diagram, s mai in per-unit. as base values. The ratings of the components are: G: 40MVA, 25kV, X" = 20% 3 phase transformer T1= 20 MVA, 220/25 kV, X-15% 3 phase transformer T2= 30 MVA, 220/11 kV, X-15% Motor: 50 MVA, 11 kV, X"-20% 30 km Transmission line: Series reactance X =j 60 2 30 km T1 T2 Line G M ele

diagram, s mai in per-unit. as base values. The ratings of the components are: G: 40MVA, 25kV, X" = 20% 3 phase transformer T1= 20 MVA, 220/25 kV, X-15% 3 phase transformer T2= 30 MVA, 220/11 kV, X-15% Motor: 50 MVA, 11 kV, X"-20% 30 km Transmission line: Series reactance X =j 60 2 30 km T1 T2 Line G M ele

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 3.26P: A bank of three single-phase transformers, each rated 30MVA,38.1/3.81kV, are connected in Y- with a...

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A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding short-circuited, rated current flows when the voltage applied to the primary is 5.5 kV. The power input is read as 100 kW. Determine Req1andXeq1 in ohms referred to the high-voltage winding.
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A voltage transformer in Figure 8 has 1,500 turns of wire on its primary winding and 500 turns of wire for its secondary winding. What will be the turns ratio, a of the transformer. If 240 volts is applied to the primary winding, what will be the resulting secondary voltage. And if a 400 n resistor is connected to the secondary winding, what are the values of current Is and Ip. primary Vp Transformer Core NF Ns Figure 8 secondary Vs
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