Differentialschutz einer Übertragungsleitung

Details

Veröffentlichungs-Nr.

EP4752581

Anmeldetag

7. Januar 2020

Veröffentlichung

3. Juni 2026

Rechtsraum

EP

IPC

G01R31/52

Abstract

There is provided mechanisms for differential protection of a transmission line of a transmission system. A method comprises obtaining a restraining current and a differential current from the transmission line. The method comprises determining a compensation current for the differential current. The method comprises providing the differential current as compensated for by the compensation current and the restraining current to a differential protection arrangement for making a trip decision. The method comprises detecting an internal fault for the transmission system. The method comprises, as a result thereof, providing the differential current without being compensated for by the compensation current and the restraining current to the differential protection arrangement for making the trip decision.

Anmelder

Firma

Hitachi Energy Ltd

Land

🇨🇭 Schweiz