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This paper investigates a direct approach to programmed PWM modelling directed to simplification of implementation. Analytical equations of Equal Areas Pulse Width Modulation (EAPWM) method are presented along with harmonic analysis results for odd number of pulses in half period of a 3-level single phase VSI. Simulation and practical work is being presented also. Estimation of the marginal modulation index has been carried out, inside the linear region of operation. The proposed methoddoaj:e7c80c0a3604460c8f33ce91ca12bb2d fatcat:vehp7pf755byfij2nsgtf7l62a