Siemens SIMOVERT MASTERDRIVES Motion Control Betriebsanleitung Seite 192

Technical Data
Derating curves
Permissible rated current in %
100
75
50
25
0
0 2 4
Permissible rated current in %
100
90
80
70
60
0 1000
Installation altitude above sea level in m
Permissible rated current in %
100
75
50
25
0
0 10 20
Coolant temperature in °C
11-4
6 8 10
Pulse frequency in kHz
2000 3000 4000
30 40 50
Fig. 11-1 Derating curves
Permissible rated input voltage in %
acc. to VDE 0110 / IEC 664-1
(not necessary acc. to UL / CSA)
100
75
50
0 1000 2000
Installation altitude above sea level in m
<1>
The more favourable derating curve is only applicable
for units of sizes B to D at a rated input voltage
of 380 - 400 V
Altitude Derating
factor K
[m]
1000
2000 0.9
3000 0.845
4000 0.8
Temp Derating
[°C] factor K
50 0.76
0.879
45
40 1.0
1.125 *
35
1.25 *
30
1.375 *
25
6SE7087-6JD50
Operating Instructions SIMOVERT MASTERDRIVES
10.99
<1>
3000 4000
1
1.0
2
* See
following
note
Siemens AG