oblems Assume a square-shaped distribution substation service area and that it is served by four three-phase 12.47 kV wye-grounded feeders. Feeder mains are of 2/0 copper conductors are made up of three-phase open-wire overhead lines having a geometric mean spacing of 37 in. between phase conductors. The percent voltage drop of the feeder is given as 0.0005 per KVA-mile. If the uniformly distributed load has a 4 MVA per square mile load density and a lagging-load factor of 0.9, and conductor ampacity is 360 A, find the following: (a) (b) (c) (d) Maximum load per feeder Substation size Substation spacing, both ways Total percent voltage drop from the feed point to the end of the main Repeat Problem 15 for a load density of 1000 kVA/mi. Assume that Smile

oblems Assume a square-shaped distribution substation service area and that it is served by four three-phase 12.47 kV wye-grounded feeders. Feeder mains are of 2/0 copper conductors are made up of three-phase open-wire overhead lines having a geometric mean spacing of 37 in. between phase conductors. The percent voltage drop of the feeder is given as 0.0005 per KVA-mile. If the uniformly distributed load has a 4 MVA per square mile load density and a lagging-load factor of 0.9, and conductor ampacity is 360 A, find the following: (a) (b) (c) (d) Maximum load per feeder Substation size Substation spacing, both ways Total percent voltage drop from the feed point to the end of the main Repeat Problem 15 for a load density of 1000 kVA/mi. Assume that Smile

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.37P: Three single-phase two-winding transformers, each rated 25MVA,54.2/5.42kV, are connected to form a...

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