the P-coil not reconnected the grid after the switch, there will not be
enough zero sequence voltage for the regulation and the regulator will display message.
Default setting: min
Figure shows the combination and description the above-mentioned parameters.
This frequently caused the transformer P-coil being temporarily switched off during
grid switching.2%
Parameter end position (at Umin)
In order calculate and estimate the resonance curve, least one measurement point
must bigger than the set Umin threshold. valid estimate cannot made, the P-coil
is adjusted waiting position based the parameterization.
the zero sequence voltage Une Umin. This waiting position can
be:
0 Standby position or
0 Tuning point
(resonance point including the compensation that was set the last calculation)
Default setting: Tuning point
A new search process starts if
0 the zero sequence voltage Une leaves the tolerance range or
0 the regulator set perform cyclical control the resonance point. search not start-
ed within this time, the message 'Une Umin' triggered.Page 114 Detailed description REG-DP/ REG-DPA parameters
We take care it.
Default setting: 0. Only then are the measured data accepted for the
determination the resonance curve.
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Parameter Message delay (at Umin)
The message delay parameter sets the delay for the Umin message
