- Whatsminer power supply maintenance course mainly includes the explanation of P21 PSU and P221 PSU, the main content includes the structure and powering of the power supply, EMI filter circuit, PFC circuit, etc. The detailed and comprehensive Whatsminer PSU training and guidance course can help you quickly master the correct maintenance skills, avoid mistakes in the maintenance process, and reduce the losses caused by the downtime of the mining machine due to PSU failure. Attention: The circuit of the power supply has high voltage. During the repair process, it is necessary to discharge the power board correctly to avoid burning the PSU.
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Whatsminer P21 PSU structure and powering
Date: 2023-08-10 -
Whatsminer P21 PSU EMI filter circuit
Date: 2023-08-10 -
Whatsminer P21 PSU PFC circuit
Date: 2023-08-10 -
Whatsminer P21 PSU auxiliary power circuit
Date: 2023-08-25 -
Whatsminer P21 PSU main power circuit
Date: 2023-08-10 -
Whatsminer P221C power supply structure and powering
Date: 2023-10-16 -
Whatsminer P221C PSU EMI filter circuit
Date: 2023-10-16 -
Whatsminer P221C PSU PFC circuit
Date: 2023-10-16 -
Whatsminer P221C PSU auxiliary power circuit
Date: 2023-10-16 -
Whatsminer P221C PSU main power circuit
Date: 2023-10-16 -
Whatsminer P221C PSU Relay control circuit
Date: 2023-10-16 -
Whatsminer P221C power supply relevant voltage measurement
Date: 2023-11-20 -
Optocoupler feedback circuit in P221C number 2 auxiliary power area
Date: 2023-11-20 -
Whatsminer P221C main power chip optocoupler feedback circuit
Date: 2023-11-20 -
Whatsminer P222C power supply structure and powering
Date: 2023-08-17 -
Whatsminer P222C power supply EMI filter circuit
Date: 2023-08-17 -
Whatsminer P222C power supply PFC circuit
Date: 2023-08-17 -
Whatsminer P222C power supply auxiliary power circuit
Date: 2023-08-17 -
Whatsminer P222C power supply main power circuit
Date: 2023-08-17 -
Whatsminer P222C power supply relay control circuit
Date: 2023-08-25 -
Whatsminer P222C power supply relevant voltage measurement
Date: 2023-08-25
China Mainland
Hong Kong
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat
Company Phone: +86-023-72227777
Spring Festival Holiday Notice
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Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 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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