In a three-phase system, when the loads are perfectly balanced, the neutral current is
A. Zero
B. One-third of maximum
C. Two-thirds of maximum
D. At maximum
Answer: Option A
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Related Questions on Three Phase Systems In Power Applications
In a Y-connected source feeding a ∆-connected load,
A. Each phase of the load has one-third of the full line voltage across it
B. Each phase of the load has two-thirds of the full line voltage across it
C. Each phase of the load has the full line voltage across it
D. Each phase of the load has a voltage across it equal to $$\sqrt 3 $$
A. Single-phase 32 A; three-phase 16 A
B. Single-phase 16 A; three-phase 8 A
C. Single-phase 8 A; three-phase 4 A
D. Single-phase 16 A; three-phase 0 A
Differential protection is used in....
A-power transformer
B-converter transformer
C-load centre transformer
D-all