Power Curve-Fitting Control Method with Temperature Compensation and Fast-Response for All-Metal Domestic Induction Heating Systems

Sang Min Park, Eunsu Jang, Dongmyoung Joo and Byoung Kuk Lee
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Sang Min Park: Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
Eunsu Jang: Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
Dongmyoung Joo: Intelligent Mechatronics Research Center, Korea Electronics Technology Institute (KETI), Bucheon 14502, Korea
Byoung Kuk Lee: Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea

Energies, 2019, vol. 12, issue 15, 1-16

Abstract: Typical domestic induction cooktops can only heat ferromagnetic pots/vessels. However, to increase the availability and marketability of induction heating (IH) cooktop products, heating techniques for all types of metallic pots (i.e., created from metals such as aluminum, copper, and stainless steel) are required. To satisfy the requirements of induction cooktops, this paper proposes the design of an all-metal domestic IH system that can heat any type of metallic pot while considering the temperature variation of the working-coil. A control algorithm using a power curve-fitting method (CFM) is presented to quickly respond to load parameter variations in the IH. In addition, the CFM control algorithm is established to compensate for the power reference value by reflecting the increase in the working-coil temperature during the heating of the non-ferromagnetic pot. To evaluate the performance of the proposed system, the control algorithm strategy and experimental results based on a 3.2 kW all-metal IH cooktop are presented.

Keywords: induction heating (IH); series resonant converter (SRC); all-metal induction cooktop; curve-fitting method (CFM); high-frequency; ferromagnetic pots; non-ferromagnetic pots (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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