Experimental study of power losses due to inrush currents of the electrical drives

Makedonski, Nikola

doi:10.1109/bulef48056.2019.9030728

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2024

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Measurement of the magnetic field of an induction heater for locomotive wheelsets

Dimitrov,

Tarpov

2024

E3S Web Conf.

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In this paper, the electrical heating of bandage bracelets on locomotive wheelsets by eddy currents (Foucault currents) is examined. This process is applied when replacing the bandage bracelets due to deformation. The induction of the magnetic field in the vicinity of the induction heater is tested by measurements in order to determine the safe zone for service personnel. The tests were carried out in real conditions in the Plovdiv locomotive depot using contemporary measuring devices. The characteristics are plotted showing the dependences of the magnetic induction on the distance to the induction heater, expressions are also obtained. It can be concluded that an exponential dependence can be used to estimate the induction of the magnetic field around the heater. Measures to limit the harmful influence of magnetic field on the service personnel are suggested.

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