FIELD: electrical engineering. SUBSTANCE: method includes laying of grounding mesh into soil to depth of hazardous zone of current spreading field over ground surface in compliance with expression Rinz=(1/7÷1/8)Rmax, where Rmax is maximum radius of current spreading field over ground surface. EFFECT: improved efficiency of method. 5 dwg
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Authors
Dates
1994-04-15—Published
1991-12-13—Filed