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What is the current relationship between transformer primary coil and secondary coil?

BACK Time:2020-07-08

What is the current relationship between transformer primary coil and secondary coil?


When the transformer operates with load, the change of secondary coil current will cause corresponding change of primary coil current. According to the principle of magnetic potential balance, the current of primary and secondary coils is inversely proportional to the number of turns. The current on the side with more turns is smaller than that on the side with less turns. It can be expressed by the following formula: primary coil current / secondary coil current = secondary coil turns / primary coil turns.