The parameters of a transposed overhead transmission line are given as-Self reactance Xs - 0-4 -km and mutual reactance Xm - 0-1 -kmThe positive sequence reactance X1 and zero sequence reactance X0- respectively- in -km are

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Sequence Networks of Transmission Lines, Synchronous Generator, Synchronous Motor

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Question

The parameters of a transposed overhead transmission line are given as:

Self reactance $X_{s}$ = 0.4 $Ω$ /km and mutual reactance $X_{m}$ = 0.1 $Ω$ /km

The positive sequence reactance $X_{1}$ and zero sequence reactance $X_{0}$ , respectively, in $Ω$ /km are

0.3, 0.2

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0.5, 0.2

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0.5, 0.6

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0.3, 0.6

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Solution

The correct option is A 0.3, 0.2
For transmission line

Positive sequence reactance,

$X_{1}$ = $X_{s} - X_{m}$

$= 0.4 - 0.1 = 0.3 Ω$ /km

Zero sequence reactance,

$X_{0}$ = $X_{s} + 2 X_{m}$

$= 0.4 + 0.2 = 0.6 Ω$ /km

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The parameters of a transposed overhead transmission line are given as: Self reactance Xs = 0.4 Ω/km and mutual reactance Xm = 0.1 Ω/km The positive sequence reactance X1 and zero sequence reactance X0, respectively, in Ω/km are

The correct option is A 0.3, 0.2For transmission line Positive sequence reactance, X1 = Xs−Xm =0.4−0.1=0.3 Ω/km Zero sequence reactance, X0 = Xs+2Xm =0.4+0.2=0.6 Ω/km

The parameters of a transposed overhead transmission line are given as:

Self reactance $X_{s}$ = 0.4 $Ω$ /km and mutual reactance $X_{m}$ = 0.1 $Ω$ /km

The positive sequence reactance $X_{1}$ and zero sequence reactance $X_{0}$ , respectively, in $Ω$ /km are

The correct option is A 0.3, 0.2
For transmission line

Positive sequence reactance,

$X_{1}$ = $X_{s} - X_{m}$

$= 0.4 - 0.1 = 0.3 Ω$ /km

Zero sequence reactance,

$X_{0}$ = $X_{s} + 2 X_{m}$

$= 0.4 + 0.2 = 0.6 Ω$ /km