屋頂光伏電站是利用太陽能光伏電池板將太陽光轉(zhuǎn)化為電能的設施，安裝在屋頂上。

其作用如下：
1. 發(fā)電：屋頂光伏電站可以將陽光轉(zhuǎn)化為電能，供屋內(nèi)用電。光伏發(fā)電是一種清潔、可再生的能源形式，不會產(chǎn)生二氧化碳等有害氣體，對環(huán)境友好。
2. 節(jié)約能源：通過屋頂光伏電站發(fā)電，可以減少對傳統(tǒng)能源的依賴，節(jié)約能源成本。尤其在太陽充足的地區(qū)，光伏電站可以提供相當一部分屋內(nèi)電力需求。
3. 減少碳排放：屋頂光伏電站不像傳統(tǒng)燃煤或燃油發(fā)電廠那樣產(chǎn)生大量二氧化碳等溫室氣體。因此，其使用有助于減少碳排放，減輕對氣候變化的影響。
4. 分布式發(fā)電：屋頂光伏電站可以實現(xiàn)分布式發(fā)電，意味著發(fā)電源與用電端更加接近，減少輸電損耗。同時，分布式發(fā)電也提高了電力系統(tǒng)的穩(wěn)定性和抗災能力。
5. 可再生能源推動：屋頂光伏電站是可再生能源的一種形式，其推廣使用有助于減少對有限的化石燃料的依賴，促進可持續(xù)發(fā)展。

A rooftop photovoltaic power station is a facility that uses solar photovoltaic panels to convert sunlight into electricity and is installed on the roof.

Its function is as follows:

1. Power generation: Roof mounted photovoltaic power stations can convert sunlight into electricity for indoor use. Photovoltaic power generation is a clean and renewable form of energy that does not produce harmful gases such as carbon dioxide and is environmentally friendly.

2. Energy conservation: By generating electricity through rooftop photovoltaic power stations, reliance on traditional energy can be reduced and energy costs can be saved. Especially in areas with abundant sunlight, photovoltaic power stations can provide a considerable portion of indoor electricity demand.

3. Reduce carbon emissions: Roof mounted photovoltaic power plants do not generate large amounts of greenhouse gases such as carbon dioxide like traditional coal-fired or oil fired power plants. Therefore, its use helps to reduce carbon emissions and mitigate the impact on climate change.

4. Distributed power generation: rooftop photovoltaic power stations can achieve distributed power generation, which means that the power source is closer to the power consumption end, reducing transmission losses. At the same time, distributed generation also improves the stability and disaster resistance of the power system.

5. Renewable energy promotion: Roof mounted photovoltaic power stations are a form of renewable energy, and their promotion and use can help reduce dependence on limited fossil fuels and promote sustainable development.