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Consider following statements :
The overlap angle of single phase fully controlled bridge converter would increase an increasing
The overlap angle of single phase fully controlled bridge converter would increase an increasing
- Supply voltage
- Supply frequency
- Load current
- Source inductance
Of these statements
- a)1, 2 and 4 are correct
- b)1, 3 and 4 are correct
- c)1, 2 and 3 are correct
- d)2, 3 and 4 are correct
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Consider following statements :The overlap angle of single phase fully...
Explanation:
The overlap angle in a single-phase fully controlled bridge converter refers to the portion of the input voltage waveform during which the converter operates in the conducting state. It determines the amount of power delivered to the load and affects the converter's performance.
The overlap angle is influenced by various factors. Let's analyze each statement individually to understand their impact on the overlap angle.
Statement 1: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing supply voltage.
When the supply voltage increases, the peak value of the input voltage waveform also increases. As a result, the conducting period of the converter needs to be extended to transfer the increased power to the load. This leads to an increase in the overlap angle.
Statement 2: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing supply frequency.
With an increase in supply frequency, the time period of each half-cycle decreases. To maintain the same amount of power transfer, the conducting period needs to be increased, resulting in a larger overlap angle.
Statement 3: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing load current.
When the load current increases, the power demand also increases. To accommodate this, the conducting period of the converter needs to be extended, leading to an increase in the overlap angle.
Statement 4: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing source inductance.
The presence of source inductance causes a delay in the current rise during the conducting period of the converter. This delay increases the overlap angle to ensure sufficient power transfer to the load.
Conclusion:
From the analysis of each statement, we can conclude that statements 2, 3, and 4 are correct. An increasing supply frequency, load current, and source inductance all contribute to an increase in the overlap angle of a single-phase fully controlled bridge converter. Therefore, option 'D' is the correct answer.
The overlap angle in a single-phase fully controlled bridge converter refers to the portion of the input voltage waveform during which the converter operates in the conducting state. It determines the amount of power delivered to the load and affects the converter's performance.
The overlap angle is influenced by various factors. Let's analyze each statement individually to understand their impact on the overlap angle.
Statement 1: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing supply voltage.
When the supply voltage increases, the peak value of the input voltage waveform also increases. As a result, the conducting period of the converter needs to be extended to transfer the increased power to the load. This leads to an increase in the overlap angle.
Statement 2: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing supply frequency.
With an increase in supply frequency, the time period of each half-cycle decreases. To maintain the same amount of power transfer, the conducting period needs to be increased, resulting in a larger overlap angle.
Statement 3: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing load current.
When the load current increases, the power demand also increases. To accommodate this, the conducting period of the converter needs to be extended, leading to an increase in the overlap angle.
Statement 4: The overlap angle of single-phase fully controlled bridge converter would increase with an increasing source inductance.
The presence of source inductance causes a delay in the current rise during the conducting period of the converter. This delay increases the overlap angle to ensure sufficient power transfer to the load.
Conclusion:
From the analysis of each statement, we can conclude that statements 2, 3, and 4 are correct. An increasing supply frequency, load current, and source inductance all contribute to an increase in the overlap angle of a single-phase fully controlled bridge converter. Therefore, option 'D' is the correct answer.
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Community Answer
Consider following statements :The overlap angle of single phase fully...
Effect of source inductance on 1ϕ full controlled rectifier:
For 1ϕ full wave converter, the average reduction in dc output voltage due to source inductance is:
where, Δ Vo = Average reduction in dc output voltage
Vm = Maximum value of source voltage
α = Firing angle
μ = Overlap angle
LS = Source inductance
For 1ϕ full wave converter, the average reduction in dc output voltage due to source inductance is:
where, Δ Vo = Average reduction in dc output voltage
Vm = Maximum value of source voltage
α = Firing angle
μ = Overlap angle
LS = Source inductance
- If f ↑ , Ls ↑, Io ↑, without changing the Vm and α, then μ also increases.
- If Vm ↑ , without changing f, Ls, Io, and α, then μ decreases.
Hence, option 4 is correct.
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Consider following statements :The overlap angle of single phase fully controlled bridge converter would increase an increasing Supply voltage Supply frequency Load current Source inductanceOf these statementsa)1, 2 and 4 are correctb)1, 3 and 4 are correctc)1, 2 and 3 are correctd)2, 3 and 4 are correctCorrect answer is option 'D'. Can you explain this answer?
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