Solar Inverters
Converting DC to AC power

An inverter is an electrical device which accepts electrical current in the form of direct current (DC) and converts it to alternating current (AC). For solar energy systems, this means the DC current from the solar array is fed through an inverter which converts it to AC. Household tools, equipment and appliances run on AC power.

Inverters are responsible for converting your PV and Battery power into a form that is useable by your home or office. Technically speaking it is converting DC power into AC power. Inverters have been around for many years but only recently in the last 5 years have there been a wide variety for customers to choose from. There are two main categories of Inverter:

Sunsynk Hybrid Inverter - Mains power and solar power in

Battery Inverters

A battery inverter is a good option if you are looking to retrospectively fit a battery backup into your home. A battery inverter simply converts your battery power into 230V AC and feeds it into your switchboard (instead of grid power) when the main supply is cut during black outs. It will charge the batteries from the main utility supply.

Central Inverters

Central inverters are no different to other inverters and are designed for systems which require hundreds of kilowatts (or even sometimes megawatts) of volume. They aren't normally for residential use and resemble a large metal cabinet, with each 'cabinet' being able to handle up to 150 kW of power. They are generally used commercially for large-scale installations where PV and batteries combine into a critical supply for factory production.

Sunsynk 8Kw Hybrid Inverter

Hybrid Inverters

Hybrid inverters, otherwise known as 'multi-mode inverters', are the most common 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 up to 1:4. The benefit of a microinverter, among others, is that they convert DC power into AC power for direct consumption by your home.

String inverters

Last but not least, there are string inverters. String inverters are the most common inverter option for commercial use, where power backup is not needed and there is usually multiple strings per solar installation. They are known as 'string inverters' due to the fact that a string of solar panels is connected to them. Their benefit is about reduced electrical costs.


Sunsynk Hybrid Inverters

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