10.57647/j.mjee.2024.180344

Robust Kalman Filtering technique and adaptive changeof impedance-based power swing and fault detectionscheme

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  • Pankaj H. Vasava1,
  • Dharmesh D. Patel*2,
  • Nilesh Chothani3,
  • Sanjay Joshi4,
  1. Gujarat Technological University, Ahmedabad, India
  2. Government Engineering College, Bharuch, India
  3. SoET, Pandit Deendayal Energy University, Gandhinagar, Gujarat, India
  4. Government Engineering College, Surat, India
Robust Kalman Filtering technique and adaptive change of impedance-based power swing and fault detection scheme

Received: 2024-03-23

Revised: 2024-04-11

Accepted: 2024-06-07

Published in Issue 2024-09-03

Copyright (c) 2024 @Authors

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Vasava, P. H., Patel, D. D., Chothani, N., & Joshi, S. (2024). Robust Kalman Filtering technique and adaptive changeof impedance-based power swing and fault detectionscheme. Majlesi Journal of Electrical Engineering, 18(3), 1-11. https://doi.org/10.57647/j.mjee.2024.180344
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Abstract

With the incorporation of the various DG sources in the power system, numerous changes appear and have serious effects on the protective scheme. Knowledge of the effect of these energy sources on the dynamics of the power system is utmost necessary. Also, the performance of the protection system under these circumferences needs to be analyzed. Under the penetration of Renewable Energy, it is desired to develop a new technique that can identify the Power Swing conditions and Fault conditions. It is also required to discriminate between stable or balanced power swing and unstable or unbalanced power swing conditions as an unstable swing may result in cascading of the system. Sometimes, the impedance trajectory falls into the tripping zone of the Mho relay used for line protection during stable swing conditions. This situation is unnecessary in terms of the system having a chance to return to its normal state. Hence, in such a situation, it is necessary to identify the proper system conditions and prevent the mal operations of protective devices. The technique suggested here can also able to differentiate between Stable Power Swings and Unstable Power Swing, the latter sometimes leads to maloperation of the system. The Suggested method uses Kalman Filtering due to its adaptability to deal with noisy data, which makes it a valuable and robust tool in the Power System. Considering the rate of change of impedance in real-time, the scheme can correctly identify the stable, unstable power swing and fault situations.

Keywords

  • Transmission Line,
  • Protective relaying,
  • Kalman filtering,
  • Power swing,
  • Faults,
  • Impedance calculation
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