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A precise PMU based fault location method for multi terminal transmission line using voltage and current measurement

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4 Author(s)

This paper presents a fault location algorithm for single phase to ground faults on three terminal transmission lines. The conventional fault location methods, using one-terminal ac voltage and current are not applicable to the multi-terminal systems. So, the indication of the faulted section and fault distance estimation is performed by using three-phase current and voltage of the terminal at which a fault locator is installed. The delivered fault-location algorithm consists of three subroutines designated for three types of fault. A MATLAB-SIMULINK simulator is used to demonstrate the performance of the proposed fault locator. The result of simulation verifies the high accuracy of fault location with various fault resistances and locations.

Published in:

Environment and Electrical Engineering (EEEIC), 2011 10th International Conference on

Date of Conference:

8-11 May 2011