Abstract
In this paper, to complement the capability of the existing heating system using an electric-heating wire for melting snow and ice in railway turnouts, 250kHz-200W-class Induction Heating (IH) system was designed. The IH system consists of the resonant inverter and the IH device. In order to perform the electric circuit, the electromagnetic field, and the thermal analysis, the Multi-Physics analysis for IH system was derived. In addition, IH system was compared with the existing heating system.
Highlights
This paper is a study on de-icing for railway turnouts using 250kHz-200W-class induction heating system
The Induction Heating (IH) system consists of the resonant inverter and the IH device
A Multi-Physics analysis that can be integrated with electric circuit analysis, electromagnetic field analysis, and thermal analysis of the IH system was derived
Summary
This paper is a study on de-icing for railway turnouts using 250kHz-200W-class induction heating system. The winter damage prevention application areas of railway transportation can be broadly categorized into railway vehicles, overhead lines, and railroad tracks. Since the railway switch of railway turnouts in winter may cause railway vehicle delays and accidents due to snow and ice, they are currently being melted with electric-heating wires.. The use of high-frequency alternating current reduces the depth of penetration due to the skin effect, allowing the heating element to be heated in a short time.. The use of high-frequency alternating current reduces the depth of penetration due to the skin effect, allowing the heating element to be heated in a short time.6 For this purpose, an additional resonant inverter was applied to enable high-efficiency operation of the heating system power unit.
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