Problem : In the case of a 60Hz frequency, calculate v§ (t) and the power factor of asource.0.20+ US (1)j0.4 Ω50 kW50 kVA360.820.95laggingleading+480/0° VrmsAnswerpftn0.9457 laggingv (t) = 765.94cos (377t-7.77 ° )V

Answered: Image /qna-images/answer/8ab5d365-f0ac-46b8-98da-45efbf8c2fdb.jpg

Problem: In the case of a 60Hz frequency, calculate v (t) and the power factor of a source. 0.2 Ω +) vs(t) j0.4 Ω m 50 kW 0.82 lagging 50 kVA 0.95 leading + 480/0° Vrms Answer pftn = 0.9457 lagging v (t)=765.94cos(377t-7.77°) V

Problem: In the case of a 60Hz frequency, calculate v (t) and the power factor of a source. 0.2 Ω +) vs(t) j0.4 Ω m 50 kW 0.82 lagging 50 kVA 0.95 leading + 480/0° Vrms Answer pftn = 0.9457 lagging v (t)=765.94cos(377t-7.77°) 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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.2MCQ: If the rms phasor of a voltage is given by V=12060 volts, then the corresponding v(t) is given by...

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Concept explainers

Maximum power transfer theorem

A resistive load will consume maximum power from a network when the load resistance is equal to the resistance of the network as viewed from the open-circuit terminals, with all energy sources removed leaving only the internal resistances. Physicist Moritz von Jacobi introduced the maximum power transfer theorem in 1940. Therefore, this theorem is also known as Jacobi's law.

Question

Problem : In the case of a 60Hz frequency, calculate v§ (t) and the power factor of a
source.
0.20
+ US (1)
j0.4 Ω
50 kW
50 kVA
36
0.82
0.95
lagging
leading
+
480/0° Vrms
Answer
pftn0.9457 lagging
v (t) = 765.94cos (377t-7.77 ° )V

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