Abstract
The new green Marine propulsion system, as a new generation of marine propulsion, has advantages of strong mobility, low fuel consumption, low noise, safety and comfort. Three green propulsion solutions for different ship types are proposed, including pure electric propulsion system, compound energy storage electric propulsion system and diesel-electric hybrid propulsion system. The structure features and performance advantages are introduced and the key technologies such as new energy storage, DC network and shaft generator/motor are discussed. The related research achievements and typical project cases are also introduced.
Highlights
The performance of the ship's propulsion system has a great influence on economy, safety and reliability of the ship
The key technologies of green propulsion involve energy storage technology, DC networking technology and shaft generator/motor technology; the technical features are discussed in each solution and the related research and application cases of green ships conducted by the 711st Research Institute of China Shipbuilding Industry Corporation are demonstrated
2.1 Pure electric propulsion system The pure electric solution is aimed at ships that do not depend on air and have high power density requirements, such as underwater vehicles and deep sea mobile stations, and ships that run in high environment standard waters such as rivers and lakes
Summary
The performance of the ship's propulsion system has a great influence on economy, safety and reliability of the ship. Hybrid power and shaft generator/motor technology can optimize system power distribution, thereby reducing system losses and improving system efficiency. This paper focuses on the theme of green and high efficiency, based on the analysis of the power requirements of different ship types, comprehensively considering the technical conditions of energy supply, ship power distribution, drive control, propulsion, etc., and proposes the three marine green propulsion solutions. The key technologies of green propulsion involve energy storage technology, DC networking technology and shaft generator/motor technology; the technical features are discussed in each solution and the related research and application cases of green ships conducted by the 711st Research Institute of China Shipbuilding Industry Corporation are demonstrated
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