Effects Of An Open on Wye & Delta Circuits Flashcards
1
Q
If an open occurs in one of the line conductors supplying the three-phase load, a condition referred to as ___________ results.
A
single-phasing
2
Q
If an open occurred in the line of a three-phase, three-wire, wye connected system, what would the power developed be?
A
50% of normal
3
Q
If an open in one of the lines occurs on a balanced, wye connected load with the neutral connected, how much power is developed?
A
66.7% (two-thirds) of normal
4
Q
If an open occurred in the line of a three-phase, three-wire, ∆ connected system, what would the power developed be?
A
50% of normal
