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Neutral grounding reactors

Neutral grounding reactors are used for low-impedance grounding of the neutral point of three-phase networks in order to limit the fault current in the event of a phase-to-ground short-circuit (fault current will be limited to the level of the phase-to-phase short-circuit current). One reactor terminal is connected to the neutral of the network and the other terminal is grounded. During normal operation of the power system the current flow through the reactor is almost zero, since it is only driven by the imbalance of the three-phase network.

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