2012年2月17日星期五

Power supply specifications for servers

Especially to the specifications of server Dell Inspiron 8600 AC Adapter, taking care to Server System Infrastructure (SSI). The main specifications of the latest EPS12V Dell Inspiron 8500 AC Adapter Design Guide brings together in version 2.92.

The following table shows the voltage variations are compared with the nominal values of the various lines and the voltage ripple. Compared with the ATX specification requirements for the EPS server power supplies are much tighter tolerances subject. Be authorized for the main ATX power source voltages to / -5 percent to differ in EPS, there are only 5 and -3 percent.

The values ??in parentheses indicate the optional values for close tolerance output voltages of a Dell Inspiron 5150 AC Adapter.

To meet the increased energy requirements, the specifications must always adapt to market needs and define requirements for higher-performance power supplies. Writes against the current EPS specification version 2.92 for a 950-W Dell Vostro 1500 AC Adapter currents listed in the table for the appropriate voltage lines. However, the peak currents may be removed from the Dell PA-10 AC Adapter only for a period of 12 seconds.

What is the ATX power supplies also have the power utility EPS server over a wide input voltage range. This is the 230 VAC mains voltage 180-264 VAC and 115 VAC at 90-140 VAC. The frequency must be within 47-63 Hz of the 50-Hz standard.

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