Main Electrical Distribution System

Question 1

What is the requirement for the Main Electrical Distribution system?

Answer 1

• Provide power around the ship to run:
  Motors, Lighting and converted supplies, Weapon systems, radar and sonar systems, external communications.
• Requires a main distribution system to produce, monitor and control the electrical demand required

Question 2

What Three basic items are needed?

Answer 2

1 -Prime Mover etc Gas Turbine or Engine
2 - AC generator - Alternator
3 - Switchboard to control and distribute the power

Question 3

What do you need to have in a Main Supply System?

Answer 3

• SB
• SWITCH BOARDS
• BUS BARS
• EDC
• FEEDER BREAKER
• BUS BAR LINKING BREAKER
• INTERCONNECTING BREAKERS
• RING MAIN CONTAINS A GENI

Question 4

How do we get power from shoreside?

Answer 4

• Get power from shoreside Genis or National Grid
• Power Boxes have designated SHORE SUPPLY/ SHIP ALONGSIDE BREAKER

Question 5

Seven Major components To the Power Distribution System

Answer 5

• GENERATOR
• SUPPLY BREAKER, BUS BAR LINKING BREAKERS, INTERCONNECTING BREAKERS
  SWITCHBOARD
• FEEDER BREAKER
• EDC
• FUSE PANELS
• TRANSFROMERS