Understanding Voltage Discrepancies in Transmission Lines: A Brief Overview

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SUMMARY

The discussion centers on voltage discrepancies in transmission lines, specifically addressing a confusion regarding the voltage at the load being half the line voltage as depicted in figure 16.2 of a referenced book. Participants clarified that in a lossless transmission line with matched load, the voltage at the load should equal the voltage at the start of the line, eliminating reflections. The confusion arises from misinterpretation of the diagram, which may contain inaccuracies.

PREREQUISITES
  • Understanding of transmission line theory
  • Familiarity with lossless transmission line concepts
  • Knowledge of voltage reflection and matching load principles
  • Basic grasp of electrical engineering diagrams and transients
NEXT STEPS
  • Study the principles of voltage reflection in transmission lines
  • Review lossless transmission line equations and their applications
  • Examine transient analysis in electrical engineering
  • Investigate common errors in electrical engineering diagrams
USEFUL FOR

Electrical engineers, students studying transmission line theory, and professionals involved in power systems analysis will benefit from this discussion.

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I was reading about transmission lines. I thought if the line and load are matched, then the voltage on the line will be equal to the voltage on the load. But fig 16.2 (page 1000) in the book here, the voltage at load is half the line voltage. I don't get it!
Book link-
(click the contents link and then click 'Transients on transmission lines')
http://books.google.com/books?id=2C...resnum=2&ved=0CBAQ6AEwAQ#v=onepage&q=&f=false
 
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It appears to be a mistake in the diagram.

The line is lossless so the voltage at the start of the line should be same as at the load end. Since the load is matched to the line, there will be no reflections, so the voltage across the load will be the same as at the start of the line.
 
Thanks vk6kro. I was struggling with transients, I google and I get this diagram which confused me even more!
 

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