Antminer APW8 - 2. Maintenance ideas and cases of common faults; 2.1 Block diagram for power basic principle

APW8 Power Supply Maintenance Guide
6
Rated current (at
220V input)
5A
Ripple and noise
<1%
Voltage accuracy
12.2V---12.4V
Source regulation
rate
<1%
Load regulation
rate
<1%
Startup, rise time
<2S
Power down
holding time
>10mS
Input
Voltage range
200-240V AC
Frequency range
47-63Hz
Power factor
>0.99(full load)
Leakage current
<1.5mA（220V 50Hz）
Protection
Input undervoltage
protection value
80-89V AC
Output short
circuit
Yes
Output overcurrent
protection value
95-130A
Over temperature
protection
Yes S
Environment
Operating
temperature
-20-60℃
Working humidity
20%-90%RH (no condensation)
Altitude
Lower than 2000m
Structure
Size
204.8SSS*157*42.5mm
Net weight
1.7kg
Cooling method
Forced air cooling
Noise
67dBA
2. Maintenance ideas and cases of common faults
2.1 Block diagram for power basic principle