Firstly, what is a solar inverter? A solar inverter is a device that converts the variable direct current (DC) produced by solar panels into alternating current (AC), so that the power can be used in your home or put into the power grid network. Solar panels can't produce AC power, so therefore, a solar inverter is necessary for a solar installation.
There are 3 types of solar inverter: Grid tie inverter, stand-alone inverter and battery backup inverter. Each of these inverters serves a different purpose and must be selected based on the type of solar installation it is being used with.
A grid tie inverter match phase with sine wave power supplied by the power utility. They are designed to shut down automatically, for safety resons, should there be a power loss. They also don't provide backup during power outages.
Stand-alone inverters use DC power and draw the power from batteries which are charged by the solar panels. They work on stand-alone applications, however some are built with a charger that can charge the batteries with AC power if needed. Almost always, they have no connection to the main grid.
Battery backup inverters are designed to draw power from a battery, manage the battery charge level and export excess power to the utility grid. These inverters are able to supply AC power in the instance of a power outage.
If you are trying to decide on a power inverter for your system but don't know which one you need, get in touch with us today!