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6
DETAILED PARAMETER DESCRIPTION
P11- Calculation
example for
setting of current
limitation
I
N
of the switch = 170A
I
N
of the motor = 140A
I
LIM
=250% of the
I
N
of the motor
2.5x 140A =350A
P11=205% of the I
N
of the switch =2.5x I
N
of the motor.
2) Within the motor delta connection
To limit the current at 2.5 x I
N
of the motor:
1) Standard Connection
Figure 6.3 -
Current Limitation
of the switch = 120A
of the motor = 140A
2.05 x
I
N
of the switch
350A
I
N
of the switch =
350A
170A
=
I
LIM
=250% of the motor
2,5 x 140A = 350A
P11 = 168% of
of delta switch = 2,5 x
of the motor..
350A
delta switch
1,68 x of the switch
=
350A
207,8A
=
NOTE!
This function (P11) does not active when the voltage pulse is
enabled during the start (P41).
%I
N
%I
N
%U
N
