GATE EE 2014 Set 3 — Question 51
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Power Systems → Transmission Line Performance → Short, Medium & Long Line Models
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Question
For a 400 km long transmission line, the series impedance is and the shunt admittance is . The magnitude of the series impedance (in ) of the equivalent circuit of the transmission line is _________.
Correct answer
186 to 188
Solution
Given:
Length km.
Series impedance per unit length .
Shunt admittance per unit length .Total series impedance .
Total shunt admittance .Propagation constant rad.The series impedance of the equivalent circuit is given by:
.The magnitude is .
Length km.
Series impedance per unit length .
Shunt admittance per unit length .Total series impedance .
Total shunt admittance .Propagation constant rad.The series impedance of the equivalent circuit is given by:
.The magnitude is .
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