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A Detailed Testing Procedure of Numerical Differential Protection Relay for EHV Auto Transformer

Author

Listed:
  • Umer Ehsan

    (Department of Electrical and Computer Engineering, Lahore Campus, COMSATS University Islamabad, Islamabad 54000, Pakistan
    National Transmission and Despatch Company Limited, Lahore 54000, Pakistan)

  • Muhammad Jawad

    (Department of Electrical and Computer Engineering, Lahore Campus, COMSATS University Islamabad, Islamabad 54000, Pakistan)

  • Umar Javed

    (Department of Electrical and Computer Engineering, Lahore Campus, COMSATS University Islamabad, Islamabad 54000, Pakistan
    Riphah College of Science and Technology, Lahore Campus, Riphah International University, Islamabad 54000, Pakistan)

  • Khurram Shabih Zaidi

    (Department of Electrical and Computer Engineering, Lahore Campus, COMSATS University Islamabad, Islamabad 54000, Pakistan)

  • Ateeq Ur Rehman

    (Department of Electrical Engineering, Government College University, Lahore 54000, Pakistan)

  • Anton Rassõlkin

    (Department of Electrical Power Engineering & Mechatronics, Tallinn University of Technology, 12616 Tallinn, Estonia)

  • Maha M. Althobaiti

    (Department of Computer Science, College of Computing and Information technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia)

  • Habib Hamam

    (Faculty of Engineering, Uni de Moncton, Moncton, NB E1A 3E9, Canada
    Spectrum of Knowledge Production & Skills Development, Sfax 3027, Tunisia
    Department of Electrical and Electronic Engineering Science, School of Electrical Engineering, University of Johannesburg, Johannesburg 2006, South Africa)

  • Muhammad Shafiq

    (Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 38541, Korea)

Abstract

In power systems, the programmable numerical differential relays are widely used for the protection of generators, bus bars, transformers, shunt reactors, and transmission lines. Retrofitting of relays is the need of the hour because lack of proper testing techniques and misunderstanding of vital procedures may result in under performance of the overall protection system. Lack of relay’s proper testing provokes an unpredictability in its behavior, that may prompt tripping of a healthy power system. Therefore, the main contribution of the paper is to prepare a step-by-step comprehensive procedural guideline for practical implementation of relay testing procedures and a detailed insight analysis of relay’s settings for the protection of an Extra High Voltage (EHV) auto transformer. The experimental results are scrutinized to document a detailed theoretical and technical analysis. Moreover, the paper also covers shortcomings of existing literature by documenting specialized literature that covers all aspects of protection relays, i.e., from basics of electromechanical domain to the technicalities of the numerical differential relay covering its detailed testing from different reputed manufacturers. A secondary injection relay test set is used for detailed testing of differential relay under test, and the S1 Agile software is used for protection relay settings, configuration modification, and detailed analysis.

Suggested Citation

  • Umer Ehsan & Muhammad Jawad & Umar Javed & Khurram Shabih Zaidi & Ateeq Ur Rehman & Anton Rassõlkin & Maha M. Althobaiti & Habib Hamam & Muhammad Shafiq, 2021. "A Detailed Testing Procedure of Numerical Differential Protection Relay for EHV Auto Transformer," Energies, MDPI, vol. 14(24), pages 1-21, December.
  • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8447-:d:702579
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    References listed on IDEAS

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    1. Umar Javed & Neelam Mughees & Muhammad Jawad & Omar Azeem & Ghulam Abbas & Nasim Ullah & Md. Shahariar Chowdhury & Kuaanan Techato & Khurram Shabih Zaidi & Umair Tahir, 2021. "A Systematic Review of Key Challenges in Hybrid HVAC–HVDC Grids," Energies, MDPI, vol. 14(17), pages 1-27, September.
    2. Olga Akhmedova & Anatoliy Soshinov & Farit Gazizov & Svetlana Ilyashenko, 2021. "Development of an Intelligent System for Distance Relay Protection with Adaptive Algorithms for Determining the Operation Setpoints," Energies, MDPI, vol. 14(4), pages 1-20, February.
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    Cited by:

    1. Seyed Amir Hosseini & Ali Akbar Nazari & Behrooz Taheri & Farzad Razavi & Hamed Hashemi-Dezaki, 2022. "Proposing a New Approach to Generate the Differential Trajectory of the Differential Relays Using COMTRADE Files," Sustainability, MDPI, vol. 14(21), pages 1-25, October.
    2. Muhammad Sheryar & Muhammad Ahsan Ali & Farhana Umer & Zeeshan Rashid & Muhammad Amjad & Zunaib Maqsood Haider & Muhammad Omer Khan, 2022. "An Approach to Performing Stability Analysis for Power Transformer Differential Protection: A Case Study," Energies, MDPI, vol. 15(24), pages 1-16, December.

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