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3.2 Controller not configured
If a controller already integrated into a KBR compensation unit by default should be used,
only the parameters of the current transformer have to be configured.
1. Configuring current transformer values
For the compensation controller to function properly, all current transformer parameters
have to be set correctly. Primary and secondary current of the transformer have to be set.
These parameters can be read on the nameplate of the current transformer. In addition,
the phase allocation of the transformer has to be set correctly. In the controller, the phase
(L1, L2, L3) in which the current transformer is integrated has to be set.
You can find more detailed information on this topic in chapter Start-up under
Transformer settings submenu.
2. Function test
After all values have been programmed, a function test should be performed.
To do so, the controller has to be taken off the voltage supply for a few seconds.
After re-connecting it to the voltage supply, the controller has to start automatically. If
the cosφ voltage is read out in the cosφ act. menu immediately after switching it on, the
value for cosφ should be low and inductive. After approx.
180 seconds, the controller starts to switch on the individual capacitor stages.
The cosφ, which can be read out in the cosφ act. menu, should have risen compared to
previous values, or it should rise when switching on additional stages. If the compensati-
on unit is dimensioned correctly, the controller should compensate the set target cosine
after a certain period of time.
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