Recently, the State Intellectual Property Office announced the patent “Magnetic Breaking Device for Permanent Magnet Driven High Temperature Superconducting Flywheel Energy Storage Systemâ€. The applicant is the Institute of Electrical Engineering of the Chinese Academy of Sciences.
A magnetic breaking device for a permanent magnet driven high-temperature superconducting flywheel energy storage system, wherein the thin-walled Dewar (12) is located directly above the driven coupler (3) of the magnetic coupler, and the top wall and the driven chamber of the vacuum chamber (5) Between the discs (3).
The thin-walled Dewar (12) is parallel to the active disk (2) and the driven disk (3) of the magnetic coupler, and is coaxial with the center of the circle. A gap is reserved between the thin-walled Dewar (12) and the inner wall of the vacuum chamber (5) and the driven disc (3) of the magnetic coupler. The high temperature superconducting film (13) is located in the thin-walled Dewar (12) and abuts the inner bottom surface of the thin-walled Dewar (12).
The thin-walled Dewar (12) has a low-temperature inlet port (10) and a low-temperature outlet port (11) at both ends, respectively communicating with the low-temperature inlet pipe (8) and the low-temperature outlet pipe (9), and the low-temperature inlet pipe (8) The other end of the low temperature outlet pipe (9) extends outside the vacuum chamber and is connected to the inlet control valve (6) and the outlet control valve (7).
The fixing bracket (14) is located in the vacuum chamber and supports the magnetic breaking device.Power 90W ,output voltage 15-24V, output current Max 6A, 10 dc tips.
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