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What is the per unit system (PU)?

A. A ratio of actual value in any units to the base or reference value in the same units

B. A ratio of the base or reference value in any units to the actual value in the same units.

C. Ratio of the square of the actual value in any units to the square of base or the reference value in the same units

D. All of these

Related Questions on Power System Analysis, Stability & Computer Technique Test Questions

What is infinite bus in power system?

A. A large system with infinite voltage

B. A large system in which the voltage and frequency varies

C. A large system whose voltage and frequency remains constant throughout.

D. Both (a) and (b)

E. None of these