Explore the detailed inverter parts diagram PDF, offering a clear view of components, wiring, and functionality for effective troubleshooting and maintenance. . An inverter is one of the most important pieces of equipment in a solar energy system. It's a device that converts direct current (DC) electricity, which is what a solar panel generates, to alternating current (AC) electricity, which the electrical grid uses. In DC, electricity is maintained at. . Inverters are the heart of solar systems and power solutions, converting DC power into AC power to power your home or business. But not all inverters are created equal. The secret to a high-performance, long-lasting inverter lies in its core components. It's a vital Balance of System (BOS) component and includes functions like Maximum Power Point Tracking (MPPT) and anti‑islanding protection. Inverters of the past were inefficient and unreliable while today's generation of inverters are very efficient (85. .