Basic power supplies will change the voltage and convert to DC power. These standard operations send unregulated voltage out of the power supply, but if you need regulated power, the devices have an additional step of regulating the voltage to smooth out waves. To discover more about how a PSU (power supply unit) works, read on to learn about the individual parts and their functions, which will clarify your view of the entire operation of the power unit.

Power supplies have essential functions found in all models with additional operations added depending on the device type. Power supplies may need to change voltage up or down, convert power to direct current, or regulate power for smoother outcoming voltage. These functions will help you choose which supply you need for your electrical needs. Getting a device with too many features could cost you more money than you need to spend, but if you don’t get the features you require, you could damage the devices you need to power.