3. A 12020⁰ Vrms is to supply power to a welder, heater and an induction motor. A welder is a coil of (4+j3) ohm, the induction motor draws 60KW with 0.8 power factor, and the heater is a resistor that draws 15KW power. Find the complex power, real power, reactive power and the total power factor that must be supplied by source. If a capacitor will be used to supply a reactive power in the circuit in order that the net load will have a unity power factor, what reactive power must be supplied by the capacitor? Draw the circuit.

3. A 12020⁰ Vrms is to supply power to a welder, heater and an induction motor. A welder is a coil of (4+j3) ohm, the induction motor draws 60KW with 0.8 power factor, and the heater is a resistor that draws 15KW power. Find the complex power, real power, reactive power and the total power factor that must be supplied by source. If a capacitor will be used to supply a reactive power in the circuit in order that the net load will have a unity power factor, what reactive power must be supplied by the capacitor? Draw the circuit.

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 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...

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