Gaoya dianqi, 2011 110 kV避雷线发热非常罕见。笔者对接入平果牵引站的110 kV马平牵线的避雷线发热情况进行了现场调查和分析,得出避雷线发热与牵引站部分回流线被盗、地回流电流过大有关。同时利用CDEGS软件建立了仿真模型进行了计算,仿真结果显示,当牵引负荷较大时,避雷线中有较大牵引电流流过。在牵引站进行的现场测试验证了分析的正确性。文章最后提出了整改措施,保证了牵引站的运行安全。
许飞, 韦巍, 李恒灿, 农宇
doaj
Dianci bileiqi, 2016 雷电流可分解为不同的频率分量,目前对于雷电流各频域范围与冲击响应电压之间的对应关系还缺乏相应的研究。在CDEGS中建立土壤电阻率500Ω·m下的100 m长水平接地体模型,利用MATLAB计算研究2.6/50μs雷电流中各频域范围对100 m长水平接地体的冲击电压幅值及幅值时间的影响,研究了将雷电流通过傅里叶变换分解为一系列的离散频率,计算接地极在各频率下的响应电压,再通过傅里叶反变换合成得到雷电流冲击响应电压波形的方法。并通过与CDEGS仿真的雷电流冲击响应电压波形对比分析 ...
马御棠 +6 more
doaj
Soil resistivity structure and its implication on the pole grid resistance for transmission lines
, 2013 High Voltage (HV) transmission lines are widely spread around residential places. They take all forms of shapes: concrete, steel, and timber poles. Earth grid always form part of the HV transmission structure, whereat soil resistivity value is one of the
Nasserddine, Ghalia +2 more
core
Gaoya dianqi, 2016 为更好地分析和研究变电站故障电流分布,准确确定故障电流分流系数,利用大功率变频信号发生系统和柔性Rogrowski线圈对大学城110 k V变电站故障电流分流系数进行了测量,利用CDEGS软件对大学城110 k V变电站故障短路下电流分布进行了仿真计算,并与实测结果进行了对比分析。仿真计算值与实测值对比吻合性较好,验证了仿真计算方法的准确性。对仿真计算的误差来源进行了分析。
端木林楠 +4 more
doaj
Gaoya dianqi, 2007 采用CDEGS软件包对±800 kV特高压直流输电线路的电磁环境进行了仿真研究。分析了极导线水平排列的±800 kV特高压直流输电线路的标称电场、合成电场、无线电干扰（RI）和可听噪声（AN）的总体水平。讨论了线路参数,包括极导线对地高度、极间距、子导线截面积等对特高压直流输电线路的电磁环境参数的影响。对海拔高度变化和单极运行方式等的影响也进行了分析。
王小凤, 周浩
doaj
Physiological and transcriptomic responses of sunflower to combined saline-alkali stress. [PDF]
BMC GenomicsZheng J +9 more
europepmc +1 more source
Machine learning and single-cell RNA sequencing identify shared diagnostic genes and mechanistic links between antiphospholipid syndrome and carotid atherosclerosis. [PDF]
PeerJPei J +6 more
europepmc +1 more source
A Meta-analysis to Identify Common Key Genes Across Ageing, Alzheimer's and Parkinson's Diseases. [PDF]
Ann NeurosciChaurasiya M +3 more
europepmc +1 more source
Ophiopogon japonicus-derived plant exosomes: a promising strategy for blocking the progression of diabetic vasculopathy to myocardial infarction. [PDF]
BMC Complement Med TherPan Y +8 more
europepmc +1 more source
Identification of genetic biomarkers, drug targets and agents for respiratory diseases utilising integrated bioinformatics approaches. [PDF]
Sci Rep, 2023 Ahmed FF +9 more
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