Concept explainers
Figure 4.34 shows double-circuit conductors' relative positions in segment I of transposition of a completely transposed three-phase overhead transmission line. The inductance is given by
Where
With mean distances defined by equivalent spacings
And
Now consider a 345-kV, three-phase, double-circuit line with phase-conductor’s GMR of 0.0588 ft and the horizontal conductor configuration shown in Figure 4.35.
- Determine the inductance per meter per phase in Henries (H).
- Calculate the inductance of just one circuit and then divide by 2 to obtain the inductance of the double circuit.
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MindTap Engineering for Glover/Overbye/Sarma's Power System Analysis and Design, 6th Edition, [Instant Access], 1 term (6 months)
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- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning