近年来，我国太阳能光伏发展迅速，不少人都在自家屋顶上安装了光伏发电设备，或者想安装设备，但仍有一些疑虑。我们就来看看在屋顶安装光伏发电设备的好处与坏处，帮助大家加强了解！

　　In recent years, the development of solar photovoltaics in China has been rapid, and many people have installed photovoltaic power generation equipment on their roofs or want to install equipment, but there are still some doubts. Let's take a look at the benefits and drawbacks of installing photovoltaic power generation equipment on rooftops, to help everyone strengthen their understanding!

　　先说好处：

　　First, let's talk about the benefits:

　　对于大部分人来说，屋顶都是闲置的，安装光伏发电设备后，电量可以拿来自己用，多余的电上网，即能省电费，也可以为家庭带来收益。同时屋顶安装光伏设备，还能起到遮阳的作用，降低室内温度。

　　For most people, the roof is idle. After installing photovoltaic power generation equipment, the electricity can be used for personal use. The excess electricity can be connected to the grid, which can save electricity costs and bring income to the family. At the same time, installing photovoltaic equipment on the roof can also provide shade and reduce indoor temperature.

　　然后说不足：安装屋顶光伏发电站需要一定的成本，虽然说成本不断下降，但家用光伏电站依旧需要上万元，要等3-5年才能回本。

　　Then let's talk about the shortcomings: Installing rooftop photovoltaic power stations requires a certain cost, although the cost continues to decrease, household photovoltaic power stations still require tens of thousands of yuan, and it will take 3-5 years to recoup the cost.

　　屋顶光伏发电不稳定，受地域光照的影响较大，另外冬天比夏天的发电效率低，雨季长短决定了发电的效率高低。

　　Rooftop photovoltaic power generation is unstable and greatly affected by regional lighting. In addition, the power generation efficiency is lower in winter than in summer, and the length of the rainy season determines the efficiency of power generation.

　　虽然光伏板的寿命长达20多年，但是在使用的过程中，我们需要对它进行定期的维护，不然容易出现发电量降低，光伏板损坏等情况。

　　Although photovoltaic panels have a lifespan of over 20 years, regular maintenance is necessary during use to prevent potential issues such as reduced power generation and damage to the panels.

　　然后很多人担心光伏发电有辐射，对身体有影响，其实完全不用担心，光伏发电是首先将光能通过半导体的特性直接转化为直流电能，然后再通过逆变器将直流电转换成交流电以备直接使用，不会产生辐射。

　　Many people are concerned that photovoltaic power generation may emit radiation and have an impact on their health. However, there is no need to worry at all. Photovoltaic power generation first converts light energy directly into direct current through the characteristics of semiconductors, and then converts direct current into alternating current through inverters for direct use, without generating radiation.

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