Analysis and Design of Flexible-Surface Induction-Heating Cooktop With GaN-HEMT-Based Multiple Inverter System

The flexible induction cooktop, which can provide an unlimited cooking area, utilizes a cost-effective method in which one inverter shares multiple working coils. However, this method has resulted in consumer needs such as reducing both the initial pot detection time and the noise caused by the rela...

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Veröffentlicht in:IEEE transactions on power electronics 2022-10, Vol.37 (10), p.12865-12876
Hauptverfasser: Jang, Eunsu, Kwon, Man Jae, Park, Sang Min, Ahn, Hyo Min, Lee, Byoung Kuk
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container_end_page 12876
container_issue 10
container_start_page 12865
container_title IEEE transactions on power electronics
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creator Jang, Eunsu
Kwon, Man Jae
Park, Sang Min
Ahn, Hyo Min
Lee, Byoung Kuk
description The flexible induction cooktop, which can provide an unlimited cooking area, utilizes a cost-effective method in which one inverter shares multiple working coils. However, this method has resulted in consumer needs such as reducing both the initial pot detection time and the noise caused by the relay operation. This article presents a hardware implementation and control method for a flexible induction cooktop with multiple GaN-HEMT-based inverter systems. As one way to meet consumer needs, this implementation method does not require a relay and offers the advantage of real-time pot detection and noise minimization. However, the inverter design should include the magnetic coupling effect while maintaining high performance and high power density. This article proposes an inverter design method considering the limited space and an implementation method that minimizes the effect of magnetic coupling without an additional power stage. The feasibility of the proposed implementation method is evaluated based on the results of a heating test with a 3.3 kW prototype.
doi_str_mv 10.1109/TPEL.2022.3175979
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subjects Coils
Control methods
Cooking
Coupling
Flexible-surface induction cooktop
Heating
Heating systems
High electron mobility transistors
induction heating (IH)
Inverters
Layout
multiple inverters
Ovens & stoves
Power system measurements
Relay
Relays
series resonant converter
Shape
title Analysis and Design of Flexible-Surface Induction-Heating Cooktop With GaN-HEMT-Based Multiple Inverter System
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