€600

Overvoltage and insulation coordination - Online classroom

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Overvoltage and insulation coordination - Online classroom

About this Event

in our Power Consulting course from wherever you are!

  • Live training with our experienced teachers.
  • Dynamic classes in an interactive virtual environment.
  • Q&A sessions after each class.

LIVE CLASS TIME:

Day 1 & Day 2: 9am - 11am & 1pm-3pm UTC Time

Overvoltage and insulation coordination (8 hours, 600 euros, 5-6 November 2020 @ 9am UTC)

Insulation Coordination

Introduction to the insulation coordination

  • Standards and bibliography
  • Standard tests
  • Insulation coordination procedures
  • Insulation levels

Temporary overvoltage (TOV)

  • Single phase to ground faults
  • Load rejection
  • No load line
  • Resonance and ferro resonance

Fast front Lightning overvoltage

  • Lightning strike
  • Travelling waves theory
  • Lattice diagram: Reflection-refraction diagrams

Slow front overvoltage

  • Basic concepts
  • Overhead lines: energization and reclosing phenomena
  • Trip of small inductive loads
  • Trip of capacitive loads
  • Fault tripping procedure and effects: transient recovery voltage

Insulation levels selection and coordination

  • Standards
  • Insulation materials and overvoltage
  • Types and definitions
  • Normal distribution
  • Weibull distribution
  • Sparking distribution voltages and overvoltage
  • Insulation coordination
  • Coordination withstand voltages
  • Required withstand voltages
  • Test conversion rates
  • Minimum clearing distances
  • Insulation and substation distances
  • String insulators
  • String insulators creapage line
  • Post insulators

Protection equipment. Surge arresters

  • Standards
  • Protection equipment against overvoltage
  • General features
  • Spark gaps
  • Surge arresters
  • Characteristics of metal oxide surge arresters
  • Overhead line protection with surge arresters

Insulation coordination. Substation case study

Shielding

  • Introduction to lightning strike phenomenon
  • Standards and bibliography
  • Lightning strike
  • Travelling waves
  • Shielding
  • Electro-geometric model shielding method (EGM)
  • Overhead line shielding
  • Substation shielding
  • CENELEC shielding method
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Eventbrite's fee is nonrefundable.

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