power
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
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.25P: Consider a single-phase electric system shown in Figure 3.33. Transformers are rated as follows:...
Related questions
Question
What is the main direct cause of reactive power in AC system?
A. Resistance of transmission lines
B. Inductance and capacitance in the loads
C. Ideal transformer connected in the system
D. Power produced by generator
2. “Reactive power in a system is dissipated generally as thermal energy?”
A. TRUE
B. FALSE
3. Which of the following statements are correct for three phase circuit:
A. Sum of all the three phase currents is zero in unbalanced network
B. Total power transfer to load is constant with time
C. Neutral conductor is same size in terms of material used as in single phase conductors
D. Net apparent power consumed is equal to real power
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