Why the output of DC power supply does not allow short circuit
The output short circuit will cause the output current greatly increased, so that the power supply itself is too large and burned, so the output does not allow short circuit. But this is not absolute, there is a perfect protection function of the transistor DC power supply, the output short circuit will not have any effect, but the short circuit, after all, is not a normal working condition.
In fact, the resistance of the short circuit is very small, a small voltage will produce a lot of current, causing power or personal injury. However, most of the experimental power supply limited current, short circuit protection, short circuit will cut off the output.
In fact, the resistance of the short circuit is very small, a small voltage will produce a lot of current, causing power or personal injury. However, most of the experimental power supply limited current, short circuit protection, short circuit will cut off the output.
It will burn it out.
Regulator is to keep the voltage almost constant.
Short circuit will have a lot of current generated, which has a lot of heat, the result is the power is broken.
