Dielectrics and Electrical Insulation

Description

Theory of gases. Photoelectric, thermal and field emission. Ionization by collision, photoionization, thermal ionization and ionization by x-rays and cosmic rays. Deionization becuase of recombination, negative ion formation, and diffusion. Behaviour of charged particles in electric fields of low E/P and high E/P (E=electric field and P=pressure). Breakdown Processes: Townsend mechanism, secondary effect, streamer formation from self sustained discharges to breakdown, breakdown in non-uniform fields, temporal development of breakdown, partial breakdown or corona discharges. Solid and Liquid Dielectrics: Types of solid and liquid insulating materials, their electrical thermal, chemical and mechanical properties; charge transport; surface discharges; breakdown mechanisms; effects of impurities on breakdown strength. Electrohydrodynamics and its influence on breakdown mechanisms in liquids; electromechanical and intrinsic breakdown strength of solids. Recommended Background: Basic knowledge of physics of materials for Electrical Engineers (ECE 209 or equivalent). Familiarity with electrical power system components is useful. Typical terms may not reflect online offerings.  
 
Note: Check with the institution regarding start/end dates, prices, and delivery method. These may vary according to program, section, and/or semester. 

 

Overview

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  • Institution: University of Waterloo
  • Level: University
  • Language: English
  • Course Code: ECE6608PD
  • Delivery Method: Entièrement en ligne/à distance

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Disclaimer:
Check with the institution regarding start/end dates, prices, and delivery method. These may vary according to program, section, and/or semester.