Practical test methods and techniques are presented for measuring the electrical characteristics of grounding systems. Ieee standard 81tm 2012 ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system. Ieee 812012 ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system standard by ieee, 12282012. Ieee guide for safety in ac substation grounding ieee std 802000. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system sponsored by the substations committee ieee 3 park avenue new york, ny 100165997 usa 28 december 2012 ieee power and energy society ieee std 81 2012 revision of ieee std 811983. Ieee disclaims liability for any personal injury, property or other damage, of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon any ieee standard document. A grounding electrode is defined as a conductor embedded in the earth, used for maintaining ground potential on conductors connected to it, and for dissipating into the earth current conducted to it. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system sponsor power system instrumentation and measurements committee of the ieee power engineering society ieee standards board american national. Click here to purchase the full version from the ansi store. R 2018 standard practice for specifying color by the munsell system institute of electrical and electronics engineers ieee ieee 81 2012 guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system ieee 100 2000. Members support ieees mission to advance technology for humanity and the profession, while memberships build a platform to introduce careers in technology to students around the world.
Ansiieee std 802000, ieee guide for safety in ac substation grounding. References to the ieee green book, ieee standard 1422007, ieee standard 812012 and. Eee guide for measuring earth resistivity, ground impedance. Ieee std 8020 revision of ieee std 802000incoporates ieee std 8020cor 12015 ieee guide for safety in ac substation. Transition duration is defined as the difference between two reference level instants of the same transition. Ieee 812012 ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system. Ansiieee std 811983 revision of ieee std 811962 an american national standard ieee guide for measuring earth resistivity, ground impedance, and. Netaworld 7 tech tips references ieee standard std.
Topics addressed include safety considerations, measuring earth resistivity, measuring the power system frequency resistance or impedance of the ground system to remote earth, measuring the transient or surge impedance of the ground system to remote earth, measuring step. This document contains the detailed information of the standard ieee 811983. According to ieee std1812011, ieee standard for transition, pulses, and related waveforms, the term rise and fall time has been replaced by transition duration measurement, positive and negative. Astm b187b187m 2016 standard specification for copper, bus bar, rod and shapes and general purpose rod, bar and shapes institute of electrical and electronics engineers ieee ieee 81 2012 guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system ieee c2 2017. Ieee 81 2012 ieee guide for measuring earth resistivity. Measurements of impedance to remote earth, step and touch potentials, and current distributions are covered for grounding systems ranging in complexity from small grids less than 900m 2, with only a few connected overhead or direct burial bare. Ieee std 4872007, recommended practice for the protection of wireline communication facilities serving electric supply locations. Ieee std 812012 eee guide for measuring earth resistivity, ground impedance, and earth surface potentials of ground systems ieee std 1422007. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system redline. Ansi ieee std 802000, ieee guide for safety in ac substation grounding. Ieee std 10152006 blue recommended practice for applying lowvoltage circuit breakers used in industrial and commercial power systems.
Ieee std 81 2012 guide for measuring earth resistivity, grou. Ieee std 9981996, ieee guide for direct lightning stroke shielding of substations. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system sponsored by the substations committee ieee 3 park avenue new york, ny 100165997 usa 28 december 2012 ieee power and energy society ieee std 81. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system sponsored by the substations committee ieee 3 park avenue new york, ny 100165997 usa 28 december 2012 ieee power and energy society ieee std 81\u21222012 revision of ieee std 811983 authorized licensed use limited to.
Ieee 6711985 r2008standard specification format guide and test procedure for nongyroscopic inertial angular sensors. Ieee fall of potential fop the institute of electrical and electronics engineers ieee standard 812012 guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system suggests that the fallofpotential fop grounding test be used to evaluate the capacity of an electrical grounding system. Practical instrumentation methods are presented for measuring the ac characteristics of large, extended or interconnected grounding systems. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system. Ieee standards association ieee sa is a leading consensus building organization that nurtures, develops and advances global technologies, through ieee. An overview of the ieee standard 81 fallofpotential grounding.
Pdf ieee guide for measuring earth resistivity, ground. Simple online access to standards, technical information and regulations. Ieee std 81 2012, ieee guide for measuring earth resistivity, ground. Ieee xplore, delivering full text access to the worlds highest quality technical literature in engineering and technology. Topics addressed include safety considerations, measuring earth resistivity, measuring the power system f. Ieee xplore 812012 ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system ieee standard. Ieee 812012 ieee guide for measuring earth resistivity. Ieee std 81 2012 ieee guide for measuring earth resistivity,ground impedance,and earth surface potentials of a grounding system,ieee std 812012 ieee guide for measuring earth resistivity,ground impedance,a, boxue58. Ieee std 812012, ieee guide for measuring earth resistivity. Impedance, and earth surface potentials of a grounding. Par approved, modified, or extended expires wg letter ballots. Ieee std 8020 guide for safety in ac substation grounding ieee std 812012 guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system ieee std 3672012 recommended practice for determining the electric power substation ground potential rise and induced voltage from a power fault.
The existence of an ieee standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to the scope of the ieee. Find standards, standards in development, learn about the standards development lifecycle, and much more. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system ieee on. Ieee guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system purpose the purpose of this guide is to present practical instrumentation methods that may be used for measuring soil resistivity, the impedance to remote earth, step and touch voltages, and current distributions in ground grids. The technique of measuring ground resistance and impedance, earth resistivity, potential gradients from currents in the earth, and the prediction of the magnitudes of ground resistance and potential gradients from scale model tests are. The institute of electrical and electronics engineers ieee standard 812012 guide for measuring earth resistivity, ground impedance, and.
We bring together a broad range of individuals and organizations from a wide range of technical and geographic points of origin to facilitate standards development and standards related collaboration. The institute of electrical and electronics engineers ieee standard 812012 guide for measuring earth resistivity, ground impedance, and earth surface potentials of a grounding system, suggests the fallofpotential grounding test to be used to evaluate the capacity of an electrical grounding systemit is often used by subcontractors to power engineers. A one day training seminar references ieee std 812012 eee guide for measuring earth resistivity, ground impedance, and earth surface potentials of ground systems ieee std 1422007 ieee recommended practice for grounding of industrial and commercial power systems 2014 nec. Ansiieee std 811983 revision of ieee std 811962 an. Veja gratis o arquivo ieee std 81 2012 guide for measuring earth resistivity, ground. An overview of the ieee standard 81 fallofpotential. May 18, 2014 ieee pes std 812012 tutorial 1 substations technical committee annual meeting portland, oregon, usa may 1822, 2014 the institute of electrical and electronics engineers, inc. The existence of an ieee standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to the scope of the ieee standard. Ieee access is an awardwinning, multidisciplinary, allelectronic archival journal, presenting the results of original research or development. This introduction is not part of ieee std 812012, ieee guide for measuring earth resistivity, ground. Ieee membership offers access to technical innovation, cuttingedge information, networking opportunities, and exclusive member benefits. Project authorization request par task group and activity.