Hitachi SH1-900H

7-6
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.
■SH1-00175-H(SH1-055H)
Output Current
(A)
Carrier Frequency (kHz)
5
10
15
20
0 2 4 6 8 10 12 14 16 18
17.5A
16A
14.8A
13A
12A
9.6A
■SH1-00250-H(SH1-075H)
Output Current
(A)
Carrier Frequency (kHz)
5
10
15
20
25
30
0 2 4 6 8 10 12 14 16 18
VLD:25A
LD:22A
19A
14.7A
13A
9.5A
■SH1-00310-H(SH1-110H)
Output Current
(A)
Carrier Frequency (kHz)
10
15
20
25
30
35
0 2 4 6 8 10 12 14 16 18
VLD:31A
LD:29A
25A
18A
16A
11.3A
■SH1-00400-H(SH1-150H)
Output Current
(A)
Carrier Frequency (kHz)
15
20
25
30
35
40
45
0 2 4 6 8 10 12 14 16 18
40A
37A
32A
28.3A
26A
20.8A
50℃：ND rating (normal duty rating)
45℃：LD rating (low duty rating)
40℃：VLD rating (very 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.