Do you know the origin of the solar photovoltaic power generation systems?

Photovoltaic power generation system ( 光伏系统) Is converting solar energy into electrical energy power generation system, using the light born v effect. Photovoltaic power generation system is divided into independent solar photovoltaic power generation system, grid solar photovoltaic power generation systems and distributed solar photovoltaic hair

photovoltaic power generation system is the use of photovoltaic effect converts solar energy into electrical energy power generation system. Photovoltaic power generation system is divided into independent solar photovoltaic power generation system, grid solar photovoltaic power generation systems and distributed solar photovoltaic power generation systems. It is the main components of solar battery, storage battery, controller and inverter. It has high reliability and long service life, no pollution, independent power generation and the characteristics of the parallel operation. Get the favour of national enterprises and organizations, the development prospect. According to photovoltaic manufacturers, 2012 global photovoltaic accumulative total installed capacity of 97 gigawatts (GW), global new power capacity in 2012 to 30 GW. China's new power capacity accounts for over 16% of the global total. The clean energy industry in the country to vigorously support, China's photovoltaic power generation systems industry will usher in the peak period of development. The use of the photovoltaic effect of photovoltaic cells convert solar radiation directly into electricity generating system, photovoltaic components and supporting components (including BOS) 。 Photovoltaic power generation, relying on the solar cell module, using the electronic properties of semiconductor materials. When the sun semiconductor PN junction, because in the P - N junction barrier area of strong built-in electrostatic field, the barrier area in the imbalance of the electrons and empty hole or barrier zone but spread to the barrier area in the imbalance of electrons and holes in the built-in under the action of electrostatic field respectively to move in the opposite direction and leave the barrier zone. As a result, the potential increase of the area of the p, n area of potential is reduced, thus in an external circuit, voltage and current and convert light energy into electrical energy. Solar photovoltaic power generation system is usually divided into two types. A system is connected to the grid, it through a standard interface to connect to the public grid, like a small power plant. Another kind is independent power generation system, the circuit is in its forming in a closed circuit system. Grid-connected power generation system will receive after high frequency dc conversion of solar radiation energy by photovoltaic array into high voltage direct current (dc), inverter output after the inverter to the grid and the grid voltage frequency and phase of the same sinusoidal alternating current. Independent power generation system of photovoltaic array will first receive the solar radiation energy directly into electricity supply load, and after the charge controller will excess energy in the form of chemical energy stored in the battery.