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Loss of Excitation Protection of Medium Voltage Hydro Generators Using Adaptive Neuro Fuzzy Inference System

Loss of Excitation Protection of Medium Voltage Hydro Generators Using Adaptive Neuro Fuzzy Inference System

Mohamed Salah El-Din Ahmed Abdel Aziz, Mohamed Ahmed Moustafa Hassan, Fahmy M. A. Bendary
Copyright: © 2018 |Pages: 33
ISBN13: 9781522540779|ISBN10: 1522540776|EISBN13: 9781522540786
DOI: 10.4018/978-1-5225-4077-9.ch009
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MLA

Abdel Aziz, Mohamed Salah El-Din Ahmed, et al. "Loss of Excitation Protection of Medium Voltage Hydro Generators Using Adaptive Neuro Fuzzy Inference System." Advances in System Dynamics and Control, edited by Ahmad Taher Azar and Sundarapandian Vaidyanathan, IGI Global, 2018, pp. 253-285. https://doi.org/10.4018/978-1-5225-4077-9.ch009

APA

Abdel Aziz, M. S., Hassan, M. A., & Bendary, F. M. (2018). Loss of Excitation Protection of Medium Voltage Hydro Generators Using Adaptive Neuro Fuzzy Inference System. In A. Azar & S. Vaidyanathan (Eds.), Advances in System Dynamics and Control (pp. 253-285). IGI Global. https://doi.org/10.4018/978-1-5225-4077-9.ch009

Chicago

Abdel Aziz, Mohamed Salah El-Din Ahmed, Mohamed Ahmed Moustafa Hassan, and Fahmy M. A. Bendary. "Loss of Excitation Protection of Medium Voltage Hydro Generators Using Adaptive Neuro Fuzzy Inference System." In Advances in System Dynamics and Control, edited by Ahmad Taher Azar and Sundarapandian Vaidyanathan, 253-285. Hershey, PA: IGI Global, 2018. https://doi.org/10.4018/978-1-5225-4077-9.ch009

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Abstract

This chapter presents a new method for loss of excitation (LOE) faults detection in hydro-generators using adaptive neuro fuzzy inference system (ANFIS). The investigations were done under a complete loss of excitation conditions, and a partial loss of excitation conditions in different generator loading conditions. In this chapter, four different techniques are discussed according to the type of inputs to the proposed ANFIS unit, the generator terminal impedance measurements (R and X) and the generator terminal voltage and phase current (Vtrms and Ia), the positive sequence components of the generator terminal voltage magnitude, phase current magnitude and angle (│V+ve│, │I+ve│ and ∟I+ve) in addition to the stator current 3rd harmonics components (magnitudes and angles). The proposed techniques' results are compared with each other and are compared with the conventional distance relay response in addition to other techniques. The promising obtained results show that the proposed technique is efficient.

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