Solar Inverter

 

What is an Inverter

The inverter is the heart of a solar power system. It converts the DC output of the solar panel to AC power that can be used by your home appliances. With a substandard inverter, your solar power system is at best, underperforming and at worst, an expensive white elephant on your roof. Choosing an inverter is an important decision and one that warrants significant research and investigation.

There are many different brands of solar inverters and the variance in terms of quality, performance and longevity are hugeMost inverter manufacturers have a single-phase option for the most common inverter sizes and fewer three-phase options. The most common inverter sizes for residential applications are 3kW, 5kW and 10kW. Most commercial solar installations are 3 phase starting at 10kW.

When choosing a solar inverter it is important to consider:

About the manufacturer –

  1. How long has the manufacturer been around?
  2. How long has the manufacturer been producing inverters?
  3. Is the manufacturer financially stable and a good long term bet?
  4. Is there a competently staffed Australian office to handle warranty?
  5. What is the warranty period? Minimum 5 years parts + labour is industry standard. The warranty can be extended with most brands (at additional cost).
  6. How difficult is the warranty procedureSome inverter manufacturers excel in the warranty procedure area and some are dismal at best.

SMA 3 Phase Inverter.

About the inverter itself

  1. What size is going to suit your current needs and possible future usage?
  2. Do you have good, strong, reliable WiFi at the inverter location? Many inverters no longer have screens on the front, so monitoring the production relies on internet connectivity.
  3. Do you have shading issues? Microinverters or power optimisers are ideal for this application.
  4. Do you want to have panels facing more than 2 different directions or inclinations? Microinverters or power optimisers would be required.

Inverter Brands We Recommend:

SMA
Fronius
Selectronic
SolarEdge

Designing and installing inverter solutions is complex and must be carried out by suitably accredited professionals. Speak to an Electrical Sensations expert to find out more.

Try the energy savings calculator now, to see what your potential savings could be.

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