Hitachi SH1-900H

7-7
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.
■SH1-00470-H(SH1-185H)
■SH1-00620-H(SH1-220H)
■SH1-00770-H(SH1-300H)
■SH1-00930-H(SH1-370H)
Output Current
(A)
Carrier Frequency (kHz)
15
20
25
30
35
40
45
50
0 2 4 6 8 10 12 14 16 18
47A
43A
39A
32.7A
28A
20A
Output Current
(A)
Carrier Frequency (kHz)
15
20
25
30
35
40
45
50
55
60
65
0 2 4 6 8 10 12 14 16 18
VLD:62A
LD:57A
48A
34A
29A
20A
20
30
40
50
60
70
80
0 2 4 6 8 10 12 14 16 18
Output Current
(A)
Carrier Frequency (kHz)
77A
70A
61A
30.5A
40
50
60
70
80
90
100
0 2 4 6 8 10 12 14 16 18
Output Current
(A)
Carrier Frequency (kHz)
93A
85A
75A
43A
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.