6
05.01
6.3 Technical data
6-174
Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
The following rule of thumb is valid:
1
T
T
0
P
(t)
P
n
2
dt < 1.03;
P
n
< P
(
)
P
max
;
Ů [0, T ]
The following applies for load duty cycles with
a period duration T 10 s:
1
T
T
0
P
(t)
P
n
2
dt < 0.90;
The following applies for load duty cycles with
a period duration 10 s < T 1 min:
1
T
T
0
P
(t)
P
n
2
dt < 0.89;
The following applies for load duty cycles with
a period duration 1 min < T 10 min:
P
(t)
= the power presently drawn
P
n
< P
(
)
P
max
;
Ů [0, T ]
P
n
< P
(
)
P
max
;
Ů [0, T ]
All of the specified outputs are valid up to 1000 m above sea level. For an
installation altitude > 1000 m, the specified outputs should be reduced
according to the diagrams below. For installation altitudes > 2000 m
1)
an
isolating transformer must be used.
100 %
0
1000
2000
Installation altitude (m)
80 %
60 %
40 %
20 %
0 %
3000 4000 5000
X
H
P
n
height
= x
H
P
n1000
m
/100 %
P
n
height
= x
H
P
s61000
m
/100 %
P
max
height
= x
H
P
max1000
m
/100 %
Fig. 6-6 De–rating depends on the installation altitude
Caution: P
n
, P
s6
and P
max
must be de–rated in the same way.
Note
For the UI module, it must be observed that the braking energy applied to the
braking resistor does not exceed the rating of the pulsed resistor.
A defect does not occur, the resistor is switched–out when an overload condi-
tion develops.
The unit goes into a fault condition with the ”DC link overvoltage” fault.
De–rating
dependent on
the installation
altitude
6 Infeed Modules
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