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ECE 6608PD

Dielectrics and Electrical Insulation

Graduate

Spring 2024

Topics

  • Gaseous Dielectrics
  • Description
  • No. of Lectures
  • Breakdown in uniform electric fields under static fields
  • Internal and Surface Discharges Internal and Surface Discharges, detection methods, chemical, acoustic, optical and electrical. Three capacitance model, discharge in cavities, Electric field enhancement, some practical examples, cable terminations, stat or coils, and bushings. Treeing: electrical trees, and water trees. Practical Systems Description

Readings

  • High Voltage Engineering _ Fundamentals, 2 nd Edition, E. Kuffel, W. S. Zaengl, and Kuffel, J. Oxford ; Boston; Newnes, 2000.
    unspecified
  • Insulators for High Voltages, J. S. T. Looms, IEE Monograph, 1988.
    unspecified
  • 1. Lecture Notes.
    unspecified
  • 4. Selected papers from the field of Dielectric Materials and Electrical Insulation. These papers will be posted on LEARN.
    unspecified
Undated

Topics

  • Gaseous Dielectrics
  • Liquid Dielectrics
  • Solid Dielectrics
  • Theory of gases; Ionization by collision, photoionization, thermal ionization and ionization by x-rays and cosmic rays; Deionization due to recombination, negative; ion formation, and diffusion
  • Behavior of charged particles in electric fields of low E/P and high E/P (E = electric field and P = pressure)
  • Townsend mechanism, secondary effect, streamer formation, self-sustained discharges to breakdown
  • Breakdown in non-uniform fields, temporal development of breakdown, partial breakdown or corona discharges
  • Types of liquid insulating materials, their electrical, thermal, and chemical properties
  • Charge transport; breakdown mechanisms; effects of impurities on breakdown strength
  • Electrohydrodynamics and its influence on breakdown mechanisms in liquids
  • Streaming electrification
  • Sources of current carriers
  • Surface discharges; thermal, electrochemical, electromechanical
  • Intrinsic breakdown strength of solids
  • Tracking and breakdown of solids due to discharges

Readings

  • S. Stoft, Power System Economics: Designing markets for electricity, Wiley-Interscience, 2002.
    unspecified
  • A. J. Wood and B. F. Wollenberg, Power generation, operation and control, Wiley-Interscience, 2nd Edition, 1996.
    2nd Edition · unspecified
  • K. Bhattacharya, M.H.J. Bollen and J.E. Daalder, Operation of restructured power systems, Kluwer Academic Publishers, 2001
    unspecified
  • M. Shahidehpour, H. Yamin and Z. Li, Market operations in electric power systems, Wiley Interscience, 2002
    unspecified
  • D. S. Kirschen and G. Strbac, Fundamentals of power system economics, John Wiley and Sons, 2004
    unspecified
  • N. S. Rau, Optimization principles: Practical Applications to the Operation and Markets of the Electric Power Industry, Wiley-IEEE Press, 2003.
    unspecified
Sources