2 - Fagor Automation

Drive modules
3.
DRIVE MODULES
Compact drives
188
DDS
HARDWARE
Ref.1307
154
50
40
30
20
10
0
I (Arms)
Imax
35 40 45 50 55
Tambient
°C (°F)
60
(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
Tª ambient Imax.
°C °F Arms
35 95 39.0
40 104 39.0
45 113 39.0
50 122 37.7
55 131 33.5
60 140 29.2
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.