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In a balanced three-phase system-delta load, if we assume the line voltage is VRY = V∠0⁰ as a reference phasor. Then the source voltage VBR is?
- a)V∠120⁰
- b)V∠240⁰
- c)V∠-240⁰
- d)V∠-120⁰
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
In a balanced three-phase system-delta load, if we assume the line vol...
In a balanced three-phase system-delta load, the line voltage is related to the phase voltage by a factor of √3. Therefore, if we assume the phase voltage is V, then the line voltage will be √3 times the phase voltage.
So, the line voltage can be written as:
Vline = √3 V
If we assume that the phase voltage is VRY, then we can write:
VRY = V
Substituting this into the equation for the line voltage, we get:
Vline = √3 VRY
Therefore, in this case, the line voltage is √3 times the phase voltage, just like in any other balanced three-phase system-delta load.
So, the line voltage can be written as:
Vline = √3 V
If we assume that the phase voltage is VRY, then we can write:
VRY = V
Substituting this into the equation for the line voltage, we get:
Vline = √3 VRY
Therefore, in this case, the line voltage is √3 times the phase voltage, just like in any other balanced three-phase system-delta load.
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In a balanced three-phase system-delta load, if we assume the line vol...
As the line voltage VRY = V∠0⁰ is taken as a reference phasor. Then the source voltage VBR is V∠-240⁰.
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