What is the Principle of a Voltage Regulator?

1 Answers
SanCooper
07/30/25 2:30am
Voltage regulator actually refers to an autotransformer. Its working principle is as follows: keeping the input voltage unchanged, then extracting a portion of the voltage from the input coil as the output. When the number of coil turns changes due to the movement of the sliding arm on the input coil, the output voltage also changes accordingly, thereby achieving the purpose of regulating the output. Here are some precautions when using a voltage regulator: 1. The common terminal of the high-voltage device must be the neutral wire, otherwise it may easily cause electric shock accidents; 2. The regulator does not provide electrical isolation, so it must be used with caution, and professional knowledge is essential.
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