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Engineering Guide CDA3000
3 Selection of inverter module
Software function: “Device capacity utilization”
To enable the calculation to be checked, the inverter module provides a
peak current value storage facility for checking of the drive dimensioning
as a standard feature in the “Device capacity utilization” software function.
When the values have been read they can be reset.
(1) Acceleration (max. acceleration current in parameter I
MAXBE
)
(2) Stationary operation (max. current in stationary operation in parameter
I
MAXST
)
(3) Braking (max. braking current in parameter I
MAXBR
)
Figure 3.28 Peak current value storage for checking of drive dimensioning
The peak current value memory continuously stores the absolute peak
values in the acceleration, stationary operation and braking phases. The
mean device capacity utilization can also be ascertained.
F/Hz
t/s
t/s
I
MAXBE
I
MAXST
I
MAXBR
(1)
(2)
(3)
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