Hitachi L100 Series Service Manual

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
L100-002NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
% rate of output
current
L100-004NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
L100-015NFE(U)
100%
90%
80%
70%
1614121086420.5
Carrier frequency [kHz]
16
L100-007NFE(U)
100%
90%
80%
70%
14121086420.5
Carrier frequency [kHz]
4-1

Hitachi L100 Series Specifications

General

Brand	Hitachi
Model	L100 Series
Category	Inverter
Language	English