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Shunt reactors are needed
- a)to boost receiving end voltage under light loads.
- b)to boost receiving end voltage under heavy loads.
- c)to bring down receiving end voltage at light loads.
- d)to bring down receiving end voltage under heavy loads.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Shunt reactors are neededa)to boost receiving end voltage under light ...
Shunt reactors are used to bring down receiving end voltage during light load or no-load condition to overcome Ferranti effect.
Most Upvoted Answer
Shunt reactors are neededa)to boost receiving end voltage under light ...
Understanding Shunt Reactors
Shunt reactors play a crucial role in electrical systems, particularly in transmission networks where voltage stability is essential. Their primary function is to manage reactive power and voltage levels, especially during light load conditions.
Function of Shunt Reactors
- Shunt reactors are connected in parallel with transmission lines.
- They are primarily used to absorb excess reactive power (VARs) when the system operates at light load conditions.
Voltage Regulation
- Under light load conditions, the transmission lines can experience a rise in voltage due to the capacitive effect of the lines.
- This is because, at low loads, the reactive power demand decreases, leading to a situation where the line capacitance dominates.
Why Option C is Correct
- The correct answer is option 'C': "to bring down receiving end voltage at light loads."
- Shunt reactors mitigate the over-voltage by absorbing the excess reactive power, thereby stabilizing the voltage levels at the receiving end.
- By doing so, they help in maintaining the voltage within permissible limits, ensuring safety and efficiency in the electrical system.
Conclusion
In summary, shunt reactors are essential for voltage control, particularly in scenarios where light loads lead to increased voltage levels. Their ability to absorb reactive power makes them indispensable for maintaining system stability and operational efficiency.
Shunt reactors play a crucial role in electrical systems, particularly in transmission networks where voltage stability is essential. Their primary function is to manage reactive power and voltage levels, especially during light load conditions.
Function of Shunt Reactors
- Shunt reactors are connected in parallel with transmission lines.
- They are primarily used to absorb excess reactive power (VARs) when the system operates at light load conditions.
Voltage Regulation
- Under light load conditions, the transmission lines can experience a rise in voltage due to the capacitive effect of the lines.
- This is because, at low loads, the reactive power demand decreases, leading to a situation where the line capacitance dominates.
Why Option C is Correct
- The correct answer is option 'C': "to bring down receiving end voltage at light loads."
- Shunt reactors mitigate the over-voltage by absorbing the excess reactive power, thereby stabilizing the voltage levels at the receiving end.
- By doing so, they help in maintaining the voltage within permissible limits, ensuring safety and efficiency in the electrical system.
Conclusion
In summary, shunt reactors are essential for voltage control, particularly in scenarios where light loads lead to increased voltage levels. Their ability to absorb reactive power makes them indispensable for maintaining system stability and operational efficiency.
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