Transformer three-phase dual power supply automatic switching circuit diagram

Three-phase dual power supply automatic switching power supply circuit

Transformer three-phase dual power supply automatic switching This article describes in detail the operation steps of the dual power supply automatic switching circuit, the connection between the contactor and the load, etc., as well as manual automatic conversion, phase loss protection, etc. When A, 1 substation has electricity, KA is energized and closed, its normally […]