Patent ID: 8204563
Filing Date: 2012-06-19
Classification: G01R,H01F

Abstract:
1. A superconducting magnet system for generating high homogeneity and high magnetic field, the superconducting magnet system comprising a main coil, a peripheral coil, a quench protection circuit, a quench heater and a power supply, wherein the main coil is formed by assembling sequentially a plurality of concentric solenoid coils from inner layer to outside layer in the radial direction in the order of an inner main coil, a stabilization coil, a first compensation coil of the stabilization coil, a second compensation coil of the stabilization coil, a first classification coil, a second classification coil, a third classification coil, a fourth classification coil, a first outer reinforcement magnetic field coil, a second outer reinforcement magnetic field coil, a first end outer compensation coil, and a second end outer compensation coil; wherein the peripheral coil is located outside the main coil and sequentially comprises, from inner layer to outer layer in the radial direction, a first back roll coil, a second back roll coil, a first superconducting coil for compensating for the sixth harmonic component, a second superconducting coil for compensating for the sixth harmonic component, a shielding ring, and a shielding coil; wherein the quench protection circuit comprises a plurality of loop circuits, each of which is formed by a corresponding protection resistor, a diode and each coil connected in series, and wherein one quench heater is correspondingly assembled for each coil.