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Types of inverter

Hey guys,
Power cut is always disturbing.Sometimes you miss your favourite TV show sometimes you lose touch from reading anything and so on.Specially during summers you can't tolerate power cut for long.To address this issue engineers created inverter.Now we have heard about sine wave inverter which work on sinusoidal curve of current and time.And this is mostly used in our household.Next kind of inverter which very few of us have heard about is box-wave inverter or square wave inverter.Actually this was the first kind of invertor invented and mostly used for big machines in plants.The main reason why it is not used in our house is that it is quite noisy bcz current stays stable for a particular time before coming to zero thus generating a square in the graph.Whereas sine wave invertors are smoother and not noisy.I hope you got to know something interesting today.
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