沒(méi)有危害，光伏發(fā)電的原理是純物理效應(yīng) ，將照射在電池板上的光轉(zhuǎn)化為電能，又不通過(guò)你的身體轉(zhuǎn)化，怎會(huì)對(duì)人體有傷害，而且你家房頂被蓋到的地方還可免受日曬風(fēng)吹。

以杭州地區(qū)光照條件為例，每瓦年發(fā)電量約1度，那么這一座發(fā)電系統(tǒng)年發(fā)電量能達(dá)到3000度左右，不僅滿足自家生活用電，多余的電還能通過(guò)并網(wǎng)的方式賣給國(guó)家，收取電費(fèi)。出于對(duì)光伏電站質(zhì)量及安全的考慮，建議請(qǐng)專業(yè)的安裝人員進(jìn)行安裝，在此之前，還需注意和小區(qū)物業(yè)溝通，而住樓房的朋友，則還需經(jīng)過(guò)樓里住戶的同意和居委會(huì)的批準(zhǔn)。

s rural rooftop PV harmful?  

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No harm, the principle of photovoltaic power generation is pure physical effect, will illuminate the light on the panel into electricity, and not through your body conversion, how will harm the human body, and the roof of your home is covered to the place can also be protected from the sun and wind.  

Generally speaking, housetop can use area is primary consideration problem.  If you have 30 square meters of usable roof space, you could have a distributed photovoltaic system with a capacity of 3 kilowatts, and that 3 kilowatts would cover almost all of your daily electricity needs.  

Taking the lighting conditions in Hangzhou as an example, the annual power generation capacity of each watt is about 1 KWH, so the annual power generation capacity of this power generation system can reach about 3000 KWH, which not only meets the needs of their own living electricity, but also can be sold to the state through the way of connecting the grid to collect electricity.   For the consideration of the quality and safety of photovoltaic power station, it is recommended to invite professional installation personnel to install. Before this, we need to pay attention to the communication with the residential property, and the friends who live in the building need to pass the consent of the residents in the building and the approval of the neighborhood committee.  

There are many friends asked about lightning protection, leakage and other problems.  In fact, do not worry about these, distributed photovoltaic power generation system in the design and installation of lightning protection facilities, effectively avoid summer lightning hazard.  And about electricity leakage, installation personnel in the installation of professional connectors for installation, electrical equipment are also protective facilities, can effectively prevent the occurrence of electricity leakage problems.  

02  

What are the shading advantages of photovoltaic panels?  

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External blinds advantage product requirements: light perspective, low carbon energy saving green environmental protection, shading, heat insulation, wind pressure resistance, fire retardant, self-cleaning easy clean huo, fashion beautiful, above all, to meet the requirements of the product can only be good wind resistance and flame retardant properties of the high-rise building wind outside sunshade shade products ", because it have wind and fire prevention performance can meet all the requirements.