Is the output of control transformer DC or AC?

Transformer is a device to change AC voltage by using the principle of electromagnetic induction. Its main components are primary inductance coil, secondary coil and iron core (magnetic core).

There are many ways to distinguish DC and AC ~ today, Songkai inductor manufacturers give you a move!

1、 Control transformer formula to distinguish:

The formula of judging alternating current and direct current

The pen judges AC and DC, AC is bright and DC is dark,

The AC neon tube lights up all over the body and the DC neon tube lights up one end.

1. As long as a transformer is used in the circuit, the output of the transformer must be AC voltage.

This is because the direct current can not pass through the transformer (mutual inductance will not be generated), so as long as there is a transformer in the power circuit, its output must be AC voltage. If you want to make the output voltage of the power supply DC voltage, you can use the rectifier circuit to rectify the AC voltage into the rectifier voltage.

The output of electronic transformer is DC, and the output of AC is linear transformer. After the input of AC, the electronic transformer first rectifies into DC, then modulates into high frequency AC through PWM of switch tube, and turns into low-voltage high-frequency AC through high-frequency transformer, and then rectifies into low-voltage DC.