摘要 |
<p>A power supply system including a plurality of power units which supply power to loads through the common bus, wherein the number of power units connected to the bus is larger at least by one than the number of power units necessary to suffice the maximum power consumption of the load. The redundant power unit is ready to relieve a working power source unit in the event of fault. The power supply system incorporates a power monitoring unit which detects the failure of a power source unit.</p> |