When waves travel along a transmission line from a generator to a load, through which region is power transmission taking place?

When waves travel along a transmission line from a generator to a load, through which region is power transmission taking place? Correct Answer Both through conducting and non-conducting regions

Concept:

  • At low frequency: when the wave travels through conducting region then voltage-current energy is strong compare to electromagnetic energy which is present outside the conducting region i.e. in the non-conducting region.
  • At high frequency: Electromagnetic energy in the non-conducting region is stronger compare to voltage-current energy present in conducting region.
  • But in the transmission line both the energy present in equal proportion.


Conclusion:

Power transmission takes place in conducting & in the non-conducting regions when traveling through transmission lines.

Related Questions

A 50 Hz synchronous generator is initially connected to a long lossless transmission line which is open circuited at the receiving end. With the field voltage held constant, the generator is disconnected from the transmission line. Which of the following may be said about the steady state terminal voltage and field current of the generator?