| 摘要 |
<p>The invention discloses a power supply. The power supply includes a rectifier, a rectifying diode, a common mode filter, and a relay shift. Wherein, the output voltage of the transformer increases and decreases including the rectifying diode which reciprocity is connected while the other end is connected to the transformer, and the common mode filter, and relay shift according to the decided operation of the relay shift.</p> |
