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Design and Simulation of Energy Efficient Fixed Frequency Pulse Controlled Power Converter for Induction Melting Application

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Abstract:

This paper discusses the design and simulation of pulse width modulated based circuit for induction melting application. This high frequency inverter topology have the practical advantages of energy saving, clean environment, high output power due to low switching losses, less electromagnetic noise and low total harmonic distortion. This two stage power converter has single phase full bridge rectifier, DC filter, zero voltage switching pulse width modulation controlled high frequency inverter. In this work, the steady state operation and control strategy of pulse width modulated high frequency inverter is analyzed. In order to achieve energy efficiency switching losses are reduced by operating the inverter above resonance frequency. Input side supply harmonics is also reduced using EMI filter. The simulation of the designed high frequency power supply is carried out at a frequency of 20 kHz using MATLAB simulink tool. Simulation results proof the energy saving due to reduction in switching losses of the presented control strategy and reduction in harmonic distortion of the presented power supply for induction heating load.

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Periodical:

Advanced Materials Research (Volume 768)

Pages:

404-410

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.768.404

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Online since:

September 2013

Authors:

Nagarajan Booma, S. Rama Reddy, M. Beryl

Keywords:

Induction Heating (IH), Pulse Width Modulation (PWM), Total Harmonic Distortion (THD), Zero Voltage Switching (ZVS), Zero-Current-Switching (ZCS)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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