Petersenova cívka s regulátorem REG-DP

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Operating Instructions for the Petersen-Coil Regulator

Vydal: EBERLE Controls GmbH

Strana 118 z 272

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The connection will also established the event manual triggering even earth fault did not occur. If the resistor's connection triggered manually through binary input the serial SCADA connection, the connection will established after the switch-on delay has lapsed. full impulse sequence can only run once the resistor has cooled down sufficiently. Zero sequence voltage Uo Earth fault signalisation Resistor’s connection Switch-on delay Switch-on time Transient earth fault time t Repeat time Repeat delay X number cycle repeats Figure 84: Time lapse the resistor control; Standard without transient suppression Zero sequence voltage Uo Earth fault signalisation Resistor’s connection Switch-on delay Switch-on time Transient earth fault time t Repeat time Repeat delay X number cycle repeats Figure 85: Time lapse the resistor control; Standard with transient suppression The resistor's connection can also triggered through binary input serial connection to the SCADA system. the resistor risks overheating, the REG-DP/ REG-DPA will prevent from switching on. .Page 118 Detailed description REG-DP/ REG-DPA parameters We take care it. The thermal overheating the resistor reported. Monitoring the resistor's rise temperature through thermal model means that the re- sistor can tested before switched again determine whether its limit temperature has been exceeded