Siemens SIMODRIVE 611 digital - Calculation of the DC Link Power (Engineering Sheet)

1
05.01
1.3 Engineering a drive
1-34
© Siemens AG 2008 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 05/2008 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
11
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 S
y
stem 10.04
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