Single-Phase Current Source Induction Heater with Improved Efficiency and Package Size


Vol. 13, No. 2, pp. 322-328, Mar. 2013
10.6113/JPE.2013.13.2.322


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 Abstract

This paper presents a modified Current Source Parallel Resonant Push-pull Inverter (CSPRPI) for single phase induction heating applications. One of the most important problems associated with current source parallel resonant inverters is achieving ZVS in transient intervals. This paper shows that a CSPRPI with the integral cycle control method has dynamic ZVS. According to this method, it is the Phase Locked Loop (PLL) circuit that tracks the switching frequency. The advantages of this technique are a higher efficiency, a smaller package size and a low EMI in comparison with similar topologies. Additionally, the proposed modification results in a low THD of the ac-line current. It has been measured as less than %2. To show the validity of the proposed method, a laboratory prototype is implemented with an operating frequency of 80 kHz and an output power of 400 W. The experimental results confirm the validity of the proposed single phase induction heating system.


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Cite this article

[IEEE Style]

A. Namadmalan and J. S. Moghani, "Single-Phase Current Source Induction Heater with Improved Efficiency and Package Size," Journal of Power Electronics, vol. 13, no. 2, pp. 322-328, 2013. DOI: 10.6113/JPE.2013.13.2.322.

[ACM Style]

Alireza Namadmalan and Javad Shokrollahi Moghani. 2013. Single-Phase Current Source Induction Heater with Improved Efficiency and Package Size. Journal of Power Electronics, 13, 2, (2013), 322-328. DOI: 10.6113/JPE.2013.13.2.322.