Induction Heating System for Industrial Bearings or Common Appliances

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Multidimensional Sustainability: Transitions and Convergences (ISPGAYA 2022)

Abstract

This chapter presents a study on the implementation of a low power induction heating system for bearings used in medium/large size electric motors. Introduction: Induction heating is one of the key metal industry applications, grounded on the three basic effects: electromagnetic induction, skin effect and heat transfer. Goals; Methods: The thermal power generated from hysteresis losses and Eddy current induced in ferromagnetic materials, as in steel bearings, is maintained at the fixed value by controlling the current in the induction coil. For this purpose, an electronic power converter, an AVR microcontroller and a set of sensors to measure several necessary variables of the induction heating process in the device are used. Such system is easily transportable and can be used close to electrical machines, thus reducing the risk of adverse effects, as an improved energy efficiency compared to conventional heating systems. Results: When compared to other systems, such as resistive based heaters, open flame and oil bath, induction reduces the risks of structural damage to the bearing, eliminates oil contamination, prevents environmental damage and eliminates handling risks for users. With the proposed control method, energy consumption is optimized by proper control of the electrical power used.

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Correspondence to Alexandre Diogo Leites da Silva .

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da Silva, A.D.L., Neves, J.A.C., Neves, N. (2023). Induction Heating System for Industrial Bearings or Common Appliances. In: Almeida, F.L., Morais, J.C., Santos, J.D. (eds) Multidimensional Sustainability: Transitions and Convergences. ISPGAYA 2022. Springer Proceedings in Earth and Environmental Sciences. Springer, Cham. https://doi.org/10.1007/978-3-031-24892-4_3

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