3-30
Engineering Guide CDA3000
3 Selection of inverter module
Typical voltage drops
Component
Typical voltage drop referred to the
respective mains voltage
Line choke with 4 % U
K
approx. 1%
Mains filter <0.1%
Inverter module
≈3%
Motor choke < 1%
Motor cable
l = Length of motor cable in [m]
I = Current in [A]
A = Cable cross-section in [mm
2
]
1)
Typical factor for inverter operation (1.73x0.9)
Table 3.21 Typical voltage drops
U =
56
m
.
A
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