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Engineering and Tech / Electric Circuits 10 / Chapter 10 / Problem 10.24

Electric Circuits | 10th Edition | ISBN: 9780133594812 | Authors: James W Nilsson

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The three loads in the circuit seen in Fig. P10.24 are

Chapter 10, Problem 10.24

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QUESTION:

The three loads in the circuit seen in Fig. P10.24 are described as follows: Load 1 is absorbing 4.8 kW and delivering 2.4 kVAR; Load 2 is absorbing 6 kVA at a power factor of 0.8 lagging; Load 3 is a 24 resistor in parallel with an inductance whose reactance is . a) Calculate the average power and the magnetizing reactive power delivered by each source if Vg1 = Vg2 = 120l0 V (rms) b) Check your calculations by showing your results are consistent with the requirements aPdev = aPab aQdev = aQabs.

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QUESTION:

The three loads in the circuit seen in Fig. P10.24 are described as follows: Load 1 is absorbing 4.8 kW and delivering 2.4 kVAR; Load 2 is absorbing 6 kVA at a power factor of 0.8 lagging; Load 3 is a 24 resistor in parallel with an inductance whose reactance is . a) Calculate the average power and the magnetizing reactive power delivered by each source if Vg1 = Vg2 = 120l0 V (rms) b) Check your calculations by showing your results are consistent with the requirements aPdev = aPab aQdev = aQabs.

ANSWER:

Step 1 of 4

The three loads in the circuit.

Load 1: is absorbing and delivering ;

Load 2: is absorbing at a power factor of lagging;

Load 3: is a resistor in parallel with an inductance whose reactance is .

Draw the circuit as,

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