Ieee Std 80 2013 «2026 Release»

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)

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 ieee std 80 2013

8.1 Allowable touch voltage 8.2 Allowable step voltage 8.3 Reduction factors (e.g., crushed rock surface layer) Overview 1

9.1 Preliminary grid design 9.2 Resistance of grounding grid 9.3 Maximum grid current (I G ) 9.4 Mesh voltage (E m ) calculation (Sverak's method) 9.5 Step voltage (E s ) calculation 9.6 Voltage gradient distribution 9.7 Refinement of grid design (iterative process) ieee std 80 2013

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

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