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Choongman Lee, Gyu-Jung Cho and Joorak Kim
This paper presents a Scott transformer model to be applied in electromagnetic transients (EMT) programs, particularly in the absence of a detailed Scott transformer model for performing real-time simulations (RTS). Regarding a Scott transformer, a commo...
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Hao Qiu, Shuhong Wang, Naming Zhang, Fengju Sun, Zhiguo Wang, Xiaofeng Jiang, Hongyu Jiang, Xu He and Shuya Ning
The focus of this paper is numerical analysis on the performance of a newly designed mega-ampere (MA) class single-stage fast linear transformer driver (FLTD) with 24 separate columns in the China Z-pinch driver CZ34. However, the internal structure and ...
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As renewable energy sources connecting to power systems continue to improve and new-type loads, such as electric vehicles, grow rapidly, direct current (DC) microgrids are attracting great attention in distribution networks. In order to satisfy the volta...
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Xiaoxiao Meng, Qianggang Wang, Niancheng Zhou, Shuyan Xiao and Yuan Chi
AC microgrid mainly comprise inverter-interfaced distributed generators (IIDGs), which are nonlinear complex systems with multiple time scales, including frequency control, time delay measurements, and electromagnetic transients. The droop control-based ...
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Benfeng Gao, Ruixue Zhang, Ren Li, Hongyang Yu and Guoliang Zhao
High-voltage direct current (HVDC) lines with line-commutated converter (LCC) are being increasingly employed to transmit bulk wind power over long distance. However, this may cause the sub-synchronous torsional interaction (SSTI) between the wind farms ...
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Sho Shibata, Hiroaki Yamada, Toshihiko Tanaka and Masayuki Okamoto
This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on...
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Byung Eun Lee, Jung-Wook Park, Peter A. Crossley and Yong Cheol Kang
This paper proposes an algorithm for fault detection, faulted phase and winding identification of a three-winding power transformer based on the induced voltages in the electrical power system. The ratio of the induced voltages of the primary-secondary, ...
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Mahmoud Matar, Houshang Karimi, Amir Etemadi and Reza Iravani
This paper presents a high performance real-time simulator for power electronic systems applications and primarily intended for controller hardware-in-the-loop (CHIL) testing. The novelty of the proposed simulator resides in the massively parallel hardwa...
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Petar Sarajcev and Ranko Goic
This paper elaborates on several important outstanding issues in the state-of-art of overvoltage protection selection for modern wind farms. The lack of experience with this still-new technology, together with the inherent complexity of wind farm electri...
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M. M. Kedria
Pág. 32 - 33
The article examined the terms at which transients in electromechanics are examined systems with the engines of direct current most exactly reflect properties of engines from point of changes of electromagnetic and mechanical energies. Of recommendation ...
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