Lightning protection of smart grids

William A. Chisholm, Kenneth L. Cummins

Research output: Chapter in Book/Report/Conference proceedingChapter


In this chapter, a broad view of ‘lightning protection’ includes the use of lightning in all proactive protection strategies. A summary of measurement technologies used on electric power systems and achievements of research campaigns will show the origins of some traditional surge waveforms, such as the 1.2/50 standard lightning impulse voltage wave, from nearly 100 years ago. Some of these methods and many results still apply to present-day Smart Grid component protection. The authors also cover the sequential evolution of the following: traditional travelling wave systems (TWS) for finding faults along individual cables and lines, from 1940s; the modern LLS based on travelling waves in two dimensions, from 1980s; and the recent wide-area power system monitoring and measurement systems, using time-synchronized measurements of voltage and current phasors (synchrophasors) from 2005, classed as a ‘Smart Grid’ initiative.

Original languageEnglish (US)
Title of host publicationLightning Interaction with Power Systems
PublisherInstitution of Engineering and Technology
Number of pages38
ISBN (Electronic)9781839530920
StatePublished - Jan 1 2020


  • 1.2/50 standard lightning impulse voltage wave
  • Current measurement
  • Current phasor measurement
  • Electric current measurement
  • Fault location
  • Lightning protection
  • Lightning protection
  • Measurement technologies
  • Phasor measurement
  • Power system faults
  • Power system measurement
  • Power system measurement and metering
  • Power system protection
  • Proactive protection strategies
  • Smart grid component protection
  • Smart grid initiative
  • Smart power grids
  • Synchrophasor measurement
  • Time-synchronized measurements
  • Traditional surge waveforms
  • Traditional travelling wave systems
  • Voltage measurement
  • Voltage measurement
  • Voltage phasor measurement
  • Wide-area power system measurement
  • Wide-area power system monitoring

ASJC Scopus subject areas

  • General Engineering


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