The three concentric conductors with one grounded are used for high voltage power transmission. The grounded conductor acts as a shield for the other two conductors, reducing the risk of electrical interference and increasing safety.
The grounded conductor acts as a reference point for the other two conductors, maintaining their potential difference. This allows for the safe transmission of high voltages without any significant loss of energy.
The three concentric conductors are typically made of different layers of aluminum or copper. These materials have high conductivity and are able to withstand the high voltages used in power transmission.
The grounding of the conductor is achieved by physically connecting it to the ground using metal rods or plates. This creates a low resistance path for any excess electrical energy to dissipate, protecting the other conductors and equipment.
One potential disadvantage is the increased cost of using three conductors instead of just two. There may also be technical challenges in maintaining the balance of the three conductors to ensure efficient power transmission. Additionally, the grounding of the conductor may increase the risk of corrosion and require regular maintenance.
