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Gas-electric hybrid type ship hybrid power system with PTI-PTO

A technology of PTI-PTO and hybrid power system, which is applied in the field of ship power system, can solve the problems of battery capacity restriction of battery life, inability to achieve high-performance speed acceleration and self-control, etc., achieve excellent power response, improve reliability and applicability performance, increase the effect of the airworthy area

Inactive Publication Date: 2019-06-14
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • 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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  • Gas-electric hybrid type ship hybrid power system with PTI-PTO

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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 gas-electric hybrid ship hybrid power system with PTI-PTO, including PTI motor 1, clutches 2a, 2b, 2c, gear box 3, LNG liquid storage tank 4, gasification heat exchange device 5, gas Engine 6, fuel cell 7, fuel cell power conversion device 8, ship power grid 9, PTO generator 10, PTO generator power conversion device 11, propeller 12, ship load 13, battery power conversion device 14, battery 15, shore power device 16. The gas machine 6 and the output end of the PTI motor are connected to the input end of the gearbox 3 through the clutch 2b, the PTO generator is connected to the output end of the gearbox 3 through the clutch 2c, and the propeller 12 is connected to the output end of the gearbox 3. The LNG liquid storage tank 4 is connected with the gas machine 6 and the fuel cell 7 through the gasification heat ...

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Abstract

The purpose of the invention is to provide a gas-electric hybrid type ship hybrid power system with PTI-PTO. The system includes a gas engine, a generator, a motor, a storage battery, a fuel cell, clutches, a gear case, a propeller, a natural gas storage and supply device, substation devices, a shore power device, a ship power grid, and a ship load. An output end of the gas engine is connected toan input end of the gear case. The PTI motor and the PTO generator are connected to output ends of the gear case through the clutches. An electric power source is the storage battery, the PTO generator and fuel cell. The gas-electric hybrid type ship hybrid power system with PTI-PTO adopts a plurality of energy form arrangements, realizes a plurality of working modes by opening and closing the clutches, can meet requirements of ships in various environment and working conditions, can maintain the gas engine and the motor in a high efficiency zone all the time, reduces the fuel consumption anddischarge of the gas engine, improves the power response of the 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
CPCY02T90/40
Inventor 范立云肖朝辉卢耀文鲁仲阳鲁宏伟顾远琪
Owner HARBIN ENG UNIV
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