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1:1. Isolating transformer is a safe power source, which is generally used for machine maintenance and protection, lightning protection, and filtering. The isolation transformer is a 1/1 transformer. Primary single-phase 220V, secondary is single-phase 220V. Or primary three-phase 380V, secondary is three-phase 380V. First of all, usually we use the AC power supply voltage to connect a line to the earth, and there is a potential difference of 220V between the other line and the earth. Contact with people can cause electric shock. The secondary of the isolation transformer is not connected to the earth. There is no potential difference between any two wires of it and the earth. There is no electric shock when a person touches any line, so it is safer. Secondly, the output terminal of the isolation transformer is completely isolated from the input terminal. This effectively filters the input terminal of the transformer (supply voltage of the power grid). So as to provide electricity equipment to provide a pure power supply voltage.
2. There is no electrical connection between the primary voltage and the secondary voltage, and the electrical isolation is carried out. The secondary voltage can be touched by hand without generating a loop.
3. Isolation transformers, as the name suggests, isolate the primary side (primary side) from the secondary side (secondary side), usually through certain insulation measures, to convert the high voltage to low voltage because a certain amount of insulation is applied and the voltage is low The risk of electric shock does not usually occur, so it is called a safety transformer.
Safety isolating transformer, a transformer that electrically separates the input winding from the output winding by at least the equivalent of double insulation or reinforced insulation. This kind of transformer is designed for supplying power to distribution circuits, electrical appliances or other equipment with safe extra-low voltage.
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