Question 1

In a delta-connected three-phase generator, the phase difference between each phase voltage is

Accepted Answer

A)   0°
B)   90°
C)   120°
D)   180°E) B) and D)
F) B) and C)

Question 2

In a balanced Y-connected load, the total power is equal to

Accepted Answer

A)   1/3PZ
B)   3PZ
C)   1/?3PZ
D)   ?3PZE) A) and D)
F) B) and C)

Question 3

In a Y-connected three-phase AC generator, the formula used to calculate VL is ?3V?.

Accepted Answer

A) True 
 B)False

Question 4

In a three-phase AC generator, the currents in the individual coil windings are commonly called ______________ currents.

Accepted Answer

The answer of In a three-phase AC generator, the currents...

Question 5

The load voltage, VZ in a ?-Y configuration is equal to ?3/VL.

Accepted Answer

A) True 
 B)False

Question 6

A generator with three separate windings, equally spaced around the circle, will produce

Accepted Answer

A)   three different output voltages 120° out of phase with each other
B)   three different output voltages 60° out of phase with each other
C)   three different output voltages 90° out of phase with each other
D)   three different output voltages 180° out of phase with each otherE) None of the above
F) B) and C)

Question 7

In a balanced three-phase AC circuit, the instantaneous power delivered to the load is constant.

Accepted Answer

A) True 
 B)False

Question 8

A generator with three separate windings, equally spaced around the circle, will produce three different output voltages 120° out of phase with each other.

Accepted Answer

A) True 
 B)False

Question 9

The formula used to calculate total power, PT, for a balanced Y-Y configuration is ______________.

Accepted Answer

The answer of The formula used to calculate total power,...

Exam 28: Three-Phase Ac Power Systems

A generator with three separate windings, equally spaced around the circle, will produce three different output voltages 120° out of phase with each other.

Correct Answer
verified

In a balanced Y-connected load, the total power is equal to

Correct Answer
verified

In a Y-connected three-phase AC generator, the formula used to calculate V_L is ?3V_?.

Correct Answer
verified

In a delta-connected three-phase generator, the phase difference between each phase voltage is

Correct Answer
verified

A generator with three separate windings, equally spaced around the circle, will produce

Correct Answer
verified

In a three-phase AC generator, the currents in the individual coil windings are commonly called ______________ currents.

Correct Answer
verified

The load voltage, V_Z in a ?-Y configuration is equal to ?3/V_L.

Correct Answer
verified

In a balanced three-phase AC circuit, the instantaneous power delivered to the load is constant.

Correct Answer
verified

The formula used to calculate total power, PT, for a balanced Y-Y configuration is ______________.

Correct Answer
verified

Exam 28: Three-Phase Ac Power Systems

A generator with three separate windings, equally spaced around the circle, will produce three different output voltages 120° out of phase with each other.

Correct AnswerverifiedShow Answer

In a balanced Y-connected load, the total power is equal to

Correct AnswerverifiedShow Answer

In a Y-connected three-phase AC generator, the formula used to calculate VL is ?3V?.

Correct AnswerverifiedShow Answer

In a delta-connected three-phase generator, the phase difference between each phase voltage is

Correct AnswerverifiedShow Answer

A generator with three separate windings, equally spaced around the circle, will produce

Correct AnswerverifiedShow Answer

In a three-phase AC generator, the currents in the individual coil windings are commonly called ______________ currents.

Correct AnswerverifiedShow Answer

The load voltage, VZ in a ?-Y configuration is equal to ?3/VL.

Correct AnswerverifiedShow Answer

In a balanced three-phase AC circuit, the instantaneous power delivered to the load is constant.

Correct AnswerverifiedShow Answer

The formula used to calculate total power, PT, for a balanced Y-Y configuration is ______________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

In a Y-connected three-phase AC generator, the formula used to calculate V_L is ?3V_?.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The load voltage, V_Z in a ?-Y configuration is equal to ?3/V_L.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified