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FAST Astronomical Radio Telescope Filter Project

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The National Astronomical Observatory of the Chinese Academy of Sciences was established in April 2001. It is mainly engaged in astronomical observations and theories, as well as high-tech research in astronomy. Coordinate and optimize the allocation of resources and talents; key research areas are: cosmic large-scale structure, galaxy formation and evolution, celestial high energy and excitation processes, star formation and evolution, solar magnetic activity and solar-terrestrial space environment, astronomical geodynamics, solar system celestial bodies And artificial celestial body dynamics, space astronomical observation methods and space exploration, new astronomical technologies and methods.

FAST astronomical radio telescope, also known as "Chinese Sky Eye", is the world's largest radio telescope established by the National Astronomical Observatory of the Chinese Academy of Sciences in Pingtang, Guizhou. In order to obtain the purest electromagnetic environment, the 8 power stations of the telescope need to be filtered. The first to enable the thin film capacitor filtering scheme. Due to the partial discharge of such film capacitors, the filtering effect is not good. What is more serious is that high-voltage film capacitors have service life and hidden safety hazards. So experts from the Chinese Academy of Sciences decided to find alternatives around the world to eliminate the old filters.

In 2017, we undertook the project construction of the National Astronomical Observatory of the Chinese Academy of Sciences, responsible for the research and development of EMI common mode filters, replacing high-voltage film capacitor filters with high-voltage ceramic capacitor filters, to achieve product replacement and elimination. After half a year of research and development, under the guidance of experts from the Chinese Academy of Sciences Observatory, our team finally broke through various technical difficulties, developed small size and higher performance filters, and completed the production and installation tasks in advance in the 2018 project contract. Won the title of excellent supplier.

£¨High voltage filter£©

Over the years, our technical team has cooperated with many units at home and abroad and achieved brilliant scientific and technological achievements. Shanghai Jiao Tong University, Xi'an Jiaotong University, National University of Defense Technology, Huazhong University of Science and Technology, Tsinghua University, Harbin Institute of Technology, Beijing Institute of Technology, and other institutions have cooperated with our unit in plasma discharge, pulsed high-frequency power, radar antenna, electrostatic dust removal, and other fields Made a breakthrough.

£¨Excellent supplier certificate awarded by the National Astronomical Observatory of the Chinese Academy of Sciences£©

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