John Undrill, Roger E. Clayton

Research output: Contribution to journalConference articlepeer-review


The authors review the effects of ground contact-resistance on the performance of overhead distributed lines. Ground contact-resistance is not negligible in many situations involving dry or rocky soil, and can affect distribution lines with respect to consumer voltage, losses under unbalanced loading, and neutral potential. It can also affect the voltages and currents that will be encountered by telephone, television, or other service cables that share electric distribution poles. The results presented are intended to be both tutorial (in pointing out effects that exist but are not recognized in routine calculation work), and supplemental to the fairly sparse fund of documentation on the numerical values associated with these effects.

Original languageEnglish (US)
Pages (from-to)C. 3. 1-C. 3. 7
JournalPapers - Rural Electric Power Conference
StatePublished - 1987

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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