Source: International New Energy Network
At present, China photovoltaic power generation system is mainly DC system will soon be issued by the solar power to recharge the battery while the battery power directly to the load, such as the northwest region of China use more solar household lighting systems, as well as away from the grid for the microwave station power system are DC system.
Such a system is simple, low cost, but because of the different load DC voltage (eg 12V, 24V, 48V, etc.), it is difficult to achieve the system standardization and interoperability, in particular electricity for civilian use, as most of the exchange of the load, to DC power photovoltaic power supply is difficult to enter the market as a commodity.
In addition, the photovoltaic power generation will eventually be achieved and network operation, which must be a mature market model, the exchange of photovoltaic power generation system in the future will become the mainstream of photovoltaic power generation.
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