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秋季光伏會(huì)迎來(lái)“大豐收”嗎

返回列表 來(lái)源: 國(guó)網(wǎng)江蘇電力 發(fā)布日期: 2022.10.26 瀏覽次數(shù):

在光伏發(fā)電過(guò)程, 逆變器 作為核心裝置之一,其內(nèi)部電子元件眾多, 當(dāng)其持續(xù)工作時(shí),熱量會(huì)在腔體內(nèi)部匯集,導(dǎo)致溫度越來(lái)越高 。


因此,逆變器的裝設(shè)位置要 做好遮陽(yáng)和通風(fēng)工作 ,保證 空氣循環(huán)和對(duì)流 。由于秋季的風(fēng)一般要比夏季多,因此到了秋季,也有利于逆變器的降溫。


03
光伏組件傾角對(duì)發(fā)電量也有影響

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所謂“傾角”指的是光伏組件表面與地表水平面之間的夾角, 組件的傾角和朝向也是決定發(fā)電量的因素之一 。一般來(lái)講,組件平鋪時(shí)有利于夏季光伏發(fā)電,組件傾角較大時(shí)有利于冬季光伏發(fā)電。


為了適應(yīng)一年四季的光照情況,其傾角不會(huì)過(guò)小也不會(huì)過(guò)大, 在光伏組件安裝時(shí)會(huì)盡可能找到“最佳傾角” 。在此傾角下,將 有利于四季發(fā)電 。

由此可見(jiàn)

夏季的高溫天氣反而不利于光伏發(fā)電

而秋季溫度最適宜

因此發(fā)電效率也最高

尤其是秋高氣爽

云層稀薄之際

會(huì)使得光伏發(fā)電量up!up!up!


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清洗光伏設(shè)備的注意事項(xiàng)
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由于光伏面板長(zhǎng)時(shí)間裸露在空氣中,時(shí)間一長(zhǎng),面板不可避免積攢灰塵,影響發(fā)電效果。那么,在清洗光伏發(fā)電設(shè)備時(shí)有哪些注意事項(xiàng)呢?讓我們共同學(xué)習(xí)一下吧!


01 
注意保證人身安全和設(shè)備安全
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由于大部分的家用光伏是安裝在斜面屋頂之上,在進(jìn)行清潔時(shí),一定要 避免踏空摔傷或下滑擦傷 ,如果自己清洗有困難,可以找專(zhuān)業(yè)人員清洗。


除此之外,由于光伏設(shè)備需要眾多支架和螺絲進(jìn)行支撐及固定,在清洗組件時(shí)也要 注意不要破壞支撐結(jié)構(gòu) ,造成安全隱患。



02 
避開(kāi)光伏發(fā)電的最佳工作時(shí)間
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一定要 注意除塵時(shí)機(jī) 的選擇,白天陽(yáng)光充足,光伏發(fā)電設(shè)備處于工作之中,設(shè)備會(huì)存在高電壓,應(yīng)避免在此時(shí)間段內(nèi)進(jìn)行除塵工作。所以建議大家選擇 清晨 日出之前或傍晚太陽(yáng)落山后 再進(jìn)行清潔工作,有條件的話最好將光伏系統(tǒng)斷電,保證安全。


03 
選擇合適的清潔方法
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在排除漏電隱患的情況下,建議 選擇柔軟的刷子或軟布 配合專(zhuān)用清洗液 進(jìn)行面板清潔。清潔時(shí), 不要踩踏面板 ,也不要在面板很熱的時(shí)候直接將冷的清洗液噴在上面,清洗的力度也不要太大, 避免對(duì)表面造成破壞 



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 "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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