Petersenova cívka s regulátorem REG-DP

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Operating Instructions for the Petersen-Coil Regulator

Vydal: EBERLE Controls GmbH

Strana 106 z 272

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new search process always started the end - earth fault even the earth fault time smaller than the set transient earth fault time TEW. Default settings: 7s TEW 7s . If the regulator searching for new resonance point when the earth fault occurs, the search immediately aborted.Page 106 Detailed description REG-DP/ REG-DPA parameters We take care it. ensure that the P- coil set the right value, search started even the zero sequence voltage has returned its initial value. – terd TEW If the earth fault lasts longer than the transient earth fault time, might neces- sary switch off the lines order solve the earth fault. In terms the duration the earth fault the following applies: – terd TEW If the regulator was tuned when the earth fault occurred and the zero sequence voltage returned its initial value within the transient earth fault time, as- sumed that the P-coil successfully extinguished the arc. The P-coil does not have readjusted. This probably happened without adjusting the P-coil and without switching off the line sections