Electrical Distribution

What type of current produced in electrical power station?

• Direct Current

• Alternating Current

What transformer used tochange the voltage from 11kV/25kV in Power Station to 132kV/275kV/500kV?

• Step up Transformer

• Step down Transfromer

• Simple Transformer

• BumblebeeTransformer

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

Why the voltage is increased before flowing in the National Grid Network?

• To reduce the current

• To reduce the resistance

• To reduce the voltage loss

• To reduce the electrical energy

What is the change of energy occur during the transferof the alternating current in National Grid Netwrok?

• Electrical Energy -> Heat Energy

• Electrical Energy -> Kinetic Energy

• Heat Energy -> Electrical Energy

• Electrical Energy -> Gravitational Potential Energy

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the function of the switch zone?

• To produce electricity.

• To send the electricity from the power station.

• To reduce the voltage of alterneting current.

• To enable for maintanence of power station or grid network by turning off hte electricity without any disturbance.

Highest voltage is at....

• Power station

• National Grid Network

• Branch substation

• Main substation

_______________________ can send theelectricity to branch substation when needed.

• National grid network

• Power station

• Switch zone

• Transformer station

Tags

NGSS.MS-PS3-5

What is the function of Equipment at A,B and C?

• To reduce the voltage

• To generate electricity

• To increase the voltage

• To reduce the resistance