Choosing a battery inverter for off-grid life-Solar Quotes Blog

2021-12-08 09:47:49 By : Mr. Ben dai

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Visit the inside of the Australian factory, which produces Selectronic, which is widely regarded as the best off-grid inverter in the world, and learn some valuable tips on battery inverter selection.

This clip is from episode 9 of the SolarQuotes TV series; it shows some of the best examples of off-grid life in Australia-as well as solar power, batteries and other hardware that make it possible to live comfortably without a main grid connection.

Finn: Now, continuing the theme of the last few weeks, I will hand over the solar technology department to a pioneering Australian company that happens to make many people, including me, consider the best off-grid inverter in the world. Device. Lindsay Hart from Selectronic.

Lindsay: Selectronic manufactures battery inverters in Melbourne. We made our first inverter in 1980 and I have been living off-grid since 1994. So, I think this makes me a solar nerd.

We use our SP Pro battery inverter to enhance people's lives. The inverter can convert direct current to alternating current, control solar output, battery current, and even control automatic start of generators when needed. Our technology can be operated on the grid or off the grid.

Today we will concentrate on getting off the grid.

Now, off-grid system-this is an essential service. Please do it correctly. These inverters are bidirectional and can fully control active and reactive currents. You add this to the fact that we use 50 Hz transformers, which provide you with very powerful off-grid inverters.

However, there are a few things you must consider.

Electrical loads are usually very complex: resistive, inductive, high inrush current requirements.

It is very important to understand the continuous output of the inverter. Don't be misled by the 30-minute ratings or VA ratings. Look for the true 24/7 continuous output power, and then take a closer look at the continuous charging current of the device.

Then look at the peak output it can handle. Will it start that welder? Will it start that big air-conditioning unit? You must consider these things for off-grid.

Now, for example, the inverter here has a continuous output power of seven and a half kilowatts; 11.25 30 minutes, a huge 18 kilowatt peak output for 30 seconds.

Lindsay: It is also important that you ensure that the battery can truly provide the current required by these large inverters. This is a common mistake in the past two to three years, and some new modern batteries have been deployed.

Now, as a two-way inverter, this means that we can get power from batteries, surplus power from AC-coupled solar energy, and power from generators. AC-coupled solar is very suitable for places with high loads during the day and is very efficient, or you can use DC-coupled solar, where there may be more night loads.

By the way, my off-grid house is equipped with all modern appliances: swimming pool, gas heated spa, hot water heat pump, rehearsal room and everything you would like to see in an ordinary home. For 27 years, I have not encountered any problems. Of course, the system has grown stronger, but it still never disappoints me.

Founded in 1964, Selectronic initially produced custom inductors and transformers for the local electronics market. The company has been established for about 57 years and is thriving in an increasingly competitive environment, which explains the quality of its products.

Selectronic's manufacturing plant and headquarters are located in Wantirna, in the eastern suburbs of Melbourne. You can learn more about the company and read reviews from Australian customer Selectronic inverters here.

Check out other great stories about off-grid life in Australia in episode 9 of SolarQuotes TV. For more SQTV episodes and other interesting videos about solar and battery storage, check out SolarQuotes' Youtube channel!

Michael discovered solar problems after purchasing components to assemble a small off-grid photovoltaic system in 2008. Since then, he has been covering Australian and international solar energy news.

These are great inverters. We have a three-phase off-grid system that uses them. They are completely reliable.

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