A 5 kVA single-phase transformer shown in the Figure Q3(a) is connected to a 2.5 kV supply. The primary and secondary winding turns are 1000 and 100 respectively. Compute the following: i. secondary current; i. load resistance which can be connected across the secondary winding: . primary current. Q3(a) AC voltage Load source Primary Winding Secondary Winding Figure Q3(a)

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
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please I want an answer q 3 [ a ]
A 5 kVA single-phase transformer shown in the Figure Q3(a) is connected to a 2.5 kV
supply. The primary and secondary winding turns are 1000 and 100 respectively.
Compute the following:
i. secondary current;
i. load resistance which can be connected across the secondary winding:
i. primary current.
Q3(a)
AC voltage
Load
source
Primary
Winding
Secondary
Winding
Figure Q3(a)
Calculate the inductance of the coil shown in Figure Q3(b), which has a cylindrical iron core
with relative permeability of 2000. The number of turns of the coil is 200. The core has length
(b)
of 200mm and the diameter of 5mm. Permeability of free space=4x10-7H/m
A
`Core
material
Figure Q3(b)
Transcribed Image Text:A 5 kVA single-phase transformer shown in the Figure Q3(a) is connected to a 2.5 kV supply. The primary and secondary winding turns are 1000 and 100 respectively. Compute the following: i. secondary current; i. load resistance which can be connected across the secondary winding: i. primary current. Q3(a) AC voltage Load source Primary Winding Secondary Winding Figure Q3(a) Calculate the inductance of the coil shown in Figure Q3(b), which has a cylindrical iron core with relative permeability of 2000. The number of turns of the coil is 200. The core has length (b) of 200mm and the diameter of 5mm. Permeability of free space=4x10-7H/m A `Core material Figure Q3(b)
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