Alstom Technology Limited

General Electric Technology Gmbh

Schneider Electric Energy UK Ltd.

Sankara Subramanian

Hengxu Ha

Simon Richards

Alan Wixon

Liu Cui

John Wright

There is provided a method of locating a fault in a power transmission scheme. The power transmission scheme includes power transmission sections and a first end connection point, a second end connection point, and at least one intermediate connection point. The method includes

Method of locating a fault in a power transmission scheme

A method of monitoring the grading margin between at least two time-current characteristics of Intelligent Electronic Devices (IED, IED) installed in an electrical power system, each Intelligent Electronic Device comprising a counting means, the grading margin comprising a safety margin set by a user, characterized in that it comprises, when a fault occurs which causes a fault current in the electrical power system, a step of providing a warning to the user when the safety margin is infringed upon.

Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices

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Stafford, United Kingdom

Sankara Subramanian