Engineering Guide CDA3000
2-31
2 Drive definition
DE
EN
1
2
3
4
5
6
7
A
Abbreviations used in Table 2.4
f Frequency
f
N
Rated frequency
f
G
Limit frequency in inverter operation
I Current, effective value
I
N
Rated current
M Torque
M
k
Breakdown torque
M
kN
Nominal breakdown torque
M
N
Nominal torque
n Speed
n
N
Nominal speed
P
cu1
Stator copper loss
P
cu2
Rotor copper loss
P
cu1, N
Nominal stator copper loss of fundamental
P
cu2, N
Nominal rotor copper loss of fundamental
P
Fe
Core loss
P
N
Rated power
P
2
Mechanical output
s Slip
U Voltage, effective value
Φ Magnetic flux
Achtung: Safe inverter operation can only be guaranteed when the
max. output frequency is not higher than the limit frequency
(f6).
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