Digital Versus Sinewave Inverters Noida, Delhi and Gurgaon, Brands Microtek, Luminous and Su-Kam
Depending on which dealer you ask in Noida and Delhi, you are very likely to get different answers to the question -
Which Inverter is Better - Digital or Sinewave
First the technical difference -
Digital Inverters
Binary communication consists of ones and zeros. A digital inverter is a basic building block of many binary devices. It simply takes a zero or one as input and returns a one or zero, respectively, as output.
Modified Sine Wave
Inverters convert DC power (steady positive voltage) to AC power (voltage that alternates positive and negative as a sine wave). They do this by rapidly flipping the DC power, positive to negative and back again. However, the resulting waveform usually comes out box-shaped. rather than a smooth sine wave curve, which is why some inverters are called "modified" sine wave inverters.
Pure Sine Wave
"Pure" sine wave inverters implement complicated and expensive technology to produce a smooth sine wave output. The smooth power provided is better suited to higher-end electrical appliances than is the output from a modified sine wave inverter.
NOW, as consumers how do we interpret this information -
I have a few rules of thumb for understanding the difference -
Digital - Makes Noise when it runs and can be annoying
Sinewave - Is quiet and does not make noise, even if it is there it is negligible
Secondly
Digital - You need to use a UPS with it for a desktop
Sinewave - You do not need to use a UPS with it for a desktop
Thirdly,
Digital - Is Relatively Cheaper
Sinewave - Is relatively Expensive
Now if I am a consumer what would I prefer - Hands down Sinewave
Why? Buying an Inverter is a commitment which lasts 4-7 years and sometimes more, for a thousand odd rupees more I would have to listen to a whirring sound every time the lights are out.
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