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IEEE Approved Draft Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
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STANDARD published on 17.9.2025
Designation standards: IEEE P81
Publication date standards: 17.9.2025
SKU: NS-1225264
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEEE
Revision Standard - Active - Draft.
Practical test methods and techniques are presented for measuring the electrical characteristics of grounding systems. 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 touch and step voltages, verifying the integrity of the grounding system, reviewing common methods for performing ground testing, reviewing instrumentation characteristics and limitations, and reviewing various factors that can distort test measurements.
ISBN: 979-8-8557-2009-9, 979-8-8557-2009-9
Number of Pages: 170
Product Code: STDUD27815, STDAPE27815
Keywords: electrical measurements, ground impedance, ground potential rise, ground resistance, ground testing, IEEE 81TM, remote earth, soil resistivity
Category: Substation
Draft Number: P81/D4, Jan 2025 - UNAPPROVED DRAFT, P81/D4, Jan 2025 - APPROVED DRAFT
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