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A 3-ϕ Y connected balanced load has balanced currents with RYB sequence given by:
Calculate the zero-sequence current I0.
- a)20 A
- b)50 A
- c)10 A
- d)0 A
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
A 3-ϕ Y connected balanced load has balanced currents with RYB sequenc...
Concept:
The relation between the line currents in terms of the symmetrical components of currents is given below.
Ia0
= Zero Sequence Component of CurrentIa1
= Positive Sequence Component of CurrentI
a2
= Negative Sequence Component of Currenta = 1∠120°, which represents the rotation of 120° in the clockwise direction.
a
2
= 1∠-120° or 1∠240° in anticlockwise direction or clockwise direction, respectively.1 + a + a2 = 0
Calculation:
Given that
IR = 10∠0° A, IY = 10∠-120° A, IB= 10∠120° A
Zero sequence component of current,
∴ I0 = 0 A
Note:Since the given currents are in balance condition, only the POSITIVE sequence component will be present, and the zero-sequence and negative sequence will be zero.
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A 3-ϕ Y connected balanced load has balanced currents with RYB sequence given by:Calculate the zero-sequence current I0.a)20 Ab)50 Ac)10 Ad)0 ACorrect answer is option 'D'. Can you explain this answer?
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