Results 111 to 120 of about 15,529 (196)

运行与检修问答

Gaoya dianqi, 1992
【问】什么是异相接地故障?电力部门为什么要求在非有效接地系统中应选用通过异相接地故障开断试验的断路器? 【答】在中性点非有效接地系统中,在一相断路器的内侧和另一相断路器的外侧各产生一个单相接地的故障,称为异相接地故障。异相接地故障实际是一种特定的两相接地故障。在开断异相接地时,断路器首开相上将出现1.73倍相电压工频过电压 ...
林立生
doaj  

建筑电气工程中智能型防雷接地系统设计与研究

, 2021
王胜国
openalex   +2 more sources

含直流断路器的双极接线柔性直流输电系统 MMC 交流侧单相接地故障研究

, 2020
姜田贵, 谢晔源, 姚宏洋, 卢宇, 朱铭炼   +4 more
openalex   +2 more sources

电力配电系统的防雷与接地技术分析

, 2022
张明伟
openalex   +2 more sources

[Design and implementation of the internet of medical things data platform based on cloud-edge-end architecture]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liang H, Sun J, Ren H, Lu X, Liu T, Fan Y, Chao Y, Cao D, He K, Zhang Z, Lyu J.   +10 more
europepmc   +1 more source

[Gait event-driven dynamic changes in brain-muscle networks and neuromuscular coordination mechanisms]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu X, Guo A, Liang T, Liu X, Qin L.
europepmc   +1 more source

[Musculoskeletal biomechanical analysis of the three-dimensional gastrocnemius and soleus muscles]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Tang Z, Xu J, Jin Z, Li J.
europepmc   +1 more source

供配电系统中的防雷与接地技术应用初探

李海成
openalex   +2 more sources

[Research progress on the acquisition technology of magnetocardiography]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Kang B, Dong M, Chang Y, Wang J, Zhao T, Fan L.   +5 more
europepmc   +1 more source

基于小波包的矿井供电系统单相接地故障选线方法

, 2018
罗超, 耿蒲龙, 曲兵妮, 宋建成, 刘聚财, 都志立, 原磊明   +6 more
openalex   +2 more sources