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          1. 東莞市星火太陽能科技股份有限公司

            13215150267
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            星火太陽能和你一起了解更多太陽能資訊
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            返回列表 來源: 光伏盒子 發布日期: 2022.05.12 瀏覽次數:

            今天給大家科普一下,自己家里安裝太陽能光伏發電站的話,是并網還是離網 ,需不需要蓄電池?


            離網光伏發電站

               這也被叫做獨立光伏發電站,是不依賴電網而獨立運行的發電系統,主要有太陽能電池板、儲能蓄電池、充放電控制器、逆變器等部件組成。太陽能電池板發出的電直接流入蓄電池并儲存起來,需要給電器供電時,蓄電池里的直流電流經逆變器并轉換成220V的交流電,這是一個重復循環的充放電過程。這種發電系統由于不受地域的限制,使用很廣泛,只要有陽光照射的地方就可以安裝使用,因此非常適合于偏遠無電網地區、孤島、漁船、戶外養殖基地等,也可以做為經常停電地區的應急發電設備。


               這種系統由于必須配備蓄電池,且占據了發電系統30-50%的成本。而且蓄電池的使用壽命一般都在3-5年,過后又得更換,這更是增加了使用成本。而經濟性來說,很難得到大范圍的推廣使用,因此不適合用電方便的地方使用。


               但對于無電網地區或經常停電地區家庭來說,又具有很強的實用性。特別是單純為了解決停電時的照明問題,可以采用直流節能燈,非常實用。因此,離網發電系統是專門針對無電網地區或經常停電地區場所使用的。


            Today give you a popular science, if you install solar photovoltaic power stations in your home, is connected to the grid or off the grid, do you need batteries?  

             

             

             

            Off-grid photovoltaic power station  

             

            This is also called independent photovoltaic power station, which is independent of the power grid and operates independently. It is mainly composed of solar panels, energy storage batteries, charge and discharge controllers, inverters and other components.   The electricity from the solar panel flows directly into the battery and is stored. When it is needed to power the electrical appliance, the direct current in the battery flows through the inverter and is converted into 220V ALTERNATING current. This is a repetitive charging and discharging process.  This kind of power generation system is widely used because it is not restricted by region and can be installed and used as long as there is sunlight. Therefore, it is very suitable for remote areas without power grid, isolated islands, fishing boats, outdoor breeding bases, etc., and can also be used as emergency power generation equipment in areas with frequent power outages.  

             

             

             

            Such systems account for 30-50% of the cost of generating electricity because they must be equipped with batteries.  And the service life of the battery is generally in 3-5 years, and then have to be replaced, which is to increase the cost of use.  In terms of economy, it is difficult to be widely promoted and used, so it is not suitable for use in places where electricity is convenient.  

             

             

             

            However, it is very practical for families in areas without power grid or in areas with frequent power outages.  In particular, in order to solve the lighting problem when power failure, you can use DC energy-saving lamps, very practical.  Therefore, off-grid power generation system is designed for use in areas without power grid or areas with frequent power outages.  

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