Ieee Std 80 2013 May 2026

10.1 Grounding of substation fence 10.2 Transfer potentials (conductors leaving substation) 10.3 Grounding of metallic structures 10.4 Seasonal variation of soil resistivity 10.5 Galvanic corrosion

6.1 Division of fault current between grid and neutral 6.2 Asymmetrical current factor (decrement factor) 6.3 Current split factor (grid current vs. remote earth) ieee std 80 2013

4.1 Objectives of grounding 4.2 Tolerable body current limits 4.3 Effect of frequency on body impedance 4.4 Criteria for tolerable touch and step voltages Overview 1

7.1 Conductor material and corrosion 7.2 Thermal capacity 7.3 Mechanical strength 7.4 Conductor size calculations (based on fusion temperature) ieee std 80 2013

5.1 Design parameters 5.2 Fault current considerations 5.3 Fault duration 5.4 Soil resistivity 5.5 Resistivity measurement techniques (Wenner four-pin method) 5.6 Crushed rock surface layer resistivity

This standard is the definitive guide for designing substation grounding systems to protect personnel from electric shock hazards. 1. Overview 1.1 Scope 1.2 Purpose 1.3 Application

12.1 Small substation grid design 12.2 Large substation with multiple soil layers