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Frequently Asked Questions
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In your home you don't worry about the "quality" of the electricity that comes out of your socket. You plug in any device that needs electricity without thinking about it. This is exactly what an inverter enables you to do wherever you previously had to do without it. In mobile homes or boats you will often only find 12-volt/24-volt sockets. And in your remote garden shed there may not yet be any power connection at all.
Of course, you first need a power source. This can be a (supply) battery or solar panels system with which you can generate energy particularly efficiently and inexpensively. But the energy obtained in this way is also initially stored in a battery. However, your television or your coffee machine need a standard 240-volt socket. Now the inverter comes into play. That is why we said EDECOA powers you up everywhere.
An inverter provides you with a power connection with a 240-volt socket that is a matter of course in your home. Wherever there is only a 12-volt/24-volt DC power source available, the inverter provides the "right juice". It converts direct current into alternating current and ensures that the voltage changes from 12-volts/24-volt to 240 volts.
The voltage change from 12/24 volt to 240 volts is initially not that complicated. In order for the electricity to flow as "cleanly" and reliably as modern electronic devices require, the electricity needs a constant frequency of exactly 50 Hz. The inverter converts the previously very coarse and stepped course into a curve with the desired frequency.
Simple electrical consumers are content with a "coarser" curve. One could also speak of "imitating" a curve. Simple consumers particularly mean devices that do not require chips, integrated circuits, processors or LED displays. For these devices, inverters with a modified sine wave are a sufficiently reliable and at the same time inexpensive solution.
However, more and more - even supposedly simple - technical devices have clever additional functions that make many household appliances, tools or entertainment electronics really comfortable. In addition to computers or modern televisions, this also includes fully automatic coffee machines and even hair dryers or toasters. All these consumers have higher demands on the "quality" of the electricity with which they are supplied. Under an oscilloscope you can see this quality in the form of a curve that always runs smoothly: the sine curve or sine wave. On closer inspection, the sine wave is almost perfectly smoothed, without annoying "steps". The current from an inverter with a pure sine wave corresponds to the current that also comes from your socket at home.
Inverters are available in a wide variety of designs. A distinction is first made according to the performance. How much power your inverter should have depends primarily on the total power of the devices that you want to operate with the help of the inverter. To get a realistic performance rating, you should take a look at the type plates and identification labels of your electrical devices. First add the performance values given there.
Unfortunately, the value determined in this way is not yet sufficient. Because now you should focus on two other factors, the inrush currents and the inrush currents.
Almost all electrical consumers require so-called starting currents during or after they are immediately switched on. These can be a multiple of the nominal current that your device needs in regular operation. A factor of 5 or 10 is not uncommon. Transformers, switched-mode power supplies, electric motors and even modern LED lamps usually have very high inrush currents. The duration of the increased current is usually only a few milliseconds (in extreme cases several seconds); however, the inverter must have correspondingly higher power reserves for this period.
In addition to the starting currents, you may have also heard the term inrush currents. This is usually the case with consumers who have an electric motor and only get their full functionality when they start up properly. Typical examples of this are drills, angle grinders but also refrigerators whose compressors switch on again and again at certain time intervals.
There are many kinds of applicances that required different power. There is not any single fomula to calculate the result. Please go ahead to check the detail in the technical page.
This EDP-serial inverters from EDECOA can work well with flooded batteries, sealed batteries, VRLA batteries, AGM batteries, GEL batteries, Li-ion batteries.
What you need to pay attention to is the “normal voltage" of your battery. You would need a inverter whose DC input voltage is the same as the normal voltage of your battery.
For example, if the normal voltage of the battery is 12V, then you should need an inverter marked "DC 12V" input instead of one with DC 24V input. If you choose one inverter
with wrong input range, your system won't work. Even worse, if you choose a DC 12V to work with a 24V battery, that inverter would be damaged.
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