A power system (200) for data center (210), which comprises: a critical electrical equipment (211), an alternating current (AC) transformer (121), an AC power distribution unit (PDU) (123), a rectifier transformer (231), and a DC PDU (233). The critical el...

The present invention provides an improved dual-input power supply including a dual-input terminal, an input source selection controller, a load adjustment switch circuit, a power conversion circuit, an automatic switch circuit for power interruption, and ...