Determine the Thevenin equivalent phasor voltage, VTA, with respect to terminals a – b. Give your answer in rectangular form. 24 Determine the Thevenin equivalent impedance, ZTh, with respect to terminals a – b. Give your answer in rectangular form 25

Determine the Thevenin equivalent phasor voltage, VTA, with respect to terminals a – b. Give your answer in rectangular form. 24 Determine the Thevenin equivalent impedance, ZTh, with respect to terminals a – b. Give your answer in rectangular form 25

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 2.1P: Given the complex numbers A1=630 and A2=4+j5, (a) convert A1 to rectangular form: (b) convert A2 to...

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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

R=800ohm

X1=200ohm

X2=100ohm

Given: R, X1, X2.
R
8260° A(1
ーJX」
ーjX」ニ
jX2
24 Determine the Thevenin equivalent phasor voltage, VTh: with respect to terminals a – b.
Give your answer in rectangular form.
25 Determine the Thevenin equivalent impedance, ZTh, with respect to terminals a – b. Give
your answer in rectangular form

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