1. How to judge the future competitiveness of the three major battery new technologies - the balance between efficiency and cost Technical principle: The core structure of photovoltaic cells is PN junction and electrodes. The efficiency loss is mainly divided into optical and electrical losses. HJT&TOPCon reduces electrical losses, and IBC reduces optical losses. Efficiency: IBC (overlay)>T...

The solar inverter is a power electronic device that connects the solar panels and the grid, and is one of the key devices in the entire solar power generation system; it mainly converts the direct current generated by the solar panels into the alternating current that can be connected to the grid through the power module. It is the "heart" of the solar power generation system; the inverter also u...

The ongoing energy crisis has not only caused the cost of electricity to soar in Europe, but also the price of solar energy, which is used to ease electricity costs, has also risen rapidly. When European countries face the energy crisis, they still take the development of new solar energy industry as the mainstream solution. Spain's Ministry of Ecological Transformation (Miteco) plans to launch it...

Distributed photovoltaic power generation refers to the configuration of a smaller photovoltaic power supply system at the user site or near the power site to meet the needs of specific users, support the economic operation of the existing distribution network, or meet the requirements of both aspects. Distributed photovoltaics are often built in places like building roofs, factory roofs, and vege...

Photovoltaic inverters can convert the variable DC voltage generated by photovoltaic solar panels into mains frequency AC inverters, which can be fed back to the commercial transmission system or used for off-grid grids. Photovoltaic inverter is one of the important balance of system (BOS) in photovoltaic array system, which can be used with general AC power supply equipment. Solar inverters have ...

Solar photovoltaic power generation is the process of directly converting light energy into electrical energy by using the photovoltaic effect generated by the semiconductor interface. The DC power generated by the generator is converted into AC power through the inverter, boosted by the step-up transformer station and then sent to the power grid, and the power is transmitted to the power consumer...

HJT heterojunction cells subvert the traditional cell structure, and have the advantages of high conversion efficiency, simple manufacturing process, thin silicon wafer application, low temperature coefficient, no light-induced attenuation and potential attenuation, and double-sided power generation. There is an advantage in conversion efficiency that significantly exceeds PERC. The output efficie...

The grid-connected photovoltaic power system can convert the direct current output by the solar cell array into alternating current with the same amplitude, frequency and phase as the grid voltage, and realize the connection with the grid and transmit electric energy to the grid. The flexibility of this power generation system lies in that when the sunshine is strong, the photovoltaic power genera...