Types of solar inverters

Types of solar inverters

Now you know what a solar inverter is and how it works, it's time to look at the different types of inverters. There are 5 different kinds of solar inverters, all with varying benefits :

Battery Inverters

A battery inverter is the best option if you are needing to retrospectively fit a battery into your solar system, or are wanting to keep your battery separate from your solar panels and run through a different inverter. A battery inverter converts your battery power into 230V AC and feeds it into your switchboard (instead of grid power) wherever possible.

Central Inverters

A central inverter is huge and is what is used for systems which require hundreds of kilowatts (or even sometimes megawatts) of volume. They aren't for residential use and resemble a large metal cabinet, with each 'cabinet' being able to handle around 500kW of power. They are generally used commercially for large-scale installations, or for utility-scale solar farms.

Hybrid Inverters

Hybrid inverters, otherwise known as 'multi-mode inverters', are pretty uncommon in Australia and allow you to connect batteries to your solar system. It engages with the connected batteries through 'DC coupling' (when both the solar and batteries use one inverter and the DC from the solar panels charges the batteries via a DC charger) and its electronics organise the charging and discharging of the battery.

Microinverters

As their name suggests, microinverters are super small (the size of a book!) and the ratio of solar panels to microinverters is 1:1. The benefit of a microinverter, among others, is that they optimise each solar panel individually, which offers more energy (especially in shady conditions).

String inverters

Last but not least, there are string inverters. String inverters are the most common inverter option for residential use, and there is usually 1 string inverter per solar installation. They are known as 'string inverters' due to the fact that a string of solar panels is connected to them.


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