Derating Curve - Delta VFD-ED Series User Manual

8-5 Derating Curve

 To choose the right model for your applications, consider derating factors such as ambient
temperature, altitude, carrier frequency, and so on.
Ambient Temperature Derating Curve
105
100
95
90
85
80
75
70
30
The rated output current derating (%) for different ambient temperature:
Ambient Temp.(°C)
Model
2.2~4 kW
5.5~30 kW
37~75 kW
Derating for Ambient Temperature
35 40
Ambient Temperature (°C)
2.2~4 kW 5.5~30 kW
Figure 8-1
30 35
100 100
100 100
100 100
8-5
Chapter 8 Specifications | VFD-ED
45
37~75 kW
40 45
100 89
100 87
100 90
50
50
78
75
80
Table 8-5