This paper proposes a simple innovative formula for the calculation of the magnetic field generated by a single and a double circuit twisted three-phase power cable line. The formula results a good approximation of the rigorous analytical one and at the same time is much more accurate than the approximated formula found in literature, as demonstrated by some cases of a twisted three-phase power cable used for power distribution at the medium voltage level. The effectiveness of this simple innovative formula is also examined in the case of a double-circuit twisted three-phase power cable line following the ‘worst case’ approach and concluding at proposing an approximate expression for the total magnetic field generated by both twisted three-phase power cables.

Mazzanti G., Landini M., Kandia E., Biserni C., Marzinotto M. (2012). Innovative calculation methods of the magnetic field from single and double-circuit twisted three-phase cables widely used in MV and LV installations. CENTRAL EUROPEAN JOURNAL OF ENGINEERING, 2, 212-223 [10.2478/s13531-011-0058-x].

Innovative calculation methods of the magnetic field from single and double-circuit twisted three-phase cables widely used in MV and LV installations

MAZZANTI, GIOVANNI;LANDINI, MARCO;KANDIA, EFFROSYNI;BISERNI, CESARE;
2012

Abstract

This paper proposes a simple innovative formula for the calculation of the magnetic field generated by a single and a double circuit twisted three-phase power cable line. The formula results a good approximation of the rigorous analytical one and at the same time is much more accurate than the approximated formula found in literature, as demonstrated by some cases of a twisted three-phase power cable used for power distribution at the medium voltage level. The effectiveness of this simple innovative formula is also examined in the case of a double-circuit twisted three-phase power cable line following the ‘worst case’ approach and concluding at proposing an approximate expression for the total magnetic field generated by both twisted three-phase power cables.
2012
Mazzanti G., Landini M., Kandia E., Biserni C., Marzinotto M. (2012). Innovative calculation methods of the magnetic field from single and double-circuit twisted three-phase cables widely used in MV and LV installations. CENTRAL EUROPEAN JOURNAL OF ENGINEERING, 2, 212-223 [10.2478/s13531-011-0058-x].
Mazzanti G.; Landini M.; Kandia E.; Biserni C.; Marzinotto M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/119492
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