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太阳能电池板的热斑是什么? - 深圳太阳能板厂家/工厂,专注太阳能板生产15年-幻启科技(深圳)有限公司

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太阳能电池板的热斑是什么?

幻启太阳能科技 10/13/2020

在太阳能路灯使用过程中,要想保证长久而有效的照明效果,太阳能电池板的功能是一定要保证的,若是出现故障,太阳能路灯整个系统的使用都会受到影响,那么太阳能路灯在使用过程中,经常会有哪样一些故障呢?又该如何去避免和防止呢?

①热斑问题

a. 造成原因

太阳能路灯在使用的过程中,电池板上难免会落下一些灰尘、树叶等杂物,造成电池板上的局部阴影,这些局部阴影会导致电板板中的一些电池单片中的电流、电压都发生变化,会造成局部升温的后果,时间长了之后就会出现一些明显烧坏热斑。

太阳能智能投射灯

b. 造成后果

当太阳能电池板发生热斑效应,达到一定程度后,会让电池板组件焊接点融化,毁坏栅线,慢慢的让电池板组件整块都损坏,不仅会严重影响到照明系统,还至少会减少到其10%的寿命。

c. 如何避免

在前期设计的时候,在电池板的电池单片串联的时候,在其中并联一个二极管,起到很好的分压作用,能有效防止太阳能电池板的热斑效应;除此之外,在后期安装的时候,也要注意避免安装在无遮挡的地方,一点遮挡都不允许,而且要注意定期清理掉上面的灰尘等杂物。

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