Petersenova cívka s regulátorem REG-DP

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Operating Instructions for the Petersen-Coil Regulator

Vydal: EBERLE Controls GmbH

Strana 113 z 272

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0 Umin_Threshold Zero sequence voltages that are smaller than this limit value are interpreted measure- ment noise. long the zero sequence voltage smaller than the set Umin threshold during the search, the P-coil's whole adjustment range searched for position which . this case, the regulator adjusts the coil the undercompensation range until the Umax_End threshold condition has been reached.: the coil close the upper end switch, might not possible reach the value of Umax_End threshold with overcompensation (end switch kicks earlier).0 A Priority Limit values 1 Umax 2 Self-extinguishing current limit 3 Umax_End 4 Target detuning (v) Based the above priorities, the regulator searches for tuning point without exceeding theses predefined limit values the 'tuning position'. Detuning could otherwise take very big values. Ex. A value disables the self-extinguishing current limit function Default setting: 0. 0 Self-extinguishing current limit Moving the coil value lower than Umax_End threshold must limited.Page 113 Detailed description REG-DP/ REG-DPA parameters 0 Umax_End hysteresis Une Umax_End hysteresis Umax_End threshold During tuning, the coil moved until this value has been reached for Une (below the Umax_End threshold) A new search started when the Umax_End threshold has been exceeded. This why smaller tolerance (compared with the default value Une_Tolerance) can set for search trigger. one the limit values exceeded in the tuning position, for example, the maximum continuous zero sequence voltage (priori- ty 3), the regulator will search for new tuning position, whereby the target detuning can no longer respected (priority ). 0 Umax_End Priority Default value: No If the function enabled, the value Umax_End must respected