1
05.01
1.3 Engineering a drive
1-36
©
Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
1.3.4
Calculation of the DC link power (engineering sheet)
I
0
(PM)
[A]
n
N
[RPM]
Speed
ratio
Axis
name
Order No. of the motor
M
0
[Nm]
I
N
[A]
P
calcFD
[kW]
n/n
N
P
calcFD
[kW]
n/n
N
Range I for P
calc FD
from 0...1.8 kW
1
2
3
4
5
6
Sum, range I
Range II for P
calc FD
from 1.8...8.8 kW
1
2
3
4
5
6
Sum, range II
Range III for P
calc FD
from 8.8...27 kW
1
2
3
4
5
6
Sum, range III
Sum, range I
x
=
+
K
I
Sum, range II
x
=
K
II
Sum, range III
x
=
K
II
+
x 1.1 =
kW
DC link power
P
VSA DC link
kW
DC link power
P
ZK FD
kW
DC link power
P
ZK
+
=
n/n
N
Application
scenario
Feed drives
0.4 to 0.7
Robot drives
0.9 to 1
Robot drives
with 1FT
1
Coincidence
factor k per range
Feed axes
per range
1
1
2
0.63
3
4
0.5
0.38
5
6
0.33
0.28
Fig. 1-6
Engineering sheet to calculate the DC link power PzK
1 Overview of the Drive System
10.04