DC−bus operation
Rated data
General data
7
l
115
EDS700ACBA EN 5.1
7.4 Rated data
7.4.1 General data
The total current of the nominal input currents I
DC
to be provided by the power supply
module must be determined. If required, the DC cables must be dimensioned in
accordance with the total current.
Additional data
Input current DC−bus capacity Charging resistor
I
DC
at I
ar
[A] [mF] [W]
E70ACMxx0054xx1xxx 5.0 165 100
E70ACMxx0104xx1xxx 9.3 165 100
E70ACMxx0204xx1xxx 18.4 330 100
E70ACMxx0324xx1xxx 29.8 720 34
E70ACMxx0484xx1xxx 44.6 1080 34
E70ACMxx0644xx1xxx 59.5 1080 34
E70ACMxx0054xx2xxx 9.3 165 100
E70ACMxx0104xx2xxx 18.4 330 100
E70ACMxx0204xx2xxx 37.3 720 34
E70ACMxx0324xx2xxx 59.5 1080 34
Tab. 7−1
DCbus = DC bus
7.4.2 DC−supply power
The parameters relevant for the selection of a supply unit with a suitable supply power
(even in the overload range) are listed in the below table:
U
LN
Rated AC voltage
Cycle 1 Cycle for the second−range
Cycle 2 Cycle for the minute−range
P
DC 100%
Permanent power of DC−voltage level
P
ol
Power supply during overload time
t
ol
Overload time
P
re
Power supply during unloading time
t
re
Relief time
Any other cycles are calculated with the following formula:
(
P
ol
@ t
ol
)
)
(
P
re
@ t
re
)
t
ol
) t
re
v P
DC100%
Cycles other than the above cycles must not exceed the specified power and time values,
i.e. the values must be used as maximum values.
The values depend on the rated AC voltage U
Lr
.
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