Which is better - Pure Sine Wave Inverter or Modified Sine Wave Inverter?

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Given that we can’t imagine our lives without appliances like a fridge, television, computers etc, having an inverter is a must in every home and office. These inverters convert Direct Current power stored in the battery or from solar panels into Alternating Current, which is fit for appliances. For this conversion of power, the constant DC voltage must be converted to a sine wave curve by going above and below 0 volts.

On the basis of how they convert DC power to AC power, inverters can be classified as a pure sine wave inverter and modified sine wave inverter. Let’s take a closer look at the difference between them.

 Pure Sine Wave vs. Modified Sine Wave

A pure sine wave is a smooth wave form of electricity. In a modified sine wave, the voltage goes straight up and down, thus creating a blocky wave pattern. As the number of steps in a modified sine wave is increased, it comes closer to a pure sine wave.

Usage

Not all appliances require pure sine wave. Modified sine wave power can be used for any appliance that does not have delicate electronic parts. This includes old school tube televisions, compressors, refrigerators and lights and fans. However, it may make the appliances heat up and reduce their lifespan. Devices like photocopiers, laptops, digital clocks, battery chargers and medical equipment such as CPAP machines will not run on modified sine waves. For these appliances, a pure sine wave power supply is essential.

Costs

In the earlier days, a pure sine wave inverter was much more expensive than a modified sine wave inverter. However, today, this isn’t the case. As we make technological progress, the cost of pure sine wave inverters is reducing and becoming more and more comparable to modified sine wave inverters. However, this is only the short term costs. In the long term, using a modified sine wave inverter can reduce the lifespan of your appliances considerably. Thus, you should also factor in the cost of replacing these appliances in the future.

Convenience

When pure sine wave power is used for lights and fans, it reduces or nearly eliminates the humming sound that is created when they run on modified sine wave power. Thus, it lowers noise pollution and eliminates that irritating hum associated with power from inverters. It also makes appliances like microwaves run more quietly. When used to power computers, Genus pure sine wave inverters reduce the frequency of screen glitches, crashes and monitor noise. On the other hand, using a modified sine wave inverter can increase the chances of these glitches and make your printouts appear weird. Audio equipment will also produce a more soothing sound when run on pure sine wave power as compared to modified sine waves.

A Genus pure sine wave inverter generates much cleaner power as compared to the other and is often the best choice for your home. You don’t buy an inverter every day, so think carefully, look at the various options available and make a thought-through decision.

Related Post:
Top 3 Reasons to Buy Best Sine Wave Inverter

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