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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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.3. When earth fault occurs, reduces the current the faulty section and increases the chance extinguishing the arc. Default setting: (active when resistor control active) . The function for the binary input R_auto_on. On the other hand, protects the resistor from overheating and blocks the resistor control in the REG-DP/ REG-DPA.  Ex. If self-blocking set AUTO, the resistor control will automatically activated for the next earth fault after the cool-down period.3. 0 Active Activates the use the thermal image. 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. 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. Locking! An active block the Locking parameter displayed brackets the regulator's display.1 Temperature behaviour the resistor (thermal image) The thermal model uses the value for Une estimate the temperature inside the resistor.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. The algorithm determines when the resistor has cooled down enough start another switch-on procedure. Locking prevents resistor from continuously trying switch when high impedance or restriking earth faults occur.: (R:10) 11. The resistor control goes into blocking mode