Dianci bileiqi, 2019 换流站小组交流滤波器投入时,由于不可能准确在电压过零点时刻合闸,会对系统造成不同程度的暂态冲击,引起避雷器的频繁动作、老化。通过现场监测、录波分析、PSCAD仿真等手段对交流滤波器用避雷器频繁动作原因进行分析。结果表明,实际工程中避雷器频繁动作是由于滤波器合闸时刻与过零点偏差较大所致。某小组交流滤波器的合闸冲击会导致本小组避雷器动作,同时引起同类型其他组避雷器动作,过电压的大小随合闸偏离角度及直流输送功率的变化而变化。
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日中における水中文化遺産の保護および保全に関する制度的研究 : 関連する国際法および国内法の比較検討を通じて
東京海洋大学博士学位論文 2019年度(2020年3月) 応用環境システム学 課程博士 甲第553号指導教員: 婁小波全文公表年月日: 2020-06 ...
白, 亜寧
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