Importance of the neutral system
Plan de protection des réseaux de distribution publique à moyenne tension

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Importance of the neutral system
Plan de protection des réseaux de distribution publique à moyenne tension

Author : Michel ODDI

Review date: December 29, 2022 | Lire en français

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4. Importance of the neutral system

4.1 General

Ground faults cause :

  • rise in earth potential at the fault location (see § 4.2 );

  • cuts by users at the time of disposal.

In the first case, the risks relate to the protection of goods and people, while in the second, the quality of supply is at stake.

When you consider that around 80% of all faults on MV networks are earth faults, and that the type of fault depends largely on how the network's neutral is earthed,...

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