3 Phase Off Grid Inverter

https://www.raisunpower.com/products/3-phase-off-grid-inverter/

Three-phase off-grid inverters convert DC power into three-phase power. A three-phase power supply provides three alternating currents with evenly separated phase angles. All three waves generated at the output have the same amplitude and frequency, but vary slightly due to loading, while each wave is 120 degrees out of phase with respect to each other.