Whatsminer P221C PSU EMI filter circuit

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Whatsminer P221C PSU EMI filter circuit

EMI filter circuit is used to eliminate electromagnetic interference and is a necessary condition for s operation of the power supply. The EMI filter circuit of Whatsminer P221C power supply consists of 2 common mode inductors, 2 X capacitors, and 2 Y capacitors. If this circuit is abnormal or stops working, it may affect the s and safe operation of the P221C PSU. This lesson will demonstrate how to troubleshoot this circuit.

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