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One among the following is the top most conductors in high voltage transmission lines, identify it.
- a)R- phase conductor
- b)Y- phase conductor
- c)B- phase conductor
- d)Earth conductor
Correct answer is option 'D'. Can you explain this answer?
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One among the following is the top most conductors in high voltage tra...
A guard wire or earth wire is the top most conductors in high voltage transmission lines. It is used mainly to protect lines from lightning. If in case lightning struck then it carries the excessive current inrush to ground.
Its radius is much smaller than the actual transmission wire because as the resistance is inversely proportional to area of cross section and as the cross section decreases, the resistance increases. The increased resistance of earth wire is able to withstand high inrush of current caused due to lightning and it will safely guide this inrush into ground.
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One among the following is the top most conductors in high voltage tra...
Understanding High Voltage Transmission Lines
High voltage transmission lines are essential for efficiently transporting electricity over long distances. Among the various conductors used in these systems, the earth conductor plays a unique and crucial role.
Role of Conductors
- R-phase, Y-phase, B-phase Conductors: These are the three-phase conductors that carry the electrical load. They are responsible for transmitting power from the generation point to the distribution network.
- Earth Conductor: This conductor, often referred to as the ground wire, serves multiple functions, including safety and stability in the transmission system.
Why Earth Conductor is the Topmost Conductor
- Safety Mechanism: The earth conductor is vital for protecting both equipment and personnel. It provides a path for fault currents, preventing electric shock and ensuring system integrity during faults.
- Lightning Protection: It acts as a lightning rod, allowing lightning strikes to safely dissipate into the ground, reducing the risk of damage to the overhead conductors.
- Voltage Stabilization: The earth conductor helps maintain voltage levels in the system, ensuring a balanced load across the phases.
- Regulatory Compliance: Many electrical codes require the installation of earth conductors to enhance safety in high voltage systems.
Conclusion
In summary, while R-phase, Y-phase, and B-phase conductors are essential for power transmission, the earth conductor holds the top position due to its critical safety and protective functions. Understanding these roles is crucial for effective electrical engineering and safe transmission practices.
High voltage transmission lines are essential for efficiently transporting electricity over long distances. Among the various conductors used in these systems, the earth conductor plays a unique and crucial role.
Role of Conductors
- R-phase, Y-phase, B-phase Conductors: These are the three-phase conductors that carry the electrical load. They are responsible for transmitting power from the generation point to the distribution network.
- Earth Conductor: This conductor, often referred to as the ground wire, serves multiple functions, including safety and stability in the transmission system.
Why Earth Conductor is the Topmost Conductor
- Safety Mechanism: The earth conductor is vital for protecting both equipment and personnel. It provides a path for fault currents, preventing electric shock and ensuring system integrity during faults.
- Lightning Protection: It acts as a lightning rod, allowing lightning strikes to safely dissipate into the ground, reducing the risk of damage to the overhead conductors.
- Voltage Stabilization: The earth conductor helps maintain voltage levels in the system, ensuring a balanced load across the phases.
- Regulatory Compliance: Many electrical codes require the installation of earth conductors to enhance safety in high voltage systems.
Conclusion
In summary, while R-phase, Y-phase, and B-phase conductors are essential for power transmission, the earth conductor holds the top position due to its critical safety and protective functions. Understanding these roles is crucial for effective electrical engineering and safe transmission practices.
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One among the following is the top most conductors in high voltage transmission lines, identify it.a)R- phase conductorb)Y- phase conductorc)B- phase conductord)Earth conductorCorrect answer is option 'D'. Can you explain this answer?
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