So you have decided to purchase an inverter to run an AC-powered device using a car battery or other DC power source. However, you're wondering if it's better to purchase pure sine wave inverters (PSW)? Or will the cheaper modified sine wave inverter (MSW) met all of your expectations? Let's find out.
When you shop for inverters these days, you will be presented with two options: pure sine wave or modified sine wave. If you're a first-time buyer, you probably don't know the difference between the two. To avoid wasting your money on the wrong device, here's how these two common types of inverters differ from each other.
1. PSW provides electrical power similar to the one you get in your home or office. PSW features a smooth, flowing rhythm of electricity, which is more or less what you get in your home. It is also what most household appliances are designed to run on. In contrast, MSW delivers prolonged highs and lows, as well as plateaus at zero voltage. This basically means that PSW is more reliable as it does not produce electrical noise interference associated with other types of inverters for sale.
2. MSW is not compatible with all types of all appliances. Some appliances are compatible with MSWs, some are not. If you happen to use an appliance or a power tool that isn't compatible with this type of inverter, it might have difficulty starting or won't start at all. To avoid inconveniences, always remember this general rule: the more complex the appliance, the more likely it needs an inverter with pure sine wave output.
3. Appliances that run on pure sine wave are less likely to overheat. Because they produce a smoother flow of electricity, PSWs don't put a strain on AC appliances. As a result, they are less likely to overheat. On the other hand, you cannot say the exact same thing about MSWs.
Because of the plateauing peak outputs, appliances running on a modified sine wave will have to deal with more power for a longer period of time, thus, giving them additional heat. For this reason, most standard AC appliances will overheat if you use them with MSWs.
Conclusion
Sure, modified sine wave inverters may be cheaper, but they are not as reliable as pure sine wave inverters. PSWs are much safer for your appliances, too. So for a first-time buyer like you, it is highly recommended that you choose an inverter that features pure sine wave. This will give you better performance and a greater value for your money.
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