The permanent magnet tunnel thruster tt pm is our latest tunnel thruster design and has been engineered with reliability and through life costs as the focus.
Rolls royce rim driven thruster.
In response to our customers needs we have launched the thruster support pool tsp.
This level of benefit is also reflected in the information published by rolls royce on its rim driven thruster technology.
This will be followed by two smaller frame sizes 085 and 100 and one larger the 150 so that this azimuth thruster series will in due course span a power range from 900kw to 5 000kw.
The az pm thruster is the latest in a range of rolls royce propulsion products using its permanent magnet technology.
The az pm thruster is the latest in a range of rolls royce propulsion products using its permanent magnet technology.
The moving part of the ring is a rim around the propeller blades which carries a series of strong permanent magnets.
Initial published research based on a scaled cruiseship model estimated that an efficiency improvement in the order of 7 was achievable.
After over a decade of research and development rolls royce is heading into full production of their permanent magnet tunnel thruster from their facility in ulsteinvik norway.
They will cover the speed range up to 24 knots.
Permanent magnet technology the pm tunnel thruster technology offers numerous advantages over traditional tunnel thrusters including significant reduction i.
One key area of interest is the potential impact of rdps on hydrodynamic efficiency.
The moving part of the ring is a rim around the propeller blades which carries a series of strong permanent magnets.
Rim drive propellers or rim driven propulsers and thrusters voith rdp.
Using permanent magnet motor technology increases efficiency and makes the installation more compact only the variable frequency drive unit is housed in the thruster room freeing up.
This technology is based on electric drive where the motor is in the form of a ring round the propeller.
This technology is based on electric drive where the motor is in the form of a ring round the propeller.
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