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Questions and Answers
What is the name of the conductor that is made up of concentric lay stranded aluminum wires only?
What is the name of the conductor that is made up of concentric lay stranded aluminum wires only?
- Aluminum Conductor Aluminum Alloy Reinforced (ACAR)
- Aluminum Conductor Steel Reinforced (ACSR)
- All Aluminum Conductor (AAC) (correct)
- Aluminum Alloy Conductor (AAAC)
What happens to the conductor as the number of wires is increased?
What happens to the conductor as the number of wires is increased?
- It remains the same
- It becomes less flexible
- It becomes more flexible (correct)
- It becomes heavier
How many wires can be present in a single layer of the conductor?
How many wires can be present in a single layer of the conductor?
- 6 or 12
- 5, 10, or 15
- 7, 19, 37, or more (correct)
- 3, 6, or 9
What is the pattern of wire addition in successive layers of the conductor?
What is the pattern of wire addition in successive layers of the conductor?
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What is the effect on the size of each wire as the number of wires is increased?
What is the effect on the size of each wire as the number of wires is increased?
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Study Notes
Types of Conductors
- Common conductors that use transmission lines are Aluminum Alloy Conductors, including:
- All Aluminum Conductor (AAC)
- All Aluminum Alloy Conductor (AAAC)
- Aluminum Conductor Aluminum Alloy Reinforced (ACAR)
- Aluminum Conductor Steel Reinforced (ACSR)
Characteristics of AAC
- AAC is a stranded conductor made up of concentric layers of aluminum wires only
- The conductor may have 7, 19, 37, 61, or more wires in 1, 2, 3, 4, or more layers around a central wire
- Each successive layer has six more wires than the layer immediately beneath
- As the number of wires increases, the conductor becomes more flexible, but the size of each wire decreases for a given cross-sectional area
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