In order to make the design more reasonable,this paper discusses and(analyses) the method of burying earth poles in the deep well to reduce the ground resistance,touch potential difference and step potential difference.

The paper introduces the plan and process of touch and step potential difference test used in shijingshan Thermal Power Plant,and analyzes the measured data.

Taking a reformation project of a substation as an example, the authors explain that all the parameters of grounding grid, such as grounding resistance, step potential difference, contacting potential difference, and heat stability after corrosion, should be measured and tested.

In the paper the bearing running vibration is analyzed in the two conditions of odd and even number of rolling element in load area,and the clearance effect is considered at the same time.

This paper introduces the concept of current non-uniformity coefficient, and discusses the characteristics of this coefficient, and analyzes the current distribution, ground resistances, and maximum step voltages of different electrode shapes in Laocheng.

Safety assessment of grounding systems is a testing that the actual maximum touch and step voltages are computed and compared to the maximum allowable(safe) touch and step voltages.

The results show that both step voltage and grounding resi.

And,the straight going gait and stand still turning gait are planned;furthermore, the maximum stride of the straight going gait and the maximum turning angle of the standstill turning gait are derived.