Intel SC5299WS User Manual
Power Sub-system
Intel
®
Entry Server Chassis SC5299-E TPS
Revision
3.1
Intel order number D37594-005
48
Duration
Sag
Operating AC
Voltage
Line Frequency
Loading
Performance Criteria
> 1 AC cycle
>10%
Nominal AC
Voltage ranges
Voltage ranges
50/60Hz
100%
Loss of function acceptable, self
recoverable
recoverable
Table 54. AC Line Surge Transient Performance
Duration
Surge
Operating AC Voltage
Line Frequency
Performance Criteria
Continuous
10%
Nominal AC Voltages
50/60Hz
No loss of function or performance
0 to ½ AC
cycle
cycle
30%
Mid-point of nominal AC
Voltages
Voltages
50/60Hz
No loss of function or performance
2.3.2.5
AC Line Fuse
The power supply has a single line fuse on the line (hot) wire of the AC input. The line fusing is
acceptable for all safety agency requirements. The input fuse is a slow blow type. AC inrush
current will not cause the AC line fuse to blow under any conditions. All protection circuits in the
power supply will not cause the AC fuse to blow unless a component in the power supply has
failed. This includes DC output load short conditions.
acceptable for all safety agency requirements. The input fuse is a slow blow type. AC inrush
current will not cause the AC line fuse to blow under any conditions. All protection circuits in the
power supply will not cause the AC fuse to blow unless a component in the power supply has
failed. This includes DC output load short conditions.
2.3.2.6
AC In-rush
AC line in-rush current does not exceed 55A peak for up to one-quarter of the AC cycle, after
which the input current is no more than the specified maximum input current. The peak in-rush
current is less than the ratings of its critical components (including input fuse, bulk rectifiers, and
surge limiting device).
which the input current is no more than the specified maximum input current. The peak in-rush
current is less than the ratings of its critical components (including input fuse, bulk rectifiers, and
surge limiting device).
The power supply meets the in-rush requirements for any rated AC voltage, during turn on at
any phase of AC voltage, during a single cycle AC dropout condition, as well as upon recovery
after AC dropout of any duration, and over the specified temperature range (T
any phase of AC voltage, during a single cycle AC dropout condition, as well as upon recovery
after AC dropout of any duration, and over the specified temperature range (T
op
).
2.3.2.7
Susceptibility Requirements
The power supply meets the following electrical immunity requirements when connected to a
cage with an external EMI filter that meets the criteria defined in the SSI document EPS Power
Supply Specification.
cage with an external EMI filter that meets the criteria defined in the SSI document EPS Power
Supply Specification.
Table 55. Performance Criteria
Level
Description
A
The apparatus shall continue to operate as intended. No degradation of performance.
B
The apparatus shall continue to operate as intended. No degradation of performance
beyond spec limits.
beyond spec limits.
C
Temporary loss of function is allowed provided the function is self-recoverable or can be
restored by the operation of the controls.
restored by the operation of the controls.