Description of the Software Modules and Parameters
Parameter manual
b maXX
BM3000
Document no.: 5.12001.07
657
4
Features
m
Maximum frequency: double nominal frequency
m
Minimum frequency: is limited by load inertia and actual remaining flux
m
High DC link voltage (> 560 V) and a low stator resistance can lead to wrong detection
of motor operation conditions
Adjustment aid
m
For a successful catch on fly of the motor, the exact knowledge of the motor parame-
ters is inevitable, especially deadtime compensation as well as rotor and stator resis-
tance. Make sure, that all steps described in chapter
655 have been completed during commissioning.
m
If a DC link overvoltage error occurs during catch operation, parameterize
Catch demagnetization time
m
If a overcurrent error occurs during catch operation, parameterize
magnetization time
m
During catch operation, the actual speed value
settles to the actual rotor
speed. Overshoots of over 30% might occur. Take this into account to parameterize
the overspeed limits.
Required parameters
m
Catch enable
4.8.11.3 Parameter overview
Functional block:
FbMagn [160]
Functional block:
FbSzl [161]
Functional block:
FbFluxEstimatorOL [163]
Functional block:
FbCatchOL [167]
Number
Name
Type
Min
Max
Default Value
Unit
Factor
R
ead o
n
ly
St
o
ra
g
e
D
S
Su
pp
ort
C
yclic W
rite
160.1
Magnetization time
UDINT
0
5000
200
ms
1:1
X
161.1
Minimum speed threshold
OL
UDINT
0
1800
180
Grad/s 1:1
X
X
161.2
Minimum speed delay OL
UDINT
0
10000
1000
ms
1:1
X
X
163.1
Flux estimator gain
FLOAT
50.00
1000.00
250.00
1:1
X
X
167.1
Catch enable
UDINT
0
1
0
1:1
X
167.2
Catch flux estimator gain
FLOAT
1.0
1000.00
25.00
1:1
X
167.3
Catch demagnetization time
UINT
0
4000
0
ms
1:1
X