Results 251 to 260 of about 100,090 (288)
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Research on Short Circuit Current Calculation of Distributed Power Grid with Asymmetric Faults
2025 2nd International Symposium on New Energy Technologies and Power Systems (NETPS)Huanying Huang +5 more
exaly +2 more sources
2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), 2023
Youwen Zhang, Xuejun Pei, Min Yang
exaly +2 more sources
Youwen Zhang, Xuejun Pei, Min Yang
exaly +2 more sources
Analysis of breaking capability within asymmetrical short circuits
2015 16th International Scientific Conference on Electric Power Engineering (EPE), 2015This paper discusses the occurrence of asymmetrical currents and difficulties within their breaking due to the reduced breaking capability in limitary areas of breaker's characteristics. It's aimed at breaking of generator short-circuits with specific course.
Vladimir Vajnar +2 more
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PM Synchronous Machine Drive Response to Asymmetrical Short-Circuit Faults
IEEE Transactions on Industry Applications, 2014This paper investigates the impact of machine topology and parameters on the fault-mode characteristics of permanent-magnet synchronous machines (PMSMs) exposed to asymmetrical short-circuit (ASC) faults, one of the most dangerous faults in terms of peak current amplitudes and demagnetization risks.
Gilsu Choi, T. M. Jahns
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Asymmetrical Short-Circuit Current Interruption by Synthetic Testing Method
IEEE Power Engineering Review, 1983In this paper, the authors are dealing with a problem which, up to now, has not resulted into any official recommendation, i.e the method to be used to define the transient recovery voltage to be applied further to the interruption of an asymmetrical current, on synthetic testing.
E. Thuries, J. Dayet, B. Joyeux-Bouillon
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Analysis of short-circuit asymmetrical currents in power distribution systems
2012 47th International Universities Power Engineering Conference (UPEC), 2012This work focuses on the study of electromagnetic transients existing in power systems in the occurrence of phase to ground and three phase faults, aiming to evaluate the dynamic capability of circuit breakers, switch disconnectors and current transformers.
M. J. S. Ramos +4 more
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Effect of asymmetrical dimensions in short circuit forces of power transformers
2005 International Conference on Electrical Machines and Systems, 2005Calculation of the short circuit forces is very important in power transformer design. The main goal of this paper is calculation of these forces along the LV&HV windings in power transformer by using finite element method (FEM). After that, we described how forces are changing by increasing of asymmetrical dimensions and misalignment of LV&HV ...
M. Allahbakhsi, K. Abbaszadeh, A. Akbari
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2016 IEEE International Energy Conference (ENERGYCON), 2016
Phase-to-phase short-circuit faults in a permanent-magnet synchronous machines are quite dangerous because of the extremely high short-circuit transient current after fault. This paper presents a fault detection and identification diagnosis approach for asymmetrical faults in permanent-magnet synchronous machines, considering both inter-turn and phase ...
null Yuxue Ge +3 more
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Phase-to-phase short-circuit faults in a permanent-magnet synchronous machines are quite dangerous because of the extremely high short-circuit transient current after fault. This paper presents a fault detection and identification diagnosis approach for asymmetrical faults in permanent-magnet synchronous machines, considering both inter-turn and phase ...
null Yuxue Ge +3 more
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Finite element analyses of short circuit forces in power transformers with asymmetric conditions
2008 IEEE International Symposium on Industrial Electronics, 2008Short circuit forces may be destructive in a power transformer. Therefore, accurate evaluation of such forces is essential during the design and manufacturing phase. Otherwise, overestimated values may result in oversized, and in general, non-optimal design. The analytical methods are usually fast and easy to apply.
M. Reza Feyzi, M. Sabahi
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2020 Asia Energy and Electrical Engineering Symposium (AEEES), 2020
This paper studies the dynamic response of the wound rotor brushless doubly-fed generator (BDFG) in asymmetrical fault conditions in the wind turbine. Physical behaviors under asymmetrical short-circuits are described by generalized analytical solutions and the relationship between flux linkage vectors is derived.
Quanquan Wang +4 more
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This paper studies the dynamic response of the wound rotor brushless doubly-fed generator (BDFG) in asymmetrical fault conditions in the wind turbine. Physical behaviors under asymmetrical short-circuits are described by generalized analytical solutions and the relationship between flux linkage vectors is derived.
Quanquan Wang +4 more
openaire +1 more source