2 - Fagor Automation

Drive modules
3.
DRIVE MODULES
Compact drives
188
DDS
HARDWARE
Ref.1209
154
I (Arms)
50
40
30
20
In
10
0
35 40 45 50 55 60
Tambient
°C (°F)
(95) (104) (113) (122) (131) (140)
F. H3/107
Current derating on "SCD 2.75" drives for fc = 8 kHz.
Power derating
SCD 2.75
T ambient In
°C °F Arms
35 95 30.0
40 104 30.0
45 113 30.0
50 122 28.9
55 131 25.7
60 140 22.5
The following graph shows the variation suffered by the output rated power
of the compact drive (for all its models) depending on the installation altitude
over sea level.
1.2
1.0
0.8
0.6
0.4
Multiplying factor
(non-dimensional)
0.2
0.0
0 1000 2000 3000 4000
Altitude (m)
5000
Output rated power ratio
Altitude Factor
meters non-dimensional
0 1.00
1000 1.00
2000 0.82
3000 0.71
4000 0.65
5000 0.62
F. H3/108
Derating of rated output power depending on the above-sea-level altitude
of the installation.