Design and Simulation of Low Cost Pure Sin Wave Inverter Through Multivibrator Technique by Using Multisim

Engr Shaiq Ali; Engr Muhammad Iftikhar

Design and Simulation of Low Cost Pure Sin Wave Inverter Through Multivibrator Technique by Using Multisim

Vol. 4, Issue 10, PP. 166-171, October 2017

Keywords: PWM, Inverter, 555 timer, 4017 Decade counter, Harmonics, Filter

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Pure sine wave transformers are very important nowadays when it comes to using ds power sources for both low and high-power applications. These inverters not only increase the efficiency of the power system but also prevent electrical components from damaging. Much work has been done in the field of pure sine wave inverter but for a waveform with low number of harmonics along with high efficiency is still an open challenge. There are techniques available to do this, but the need to adapt to a solution that is easy to implement as well as specifically for low energy applications. In this paper, a multi-vibration technique is used to generate a square wave which is then split into two square waves of the same frequency by the 4017-decade counter to hold the H-bridge inverter. The output of the H-bridge inverter contains harmonics that are filtered using a low pass filter. Thus, we get a pure sin wave in the output.

Engr Shaiq Ali, engineer.shaiq@yahoo.com, University of Engineering and Technology, Peshawar, Pakistan.
Engr Muhammad Iftikhar, miftikhar@uetpeshawar.edu.pk, University of Engineering and Technology, Peshawar, Pakistan.

Engr Shaiq Ali Engr Muhammad Iftikhar

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