Jun 19, 2018 - Abstract—Thispaper describes the design ofan earthing system for aGas Insulated Switchgear (GIS) substation using. CYMGRD software. Home / Download Center / Electrical Software / Earthing Mat Design For. Free: Download. In the design procedure for earthing it is said that as we doubles the.

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Input fields As per ANSI/IEEE Std 80-1986 code • Length of Area Occupied by Earthing Grid • Width of Area Occupied by Earthing Grid • Fault level at Incoming Bus • Incoming Voltage • Outgoing Voltage • Soil Resistivity • Resistance of Main Earthing Mat • Resistance of surface Material (Crushed Rock ) • Thickness of Surface Material (Crushed Rock) • Depth of Earthing Grid Conductor • Diameter of Earthing Grid Conductor • Reference Depth of Grid • Spacing between Parallel Conductor of Grid What this Spreadsheed does? • Program is design as per ANSI/IEEE 80-1986 Code • Calculate Step Potential of Switch yard • Calculate Touch Potential of Switch yard • Calculate Total Length of Earthing Mat Conductor • Calculate Size of Earthing Mat Conductor • Calculate Total No of Earthing Rods.