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Wenxia Sima, Chilong Jiang, Paul Lewin, Qing Yang and Tao Yuan
The partial discharge (PD) process in liquid dielectrics is influenced by several factors. Although the PD current contains the information representing the discharge process during the PD event, it is difficult to determine the detailed dynamics of what...
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Wenxia Sima, Fusheng Guo, Qing Yang and Tao Yuan
To investigate the microphysics mechanism and the factors that influence arc development along a polluted surface, the arc was considered as a plasma fluid. Based on the image method and the collision ionization theory, the electric field of the arc need...
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Qing Yang, Jing Wang, Wenxia Sima, Lin Chen and Tao Yuan
The main purpose of this paper is to establish a signal decomposition system aiming at mixed over-voltages in power systems. In an electric power system, over-voltage presents a great threat for the system safety. Analysis and identification of over-volt...
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Lin Chen, Qing Yang, Jing Wang, Wenxia Sima and Tao Yuan
This paper proposes a simple and effective method for classification of fundamental ferroresonance, single phase-to-ground and wire breakage over-voltages. In isolated neutral networks, power frequency over-voltages due to ferroresonance, single phase-to...
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Jing Wang, Qing Yang, Wenxia Sima, Tao Yuan and Markus Zahn
This paper proposes a complete and effective smart over-voltage monitoring and identification system. In recent years, smart grids are of the greatest interest in power system research. One of the main features of smart grid is their self-healing, which ...
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