What is the purpose of a closed feeder ring in an interconnected system?

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  1. To reduce voltage stability
  2. To prevent power distribution
  3. To disconnect substations from each other
  4. To create a looped power supply network

Answer (Detailed Solution Below)

Option 4 : To create a looped power supply network
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Closed Feeder Ring

A closed feeder ring (also called a ring main system) is a looped electrical distribution system where power can flow in multiple directions around the ring.

Purpose of a Closed Feeder Ring

  • To improve reliability: If one section of the ring fails, the power can be rerouted through the other side, avoiding outages.
  • To create a looped power supply: Power can circulate through multiple paths, helping maintain supply even during faults.
  • To enhance load balancing: Loads can be better distributed across feeders.
  • To support fault isolation: Faulty sections can be isolated without affecting the entire network.
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