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太阳能发电装置的工作原理和分析
来源:http://www.sdlntyn.com 发布时间:2017-4-20 11:56:26 浏览次数:550
太阳能的电池是利用半导体材料的光电合成效应,将热能转换成电能的发生装置.
The solar cell is a device that converts thermal energy into electrical energy by the photoelectric effect of semiconductor materials济南太阳能售后服务中心
电子向带正电的N区和空穴向带负电的P区运动。经由界面层的电荷分别,将在P区和N区之间发作一个向外的可测试的电压。
Electron to positively charged N and hole to negatively charged P region. An external voltage can be detected between the P region and the N region by the charge of the interface layer, respectively.
此时可在硅片的两边加上电极并接入电压表。对晶体硅太阳能电池来说,开路电压的典型数值为0.5~0.6V。
At the same time, the two sides of the silicon chip can be connected with an electrode and a voltmeter. For crystalline silicon solar cells, the typical value of open circuit voltage is 0.5 ~ 0.6V.济南力诺瑞特太阳能
经由光照在界面层发作的电子-空穴对越多,电流越大。界面层接纳的光能越多,界面层即电池面积越大,在太阳能电池中组成的电流也越大。济南阳台壁挂太阳能
The more electron hole pairs are attacked by the light at the interface layer, the larger the current. The more light energy is absorbed by the interface layer, the greater the area of the interface layer is, the larger the current is formed in the solar cell.
光生伏特效应:假设光线照射在太阳能电池上并且光在界面层被接纳,具有足够能量的光子可以在P型硅和N型硅中将电子从共价键中激起,致使发作电子-空穴对。
Photovoltaiceffect: if light is shining on the solar cell and light at the interface layer is accepted, the photon with sufficient energy can be aroused from a covalent bond in the electronic P type and N type silicon silicon will cause seizures, electron hole pair.
界面层临近的电子和空穴在复合之前,将经由空间电荷的电场结果被相互分别。
The electrons and holes near the interface layer will be separated from each other by the electric field of the space charge before the recombination.