ABB ACQ580-07, Hardware Manual

Page: 205 / 324

Coeffficient Frame
4000 m
13123 ft 3000 m
9842 ft 2000 m
6562 1000 m
3281 ft
0.70 0.80 0.90 1.00 R9
0.70 0.80 0.90 1.00 R10
0.70 0.80 0.90 1.00 R11
If ambient temperature is below +40 °C (+104 .°F), the derating can be reduced by 1.5%
for every 1 °C reduction in temperature. Curves with derating factors from 1.00 to 0.80
are shown below. For a more accurate derating, use the DriveSize PC tool. A few altitude
derating curves are shown below.
Installation site altitude
1500 m
1000 m
+25 °C +30 °C
+77 °F +86 °F
+40 °C
+104 °F
+35 °C
+95 °F
+20 °C
+68 °F
3300 ft
4921 ft
2000 m
6562 ft
2500 m
8202 ft
3000 m
9842 ft
3500 m
11429 ft
4000 m
13123 ft
1.00
0.95
0.85
0.90
0.80
Ambient temperature
￭
Deratings for special settings in the drive control program
If you change the minimum switching frequency with parameter 97.02 Minimum switching
frequency , multiply the output current given in Ratings (page 197) by the coefficient value
given in this table.
8 kHz 4kHz 2 kHz 1.5 kHz Frame
size
0.66 0.84 0.97 1.00 R6
Technical data 201