Fault-Current Limiters

Authored by: Tabea Arndt

Handbook of Superconductivity

Print publication date:  July  2022
Online publication date:  July  2022

Print ISBN: 9781439817360
eBook ISBN: 9781003139638
Adobe ISBN:

10.1201/9781003139638-35

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Abstract

Fault currents are transient currents that flow through an electric power system when a short-circuit occurs. The majority of the ‘sustained’ faults typically occur on a three-phase system with one of the phases having a short-circuit to ground. Since most power networks are fed by relatively constant voltage sources through inductive circuits having a low impedance, fault currents exceed normal load currents by more than an order of magnitude.

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