Talking about the improvement on local ground pole;
浅谈井下局部接地极的改进
Design of grounding electrode feeder system of Three Gorges Longquan Converter Station;
三峡左岸龙泉换流站接地极导流系统设计
Based on the equivalence of steady current field and static electric field, for the two common forms of horizontal linear grounding electrode and parallel vertical grounding electrode, a new method is presented to calculate the non-uniform of current distribution in two kinds grounding electrode, and the rule of current distribution in grounding electrode is discussed.
针对目前接地极电流分布计算方法较为复杂等的不足,从电流场和静电场的等效性出发,探讨了水平直线和并联垂直型2种常见形状接地极导体中电流分布不均匀的问题,提出了计算电流分布的一种简化方法。
In view of the corrosion of underground metal components caused by the grounding electrode of HVDC power transmission project, the features of electro-corrosion are analyzed and the limit values of corrosion to grounding metal components are determined.
针对直流输电工程接地极对地下金属构件的腐蚀问题,对电腐蚀的特性进行了分析,确定了大地金属构件腐蚀的限值。
The effectivity and merit of slanting grounding electrode on improving grounding grid performance are analyzed in this paper by comparing the effect of all kinds of grounding electrode.
通过比较对接地网增加不同形式接地极的效果,分析了斜接地极对改善接地网接地性能的作用及其优点,并通过工程实例进行了验证。
As the design criteria for HVDA ground electrodes is not available in China,it is necessary to summarize timely design experiences both at home and abroad in this respect.
讨论了高压直流输电系统的运行方式,提出了接地极设计参数的推荐数值。
This paper proposes a study of the influence of the HVDC(High Voltage Direct Current transmission) ground electrode current on neutral grounding transformer.
对高压直流输电系统接地极电流对中性点接地变压器的影响进行了研究。
The performance of HVDC ground electrodes is analyzed in detail.
详细分析了高压直流输电接地极的特性，在基本电磁场的理论观点及其假设的基础上，阐述直流接地极的模型建立和电流场分析，并进行了接地电阻、电位分布和温度分布等计算。
Tentative plan of sharing earth electrodes among converter stations in Guangdong;
广东地区换流站采用共用接地极的设想
Sharing earth electrode by three UHVDC system rectifiers or inverters are studied respectively by electromagnetic transient analysis software EMTP-RV based on the main parameters of ±800kV HVDC project from Xiangjiaba to Nanhui.
根据向家坝-南汇±800kV直流输电工程的具体参数,利用电磁暂态计算软件EMTP-RV对3个特高压直流输电系统送端及受端分别采用共用接地极方案进行详细的仿真研究,从系统稳态运行角度进行了深入透彻地分析,对该方案的优缺点进行了详细总结,并对该方案下各直流输电控制系统的协调控制提出了可行性建议。
The application and realization of GSM network and solar energy technology in on-line monitoring system for HVDC system earth pole is presented.
论述了GSM和太阳能供电技术在高压直流输电换流站接地极监测系统中的应用和具体实现方法。
For the satisfaction of the electric power enterprise production,the solution is proposed in this paper for the remote on-line monitoring system for HVDC system earth pole based on GSM network and solar energy power supply technology.
为满足实际电力企业生产需求,提出并实现了基于GSM与太阳能供电技术的高压直流输电换流站接地极在线监测系统。