An underground paper -insulated, copper conductor cable is used to supply a 2 MVA 11 kV transformer from a utility supply which is 3 km away. The depth of burial of the cable is 1.5 m. Ground thermal resistance is 2.5 Km/W. The ground temperature is 30°C and there are no other cables in the trench.calculate a) full load current and cable size to limit voltage drop below 2.5%

An underground paper -insulated, copper conductor cable is used to supply a 2 MVA 11 kV transformer from a utility supply which is 3 km away. The depth of burial of the cable is 1.5 m. Ground thermal resistance is 2.5 Km/W. The ground temperature is 30°C and there are no other cables in the trench.calculate a) full load current and cable size to limit voltage drop below 2.5%

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 3.56P: Three single-phase two-winding transformers, each rated 3kVA,220/110volts,60Hz, with a 0.10 per-unit...

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