Intel ATX12V Benutzerhandbuch

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ATX12V Power Supply Design Guide 
Version 2.0 Final Review Copy 
40  
6.3.   Input Line Current Harmonic Content and Line Flicker  
For sales in EU (European Union) or Japan the power supply shall meet the requirements of 
EN61000-3-2 Class D and the Guidelines for the Suppression of Harmonics in Appliances 
and General Use Equipment Class D for harmonic line current content at full rated power.  
See Table 16 for the harmonic limits. 
 
Table 16.  Harmonic Limits, Class D Equipment 
 
Per:  EN 61000-3-2
 
 
Per: JEIDA MITI
 
Harmonic Order 
Maximum permissible Harmonic 
current at 230 VAC / 50 Hz in Amps 
 
Maximum permissible Harmonic 
current at 100VAC / 50 Hz in Amps 
 
Odd harmonics 
11 
13 
15
 n 
39 
2.3 
1.14 
0.77 
0.4 
0.33 
0.21 
0.15 x (15/n) 
 5.29 
2.622 
1.771 
0.92 
0.759 
0.483 
0.345 x (15/n) 
 
6.4.   Magnetic Leakage Fields 
A PFC choke magnetic leakage field should not cause any interference with a high-
resolution computer monitor placed next to or on top of the end-use chassis.