three phase system Quiz
easy
5 Questions
Question 1 of 5
In a balanced three-phase system, how many electrical degrees apart are the phases?
Phases in a three-phase system are equally spaced, 120 degrees apart.
Question 2 of 5
Which of the following is an advantage of a three-phase system over a single-phase system?
Three-phase systems transmit more power for the same conductor size, increasing power density.
Question 3 of 5
What is the relationship between line voltage (VL) and phase voltage (Vp) in a star (Y) connected system?
In a Y connection, line voltage is ?3 times the phase voltage.
Question 4 of 5
What is the main purpose of a neutral wire in a three-phase system?
The neutral wire provides a return path for unbalanced currents and ensures proper voltage.
Question 5 of 5
In a delta (?) connected system, what is the relationship between line current (IL) and phase current (Ip)?
In a delta connection, the line current is ?3 times the phase current.
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