[China Instrument Network Instrument R&D] Under the support of the "Twelfth Five-Year Plan" 863 Program, "Four hundred megabytes under the major project of large-scale photovoltaic (grid, microgrid) system design and integration technology research demonstration and equipment development" in advanced energy technology The research on the design and integration technology of the wafer-level photovoltaic system and the development of key equipment, and the on-the-spot testing and demonstration demonstration of photovoltaic systems and balancing components have made significant progress, and recently passed the technical acceptance. The main objectives of the project are to develop photovoltaic system integration and engineering technologies, complete sets of key equipment, build demonstration projects of 100 megawatt-class power stations, and establish an empirical demonstration base for photovoltaic systems and balance components at an international level. Large-scale utilization and become a strong country in the photovoltaic industry to provide technical support.
“The Research and Design of Key Equipment for the Design and Integration of 100 MW Photovoltaic System†successfully developed two megawatt-level photovoltaic grid-connected inverters based on parallel technology of IGBT devices and parallel connection of internal modules; 2MW/1MW/0.5 was developed. The MW-level photovoltaic system module unit has developed large-scale photovoltaic grid-connected power station engineering design software; the 110-megawatt grid-connected photovoltaic power station built in Gonghe County, Hainan, Qinghai Province has been successfully connected to the grid for power generation.
“In-situ test and demonstration demonstration of photovoltaic system and balancing components†achieved technical integration of the demonstration platform for demonstration research of photovoltaic systems and balancing components. In China, Qinghai Gonghe built 11 photovoltaic modules, 9 system operating modes, and total installed capacity of 5.16. MW China's first cold temperature (plateau) climate national photovoltaic system and empirical research base for balancing components; built China's first public field test platform for MW photovoltaic systems and balance components, with a maximum test capacity of 1MW; Modular mobile photovoltaic system test platform, and field tests have been conducted on several photovoltaic power plants in China; the research and test platform for photovoltaic grid-connected inverters of 100kW-1.5MW class has been awarded the China National Accreditation Service for Conformity Assessment (CNAS). Accredited.
The research results obtained by the project can provide technical support for the development of large-scale photovoltaic power stations for the development of megawatts and gigawatts in the country. Established an empirical research demonstration base for advanced photovoltaic systems and balancing components in Qinghai, which can conduct long-term empirical research and testing on various types of photovoltaic modules, systems, and balancing components, and provide third-party impartial field environments for the industry. The public test can provide research and empirical test verification for the large-scale utilization of grid-connected photovoltaic technology in western China, provide field and real technical test support for the research and development of new photovoltaic technologies and new products, and will provide different climate regions for China. Establish empirical research and demonstration tests for different types of applications to provide technical support and accumulate valuable experience.
(Original title: "Significant progress has been made in research and demonstration of large-scale photovoltaic (grid-connected and microgrid) system design integration technology and equipment development."
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