What is the main advantage of using a three-phase transmission system?

Practice Questions

Q1
What is the main advantage of using a three-phase transmission system?
  1. Lower cost
  2. Higher efficiency
  3. Simplicity in design
  4. Reduced conductor size

Questions & Step-by-Step Solutions

What is the main advantage of using a three-phase transmission system?
  • Step 1: Understand what a transmission system is. It is a way to send electricity from one place to another.
  • Step 2: Know that there are different types of transmission systems, like single-phase and three-phase.
  • Step 3: Learn that a three-phase system uses three wires to carry electricity, while a single-phase system uses only one wire.
  • Step 4: Realize that using three wires allows for more electricity to be sent at the same time compared to one wire.
  • Step 5: Understand that this means a three-phase system can transfer power more efficiently, which means less energy is wasted.
  • Step 6: Conclude that the main advantage of a three-phase transmission system is its efficiency in power transfer and reduced energy losses.
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