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Micro-grid system for ships

A micro-grid and power generation system technology, applied in the field of micro-grid systems, can solve the problems of huge differences in the structure of ship power systems, and the inability of ship micro-grids to directly adopt land micro-grids to achieve the effect of improving ship self-sustaining power

Inactive Publication Date: 2013-01-30
TONGJI UNIV
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Problems solved by technology

In addition, the ship power system is built inside the hull with limited space. The ship power system is designed according to the characteristics of the ship itself, which cannot affect the overall performance of the ship design. At the same time, ship power systems of different types, different purposes and even different tonnage levels The structural differences are huge. The above factors indicate that the construction of the ship micro-grid cannot directly adopt the relevant experience of the land micro-grid, and must be innovated to build a suitable ship micro-grid

Method used

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Embodiment Construction

[0023] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] figure 1 Shown is the overall composition diagram of the ship microgrid system in the preferred embodiment of the present invention. When the present invention is implemented, the appropriate ship type must first be determined. The platform carried by the system should be a large ocean-going transport ship. Its own ship power grid has a relatively large stability margin, the deck area is flat and wide, and the internal space is relatively abundant. Therefore, here The ship platform used is a capesize bulk carrier with a large deck area.

[0025] The power configuration of the microgrid is selected according to conditions such as load demand and deck area. Here, two sets of storage batteries, two sets of solar photovoltaic arrays, two sets of wind power generation and one diesel generator are selected.

[0026] Such ...

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Abstract

The invention relates to a micro-grid system, and in particular relates to a micro-grid system for ships. The micro-grid system for the ships comprises a solar photovoltaic power generation system, a wind power generation system, a storage battery energy storage system, an emergency diesel generator, a load, a direct current bus and an alternative current bus, wherein the direct current bus and the alternative current bus are connected together through a bidirectional converter; the direct current bus is connected with the solar photovoltaic power generation system and the storage battery energy storage system; the alternative current bus is respectively connected with the wind power generation system, the emergency diesel generator and the load; and the system is connected with a medium voltage main power grid in the ship through an interconnection switch and a transformer at side where the alternative current bus is positioned. The defect that the new energy distributed type power generation cannot be directly used in a ship power system is overcome, a new offshore energy resource is sufficiently utilized, and the energy conservation and the emission reduction in the field of ocean transportation are realized.

Description

technical field [0001] The invention relates to a micro-grid system, in particular to a ship platform-based micro-grid system. Background technique [0002] The transportation industry is an important foundation of the national economy, and it is also one of the fastest growing and most important energy consumption fields in China. Transportation energy conservation will be the main battlefield of my country's national policy of energy conservation and emission reduction in the new century. In the entire transportation industry, water transport is the second largest energy-consuming mode of transportation, and it undertakes the main international cargo transportation. About 60% of China's international freight is completed by water transport. The use of clean and renewable energy to realize energy diversification in the field of ship transportation is of great significance to reduce traditional energy consumption and support my country's national policy of energy conservatio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCY02E10/763Y02E40/10Y02E10/563Y02E10/56Y02E10/76
Inventor 牟龙华刘汉宇
Owner TONGJI UNIV
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