Hitachi SH1-900H

7-8
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.
■SH1-01160-H(SH1-450H)
■SH1-01470-H(SH1-550H)
■SH1-01760-H(SH1-750H)
■SH1-02130-H(SH1-900H)
40
50
60
70
80
90
100
110
120
0 2 4 6 8 10 12 14 16 18
Output Current
(A)
Carrier Frequency (kHz)
116A
105A
90A
50A
40
50
60
70
80
90
100
110
120
130
140
150
160
0 2 4 6 8 10 12 14 16 18
Output Current
(A)
(A)
Carrier Frequency (kHz)
147A
135A
112A
52A
Output Current
(A)
Carrier Frequency (kHz)
VLD:176A
LD:160A
150A
73.4A
Output Current
(A)
Carrier Frequency (kHz)
VLD: 213A
LD: 195A
180A
78A
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.