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DC to AC Inverters

Inverter is an electrical device used to convert DC electrical current (DC) into alternating current (AC). Inverters convert DC from devices such as batteries, solar cell into AC.

The use of inverters from the Solar Power Plant (PLTS) is for devices that use AC (alternating current).

Some things to consider in the selection of the inverter:

* Load capacity in Watt, try to choose an inverter that the workload was approached with load shall we use to its maximum efficiency
* Input DC 12 Volt or 24 Volt
* Sinewave or Square wave AC outuput

True sine wave inverters is required primarily for the loads that are still using motors that work easier, smoother and faster is not hot. Therefore the price in terms of true sine wave inverter is the most expensive among the others because he was the most closely approximates the original waveform of the electricity network.

In its development in the market are also circulating of modified sine wave inverter which is a combination of square wave and sine wave. Waveform when viewed through sinusoidal oscilloscope with no dotted line between the axis y = 0 and graph sinusnya. Devices that use a coil can still operate with a modified sine wave inverter, it's just not maximal.

While in the square wave inverter electrical loads that use coil / motor can not work at all.

Also known is also the term Grid Tie Inverter is a special inverter normally used in renewable electrical energy systems, which convert DC into AC electric current is then fed into an existing electrical network. Grid Tie Inverters also known as a synchronous inverter and this device can not stand alone, especially when the electrical power network is not available. With the grid tie inverter excess KWh PLTS obtained from this system may be channeled back into the electricity network to be shared and as a replacement amount of KWh of electricity supplied to be paid to the provider PLTS, certainly with previously agreed rates. Unfortunately, until now this kind of tariff provisions are still simmering in line with rules on private electricity.

Losses / loss that occurs in the inverter power dissipation is usually in the form of heat. The highest efficiency is held by the grid tie inverter that diclaim can reach 95-97% when the load close to rated output load. While in general the efficiency of the inverter is around 50-90% depending on the load output. When the output load coming closer to the workload of the inverter are listed effisiensinya greater, and vice versa. Modified sine wave or square wave inverter, inverter when forced to inductive loads then effisiensinya would be much reduced compared with true sine wave inverter. The device will suck power 20% higher than they should.