G - Physics – 01 – L
Patent
G - Physics
01
L
73/69
G01L 1/12 (2006.01) G01L 3/00 (2006.01) G01L 3/10 (2006.01)
Patent
CA 2032584
If the B-field of a body with a sinusoidal symmetrical magnetization exhibits even harmonics, this means that the body also has a superimposed static and/or quasi-static magnetization. The invention comprises a method and a device for determining and measuring, respectively, the content of even harmonics (8). The content corresponds to the degree of static and/or quasi-static magnetization and is used as input signal to a regulator (11) which, with the aid of a direct current in, for example, a separate winding (14), reduces the static and/or quasi-static magnetization to zero.
Un corps à magnétisation symétrique sinusoïdale dont le champ d'induction magnétique affiche des harmoniques pairs présente également une magnétisation statique et/ou quasi statique superposée. La présente invention concerne une méthode et un dispositif de détermination et de mesure de la composition des harmoniques pairs (8). Cette composition indique le degré de magnétisation statique et/ou quasi statique et sert de signal d'entrée d'un régulateur (11) qui, au moyen d'un courant continu circulant, par exemple, dans un enroulement distinct (14), ramène cette magnétisation statique et/ou quasi statique à zéro.
Hoffman Bertil
Nidmark Sverker
Palmquist Jan
Sobel Jarl
Asea Brown Boveri Ab
Robic
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