This paper proposes a very simple analytical formula for the magnetic field arising from single-circuit twisted three-phase cables as a tool to diagnose faults. Indeed, in the presence of cable faults the magnetic field around these cables increases dramatically. Then, by calculating the field with the formula using the current measured on one phase and by comparing the calculated and the measured field, one gets a direct indication of failure if the latter field is much greater than the former
Fault detection of electrical equipment by rapid calculation of the magnetic field from single and double-circuit twisted three-phase cables / Mazzanti, G.; Sandrolini, L.; Landini, M.; Kandia, E.; Tacchini, A.; Corradini, F.. - ELETTRONICO. - (2017), pp. 1-2. (Intervento presentato al convegno IEEE Radio and Antenna Days of the Indian Ocean tenutosi a Cape Town, Sud Africa nel 10–13 Ottobre 2017).
Fault detection of electrical equipment by rapid calculation of the magnetic field from single and double-circuit twisted three-phase cables
Mazzanti, G.;Sandrolini, L.;Landini, M.;Kandia, E.;
2017
Abstract
This paper proposes a very simple analytical formula for the magnetic field arising from single-circuit twisted three-phase cables as a tool to diagnose faults. Indeed, in the presence of cable faults the magnetic field around these cables increases dramatically. Then, by calculating the field with the formula using the current measured on one phase and by comparing the calculated and the measured field, one gets a direct indication of failure if the latter field is much greater than the formerI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
