Distribution systems

Why distribution system has high r/x ratio

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ALBIN THADEUS

  • Oct 23rd, 2012
 

X/R ration means (line reactance/line resistance)
for short transmission lines it is X/R<3.0
long lines it is >3.0
because long lines length of transmission line is due to
this inductance is more(L directly proportional to length of
line)
for short lines L is low due to this X is low (X=2∏FL)
some value divides low vale it is always high(ex: 1/0.1=10)

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