The three loads in the circuit in Fig. P10.30 can be described as follows: Load 1 is a 240 2 resistor in series with an inductive reactance of 70 ; load 2 is a capacitive reactance of 120 2 in series with a 160 resistor; and load 3 is a 30 2 resistor in series with a capacitive reactance of 40 2. The frequency of the voltage source is 60 Hz. a) Give the power factor and reactive factor of each load. b) Give the power factor and reactive factor of the composite load seen by the voltage source. Figure P10.30 vg Load 1 Load 2 Load 3
The three loads in the circuit in Fig. P10.30 can be described as follows: Load 1 is a 240 2 resistor in series with an inductive reactance of 70 ; load 2 is a capacitive reactance of 120 2 in series with a 160 resistor; and load 3 is a 30 2 resistor in series with a capacitive reactance of 40 2. The frequency of the voltage source is 60 Hz. a) Give the power factor and reactive factor of each load. b) Give the power factor and reactive factor of the composite load seen by the voltage source. Figure P10.30 vg Load 1 Load 2 Load 3
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 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
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Step 1: Determine power factor and reactive factor of each load for given data:
VIEWStep 2: Find power factor of load 1:
VIEWStep 3: Find power factors of load 2 and load3 :
VIEWStep 4: Find reactive factors of all loads:
VIEWStep 5: Find total impedance of the loads:
VIEWStep 6: Find overall power factor and reactive factor of loads:
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