1. A balance Y-connected load of ( 3 + j8 ) ohms per phase is supplied by a balanced three- phase, 60 Hz, positive phase sequence source. If VBC = 133.6998 + j159.3372 volts, determine the following: (Answers in complex numbers must be expressed in POLAR FORM) а. VAB b. VCA C. Line current lA d. Line current IB е. Line current lc f. Total real power of the load g. Total reactive power of the load 2. A TWO-WATTMETER method is used to measure the total real power of the load in Problem No. 1, where wattmeter W1 is connected in line A and W2 is connected in line C. Line B being the common tapping point of the voltage coils of W1 and W2. Determine the following: a. Reading of wattmeter W1 b. Reading of wattmeter W2 If a third wattmeter W3 is connected to line B and the two ends of the voltage coils are connected to lines C and A, what is its reading? d. If the result in Part C is multiplied by 1.732 or square root of 3, what does this value represents? С.

1. A balance Y-connected load of ( 3 + j8 ) ohms per phase is supplied by a balanced three- phase, 60 Hz, positive phase sequence source. If VBC = 133.6998 + j159.3372 volts, determine the following: (Answers in complex numbers must be expressed in POLAR FORM) а. VAB b. VCA C. Line current lA d. Line current IB е. Line current lc f. Total real power of the load g. Total reactive power of the load 2. A TWO-WATTMETER method is used to measure the total real power of the load in Problem No. 1, where wattmeter W1 is connected in line A and W2 is connected in line C. Line B being the common tapping point of the voltage coils of W1 and W2. Determine the following: a. Reading of wattmeter W1 b. Reading of wattmeter W2 If a third wattmeter W3 is connected to line B and the two ends of the voltage coils are connected to lines C and A, what is its reading? d. If the result in Part C is multiplied by 1.732 or square root of 3, what does this value represents? С.

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 2.52P: A balanced three-phase load is connected to a 4.16-kV, three-phase, fourwire, grounded-wye dedicated...

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