Simulation of IGBT based Tiwari et al. ABHIYANTRIKI: An International Journal of Engineering & Technology 10 Volume 4, Number 5, May, 2017 (10-14) Simulation of IGBT based Power Supply for Induction Melting Furnace Shubham Tiwari* B. E. Deptt. of Electrical Engineering, Shroff S R Rotary Institute of Chemical Technology, Annkleshwar, India Bhargavi Rana B. E. Deptt. of Electrical Engineering, Shroff S R Rotary Institute of Chemical Technology, Annkleshwar, India Aakash Santoki B. E. Deptt. of Electrical Engineering, Shroff S R Rotary Institute of Chemical Technology, Annkleshwar, India Harsh Limbachiya B. E. Deptt. of Electrical Engineering, Shroff S R Rotary Institute of Chemical Technology, Annkleshwar, India Sourav Choubey Assistant Professor Deptt. of Electrical Engineering, Shroff S R Rotary Institute of Chemical Technology, Annkleshwar, India Abstract MATLAB simulation of induction melting furnace model is designed for a practical induction furnace with IGBT based parallel inverter. Then voltage, current and power factor is measured. This value is compared with actual data of furnace working in industry. Keywords: Rectifier, Inverter, Induction Melting Furnace, Simulation. *Author for correspondence shubhamtiwari267@gmail.com 1. Introduction An induction furnace is an electrical furnace in which the heat is applied by induction heating principle to the metal. Induction furnace capacities range from less than one kilogram to one hundred tonnes capacity and are used to melt iron and steel, copper, aluminium and precious metals. Induction melting furnace is widely used in metal industry for melting or heating slab or rod in continuous casting plant because of good heating efficiency, high production rate and clean working environments. Induction furnaces have very high power consumption and non- linear characteristics. A typical parallel resonant inverter circuits for induction melting furnace which we are going to discuss about, have a phase controlled rectifier that provides a constant DC current source. The H-bridge inverter consists of four Thyristor and a parallel resonant circuit comprises capacitor bank and heating coil. Thyristors are naturally commutated by AC current flowing through the resonant circuit. Therefore, this type of inverter is usually called a load commutated inverter. The rated output power and frequency of mentioned induction furnace are 150 KW and 2KHz, respectively. The rated input voltage and frequency is 415 volt AC and ABHIYANTRIKI An International Journal of Engineering & Technology (A Peer Reviewed & Indexed Journal) Vol. 4, No. 5 (May, 2017) http://www.aijet.in/ eISSN: 2394-627X