Journal of Modern Power Systems and Clean Energy

ISSN 2196-5625 CN 32-1884/TK

Reliable Phase Selection Method for Transmission Systems Based on Relative Angles Between Sequence Voltages
Author:
Affiliation:

1.Department of Electrical and Computer Engineering, University of Windsor, Windsor ON N9B 3P4, Canada;1.Electrical Power and Machines Department, Faculty of Engineering, Ain Shams University, Cairo 11566, Egypt;3.Electrical Engineering Department, Qatar University, Doha, Qatar

Fund Project:

This work was supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) (No. RGPIN-2023-0368) and Qatar University (No. QUCG-CENG-24/25-485). The findings achieved herein are solely the responsibility of the authors.

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    Abstract:

    Fault currents emanating from inverter-based resources (IBRs) are controlled to follow specific references to support the power grid during faults. However, these fault currents differ from the typical fault currents fed by synchronous generators, resulting in an improper operation of conventional phase selection methods (PSMs). In this paper, the relative angles between sequence voltages measured at the relay location are determined analytically in two stages a short-circuit analysis is performed at the fault location to determine the relative angles between sequence voltages; and an analysis of the impact of transmission line on the phase difference between the sequence voltages of relay and fault is conducted for different IBR controllers. Consequently, new PSM zones based on relative angles between sequence voltages are devised to facilitate accurate PSM regardless of the fault currents, resistances, or locations of IBR. Comprehensive time-domain simulations confirm the accuracy of the proposed PSM with different fault locations, resistances, types, and currents.

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History
  • Received:August 31,2023
  • Revised:January 10,2024
  • Adopted:
  • Online: September 25,2024
  • Published: