Petersenova cívka s regulátorem REG-DP

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Operating Instructions for the Petersen-Coil Regulator

Vydal: EBERLE Controls GmbH

Strana 121 z 272

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The resistor control goes into blocking mode. Default setting: s 0 Locking: If locking active (ON), the resistor prevented from switching again after the first au- tomatic residual current increase after the earth fault starts.1 Temperature behaviour the resistor (thermal image) The thermal model uses the value for Une estimate the temperature inside the resistor. 0 Active Activates the use the thermal image. When earth fault occurs, reduces the current the faulty section and increases the chance extinguishing the arc. The function for the binary input R_auto_on. Locking! An active block the Locking parameter displayed brackets the regulator's display. On the one hand, this increases the number possible manual switch-on procedures for the resistor for high impedance earth faults. The information about the blocked state can queried and reported through the BOF R_block.Page 121 Detailed description REG-DP/ REG-DPA parameters Applies when the previous parameter set ON It defines the time between the identification the earth fault and the disabling the re- sistor. The following settings for the used binary inputs and outputs can found under the menu item Commissioning.  Ex. On the other hand, protects the resistor from overheating and blocks the resistor control in the REG-DP/ REG-DPA. Locking prevents resistor from continuously trying switch when high impedance or restriking earth faults occur.3. If self-blocking set AUTO, the resistor control will automatically activated for the next earth fault after the cool-down period.: (R:10) 11. The algorithm determines when the resistor has cooled down enough start another switch-on procedure.3. Default setting: (active when resistor control active) . This considerably reduces the time the next possible resistor switch-on time because the resistor longer blocked during the whole cool-down period. The resistor control can reset automatic mode through binary input serial con- nection