Tesi etd-11122021-114317
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Tipo di tesi
Corso Ordinario Secondo Livello
Autore
COMINO, CORRADO
URN
etd-11122021-114317
Titolo
Design and Simulation of the magnetic circuit employed in the stray field immunity characterization of Infineon magnetic core-less current sensors
Struttura
Cl. Sc. Sperimentali - Ingegneria
Corso di studi
INGEGNERIA - INGEGNERIA
Relatori
relatore Prof. CIPRIANI, CHRISTIAN
Parole chiave
- current
- FEM
- ferrite
- magnetic
- sensors
- simulation
Data inizio appello
16/12/2021;
Disponibilità
parziale
Riassunto analitico
This thesis presents the design and a simulation method for the magnetic circuit employed in the characterization of Infineon modern core-less current sensors. The latter have a magnetic-based sensing structure to measure the magnetic field induced by the current flowing on a specific current rail. Since the reliability of the sensing system strictly depends on the immunity to stray fields, a characterization of the sensors is pivotal. This thesis proposes a magnetic circuit design able to induce a high-frequency and high-intensity magnetic field into the air gap of a ferrite core, where the current sensor is deployed and its immunity characteristics verified. Furthermore, the Finite Element Method analysis of the circuit is presented and the results discussed.
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