Design and Construction of Earthing In HV Laboratory at JDEVS

سال انتشار: 1394
محل انتشار: دومین کنفرانس سراسری توسعه محوری مهندسی عمران ، معماری ، برق و مکانیک ایران
کد COI اختصاصی: DCEAEM02_045
زبان مقاله: انگلیسی
تعداد مشاهده: 680

نویسندگان

High Voltage Engineering Center ACECR Tehran, Iran

چکیده

this paper investigates about design and Improvement of grounding system in high voltage laboratory at JDEVS. High voltage laboratory of JDEVS has eight well with copper plat around the laboratory that have been connected in grid connection. Each well has 12 meter long. Total resistance of this grounding was about 2 ohms. So a well has been delved about 24 meters in the center of laboratory that reached the water. After water outing, copper plat andspecial material was putted. In this case grounding resistance was measured about 0.4 ohm. The grounding of each equipment was connected to ground using copper strips which placed on the concrete floor that was shown in Fig.1. In this paper, the influence of the number of wells and effect of copper strip’s width has been investigated. For example Investigate with ETAP software shows that if copper strip’s width increase, the grounding characteristic will be improved. In the last effect of grounding system’s capacitor on test ability has been studied and Applicable methods for that have been proposed

کلیدواژه ها

Grounding System, Plates, Concrete, ETAP Software, Stray Capacitor

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