高频感应加热应用中使用的功率控制技术

2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015] Pub Date : 2015-03-19 DOI:10.1109/ICCPCT.2015.7159378

Nibedita Parida, V. Kumari, D. Bhaskar, T. Maity

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引用次数: 13

摘要

谐振式逆变器广泛应用于感应加热领域。采用电压源供电的串联谐振逆变器(SRI)是一种可靠、经济的逆变器，可提供多种功率控制技术。不同的功率控制方案，如相移控制(PSC)，不对称占空比(ADC)控制，不对称电压抵消(AVC)控制，脉冲密度调制(PDM)控制，通常用于SRI高频感应加热。本文分析了一种将PSC和PDM相结合的新型混合控制技术。新的控制技术克服了单个方案的缺点，提供了大范围的功率控制。通过MATLAB仿真结果验证了各种控制技术的分析结果。

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Power control techniques used in high frequency induction heating applications

Resonant inverters are widely used in induction heating applications. Series Resonant Inverter (SRI) fed with voltage source is very much reliable, cost-effective and provides various power control techniques. Different power control schemes like phase shift control (PSC), asymmetrical duty cycle (ADC) control, asymmetrical voltage cancellation (AVC) control, pulse density modulation (PDM) control are normally used at SRI for high frequency induction heating. In this paper a new hybrid control technique by combining PSC and PDM is analyzed. The new control technique overcomes the drawback of individual scheme and provides a wide range of power control. The analyses of all the control techniques are verified through MATLAB simulation results.

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2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015]

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