Whatsminer P221C power supply structure and powering

The P221C PSU is a power supply for high-efficiency Bitcoin miners Whatsminer M30S and M31S. If there is an abnormality in the power supply, the M30S or M31S miners will not operate properly. Before starting to troubleshoot the power supply, we need to understand the structure and power supply process of the PSU to better learn how to repair it.

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