Whatsminer power supply repair course

Whatsminer P221C PSU PFC circuit

Whatsminer P221C PSU PFC circuit This video will explain the PFC circuit on the P221C power supply and perform a test demonstration. The PFC circuit of Whatsminer P221C PSU consists of PFC chip, PFC inductor, capacitor, rectifier bridge stack, MOS tube, and diode. This circuit is used to boost the voltage and supply it to the main power area, auxiliary power part, and transformer.

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Spring Festival Holiday Notice

Dear students,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from January 21 to February 4, 2025 (GMT+8). The course tutors will reply to you when they see the message. Please forgive them if they fail to respond in time. Thank you for your support and trust in 2024. In 2025 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD


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