Slide Presentations for ECE 329, Introduction to Electromagnetic Fields, to supplement

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Slide Presentations for ECE 329,Introduction to
Electromagnetic Fields,to supplement Elements
of Engineering Electromagnetics, Sixth Edition

• by
• Nannapaneni Narayana Rao
• Edward C. Jordan Professor of Electrical and
  Computer Engineering
• University of Illinois at Urbana-Champaign,
  Urbana, Illinois, USA
• Distinguished Amrita Professor of Engineering
• Amrita Vishwa Vidyapeetham, Coimbatore, Tamil
  Nadu, India

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• 6.5
• Lines with Initial Conditions

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• Line with Initial Conditions

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• Example

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• Uniform Distribution

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• t 0.5 mS
• t 1.5 mS

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• t 2.5 mS

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• Bounce Diagram Technique for
• Uniform Distribution

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• Energy Storage in Transmission Lines
• we, Electric stored energy density
• We, Electric stored energy

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• wm, Magnetic stored energy density
• Wm, Magnetic stored energy

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• Check of Energy Balance
• Initial stored energy

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• Energy dissipated in RL

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• Another Example
• System in steady state at t 0.

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• t 0 steady state

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• t 0

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• Solving, we obtain

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• Voltage

G 0
G 0
tV 1
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• Current

G 0, tC 1
tCeff 0.5
G 0
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• t 3 ms New steady state

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• t 3 ms