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Ghodrati, Cyrus, Niasati, Mohsen, Moravej, Zahra. (1404). A new Method for Detecting Over Flux in Power Transformers. نشریه هنرهای کاربردی, 5(3), 13-22. doi: 10.22075/mseee.2025.37572.1207
Cyrus Ghodrati; Mohsen Niasati; Zahra Moravej. "A new Method for Detecting Over Flux in Power Transformers". نشریه هنرهای کاربردی, 5, 3, 1404, 13-22. doi: 10.22075/mseee.2025.37572.1207
Ghodrati, Cyrus, Niasati, Mohsen, Moravej, Zahra. (1404). 'A new Method for Detecting Over Flux in Power Transformers', نشریه هنرهای کاربردی, 5(3), pp. 13-22. doi: 10.22075/mseee.2025.37572.1207
Ghodrati, Cyrus, Niasati, Mohsen, Moravej, Zahra. A new Method for Detecting Over Flux in Power Transformers. نشریه هنرهای کاربردی, 1404; 5(3): 13-22. doi: 10.22075/mseee.2025.37572.1207

A new Method for Detecting Over Flux in Power Transformers

Modeling and Simulation in Electrical and Electronics Engineering
دوره 5، شماره 3 - شماره پیاپی 21، دی 2025، صفحه 13-22    اصل مقاله (1.12 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22075/mseee.2025.37572.1207
نویسندگان
Cyrus Ghodrati* ؛ Mohsen Niasati؛ Zahra Moravej
Faculty of Electrical and Computer Engineering , Semnan University, Semnan, Iran.
تاریخ دریافت: 08 اردیبهشت 1404،  تاریخ بازنگری: 21 خرداد 1404،  تاریخ پذیرش: 02 مهر 1404 
چکیده
This paper presents a new method for monitoring and identifying over-flux in power transformers based on harmonic analysis. Today, over-flux protection of power transformers is done by monitoring the voltage-to-frequency ratio. When the ratio value exceeds the unit value, it should be detected. This method may cause incorrect operation of the power transformer's over-flux protection due to voltage and frequency variations in the network. This paper proposes a new method for detecting and identifying power transformer over-flux based on the total harmonic distribution. In addition, the equation and curve of flux and total harmonic distortion (THD) changes in the power transformer were obtained using DIGSILENT software, which can be used to design the over-flux protection. Based on the simulation results, a simple equation was presented to estimate the transformer flux value based on the THD value.
کلیدواژه‌ها
Overflux؛ Harmonic؛ Flux؛ Power Transformer, Detecting؛ Total Harmonic Distortion
مراجع
  1. Moravej, A. Imani, " Power Systems Protection Principles, and Applications", Semnan University Press, 2021
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  7. Pankaj B. Thote, Manoj B. Daigavane, Prema M. Daigavane, Saurabh Kamble, Chandrakant Rathore, "Hardware-in-Loop Implementation of ANN Based Differential Protection of Transformer ", 2017 IEEE International WIE Conference on Electrical and Computer Engineering (WIECON-ECE) 18-19 December 2017, WIT, Dehradun, India.
  8. Xusheng Chen, John-Paul Caputo, Yahia Baghzouz, " Harmonic Analysis of Ferroresonance in Single-Phase Transformers", Conference Paper · June 2012,
  9. Cailing Huo, Youhua Wang, Chengcheng Liu, Gang Lei, " Study on the residual flux density measurement method for power transformer cores based on magnetising inductance", 2021 The Authors. IET Electric Power Applications published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology.
  10. Ghodrati, " A new method to identify and limit inrush current in power transformer", 2023, the 13th IEEE International Conference on Power, Energy and Electrical Engineering, Tokyo, Japan, (CPEEE 2023).
  11. Steven Hodder, Bogdan Kasztenny, Normann Fischer, Yu Xia, Schweitzer Engineering Laboratories, Inc. "Low Second-Harmonic Content in Transformer Inrush Currents – Analysis and Practical Solutions for Protection Security", Previously presented at the 2014 Texas A&M, Conference for Protective Relay Engineers. ©2014 IEEE.
  12. Ghodrati, " A new algorithm for unit protection using harmonic Gate control", 2024 IEEE International Conference on Electro Information Technology hosted by the University of Wisconsin, Eau Claire, Wisconsin, USA.
  13. Senthil Krishnamurthy and Bwandakassy Elenga Baningobera, "IEC61850 standard-based harmonic blocking scheme for power transformers", Protection and Control of Modern Power Systems (Springer), May 2019.
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