Pu Jinyu
Electric Power Research Institute
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Publication
Featured researches published by Pu Jinyu.
international conference on condition monitoring and diagnosis | 2016
Qin Kai; Li Dajian; Pu Jinyu
Reducing the influences of suspended discharge on insulating property can improve power supply reliability. In this Paper, through analyzing an explosion accident of 220kV SF6 gas-insulated electromagnetic voltage transformer (TV), it shown that the primary cause of the accident is attributed to the suspended discharge in the internal equipment, resulting in a reducing performance of SF6 gas-insulation. Under the low lightning overvoltage, short circuit of TVs primary lead over the ground is caused. Meanwhile, the experiment verifies that the suspended discharge causes instable electrical connection in internal equipment, resulting in fluctuation of TVs secondary terminal voltage and misjudge of equipment insulation online monitoring. At last, the paper proposes the countermeasures and recommendations on preventing from suspended discharge in internal electrical equipment.
Archive | 2015
Qin Kai; Zhang Yubo; Zhang Lei; Pu Jinyu; Tang Jie; Chen Liangyuan; Zhao Jian; Li Dajian
Archive | 2014
Qin Kai; Tang Jie; Zhao Jian; Li Dajian; Chen Liangyuan; Zhang Lei; Zhang Yubo; Pu Jinyu
Archive | 2013
Chen Liangyuan; Li Dajian; Zhao Jian; Zhang Lei; Zhang Yubo; Pu Jinyu; Qin Kai
Archive | 2017
Wu Rongrong; Zhang Wei; Li Dajian; Pu Jinyu; Wang Le; Zhang Yubo
Archive | 2017
Chen Liangyuan; Li Dajian; Zhao Jian; Pu Jinyu; Zhang Lei; Zhang Yubo; Su Xinghua; Yan Haijun
Archive | 2017
Zhang Wei; Li Dajian; Zhang Yubo; Pu Jinyu; Guo Lijuan; Wu Rongrong; Wang Le; Meng Guobin
Archive | 2017
Wang Le; Pu Jinyu; Zhang Wei; Su Xinghua; Chen Liangyuan; Wu Rongrong; Meng Guobin
Archive | 2017
Wu Qiuli; Li Dajian; Zhang Yubo; Chen Liangyuan; Zhang Lei; Pu Jinyu; Su Xinghua; Yan Haijun; Yu Changting
Archive | 2017
Zhang Lei; Chen Liangyuan; Zhang Yubo; Li Dajian; Zhao Jian; Su Xinghua; Pu Jinyu; Yan Haijun; Yu Changting