11.15 An acb sequence balanced three-phase Y-connectedsource supplies power to a balanced, three-phase A-connected load with an impedance of 12 + j9 2/4.The source voltage in the b-phase is 240/-50° V.The line impedance is 1 + jl 2/4. Draw the singlephase equivalent circuit for the a-phase and use it tofind the current in the a-phase of the load.

Phase sequences acb Load impedance Z= 12+9j Source voltage in phase b = 240∠-50 V Then find current…

1.15 An acb sequence balanced three-phase Y-connected source supplies power to a balanced, three-phase A- connected load with an impedance of 12 + j9 N/4. The source voltage in the b-phase is 240/-50° V. The line impedance is 1 + jl 2/6. Draw the single phase equivalent circuit for the a-phase and use it to find the current in the a-phase of the load.

1.15 An acb sequence balanced three-phase Y-connected source supplies power to a balanced, three-phase A- connected load with an impedance of 12 + j9 N/4. The source voltage in the b-phase is 240/-50° V. The line impedance is 1 + jl 2/6. Draw the single phase equivalent circuit for the a-phase and use it to find the current in the a-phase of the load.

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 3.43P: Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series...

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