Petersenova cívka s regulátorem REG-DP

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Operating Instructions for the Petersen-Coil Regulator

Vydal: EBERLE Controls GmbH

Strana 22 z 272

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1 1 ( ) U U ne U O C L Y Y U U Y Y     (1.14) Where: U Y C   Unbalance the faulty section 3 W P Y G  Watt-metric component YO 3 C B C   Capacitive component YO 1 L P B L   Inductive component YO U1N Yu BC UEN UNE BL YW IF UNE Figure Single-phase equivalent circuit for single-pole unbalance The equivalent circuit for equation (1. This why the current more less constant across the faulty section.2.2 The natural, capacitive unbalance healthy grid In this case, the conductance the earth negligible compared with the capacitive un- balance the whole grid.14) displayed Figure This circuit valid for low-impedance single pole faults well grids with natural capacitive unbalance under the abovementioned assumptions. The next two sections discuss the dependence UNE and based the coil position. (see also Figure ) Figure The absolute value the zero sequence voltage UNE based the coil position Ip- os .Page Applications We take care it. 6