IEEE Std 81-2012 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, a. Grounding System 接地系统接地电阻率、接地阻抗测量指南.pdf

叫叭叭叩山川10＿~ 可 『··医ilI3]罩 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System IEEE Power and Energy Society Sponso『ed by the Substations Commi忧ee IEEE IEEE Std 81-2012 3 Park Avenue New York, NY 10016-5997 (Revision of USA IEEE Std 81 - 1983) 28 December 2012 IEEE Std 81 ™-2012 (Revision of IEEE Std 81-1983) IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System Sponso「 Substations Committee of the IEEE Power and Energy Society App『oved 5 December 2012 IEEE-SA Standards Boa『d Approved 3 October 201 4 American National Standards Institute Abstract: 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 『esi stance or impedance of the ground system to remote earth, measuring the tr百nsient or surge impedance of the ground system to remote ea时h, measuring step and touch vo ltages. ve rifying the integrity of the grounding system . reviewing common methods for performing ground testi ng，『evi ewi ng instrumentation characteristics and limitations. and reviewing va rious factors that can distort test measurements. Keyw。，ds: electrical meas