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The determination of the ground structure in terms of its electric parameters (resistivity and permittivity) is a key point for calculations of ground electrical conduction, especially when high voltages are involved. A mixed optimization method designed to determinate the resistivities and lengths of the ground layers in a horizontally stratified model for the soil is presented, using the Genetic...
The wind power generation systems in Japan have been damaged by lightning, especially in winter season. It is caused by the large energy of the winter lightning and several protection methods have been investigated based on the observations of lightning.
Recently, the application field of a high-speed differential transmission system has expanded, and shielded twisted pair cables (STP cables) are used for the system. Therefore, it is necessary to understand the characteristics of the STP cable. In this paper, we study the relation between noise susceptibility performance of a STP cable and terminal grounding condition of the shield sheath of the STP...
This paper describes the results of calculating and measuring deviations of conducted disturbance voltages caused by differences in the arrangement of an artificial mains network (AMN) used to measure the voltage, for example, the height of the (AMN) from a horizontal reference ground plane and the connection between the AMN and the ground plane. The results indicated that the conducted disturbance...
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