Configuration for the compensation of external magnetic field in

Details Configuration for the compensation of external magnetic field in Configuration for the compensation of external magnetic field in

1992-01-17

1994-01-11

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, 1286535, G01V 300

Patent

active

052785033

ABSTRACT:
In order to compensate external interfering fields inside a superconducting magnet coil, these interfering fields are measured outside of the magnet coil by means of a small induction coil in order to obtain a regulation signal, and, by means of a regulation algorithm, the current through a compensation coil is controlled. The induction coils are effectively decoupled from fluctuations of the stray field of the magnet coil and from vibrations.

REFERENCES:
patent: 4788502 (1988-11-01), Keller et al.
patent: 5029287 (1991-07-01), Dessalles-Martin et al.
patent: 5132618 (1992-07-01), Sugimoto

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