A perUnit value of 4ohm.Resistor at 100MVA base 10KV base voltage is?
Given data:
R= 4ohm
MVA = 100
KV = 10
Solution:
Find the base impedance
Zb = (10)^2 / 100 = 1
= 4/1
= 4ohm
Surge Impedance and Surge Impedance Loading
Solution: Surge Impedance: Impedance of the transmission line without losses is called Surge Impedance. Zs = √(L/C). Surge Impedance Loading: The power delivered by the line to a purely resistive load equal to it's surge impedance or the load at which inductive and capacitive,reactive volte amphere are equal and opposite this is called surge impedance loading. SIL = VsVr / Zs
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