Hitachi CONVENTION 14 Welding System User Manual


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Derating curves, continued…
30%
40%
50%
60%
70%
80%
90%
100%
2
4 6 8 10 12
X200-040HFEF/HFU
% of rated
output current
Carrier frequency
kHz
118
30%
40%
50%
60%
70%
80%
90%
100%
2
4 6 8 10 12
X200-055HFEF/HFU
% of rated
output current
Carrier frequency
kHz
30%
40%
50%
60%
70%
80%
90%
100%
2
4 6 8 10 12
X200-075HFEF/HFU
% of rated
output current
Carrier frequency
kHz
1 18
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