A power supplies 520 kW [note units] of power to a factory through wires with a transmission resistance (loss) of 3.0 Ω. a. How much power is lost in transmission if the electricity is delivered at 12,000 V? b. Determine the efficiency (%) of transmission at 12,000 V. c. How much power is lost in line transmission if the electricity is delivered at 50,000 V? d. Determine the efficiency (%) of transmission at 50,000 V. e. Which transmission voltage is more efficient? Primary TransmissionGenerating Station11, 11.5, 12 or 13kV220 or500 kV3 Phase 3 Wire Systemhttplelectricaltechnologyorg/Step-Up Transformer(Power Transformer)Secondary Tranşmission3 Phase 3 Wire SystemStep-DownTransformep220 or 500V/ 132 Or 66 kNhttp://electricaltechnology.org/Step-DownTransformer132 or 66 kV I 11 kV11kV/ 400 & 230 V3 Pase 4 Wire System3 Phase 3 Wire SystemPrimaryDistributionSecondaryDistributionDistributionTransformerhttp://elecricaltechnoogy.oDesign By:Engr Wasim KhanResidential ConsumersCopyright Material @ http://electricaltechnology.org/

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A power supplies 520 kW [note units] of power to a factory through wires with a transmission resistance (loss) of 3.0 Ω. a. How much power is lost in transmission if the electricity is delivered at 12,000 V? b. Determine the efficiency (%) of transmission at 12,000 V. c. How much power is lost in line transmission if the electricity is delivered at 50,000 V?

A power supplies 520 kW [note units] of power to a factory through wires with a transmission resistance (loss) of 3.0 Ω. a. How much power is lost in transmission if the electricity is delivered at 12,000 V? b. Determine the efficiency (%) of transmission at 12,000 V. c. How much power is lost in line transmission if the electricity is delivered at 50,000 V?

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 3.21MCQ: In order to avoid difficulties with third-harmonic exciting current, which three-phase transformer...

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