Results 51 to 60 of about 1,101 (102)

直流换流站高通HP3型交流滤波器电抗器匝间故障监测及保护

open access: yesGaoya dianqi
直流换流站高通HP3型交流滤波器组中电抗器匝间短路故障事故多发,由于缺乏对此故障的快速监测及保护,导致其匝间短路持续存在3~9 min之久并起火燃烧。匝间短路后电抗器的等值电感会不断减小,由此引起了滤波器电路参数变化并进而引发了滤波器配置的热过负荷保护启动告警,长久故障也引发了次生的电抗器底部支撑绝缘子闪络接地致使滤波器差动保护动作出口跳闸。文中分析了3起典型故障案例,结合C型高通HP3型滤波器电路设计理念及运行特点,解释了有关保护启动及动作的原因。基于匝间短路会导致HP3电路中电阻器上的工频电压 ...
贾跟卯   +4 more
doaj  

[Research progress in electroencephalogram-based brain age prediction]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zu H, Zhan P, Yu H, Wang W, Liu H.
europepmc   +1 more source

[A portable steady-state visual evoked potential brain-computer interface system for smart healthcare]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhu Y, Ji Z, Li S, Wang H, Fu Y, Wang H.
europepmc   +1 more source

[Research on a portable electrical impedance tomography system for evaluating blood compatibility of biomaterials]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Peng P   +7 more
europepmc   +1 more source

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