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Intel SR1640TH SR1640THNA Manuale Utente

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Intel® Server System SR1640TH TPS 
Power Sub-System 
Revision 1.0 
 
 
63 
Intel order number: E94847-001 
3.4.2 
Input current 
The maximum input current shall be 15A for each input voltage range as in below table. 
Table 55. Maximum input current 
Input voltage 
Input current 
Max power 
100-132 VAC 
8 A 
450 Watts 
180-264 VAC 
4 A 
450 Watts 
 
3.4.3 
Input current harmonics 
The input current drawn on the power line shall not exceed the limits set by IEC-61000-3-2 
and JEIDA MIT1 standards. 
 
3.4.4 
AC Line Transient Specification 
AC line transient conditions are defined as “sag” and “surge” conditions. Sag conditions are 
also commonly referred to as a “brown-out”. These conditions are defined as the AC line 
voltage dropping below nominal voltage conditions. Surge refers to conditions when the AC 
line voltage rises above nominal voltage. 
The power supply meets the requirements under the following AC line sag and surge 
conditions. 
Table 56. AC Line Sag Transient Performance 
AC Line Sag  
Duration 
Sag 
Operating AC Voltage 
Line Frequency 
Performance Criteria 
Continuous 
10% 
Nominal AC Voltage 
ranges 
50/60 Hz 
No loss of function or performance 
0 to 1 AC 
cycle 
100% 
Nominal AC Voltage 
ranges 
60 Hz 
Loss of function acceptable, self 
recoverable 
> 1 AC cycle 
>10% 
Nominal AC Voltage 
ranges 
50/60 Hz 
Loss of function acceptable, self 
recoverable 
0 to 1/2 AC 
cycle 
30% 
Mid-point of Nominal AC 
Voltage 
50/60 Hz 
Loss of function acceptable, self 
recoverable 
 
Table 57. AC Line Surge Transient Performance 
AC Line Surge  
Duration 
Surge 
Operating AC Voltage 
Line Frequency 
Performance Criteria 
Continuous 
10% 
Nominal AC Voltages 
50/60 Hz 
No loss of function or performance 
0 to ½ AC 
cycle 
30% 
Mid-point of nominal AC 
Voltages 
50/60 Hz 
No loss of function or performance 
 
3.4.5 
Susceptibility Requirements 
The power supply meets the following electrical immunity requirements:  
Table 58. 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. 
C 
Temporary loss of function is allowed provided the function is self-recoverable or can be 
restored by the operation of the controls.