Untitled Document

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Untitled Document

Power / Load Impedance for 100V, 70.7V, 50V and 25V lines

by: John Vellone

 

  Load Impedance in Ohms
Power Watts 100V Line 70.7V Line 50V Line 25V Line
1 10,000 5,000 2,500 625
2 5,000 2,500 1,250 312.5
4 2,500 1,250 625 156.25
8 1,250 625 312.5 78.125
10 1,000 500 250 62.5
15 666.6 333.3 166.6 41.6
20 500 250 125 31.25
25 400 200 100 25
40 250 125 62.5 15.625
50 200 100 50 12.500
60 166.6 83.3 41.6 10.416
75 133.3 66.6 33.33 8.333
100 100 50 25 6.25
120 83 41.5 20.83 5.2083
150 66.68 33.33 16.66 4.1666
200 50 25 12.5 3.125
250 40 20 10 2.500
500 20 10 5 1.250
         
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