Journal of Modern Power Systems and Clean Energy

ISSN 2196-5625 CN 32-1884/TK

An Adaptive Data-driven Method Based on Fuzzy Logic for Determining Power System Voltage Status

1.SMGRC, University of Kurdistan, Sanandaj, Iran;2.Power Systems Modeling & Simulation Lab, Department of Electrical Engineering, University of Kurdistan, Kurdistan, Sanandaj 66177-15175, Iran

Fund Project:

This work was supported in part by Smart/Micro Grids Research Center (SMGRC), University of Kurdistan.

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    This paper proposes an adaptive method based on fuzzy logic that utilizes data from phasor measurement units (PMUs) to assess and classify generating-side voltage trajectories. The voltage variable and its associated derivatives are used as the input variables of a fuzzy-logic block. In addition, the voltage trajectory is compared with the pre-selected pilot-bus voltage to make a reliable decision about the voltage operational state. Different types of short-term voltage dynamics are considered in the proposed method. The fuzzy membership functions are determined using a systematic method that considers the current situation of the voltage trajectory. Finally, the voltage status is categorized into four classes to determine appropriate remedial actions. The proposed method is validated on a IEEE 73-bus power system in a MATLAB environment.

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  • Received:May 18,2023
  • Revised:August 05,2023
  • Adopted:
  • Online: May 20,2024
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