2) A single-phase electrical installation, supplied by a voltage of 220V;50Hz, includes in parallel: - 1 single-phase motor of useful power P = 736W, of efficiency n = 0.8 and of power factor cosp = 0.85. - 6 incandescent lamps of 100W each. - 1 electric heater of power 1200W. a) Calculate the total active power of the installation. b) Calculate the total reactive power of the installation. c) Calculate the intensity of the total current.

2) A single-phase electrical installation, supplied by a voltage of 220V;50Hz, includes in parallel: - 1 single-phase motor of useful power P = 736W, of efficiency n = 0.8 and of power factor cosp = 0.85. - 6 incandescent lamps of 100W each. - 1 electric heater of power 1200W. a) Calculate the total active power of the installation. b) Calculate the total reactive power of the installation. c) Calculate the intensity of the total current.

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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