The standard provides that can flow through various types and sizes of conductors for a given duration before failure due to fusing occurs, which is essential for sizing ground grid conductors appropriately.
The 2013 edition was approved by the IEEE Standards Board on , and was published on May 15, 2015 following the integration of Corrigendum 1. As of March 21, 2024 , the standard’s status was changed to “Inactive-Reserved,” meaning that while it is no longer an active standard, it has been reserved for potential future reactivation or supersession.
It is vital to understand that is a guide ; however, it is recognized as the "State of the Art" by regulatory bodies.
Estep50=(1000+6.0Cs⋅ρs)0.116tscap E sub step50 end-sub equals open paren 1000 plus 6.0 cap C sub s center dot rho sub s close paren the fraction with numerator 0.116 and denominator the square root of t sub s end-root end-fraction ieee standard 80-2013 pdf
is the maximum grid current. If the GPR is lower than the allowable touch voltage, the design is automatically safe. If it is higher, further analysis is required.
If you are comparing the 2000 version to the , look for these critical updates:
Touch voltage is the potential difference between the metallic structure being touched and a point on the earth's surface separated by a distance equal to a person's maximum horizontal reach (traditionally assumed to be 1 meter or 3.3 feet). If a fault occurs and a worker touches a grounded steel structure, their body bridges this voltage gap. 2. Step Voltage ( Estepcap E sub s t e p end-sub The standard provides that can flow through various
A: As of March 21, 2024, the standard has been placed in “Inactive-Reserved” status by the IEEE. This means it is no longer an active standard but has been reserved for potential future reactivation or supersession.
The IEEE Standard 80-2013 is a copyrighted document published by the Institute of Electrical and Electronics Engineers (IEEE). While many engineers search for a free "IEEE Standard 80-2013 PDF," it is important to obtain the document through legitimate channels to ensure you have the most accurate and up-to-date version. Official sources for the standard include:
IEEE Std 80-2013, "Guide for Safety in AC Substation Grounding," provides technical criteria for designing safe grounding systems to control touch and step voltages, covering soil resistivity and fault current division. This updated standard addresses modern safety concerns and specific challenges in gas-insulated substations (GIS) by utilizing refined equations for grid resistance and safety calculations. For the official document, see IEEE Xplore . IEEE guide for safety in AC substation grounding It is vital to understand that is a
IEEE Std 80-2013 is a substantial document, comprising of technical content. The standard is organized into the following major sections:
Compare the actual grid voltage with the tolerable voltage. If the grid voltage is higher, the grid must be redesigned—usually by increasing the number of grid rods or reducing the mesh size. Importance of the IEEE 80-2013 PDF
The appendices contain crucial, practical examples, worked-out problems, and theoretical justifications that explain why certain design choices are made.