Results 101 to 110 of about 1,371 (186)
Dianci bileiqi, 2016 针对某110 k V变电站在施工过程造成该变电站围墙外部分接地网破坏,需要对该变电站进行修葺改造的情况,利用CDEGS仿真软件对该变电站的接地网特性参数进行仿真,根据该仿真计算及评估得出接地阻抗、工频接触电压、工频跨步电压、冲击接触电压、冲击跨步电压不合格的现状,提出合理的改造方案。
邱太洪 +5 more
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Investigation of earth potential rise on a typical single phase HV network [PDF]
, 2013 The hazards from Earth Potential Rise (EPR) at existing distribution steel poles installed in a rural farming property were investigated. Different fault scenarios were identified as part of the project.
Faroughi, Shakib
core
Measurement and prediction of microshock currents and voltages in an HV laboratory
, 2007 Microshocks are the low current, continuous discharges experienced by people capacitively coupled to high voltage equipment. The situations in which these discharges occur are complicated by the size and complexity of the high voltage equipment and the ...
Rowland, S.; id_orcid, Ahmed, Y.
core +2 more sources
Gaoya dianqi, 2013 笔者简要介绍了矩量法的基本原理。针对电力系统线性结构特点,阐述了矩量法用于计算电力系统工频电磁场的工程算法。基于该算法,使用国际知名软件包CDEGS计算了某地区实际输电线路的工频电磁场分布,计算结果与实测符合得很好。还分析了降低输电线路在地面附近电场强度的实用性措施,以供工程参考。
黄韬 +4 more
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, 2019 Alzheimer's disease (AD), a degenerative disease of the central nervous system, is the most common form of dementia in old age. The complexity and behavior of circular RNA (circRNA)-associated competing endogenous RNA (ceRNA) network remained poorly ...
Fulong Yu (3398372) +3 more
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Dianci bileiqi, 2016 接地网的合理设计对于改善接地系统的接地性能有着重要意义。由于土地资源日益紧缺,变电站占地面积越来越小,对双层接地网的研究具有十分重要的意义。基于CDEGS仿真软件对双层地网进行仿真分析,完成双层地网在下层地网埋深、面积及网格疏密等参数的布置优化。从而为双层接地网的适用环境以及布置提供理论依据。
张宇飞, 席俊明
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Dianci bileiqi, 2020 由于变电站接地网规模较大,结构复杂而且站内存在很大的电磁干扰,因此在变电站接地网的缺陷诊断中往往出现检测困难,诊断误差较大的问题。笔者通过利用CDEGS软件仿真变电站接地网在存在腐蚀或断裂时其导体上方地表电位分布,提出了不需开挖接地网来区分断点与腐蚀的诊断方法并且实现了断点的准确定位和腐蚀区域的判断。结合欧氏距离相关理论,对接地网导体缺陷特征进行了数值化分析。研究了施加激励的幅值与频率对缺陷诊断的影响,选择合适的激励电流从而实现了缺陷信息的放大。
张文龙 +4 more
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Acta electrotechnica et informatica, 2010 Paper presents electric and magnetic field computation of 35 kV voltage level of transformer substation 35/10 kV using CDEGS software. Based on well known theoretical considerations of electric and magnetic fields, a realistic model of transformer station 35/10 kV was developed for the simulations.
Jozsa, Lajos +2 more
openaire +1 more source
, 2019 Alzheimer's disease (AD), a degenerative disease of the central nervous system, is the most common form of dementia in old age. The complexity and behavior of circular RNA (circRNA)-associated competing endogenous RNA (ceRNA) network remained poorly ...
Fulong Yu (3398372) +3 more
core +1 more source
Dianci bileiqi, 2019 牵引变电所接地网作为保障所内设备安全运行和人身安全的重要措施,对电气化铁路的安全运营具有重要作用。建立了牵引变电所接地网的参数计算模型,并利用CDEGS软件搭建了接地网仿真模型,定量分析了接地网参数和短路电流对接地网电气性能的影响,为变电所接地网的设计和安全运行提供了参考数据。
吴波
doaj