Results 21 to 30 of about 2,062 (80)

某500 kV输电系统合闸过电压仿真研究

open access: yesDianci bileiqi
操作过电压对超高压乃至特高压输电系统的安全稳定运行具有较大威胁。为了揭示电力系统内部合闸过电压对输电线路的影响,本研究以某地区500 kV变电站为例,通过在ATP-EMTP电磁暂态仿真软件中建立带有统计开关的输电线路仿真模型对其产生的合闸过电压进行分析。首先通过时控开关对断路器进行单次合闸过电压的分析,得出单次合闸过电压变化规律及避雷器吸发功率的特点;其次根据通过开关对断路器进行统计合闸过电压分析,研究统计合闸过电压的频次分布与概率;最后根据输电线路序参数由补偿公式设计高压并联电抗器,并按照国标GB/T
黄金魁, 朱浩楠, 范彦琨, 李化
doaj  

[Extracellular matrix materials and tissue regeneration and repair]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhao L, Xie H.
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

[Development of a balloon sensor device for force-electrical coupling measurement of esophagus]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ran P   +5 more
europepmc   +1 more source

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