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Offshore renewable energy source transport system and method based on liquid gas energy storage

A renewable energy, liquid gas technology, applied in liquid distribution, transportation or transfer devices, transport passenger cars, transportation and packaging, etc. The problem of high cost is to achieve the effect of realizing the combined supply of cooling-heating-electricity, eliminating environmental problems and realizing the combined supply of heat and electricity.

Pending Publication Date: 2019-01-04
丁玉龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Offshore wind farms have the dual advantages of high wind energy and relatively stable wind speed, but their energy transportation costs are relatively high
[0003] For offshore renewable energy that is far away from the AC grid, in order to reduce power loss, high-voltage AC transmission can be used, but this will lead to high-cost transformers and large-diameter submarine transmission cables, greatly increasing investment costs
HVDC transmission is another option to reduce power loss, and if the renewable energy capacity is larger and the transmission distance is longer, it will be more economical to use HVDC transmission. However, as the renewable energy capacity increases, due to power electronics The relationship between the electronic characteristics of switching elements, the cost of offshore AC-to-DC conversion platforms and HVDC submarine cables will be more expensive, thus affecting the economic benefits of offshore renewable energy

Method used

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  • Offshore renewable energy source transport system and method based on liquid gas energy storage

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Embodiment Construction

[0031] The present invention can be better understood with reference to the following examples, taking liquid air as an example.

[0032] The structures, proportions, sizes, etc. shown in the accompanying drawings of the description are only used to match the content disclosed in the description, for those who are familiar with the technology to understand and read, and are not used to limit the conditions for the implementation of the present invention, so there is no Technically, any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the technical content disclosed in the present invention without affecting the functions and objectives of the present invention. within the range that can be covered. At the same time, terms such as "upper", "lower", "front", "rear", and "middle" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the present inven...

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Abstract

The invention discloses an offshore renewable energy source transport system and method based on liquid gas energy storage. The system comprises a liquid gas energy storage circulation loop, an energytransportation circulation loop and a liquid gas power generation circulation loop. The liquid gas is used as the transmission medium of the offshore renewable energy source, and a traditional expensive HVAC / HVDC transmission technology is replaced, so that investment and maintenance costs are significantly reduced. The offshore renewable energy source is stored by using the liquid gas so that the intermittency of the renewable energy source can be eliminated. The effect of peak load shifting can be achieved. The feasible novel method for achieving transporting the offshore renewable energy source is provided.

Description

technical field [0001] The invention relates to an offshore renewable energy transportation system and method based on liquid gas energy storage, belonging to the field of energy storage and transportation. Background technique [0002] In response to the global energy crisis and climate change, renewable energy has received extensive attention and development. Offshore renewable energy is rich in resources and can avoid occupying land area, so it has great development potential, among which offshore wind energy occupies a dominant position. Offshore wind farms have the dual advantages of high wind energy and relatively stable wind speed, but their energy transportation costs are relatively high. [0003] For offshore renewable energy that is far away from the AC grid, in order to reduce power loss, high-voltage AC transmission can be used, but this will lead to high-cost transformers and large-diameter submarine transmission cables, which will greatly increase investment c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D88/74B67D7/02B67D7/80
CPCB65D88/74B67D7/02B67D7/80
Inventor 丁玉龙折晓会孟原野彭笑东金翼
Owner 丁玉龙
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