Whatsminer power supply repair course

Whatsminer P21 PSU PFC circuit

Whatsminer P21 PSU PFC circuit PFC circuit is a very important part of Whatsminer P21 power supply. The circuit mainly consists of bridge stack, PFC inductor, MOS tube, diode and 450V capacitor. Its function is to boost the 300V DC voltage to 400V for the main power area. Only when the PFC circuit is working normally, the circuit can continue to supply power downward. This video will explain the PFC circuit of the P21 PSU in detail. If you have any questions, please consult the instructor in time.

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