Rectifier transformer and power transformerPower transformers generally refer to transformers powered by electric traction systems. Most of the transformers in the power grid are power transformers.The rectifier transformer is a transforme…

DC resistance and insulation resistanceThe purpose of measuring DC resistance is to check the quality of the windings or coils of electrical equipment and the integrity of the circuit to find the wire breakage, joint welding, poor contact,…

Self-resetting switch and self-locking switchThe power switch button of the computer case is a self-resetting switch. Its function is to turn on the start circuit at the time of pressing, and give the motherboard a start signal, and then d…