光伏發(fā)電這么好，自家屋頂就能裝，但是在裝之前你需要了解這些知識(shí)才不會(huì)一臉懵逼，盲目跟風(fēng)。

1.逆變器:逆變器是把電池板產(chǎn)的直流電轉(zhuǎn)化為交流電的裝置，必不可少，所以選擇合適的逆變器也很重要，不同容量的電站要選擇不同規(guī)格的逆變器。逆變器都需要注意散熱。  

2. 安裝方式:針對(duì)不同的屋頂有不同的安裝方式，平房需要水泥柱與鋼架固定，而瓦房屋頂則可以固定在瓦梁上，具體的安裝方式需要專業(yè)人士制定，切不可為了節(jié)省成本而自行安裝，不合理的安裝方式會(huì)對(duì)光伏發(fā)電系統(tǒng)造成毀滅性傷害。

3.做好防水工作:在安裝光伏系統(tǒng)時(shí)，首先要保證在避免破壞屋頂?shù)那闆r下安裝。具有防水層的屋頂需要避免打孔，彩鋼屋頂進(jìn)行打孔的需要使用防水膠或膠墊。

安裝完成并網(wǎng)后，就可以躺在家里沐浴陽光，等著收錢了，至此，照進(jìn)你家的每一縷陽光都能幫你賺錢了，源源不斷25年…… 家庭光伏電站會(huì)走進(jìn)每家每戶，到時(shí)候我們就可以告別昂貴的電費(fèi)，放肆用電放肆嗨了，光伏發(fā)電還能有效的減少炭排放量，是綠色可再生能源之一，再也不會(huì)有人說你浪費(fèi)電。

Generally speaking, ordinary families can already meet their daily electricity demand by installing a 5KW PHOTOVOLTAIC power station, and some of the surplus electricity is sold to the country, so the high electricity bill they had to pay before is saved, which is not to earn it! Subsidies get hand soft, number of money hand cramps, national subsidies for photovoltaic power generation, 0.37 yuan per degree, whether for their own use or sold to the state grid; Some places more; There will also be a first-look allowance.Sell electricity to the state, the state to pay, surplus electricity in accordance with the price of 0.45 yuan per kilowatt electricity sold to the state, and all online, the price is in accordance with the benchmark electricity price standard.

Photovoltaics are so good that you can install them on your roof, but you need to know before installing them so you won't be blindsided and blindly follow them.

1. Inverter: The inverter is a device that converts the dc electricity produced by the panel into ac electricity, which is essential. Therefore, it is also very important to choose the right inverter. All inverters need to pay attention to heat dissipation.

2. The installation method: according to different roof installation, bungalows need concrete column and steel frame is fixed, while the tile roof can be fixed on the tile beam, formulate specific installation need professionals, must not in order to save cost and its installation, the unreasonable installation can cause devastating damage to pv power generation system.

3. Do a good job of waterproof work: when installing the photovoltaic system, the first thing to ensure that in order to avoid damaging the roof installation. The roof with waterproof layer needs to avoid drilling, color steel roof drilling needs to use waterproof glue or rubber pad.

4. National photovoltaic subsidy policy: Relevant requirements on the Summary of distributed photovoltaic Subsidy Policy (GuOFA [2013] No. 24) in the Document of The National Development and Reform Commission (FAGAI [2013] No. 1638); For distributed photovoltaic power generation, the subsidy standard is 0.37 yuan per KWH, and the subsidy period is 20 years.Plus subsidies from all regions! The above is basically related to the basic elements of photovoltaic power station installation, know that you are also getting started. Now that you know this, you need to start thinking about the costs and benefits of installation. Without further ado, read the following examples.

Take Huizhou as an example to estimate the investment income of the installation of 5 KW household PHOTOVOLTAIC power station: installed capacity: 5 KW (KW), floor area: about 30 square meters, investment amount: 40,000 to 50,000, grid connection mode: self-use, surplus electricity to the Internet, annual generating capacity of the system: 7200 to 7800 degrees, service life of the system: For 25 years (the total revenue of self-use by customers is more than 200,000 yuan), the annual revenue of all self-use by customers is 0.7 YUAN/KWH (the price of the second ladder) + 0.37 yuan/KWH =1.07 yuan/KWH *7200 KWH =7704 YUAN. The annual revenue of 50% self-use by customers with more than 50% electricity is:1.07 YUAN/KWH *3600 =3852 yuan +50% of net income (purchase price 0.45 yuan/KWH + subsidy 0.37 yuan/KWH) *3600 =2952 Yuan Total: 6,804 yuan. Cost recovery: it is expected to pay back in about 5 years.(Considering different lighting intensity and local subsidies) Annual yield: 15%-20%, free electricity and profit after capital return.

5. Grid-connected power generation: The electricity can be sold to the national power grid only after the photovoltaic power station is grid-connected. Not connected to the network belongs to the off-grid system, can only be spontaneous use oh!The following picture is the network connection process!

Once installed and connected to the Internet, you can lie in your home and soak up the sun, waiting to collect your money. Every ray of sunshine that comes into your home will make you money for 25 years... Family photovoltaic power station will walk into every household, when we can say goodbye to expensive electricity bills, unbriatedly use unbriatedly hi, photovoltaic power generation can also effectively reduce carbon emissions, is one of the green renewable energy, no one will say you waste electricity.