Software tools for the lightning performance assessment

Software tools for the lightning performance assessment

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This chapter describes two of the most adopted software tools for the evaluation of the lightning performance of transmission and distribution lines, namely FLASH and LIOV-EMTP (Lightning Induced OverVoltage - ElectroMagnetic Transient Program), together with some application examples. The FLASH program has been developed by IEEE Working Groups. LIOV-EMTP is the result of the integration between the EMTP and the LIOV code, developed by Alma Mater Studiorum - University of Bologna (Italy), Ecole Polytechnique Federale de Lausanne - EPFL (Switzerland), with the support of University of Rome `La Sapienza' and of Centro Elettrotecnico Sperimentale Italiano `G. Motta' CESI S.p.A. (Italy).

Chapter Contents:

  • 12.1 Introduction
  • 12.2 FLASH program
  • 12.2.1 Simplified modelling of shielding and backflashover calculations
  • 12.2.2 Adoption of 'red book' method by IEEE, 1982–85
  • 12.2.3 Adjustments of IEEE FLASH program, 1985–93
  • 12.2.4 Standardizing the IEEE FLASH program, 1993–97
  • 12.2.5 Maintaining the IEEE FLASH program, 1997–2007
  • 12.2.6 Developing the IEEE FLASH V2.0 program, 2007–19
  • 12.3 Lightning-induced overvoltages–electromagnetic transients program
  • 12.3.1 Interfacing LIOV with EMTP
  • 12.3.2 LIOV–EMTP input parameters
  • Return stroke model
  • LIOV lines topology and lightning stroke location
  • Line conductor geometry
  • 12.3.3 Application examples
  • 12.4 Application to a real distribution network
  • References

Inspec keywords: ultrasonic materials testing; overvoltage; power overhead lines; lightning protection; power distribution lines; EMTP; software tools; fibre optic sensors

Other keywords: lightning performance assessment; LIOV-EMTP; IEEE Working Groups; LIOV code; distribution lines; transmission lines; software tools; Alma Mater Studiorum; ElectroMagnetic Transient Program; University of Bologna; FLASH program; Ecole Polytechnique Federale; lightning induced overvoltage

Subjects: Power engineering computing; Overhead power lines; Power system protection; Distribution networks; Fibre optic sensors

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