Principle of work Power system voltage is converted to a very high switching, for example, is 48kV, or to reduce the size of the wire, 24kV leaders needed to power a distance of sight when you reach the destination before the power House would transform voltage levels, reduced to 220 V to reduce the harm caused to the user and to use with low voltage power level such as 9V, 6V, or must be converted from 220 V electricity according to the voltage level. A device that functions such We call it transformers (Transformer). The operation of the transformer. Relying on the principle of the relationship between the electric current with magnetic force in the creation of the mobile force is induced with a current flowing through the coil when it has the lead, it will cause a magnetic force around the line, and if the input stream has the size and direction of changing back and forth, the magnetic field is changing. If the magnetic field is changed, it will cut through the mobile force induced at the magnitude of the voltage induced motion is related to the intensity of the magnetic field and the speed to cut through the release of magnetic field.
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