Page 54: of Maritime Reporter Magazine (June 1999)

1° Significant Marine Innovations tandard Low Voltage Motors In New Dutch Frigates nder increasing erlands Navy is commercial com- rew Air Defence (and gest fighting orces and an advanced area air defence force. The first ship of four is currently under con- struction at Schelde Shipbuilding in

Vlissingen, Holland, due for delivery in 2002. One of the more interesting developments is the use of standard

ABB aluminium motors to drive many essential functions onboard. This includes pumps for the delivery of fuel and chilled water for water-cooled equipment, crucial for the ship's sur- vival. After stringent tests, the shipyard and the Navy have concluded the ABB motors are adequate for the duty. "We work to military standards but use commercial standards whenever we can. Sometimes we take test certificates at face value; sometimes we perform our own test. At the end of the day, it is down to what level of risk we can accept," says Michel Janssen, Head of

Design Group II at the Royal Nether- lands Navy.

A major concern during procurement was to find motors able to withstand vibration and shock, which may come about as a result of enemy fire.

The shock resistance will also serve to (Continued on page 114) 56 Circle 352 on Reader Service Card

Integrated Power

System Dubbed

Technical Revolution he U.S. NavyraH^^^^^^H new ship's propulsion pflHHJHH promises to offer new insights to innovation power solutions well into the next century. Dubbed Inte- grated Power System (IPS), it was introduced last month at the Carde- rock Division's Ship Systems Engi-

Jystem (SSESj in Philadel- na. ing the Navy, as well as the marine industry, the resourceful invention will work as a developmen- tal test bed for the electric ships of the new Millennium. The new architec- ture of the IPS encompasses electric power generation, distribution, con- (Continued on page 116)

Avondale Industries, Inc. Shipyards Division

Avondale's 20,000 MT Drydock

A Avondale

Shipyards Division

Avondale's 82,300 MT Drydock

Repair Services

Repair Services that are available at

Avondale Include: • Shafting, Propellers and Rudders • Rubber Lining and Fiberglassing • Offshore Vessels • Structural Replacement/Repairs • Machinery Overhaul and Repairs • Pollution Control Devices • Inert Gas Installations • Ship Conversions and Jumboizing • Thruster Installations • Electronics Upgrading • Quarters Modification • Voyage Repairs; Barge Repairs • Re-Powering • Gas Freeing; Re-Coating

Drydocks Available Are: • One 82,300 MT Dock - can lift ships up to 379M long and 61.9M wide • One 20,000 MT Panamax Dock - can lift ships up to 235M long and 32.2M wide

Heavy Lift Services: • A 200-ton Gantry Crane • A 628-ton Floating Crane Barge

Fully-Staffed Engineering Department

AVONDALE INDUSTRIES, INC.

SHIPYARDS DIVISION

POST OFFICE BOX 50280

NEW ORLEANS, LA. 70150-0280 •

PHONE: (504) 436-5274

FAX: (504) 436-5280