CN CN108869543B
A hybrid superconducting magnetic bearing for flywheel energy storage, comprising a stainless steel main shaft (1), a radial electromagnetic bearing stator (2), a low temperature Dewar (3), a superconducting bearing permanent magnet rotor (4), and a superconducting bearing block Body stator (5), superconducting bearing coil stator (6), superconducting bearing ferromagnetic suction disk rotor (7), flywheel (8), radial electromagnetic bearing ferromagnetic ring rotor (9) and superconducting bearing iron core yoke (10) Composition. The superconducting bearing block stator (5) and the superconducting bearing coil stator (6) are placed in a low-temperature Dewar (3), fitted on a stainless steel main shaft (1), and cooled by liquid nitrogen or a refrigerator. The superconducting bearing coil stator (6) is placed under or surrounded by the superconducting bearing block stator (5). The radial electromagnetic bearing stator (2) is installed on the upper part of the stainless steel main shaft (1), and is set on the stainless steel main shaft (1); the superconducting bearing ferromagnetic suction disc rotor (7) is installed outside the low temperature Dewar (3), and is set on the stainless steel main shaft (1). on the spindle (1).
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