Photovoltaic

Circuit Breakers for Direct Current Applications

Aug 1, 2026 · 9 min read

Direct current, which was once the main means of distributing electric power, remains widespread today in electrical plants supplying particular industrial applications. The advantages offered by the use of DC motors and supply through a single line make direct current supply a good solution for railway and…

Free Solar PV String Sizing Tool: FIMER String Sizer

Jul 17, 2026 · 3 min read

Designing a photovoltaic (PV) system requires careful calculation to ensure that the solar panels and inverter are perfectly matched. One of the most critical steps is determining the correct string size — the number of solar panels connected in series to an inverter’s MPPT (Maximum Power Point Tracking) input. An…