MODELING SIMULATION AND HARMONIC ANALYSIS OF A SERIES RESONANT INVERTER FEEDING RL LOAD: CONSIDERING TRANSFORMER PARAMETERS

• Main Authors: R K Keshri, A. B. Chattopadhyay
• Format: Article
• Language: English
• Published: Yeshwantrao Chavan College of Engineering, India 2016-07-01
• Series: Journal of Research in Engineering and Applied Sciences
• Subjects: series resonant inverter; modeling; high frequency transformer; harmonic analysis; butterworth filter.
• Online Access: http://www.mgijournal.com/Data/Issues_AdminPdf/50/Paper_16issue%20(2).pdf

Series Resonant Inverter (SRI) is a source of very high frequency energy and is used for high frequency applications, such as Induction heating, Metal and thin film plastic surface treatment, communication and AC power flow areas (HVDC and HVAC) etc. SRIs are linked with the load through high frequency transformers to improve the current gain. Inclusion of transformers and RLload leads to higher frequency harmonic components in the load voltage. The present papers includes the harmonic analysis of a basic SRIs (Class – A), feeding RLload with the consideration of transformer parameters. System is modeled first in continuous time domain and then harmonic analysis is carried out using MATLAB/SIMULINK which is extended to the filtering out the higher frequency harmonic components using Butterworth IIR filter.