3 Phase Solar Inverters – Do YOU Need One?

3 Phase Solar Inverters – Do YOU Need One?

At Gold Coast Solar Power Solutions we have been receiving a few inquiries lately from customers who have 3 phase power at their property and they’ve been told that they require a 3 phase solar inverter to suit this.

Do You Need A 3 Phase Solar Inverter?

The answer to this question really comes down to your unique situation. 3 Phase solar inverters do have some benefits but they also come at a higher cost compared to single-phase solar inverters. Due to the higher cost, you really want to make sure that it’s worth it!

What Are The Benefits Of 3 Phase Inverters?

The main benefit of 3 phase solar inverters is that they convert the solar power to AC power which is fed evenly into the property overall 3 phases. For example, a 5 kW single-phase solar inverter working at maximum capacity would be feeding 5kW of solar power into one phase but a three-phase 5kW solar inverter in the same situation would feed the powder evenly into the 3 phases. 5 kW divided by 3 phases = 1.7 kW; that’s 1.7 kW of power feeding into each phase.

This is very important with larger (6 kW and greater) solar inverter systems as if all the power is feeding down one phase it may well be too much load on the single-phase and create an unbalance between the loading of the phases. For solar power systems with inverters of 5kW capacity or less this generally isn’t an issue because 5 kW of power feeding down 1 phase is not usually a problem. I say not usually a problem as in some situations smaller solar power systems between 3 to 5 kW will require a 3 phase solar inverter to be installed.

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