What is solar Inverter?

What is solar Inverter?

Solar inverters are the driving force behind solar energy systems. From small household solar deployments to large-scale farms that help to support the energy grid, every photovoltaic solar energy system requires a way to transform the direct current (DC) energy created by solar panels to alternating current (AC) power. That’s the job of the solar inverter.

How does a solar inverter work?

A solar inverter technically works by converting DC to AC by rapidly switching the direction of a DC input. As a by-product, a DC input transforms into a 120V/240V AC output. When light hits a solar panel’s photovoltaic cells, its energy causes electrons in the semiconductor layers to begin bouncing around. This causes them to flow between the positive and negative layers of the photovoltaic cell via a junction, generating DC energy.

Once generated, this energy is either stored in a battery for later use or transferred directly to an inverter. When the inverter receives this energy, it is passed to a transformer which produces an AC output. By making the transformer behave like AC, the inverter tricks the transformer into believing that the DC input is AC. This is achieved by passing the DC energy through two or more transistors that rapidly turn on and off.

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