ELECTRICAL Flashcards
What does SSDG stand for?
Ship service diesel generator
What is the manufacturer and what type of Diesel engine do we have for the SSDGs?
Fairbanks Morse 38ND 8 1/8 12 cylinder 24 piston
What type of generator do we have? Who is the manufacturer?
Brushless generator
Kato
What are the generator ratings?
450 V 60 Hz 0.8 PF 1600 Kw 2566 Amp
How many do we have and what are their locations?
4
Aux 1 & 2
What is a GCB?
Generator Circuit Breaker
What does a GCB do?
Connects generator to the switchboards
How many switchboards do we have?
8
What are their locations?
Aux 1 & 2
What is a BTB?
Bus Tie Breaker
What connects switchboards together?
BTB, disconnect links
How many coils do we have?
4
What are the coils and their names?
M-coil
A-coil
FIQI
FPQP
Where is the remote degaussing console located?
Pilot house
Where is the power supply located?
Degaussing room
Where is the main degaussing switchboard located?
Aux 1 EOS booth
How are the A, M, FIQI & FPQP coils wrapped around the ship?
M- wrapped around the water line of the ship
A - FWD and AFT of the ship in a U shape
FIQI & FPQP are in a figure 8 from Fosc’le to quarterdeck
What is an SFC?
Static Frequency Changer
What does an SFC do?
Changes 60 Hz to 400 Hz
What do we use 400 Hz for?
LCAC’s shore power Weapons systems Radars IC Gyro Combat systems
Where is 1STC, 3STCA & 4STCB located?
1STC by anchor windlass
3STC-A & 4STC-B are located aft of post office
What is 1STC, 3STC-A & 4STC-B used for?
1STC - service only
3STC-A - LCAC and ship’s service
4STC-B - LCAC shore power
Where are the 400 Hz switchboards located at?
1SF - Located FWD STC room
2SF - Located by IC Gyro
3SF - Located AFT STC room
What is EPCC and what does it stand for?
Electrical Plant Control Console
What is an ABT?
Automatic Bus Transfer
How does an ABT function?
ABT rotate to normal or alternate power which has provided power
What is an MBT?
Manual bus transfer
How does an MBT function?
Manual transfer load from normal to alternate
Physically shift the breaker
What is an example of a vital load?
Anything fed from an ABT
What is an example of a non-vital load?
Equipment that does not have two sources of power
What is a PMP?
Plant Management Platform
How many PMPs do we have?
4
How many cables do we have?
12
How many amps is 1 shore power cable rated at?
400 amps
Where is the shore power riser located?
Port side boat deck
How many shore power breakers are there in aux 1 and aux 2?
Aux 1 - 8
Aux 2 - 4