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- The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage. 变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有着直接的影响。
- A portable test method for impulse grounding resistance is proposed,on base of analyzing the existing calculation and measurement of tower impulse grounding resistance. 在总结现有的杆塔冲击接地电阻的计算测量方法的基础上,研制了便携式杆塔冲击接地电阻测量系统。
- It is pointed out that the impulse grounding resistance is an important factor for the safety of power system,and a new method of measuring grounding resistance is proposed. 指出了电力系统接地网中冲击接地电阻对电力系统接地安全的重要影响,并提出了一种接地测量的新方法。
- Apparatus for Measuring Impulse Grounding Resistance in Power Systems 电力系统冲击接地电阻测量装置
- impulse grounding resistance 冲击接地电阻
- An impulse grounding mathematical model b ased on spark discharge equivalent radius of extended electrode of transmission line tower is presented. 提出了考虑火花放电等效半径的输电线路杆塔水平伸长接地体冲击接地的数值计算模型。
- ZHOU Zhai-he, WANG You-ren, KONG De-ming. A high-precision grounding resistance instrument[J]. Automation of Electric Power ystems,2004,28(6): 94-97. 闫华光，接地电阻变频测量仪与信号处理系统研究[D]，武汉：武汉大学，2002。
- The practical application and some attentive problems about epitaxial grounding, deep-well grounding and grounding resistance reducing material are especially analyzed. 在实际接地工程中就曾发生过因采用的降阻措施与现场实际不符而造成投资大收益小的事情。还有一些在降阻措施使用不当而造成高电位外引留下安全隐患的，因而有必要对每种降阻措施的作用、适用场所和应注意的问题进行深入的分析和研究。
- Wang Hao,Fu Longhai,Wu Guangning,et al.The methods to reduce grounding resistance in QinghaiTibetan railway Ge-La segment[J].Insulators and Surge Arresters,2006,(1):42-46. [2]王颢;付龙海;吴广宁;等.;降低青藏铁路格拉段变电站接地电阻方法的探讨[J]
- To reduce the cost in grounding resistance measurement of grounding grids along Qinghai-Tibet railway, a new grounding gird resistance measurement device was designed. 摘要为在青藏铁路变电站接地网测量接地电阻时减少所需的人力物力和降低测量难度，提出了新型接地电阻测量装置。
- Structure of Ground Net and Measurement of Grounding Resistance 接地网的结构及接地电阻测量
- Analytical Calculation about Grounding Resistance of Underwater Ground Grid 水下接地网接地电阻的解析计算法
- A HIGH-PRECISION GROUNDING RESISTANCE INSTRUMENT 高精度电力系统接地电阻测量仪
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- We were seized by a sudden impulse to run. 我们身不由己突然想跑。
- His irresistible impulse to set fire to shoe shop. 他放火烧鞋店的不可抗拒的冲动。
- Because of the high resistivity of the deep soil at the location where the Three Gorges Hydroelectric Power Station is built and the granite structure under the river bed, it is difficult to reduce the grounding resistance in this region. 三峡电站所在地区的土壤深处及河床以下为高电阻率的花岗岩结构,要降低其接地电阻相当困难。
- He bought the house on an impulse. 他凭一时冲动买下了这所房子。
- grounding resistance at neutral point 中性点接地电阻
- The ground was covered with ferns. 地面上长满了羊齿植物。
