Three purely resistive loads, each of 50 ohms, are connected in wye to a three-phase, 120-V supply. Three inductive coils, each of reactance 75 ohms connected in delta are also connected to the supply. Calculate: (A) Line-currents: ● la L Ib L Ic (B) power factor of the system (Assume a phase sequence of an-bn-cn.)

Three purely resistive loads, each of 50 ohms, are connected in wye to a three-phase, 120-V supply. Three inductive coils, each of reactance 75 ohms connected in delta are also connected to the supply. Calculate: (A) Line-currents: ● la L Ib L Ic (B) power factor of the system (Assume a phase sequence of an-bn-cn.)

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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