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Double-engine single-propeller gas-electric hybrid ship power system

A ship and single-propeller technology, applied in the direction of mechanical gear transmission, engine using propulsion device combination, emission reduction based on propulsion, etc., can solve the limitation of endurance battery capacity, speed acceleration and self-control that cannot achieve high performance, etc. problems, to achieve excellent dynamic response, avoid poor emission performance, and wide power coverage

Active Publication Date: 2019-06-14
HARBIN ENG UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of power generation methods, power density and energy storage technology, pure electric ships at this stage cannot achieve high-performance speed, acceleration and self-control, and their endurance is also limited by their battery capacity.

Method used

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  • Double-engine single-propeller gas-electric hybrid ship power system

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Embodiment Construction

[0028] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0029] combine figure 1 , the present invention is a dual-machine single-blade gas-electric hybrid ship power system, comprising gas machines 1a, 1b, clutches 2a, 2b, 2c, 2d, gear box 3, generator 4, generator transformer device 5, ship Power grid 6, shore power device 7, storage battery 8, battery transformation device 9, ship load 10, gasification conversion device 11, splitter 12, LNG tank 13, motor 14, propeller 15. The output ends of the gas machines 1a and 1b are connected to the input end of the gearbox 3 through the clutches 2a and 2c respectively, the generator 4 and the electric motor 14 are connected to the output ends of the gearbox through the clutches 2b and 2d respectively, and the propeller 15 is connected to the output end of the electric motor 14 . The LNG tank 13 is connected to the gas machines 1a and 1b through the gasification device 11 and...

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Abstract

The purpose of the invention is to provide a double-engine single-propeller gas-electric hybrid ship power system. The system includes gas engines, a generator, a motor, a storage battery, clutches, agear case, a propeller, a natural gas storage and supply device, substation devices, a shore power device, a ship power grid, and a ship load. The first gas engine and the second gas engine are connected to the gear case through the clutches. The motor and the generator are connected to the gear case through the clutches. An electric power source is the storage battery, the generator and a fuel cell. The double-engine single-propeller gas-electric hybrid ship power system adopts a plurality of energy form arrangements, has a plurality of working modes, can meet requirements of ships in various environment and working conditions, can maintain the gas engines and the motor in a high efficiency zone all the time, reduces the fuel consumption and discharge of the gas engines, improves the power response of ships, and enlarges seaworthiness of the ships.

Description

technical field [0001] The invention relates to a ship power system, in particular to a ship hybrid power system. Background technique [0002] With the rapid rise of international oil prices and the implementation of increasingly stringent emission regulations, higher requirements are placed on the economy and emission of ships. Energy conservation and emission reduction have become an important task in the development of the national economy. Ships are high-energy-consuming means of transportation, and their energy-saving and emission-reduction technologies have become one of the hotspots of everyone's attention and research. [0003] As a future environmental strategy, we aim to reduce energy consumption and CO2, SOx, NOx and PM emissions. There are many ways to reduce pollution and emissions from ships, the best of which is the use of alternative energy sources. Natural gas as engine fuel is an inevitable trend in the development of marine engines in the future. Natura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H21/20B63H23/10
CPCY02T70/5218
Inventor 范立云徐超肖朝辉鲁宏伟张恒熙刘洋
Owner HARBIN ENG UNIV
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