4.6 Article

A Novel Non-Iterative Fault Location Algorithm for Transmission Line With Unsynchronized Terminal

Journal

IEEE TRANSACTIONS ON POWER DELIVERY
Volume 36, Issue 3, Pages 1917-1920

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRD.2021.3054235

Keywords

Fault location; Synchronization; Matrix converters; Mathematical model; Voltage measurement; Impedance; Standards; Fault location; untransposed line; two-terminal tine and unsynchronized measurements

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The novel two-terminal fault location algorithm presented in this letter is non-iterative, does not require signal alignment, and is suitable for various line models, with simulation results on standard and practical data confirming its accuracy and validity.
This letter presents a novel non-iterative impedance based two-terminal fault location algorithm with unsynchronized terminals. The novelty of this method lies in the fact that it is non-iterative, does not require signal alignment, are independent of fault classification, suitable for both transposed and untransposed lines with distributed line model. Several results of simulations on standard and practical data of Power Grid Corporation of India Limited (PGCIL) are presented. The test results verifies the validity and accuracy of the developed fault location algorithm.

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