105%
Q = (I/IT)
2
x (1-e
-t/T
)
I/I
T
Trip area
Motor temperature
Time
Motor temperature
Time cons tantT*)
*)
Changes by motor size and
adjusted with parameter
Fault/w arning
activation point,
if selected w ith
par.
Motor
current
. 10
13
.7
13
130
•
vacon
parameter descriptions
9
Figure 9.18: Motor temperature calculation
P13.11 STALL CURRENT
The current can be set to 0.0…
2xI
Nunit
.For a stall stage to occur, the current
must have exceeded this limit. If parameter P1.7 Motor current limit is
changed, this parameter is automatically calculated to 90% of the current lim-
it. See Figure 9.19.
NOTE
! In order to guarantee desired operation, this limit must be set below
the current limit.
f
I
Par. P3.9.12
Par. P3.9.14
100K34.fh11
Stall area
Figure 9.19: Stall current
Содержание 20
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