seatec - Finnish marine technology review 1/2005 | Page 41

Photos Aker Finnyards 5–10MW and propulsion power may actually exceed 40 MW. Total plant output may be as much as 70 MW. Power is generally generated at 6 or 11 kV. In other ship types the consumption of the hotel side is obviously much less. In passengers ships, restaurants and kitchens use up a large share of available power,” Lehtelä explains. Computers need UPS systems Eaton Powerware has long experience in supplying UPS systems that provide uninterrupted power to a wide range of ship types. According to sales manager Rauli Lehtonen, systems are tailored to meet the needs of requirements and conditions of fleets or particular cruise ships. “On cruise ships UPS devices ensure that IT systems, for example, are supplied with good quality and uninterrupted power. UPS-backed data systems are used to back-up emergency lighting and ensure that customer services, including restaurants, cash registers and gaming machines operate without interruption.” Navigation is one of the most critical functions on a ship and it must be ope Ʌѥ