Hitachi SH1-900H

7-10
Chapter 7
Specifications
7.4 Current derating(continue)
For using with carrier frequency over 2.1kHz, or when changing load ratings to LD/VLD, refer to current derating table as below.
■SH1-03410-H(SH1-1600H)
■SH1-03950-H(SH1-1850H)
■SH1-04460-H(SH1-2000H)
■SH1-04810-H(SH1-2200H)
LD:446A
ND:405A
320A
270A
Carrier Frequency (kHz)
Output Current
(A)
Output Current
(A)
Carrier Frequency (kHz)
200
250
300
350
400
450
0 2 4 6 8 10 12
218A
LD:395A
ND:370A
100
200
300
400
0 2 4 6 8 10 12
LD:341A
160A
ND:310A
Output Current
(A)
Carrier Frequency (kHz)
LD:481A
ND:450A
320A
270A
Carrier Frequency (kHz)
Output Current
(A)
50℃：ND rating (normal duty rating)
45℃：LD rating (low duty rating)
CAUTION
Please use the inverter within the current range in
accordance with the derating tables of respective
models. If you use the inverter exceeding the derating
range, note that the inverter may be damaged or its
lifespan may be shortened.