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串联电抗器接入对超高压断路器TRV的影响研究

open access: yesGaoya dianqi
在线路上加装串联电抗器是抑制短路电流的有效措施,但同时也对断路器瞬态恢复过电压(TRV)产生显著影响,会影响断路器的正常开断,进而影响系统的安全稳定运行。文中结合中国现有500 kV超高压线路串联电抗器工程,利用电磁暂态仿真软件EMTP-RV研究了不同工况下串联电抗器接入对断路器TRV的影响。研究结果表明:接入的串联电抗器参数、位置对TRV有重要影响,串入的电感量越大,TRV电压上升率越低;安装位置越靠近断路器,TRV上升率越大;线路长度对TRV上升率影响较小,引起的变化幅度在5%以内 ...
李珂   +4 more
doaj  

[A model based on the graph attention network for epileptic seizure anomaly detection]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liang G   +6 more
europepmc   +1 more source

[Researches and clinical translation of smart dressings]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Lyu GZ, Zhao P.
europepmc   +1 more source

[Evaluation of an interpretable 12-lead ECG automatic diagnosis model based on deep feature fusion]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Lu X   +5 more
europepmc   +1 more source

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