the inclined roof, when cleaning, it is necessary to avoid falling injury or sliding abrasion. If you have difficulties cleaning yourself, you can find professionals to clean.  

 

 

 

In addition, because the photovoltaic equipment needs many brackets and screws to support and fix, attention should also be paid to not damage the support structure and cause safety risks when cleaning the components.  

 

 

 

 

02  

The best working hours to avoid photovoltaics  

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Attention must be paid to the selection of dust removal time. In the daytime, the sunlight is sufficient, the photovoltaic power generation equipment is in operation, and there will be high voltage in the equipment. The dust removal work should be avoided during this period.   Therefore, it is recommended that you choose the morning before sunrise or evening after the sun goes down to clean the work, if possible, it is best to power off the photovoltaic system to ensure safety.  

 

 

03  

Choose the right cleaning method  

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It is recommended to choose a soft brush or soft cloth together with special cleaning liquid to clean the panel in the case of eliminating the leakage danger.   When cleaning, do not step on the panel, and do not spray cold cleaning liquid directly on the panel when it is very hot. The intensity of cleaning is not too large to avoid damage to the surface. 

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