A COMPLETE PROCEDURE TO DETERMINE EARTH FAULT CURRENT DISTRIBUTION AND SPLIT FACTOR FOR GROUNDING GRID DESIGN OF HV SUBSTATIONS

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RAMEZANI N.; SHAHRTASH S.M.

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Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2008 | Volume:32 | Issue:B3 Page(s): 205-221

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Title

A COMPLETE PROCEDURE TO DETERMINE EARTH FAULT CURRENT DISTRIBUTION AND SPLIT FACTOR FOR GROUNDING GRID DESIGN OF HV SUBSTATIONS

Author(s)

RAMEZANI N. | SHAHRTASH S.M. | Issue Writer Certificate

Keywords

SPLIT FACTORQ3

EARTH FAULT CURRENTQ3

TOUCH AND STEP VOLTAGESQ3

GROUNDING GRID DESIGNQ3

HV SUBSTATIONSQ3

Abstract

To design a safe substation grounding grid, it is necessary to compute the SPLIT FACTOR for EARTH FAULT CURRENT and also current distribution in other possible paths. In this paper, a novel, simple and accurate method is developed for determination of this factor. In the proposed algorithm grounding grid impedance of adjacent substations, dissimilar tower footing resistances, different parallel circuits, more than one earth wires and different spans in transmission lines can be considered. In addition, the formulation for the earth faults through line towers is presented. Finally, the results are compared with the addressed cases that are comparable and show good agreement and accuracy.

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APA: Copy

RAMEZANI, N., & SHAHRTASH, S.M.. (2008). A COMPLETE PROCEDURE TO DETERMINE EARTH FAULT CURRENT DISTRIBUTION AND SPLIT FACTOR FOR GROUNDING GRID DESIGN OF HV SUBSTATIONS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 32(B3), 205-221. SID. https://sid.ir/paper/62418/en

Vancouver: Copy

RAMEZANI N., SHAHRTASH S.M.. A COMPLETE PROCEDURE TO DETERMINE EARTH FAULT CURRENT DISTRIBUTION AND SPLIT FACTOR FOR GROUNDING GRID DESIGN OF HV SUBSTATIONS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2008;32(B3):205-221. Available from: https://sid.ir/paper/62418/en

IEEE: Copy

N. RAMEZANI, and S.M. SHAHRTASH, “A COMPLETE PROCEDURE TO DETERMINE EARTH FAULT CURRENT DISTRIBUTION AND SPLIT FACTOR FOR GROUNDING GRID DESIGN OF HV SUBSTATIONS,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 32, no. B3, pp. 205–221, 2008, [Online]. Available: https://sid.ir/paper/62418/en

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