NOAA Ship KA‘IMIMOANA

Engineering

General

Propulsion Plant

Type: Diesel Electric; 600 VAC, 60 Hz, 3Ø Generators, SCR Power Converters, DC Motors
Propulsion and Electric Plant Diagram
Main Propulsion Generators
- See Ship Service Generators (below)
Main Propulsion Motors
- Quantity: 2
- Type: 750 VDC, Reversible
- Manufacturer: General Electric
- Model: 42G972
- Rated Power (each): 800 HP
Propellers
- Quantity: 2
- Size: 96 in diameter
- Blades: 4, fixed pitch
- Rotation: Inboard turning (one right hand, one left hand)
- Shafts: 7.25 in diameter
Bow Thruster
- Quantity: 1
- Type: Tunnel Thruster
- Manufacturer: Schottel
- Model: S-300-L
- Motor: 750 VDC, Reversible
- Rated Power: 550 HP
- Diameter: 300 mm (51.2 in.)
- Blades: 4

Freshwater System

Storage Capacity: 4,882 gals
- Average Daily Use: 2,000 gal./day
- Average Production: 2,500 gal./day
Distilling Plant
- Quantity: 2
- Type: Waste heat recovery (generator jacket water)
- Manufacturer: Alfa Laval Nirex
- Model: JWP-36-125
- Rated Capacity: 3,000 gal./day

Pollution Control

Sewage Waste Control
- Type: Collection, Holding & Transfer
- Manufacturer: Omnipure
- Holding Capacity: 6,000 gal.
Oily Waste Control
- Type: Oily Water Separator
- Manufacturer: Parmatic
- Model: S1-8-A
- Holding Capacity: 3,000 gal.

Electrical System

Electric Plant Diagram
Ship Service / Propulsion Generators
- Quantity: 4
- Type: Diesel
- Manufacturer: Caterpillar
- Model: D398TA
- Rated Power (each): 600 kW
- Output Voltage: 600 VAC, 60 Hz, 3Ø
Ship Service Transformer
- Quantity: 3
- Rated Power: 500 kVA
- Voltage: 600/450 VAC, 60 Hz, 3Ø
"Clean Power" Motor Generator
- Quantity: 2
- Manufacturer: Kato
- Model: K23952000
- Rated Power: 200 kW
- Motor: 300 Hp
- Output Voltage: 450 VAC, 60 Hz, 3Ø
Emergency Generator
- Quantity: 1
- Manufacturer: Caterpillar 3406TA
- Rated Power: 250 kW
- Output Voltage: 450 VAC, 60 Hz, 3Ø
Electrical Service
- Ship Service
  - 450 VAC, 60 Hz, 3Ø
  - 120 VAC, 60 Hz, 1Ø
- Isolated "Clean" Power for electronics and scientific equipment
  - 450 VAC, 60 Hz, 3Ø
  - 120 VAC, 60 Hz, 1Ø
- Uninteruptable Power for Computer Equipment
  - 120/240 VAC, 60 Hz, 1Ø

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•  URL: http://www.moc.noaa.gov/ka/specs/engineer.htm
•  Updated: April 30, 2004