—————— Instruction manual ——————
175
T current ref
Total current reference as a percentage of
Full load curr
. For this parameter the
TPD32-EV...4B... converters need a positive value. In this case the negative references
are processed and correspond to a zero reference.
Mot cur threshld
When the motor current exceeds the Full Load Current percentage threshold, this condi
-
tion is signalled via a digital output.
Mot cur th delay
The
Mot cur th delay
parameter can be used to set the delay after which the current
within limit condition is signalled..
dI/dt delta time
This parameter is used to change the time (and thus the ramp gradient) within which
the value of
T current ref
(parameter 41) changes from 0 to 100%.
T current ref [%]
t [ms]
100
dI/dt delta time
Arm resistance
Motor armature resistance in
W
. When self-tuning cycle is performed via
R&L Search
this parameter is set to the obtained value. Therefore, if necessary, it can be changed.
Arm inductance
Motor armature inductance in mH. When self-tuning cycle is performed via
R&L
Search
this parameter is set to the obtained value. Therefore, if necessary, it can be changed.
Parameter
N.
Value max
sizes 185 ... 1050 A
sizes > 1050 A
Arm inductance [mH]
454
50 mH
30 mH
E int
Auxiliary signal used to determine whether the current regulator is correctly tuned. Its
value should be close to zero, but values dynamically changing between -40 and 40 are
accettable.
The drive must have at least 30% load for this reading to be considered as a valid per
-
formance measurement (see chapter 5.3.5.1.1 for more detail setting) .
R&L Search
Execution of self-tuning for the current regulator. The identified values for resistance and
inductance armature are set to the
Arm resistance
and
Arm inductance
parameters.
Zero torque
The parameter can be used to set the reference value for the armature current
T cur-
rent ref
to zero so that the drive has no more torque.
Not active (H)
T current
ref
not set to zero
Active (L)
T current ref
set to zero. The drive has no torque.
Содержание TPD32-EV-...-2B
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