Sine wave inverters are basically current converting oscillators that convert direct or DC current made available from batteries to Alternating or AC current that is required to run electronic equipment and devices at homes and offices today. As a pure sine wave inverter is very costly, there are many other affordable options that one can use today. These cheaper inverters are something that compromises on quality to a certain extent for affordability. Also, this compromise in quality will not lead to any compromise on the safety of running the electronic appliances such as televisions and stereos or even microwave ovens.
Here is a detailed explanation; when pure sine wave inverters are used, there are no harmonic oscillations at all and it is these oscillations that are responsible for undesirable problems and noise creation for electronic appliances. In the quasi inverter, these oscillations are present but to a very limited extent.
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But one will require a voltage controller as if this device is absent then the electronic devices may function erratically or even get severely damaged. The main reason for this is that in quasi wave devices, the voltage supply tends to fluctuate in relation to the voltage of the battery packs that are connected as sources. This fluctuation in voltage is what creates problems in the smooth functioning of electronic devices. So it best suggested that you use a voltage regulator so as to ensure the safety of all the appliances and gadgets at home.
When talking about a pure or true sine wave inverter, one important fact is that the circuitry of these inverters is much cleaner as compared to the units meant for home or office usage. The overall construction and even the design is such that all unnecessary harmonic oscillations almost eliminated and each and every device that is set to operate using these inverters will function a hundred percent smoothly. This is why many high-end home theatres and amplifiers recommend using only these inverters and not the quasi wave instruments so as to ensure smooth running and optimum performance.
For those who looking to invest in this useful piece of electronic wizardry, you will first have to select the wattage required for your home, office or factory; the options available range from 300w to 1000w. You will also have to decide whether you want to spend big money on quality unit that produces a pure wave or whether it will be okay to use a modified quasi. If you are planning to run regular home appliances and devices then selecting a quasi / modified-sine inverter will do. But for high-end devices, such as home theatre systems, satellite receivers, or machines in your factory, it is best recommended that you invest as much as possible, as this will ensure enhanced safety of your appliances even at times of voltage fluctuations.
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