Ieee Std 80 2013 |link| May 2026

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)

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 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 ieee std 80 2013

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

13.1 Acceptance tests 13.2 Periodic testing 13.3 Ground resistance measurement (fall-of-potential method)

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