Batteries and photovoltaic modules provide DC or direct current in order to power gadgets and appliances that run on that kind of energy. In order to change DC or direct current into AC or alternating current to be able to utilize other appliances inside the home, what you need is an inverter. To be able to make the most out of the energy output, you would need an inverter with these characteristics:
Low distortion
High surge capacity
Low standby losses
And high efficiency
To be able to classify inverters, you have to determine the AC output waveforms. There are two major classifications of wave forms and they are pure sine wave and modified sine wave. Pure sine wave inverters are generally used in sensitive electronic devices which have need of high quality waveforms with very minute or almost negligible harmonic distortion. These specific inverters have a higher capacity for power surges. This means that they can operate even if they go over their allotted wattage but understandably, for a limited amount of time only. This feature allows equipment with power motors to start right away even if they go over up to seven times their rated wattage at the startup process. Almost all electronic gadgets will run if the output is a pure sine wave inverter.
Modified sine wave inverters are also called step wave or modified square wave inverters. These devices estimate a pure sine waveform and are specifically made to meet the efficiency conditions required by photovoltaic systems. They are cheaper compared to pure sine wave inverters and are capable of working even with a variety of different loads such as printers, computers, satellite receivers, television, and a lot more.
Most of the equipment that we see in the market today runs using sine waves and they include clocks, drills, microwaves, et cetera. They would be unable to produce maximum output if they so not use sine wave current. They may even be damaged if forced to work without it. Electronic gadgets that use sensitive forms of calibration can only work with the use of pure sine wave inverters. For those who do not require sensitive calibration, the cheaper modified sine wave inverters can be a good option. In fact, they are the most common inverters available in the market.
Pure Sine wave Inverter possess unique advantages over modified sine wave power inverter yet at times, the latter can work just as effective as the other without costing so much.
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