TD series inverter solar with solar energy
Why do you need a power supply?
The function of the power supply is to convert household high-voltage alternating current into pure low-voltage direct current.
When the commercial power enters the power supply, the high-frequency clutter and interference signals are first removed by the choke coil and capacitor filtering, and then the high-voltage DC power is obtained through rectification and filtering. Then, the high-voltage direct current is converted into high-frequency pulsating direct current through the switching circuit, and then sent to the high-frequency switching transformer to step down. Finally, the high-frequency AC part is filtered out, so that the relatively pure low-voltage DC power used by the computer is finally output.
Through the above simple discussion, we should know a thing or two. The voltage of household circuits is 220V, while the voltage of computer accessories we are familiar with is generally only single-digit volts. For example, the standard voltage of the most powerful CPU for civilian use, the i7-5960X, is only 1.209V. So, why can we safely disassemble and assemble accessories when the power is turned on and off? That is because after the power supply, the entire host gets low-voltage direct current.
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