Recently, the National Development and Reform Commission announced the "Opinions on the Development of Semiconductor Lighting Energy-Saving Industry" (hereinafter referred to as "Opinions"), which will encourage domestic equipment, establish a risk compensation mechanism for domestic equipment, support the localization of key equipment, and clarify the development of semiconductor lighting energy-saving industry. "Six-year plan."
The "Opinions" put forward the development goal of China's semiconductor lighting energy-saving industry. By 2015, its annual output growth rate will be about 30%; the market share of products will increase year by year, the functional lighting will reach 20%, and the LCD backlight will reach 50%. Above, the market share of products such as landscape decoration has reached more than 70%. The independent innovation capability of enterprises has been significantly enhanced. Large-scale MOCVD equipment, key raw materials and more than 70% of the chips have been localized, and 3 to 5 upstream chip-scale production enterprises have been established; industrial concentration has been significantly improved, with independent brands and greater market influence. There are about 10 leading enterprises in the backbone; the semiconductor lighting standard system is initially established to realize annual energy saving of 40 billion kWh.
The "Opinions" also clarified the seven major policy measures for the development of semiconductor lighting energy-saving industry, including overall planning, promoting the healthy and orderly development of the industry, continuing to increase the support for semiconductor lighting technology innovation, and actively implementing incentive policies to promote the development of semiconductor lighting energy-saving industries. .
The "Opinions" also require that all levels of finance, taxation, science and technology and other departments should promote the implementation of state-owned enterprises that produce new types of energy-saving lighting products, engage in the import of self-use equipment for projects encouraged by the state, and the technology and accessories and spare parts that are imported with equipment according to the contract. Preferential policies for exemption of import tariffs within the prescribed scope. Encourage the procurement of domestic MOCVD equipment, establish a risk compensation mechanism using domestic equipment, and support the localization of key equipment. Promote the inclusion of semiconductor lighting products and key equipment in the list of energy-saving and environmentally friendly products, and enjoy corresponding incentive policies to promote the inclusion of semiconductor lighting products in the government procurement list of energy-saving products.
A hybrid inverter is an inverter that combines the functions of an inverter and a charge controller. Its main function is to simultaneously process the direct current generated by solar panels and the electric energy of the battery energy storage system in a photovoltaic power generation system. It converts the direct current generated by the solar panels into alternating current for power and stores the excess power in the battery so that it can continue to supply power when needed.
Main effect:
Solar power generation: Hybrid inverters convert the direct current generated by solar panels into alternating current for home, commercial, or industrial electricity needs.
Battery energy storage: The hybrid inverter is equipped with a battery energy storage system that can store excess solar power. When the Solar Panel cannot generate enough electricity, the electricity stored in the battery can continue to supply electricity to achieve a continuous power supply.
Grid-connected function: Some hybrid inverters also have grid-connected functions, that is, the excess electric energy is integrated into the grid for use by other users. This allows them to interact with the grid, be self-sufficient, and export electricity to the grid.
Differences from other inverters:
Charging control function: The hybrid inverter combines the functions of an inverter and a charge controller, and can simultaneously process the DC power of the solar panel and the DC power of the battery energy storage system, realizing the hybrid application of solar power generation and battery energy storage.
Standalone operation: Unlike microinverters, hybrid inverters can operate independently and do not require an inverter for each solar panel, so it may be more economical and convenient when the system is larger.
Applicable scenarios: Hybrid inverters are widely used in home, commercial, and industrial photovoltaic power generation systems, especially in hybrid application scenarios that require photovoltaic power generation and battery energy storage.
In general, the main function of the hybrid inverter is to convert the direct current of the solar panel and the battery energy storage system into alternating current, so as to realize the hybrid application of photovoltaic power generation and battery energy storage. Compared with other inverters, it has higher flexibility and reliability in energy management and power supply stability.
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