KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Control Strategies of Both the Heater Temperature and the Inverter Output Voltage of a Single-Phase PWM Inverter Systems for Heat Treatment
Authors	양시경(Si-Gyeong Yang) ; 전태원(Tae-Won Chun)
DOI	http://doi.org/10.5370/KIEE.2018.67.8.1047
Page	pp.1047-1054
ISSN	1975-8359
Keywords	Heater temperature ; Heat treatment ; LC filter ; PWM inverter ; Voltage control
Abstract	This paper proposed the strategies for controlling both the heater temperature and the output voltage of a single-phase inverter for the heat treatment. The single-phase inverter system for the heat treatment controls the heater temperature to its reference one, and also it limits the inverter output voltage to 60 V for safety. The stability may be deteriorated due to the large time constant difference between the heater temperature and inverter output voltage. In order to ensure the stability, a hysteresis on/off control approach for the heater temperature control is adapted, and both the open-loop and the closed-loop control strategies of the output voltage are suggested. The performances for the proposed strategies are demonstrated with the experiments.

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