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Ocean island microgrid system and distributed periodic energy transaction method thereof

A technology of electric energy trading and trading methods, which is applied in the direction of AC networks, electrical components, circuit devices, etc. with energy trading/energy transmission authority, and can solve the problems of inability to provide stable electric energy and low operating reliability for users, so as to ensure reliability and Economical operation, low electricity cost, and the effect of protecting private information

Active Publication Date: 2019-12-20
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] Aiming at the defects of the prior art, the purpose of the present invention is to provide an oceanic island microgrid system and its distributed periodic energy trading method, aiming to solve the problem of low operating reliability of the existing oceanic island microgrid energy management method and failure to provide users with The problem of providing stable power

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  • Ocean island microgrid system and distributed periodic energy transaction method thereof
  • Ocean island microgrid system and distributed periodic energy transaction method thereof
  • Ocean island microgrid system and distributed periodic energy transaction method thereof

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Embodiment Construction

[0051] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0052] like figure 1 As shown, one aspect of the present invention provides an oceanic island microgrid system, including: an energy center, an aggregator, an energy storage system, and an end user; the energy center is used to store energy periodically transported by ships from the mainland to the oceanic island As well as the energy generated by renewable energy (such as photovoltaic, wind energy, wave energy, ocean current energy) on remote islands in the ocean, and provide electric energy to the load of the island microgrid; the aggregator is used to determine the energy from The electric ener...

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Abstract

The invention discloses an ocean island microgrid system and a distributed periodic energy transaction method thereof, and belongs to the field of ocean island microgrid energy management. The systemcomprises: an energy center for storing energy that is periodically transported from a mainland to an island and electric energy generated by renewable energy power generation on the island, and providing the electric energy for the load of an island microgrid; an aggregator for determining electric energy obtained from the energy center and an electric energy transaction price with a terminal user according to the electric energy transaction demand of the terminal user, and scheduling the charge and discharge amount of an energy storage system; the energy storage system for obtaining the electric energy from the energy center according to the scheduling of the aggregator and providing the electric energy for the terminal user; and the terminal user for determining the electric energy transaction amount with the energy storage system based on the electric energy transaction price of the aggregator. The ocean island microgrid system disclosed by the invention can maximize the benefits of the aggregator, minimize the power consumption cost of each user, preferentially meet the power consumption demands of strategic users, and ensure the reliable and economical operation of the islandmicrogrid system.

Description

technical field [0001] The invention belongs to the field of energy management of oceanic island microgrids, and more specifically relates to an oceanic island microgrid system and a distributed periodic energy trading method thereof. Background technique [0002] There are many oceanic islands on the earth. They are not only national defense outposts, but also a symbol of national sovereignty, and an important guarantee for the integrity of national territory and sovereignty. Providing a stable power supply to an ocean-going island is crucial to working and living on the island. Because the oceanic islands are far away from the mainland, it is difficult for the oceanic islands to be directly connected to the main power grid on the mainland. Therefore, part of the energy demand on ocean-going islands is supplied by distributed renewable energy generators located on or near the islands, and the other part is transported from the mainland by ships for a long period of time (u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/008
Inventor 王燕舞胡棉刘骁康崔世常肖江文
Owner HUAZHONG UNIV OF SCI & TECH
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