Article
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A Simplified Design Method for Quasi Resonant Inverter Used in Induction Hob
Version 1
: Received: 28 August 2023 / Approved: 28 August 2023 / Online: 29 August 2023 (08:47:59 CEST)
A peer-reviewed article of this Preprint also exists.
Ozturk, M. A Simplified Design Method for Quasi-Resonant Inverter Used in Induction Hob. Electronics 2023, 12, 4145. Ozturk, M. A Simplified Design Method for Quasi-Resonant Inverter Used in Induction Hob. Electronics 2023, 12, 4145.
Abstract
Induction heating (IH) technology is widely recognized and utilized in residential applications due to its high efficiency and safe operating characteristics. Resonant inverter circuits are widely used in IH systems because of their high efficiency and ability to perform soft-switching. Among the various resonant inverters used in IH systems, the single-switch quasi-resonant (SSQR) inverter topology is typically preferred for low-cost and low-output-power applications. Despite its cost advantage, the SSQR topology has a relatively narrow soft-switching range, which can be unstable depending on the electrical parameters of the load and the resonant converter circuit. Accurately determining the capacitance value of the resonant capacitor and the inductance value of the induction coil, which are the key circuit elements of the SSQR induction cooker, is crucial for designing a reliable, efficient, and durable cooking system. In other words, there exists a critical relationship between the resonant converter circuit parameters, load characteristics, and safe operating conditions. Additionally, when considering closed-loop control methods used for power control and safety, selecting appropriate resonant circuit elements becomes vital in ensuring both reliable and efficient operation. This paper focuses on a novel and simplified design method for the SSQR inverter utilized in household appliances. The proposed method and its advantages in terms of the safe operating area of the switch are theoretically investigated and verified through simulations and prototype circuits.
Keywords
Home appliances; induction cooking systems; induction cooker design; resonant converter circuit parameters; single switch quasi resonant inverter
Subject
Engineering, Electrical and Electronic Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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