EG1W3

Power station and supply station refer to?

• Distribution

• Substations

• Transmission

• Subtransmission

These typically use oil, air, vacuum or SF6 gas.

• Power Transformers

• Disconnects

• Reactor

• Circuit Breakers

Disconnect switches are installed in substations to isolate lines to be worked on.

• True

• False

Wood structures remain popular for transmission lines with operating voltages of 345kv and up.

• True

• False

Fill in the blank: _______ is commonly used to identify lines that typically operate at lower voltages, deliver to the distribution sub.

• Subtransmission

• Transmission

• Generation

• Service

Fill in the blank: These are chosen based on voltage of the line, the right of way size, geographical terrain, and size of conductor: _______.

• Structures

• Insulators

• Conductors

• Ground Grids

Fill in the blank: The term _______ is used for lines that deliver to the distribution sub and operate at lower voltages.

• Subtransmission

• Transmission

• Generation

• Service

True or False: Transmission lines with operating voltages of 345kv and up commonly use wood structures.

• A) True

• B) False

These directed buried structures have a longer life span compared to wood poles.

• Tubular

• Lattice

• H Structure

• None

Insulators must insulate the line and have the strength to support the conductors.

• True

• False