Hitachi SJ100 Series

4. Ambient Condition of the Frequency Inverter
4-1. Required Derating in case of 50deg, 55deg of Ambient Temperature
Inverter ratings can be influenced by many factors. You can find in this section, the relation between
ambient temperature and output current (%) and carrier frequency.
Standard ratings in 40 degree C
Top cover removed condition in 50 degree C max.
Top cover removed condition in 55 degree C max.
% rate of output
current
SJ100-002NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
% rate of output
current
SJ100-004NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
SJ100-015NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
16
SJ100-007NFE(U)
100%
90%
80%
70%
14121086420.5
Carrier frequency [kHz]
4-1