3-78
Engineering Guide CDA3000
3 Selection of inverter module
The choice of maximum frequency has a major influence on the accelera-
tion power.
The acceleration power rises with the square of the speed increase (e.g.
caused by the choice of max. 87 Hz instead of 50 Hz).
J
M
Moment of inertia of the motor (rotor) in [kgm]
t
BE
Acceleration time in [s]
P
MBE
Motor acceleration power in [W]
P
MBE
J
M
n
2
⋅
91 2, t
BE
⋅
----------------------=
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