
apfiff09 marine
VACON®
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7.19 Condition Based Monitoring
P2.19.1
Stator Winding Fault Mode
ID3540
This parameter can be set which of stages to be activated.
0
= No response
1
= Warning, warning levels S1 and S2 are used
2
= Fault + Warnings, warning S1, warning S2 and alarm/fault levels are used
7.19.1
Baseline Settings
P2.19.2.1 Baseline Start ID3501
Use this parameter to activate baseline run.
Baseline run is made before normal operation. Idea is to compare actual measurements
with measurements taken when the system was in healthy/normal condition. The
measurements from healthy condition is called “baseline”.
In this application measurements of the motor current and voltage unbalances for stator
winding is collected. The current unbalance is used in open loop and voltage unbalance
is used in closed loop and sensorless control. Other measurements are load and
vibration if vibration input is set.
The principle is to run the application through 10 frequency points including 10 steady
and 9 ramp states, collect the min, max, mean and standard deviation values and store
the statistical baseline data in arrays.
time
f
Base0
f
Base1
f
BaseN
...
Baseline Run Duration
Baseline Start
Normal ramps
Slow ramps
(Baseline MinFreq)
frequency
(Baseline MaxFreq)
P2.19.2.2 Baseline MinFreq
ID3502
Use this parameter to set frequency point where baseline run is started.
P2.19.2.3 Baseline MaxFreq
ID3503
Use this parameter to set frequency point where baseline run is ended.
P2.19.2.4 BaselineRun Duration ID3504
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