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The causes of electrical accidents which occur during maintenance of power lines are sometimes not traceable. Unfortunately, a grounding practice which has been widely adopted in the utility industry in India, U.K., and some other countries unintentionally causes so many fatal accidents every year. The conclusion was arrived after analyzing some fatal accidents. This practice of protective grounding...
This paper presents touch voltage reduction technique for uniform and two-layer soil by applying grid compression ratio. The design of ground grid is discussed pertinent to its maximum touch and step voltage produced for a given GPR. The parameters are analyzed to ensure that they conform to the IEEE 80-2000. It is found that, for a given GPR, the maximum touch and step voltages of the rectangle grid,...
A grounding practice which has been widely adopted as a personal protective measure for carrying out de-energized line works is causing many fatal accidents. The conclusion was arrived after analyzing a fatal accident. This method of protective grounding is still practiced by many distribution companies without realizing the imminent danger involved. The paper explains how this particular practice...
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