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A method and device for optimal dispatching of island and reef integrated energy systems

An integrated energy system and optimized scheduling technology, applied in circuit devices, flexible AC transmission systems, wind power generation, etc., can solve the problems of limited cycle charge and discharge times, high cost of battery energy storage systems, etc.

Active Publication Date: 2021-01-12
FOSHAN UNIVERSITY
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Problems solved by technology

However, the cost of the current battery energy storage system is relatively high, and the number of charge and discharge cycles is limited. In order to prolong the service life of the battery energy storage system and enhance the safety and stability of the island and reef power supply system, it is necessary to consider the battery energy storage in the system operation scheduling model. System operation and maintenance costs

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  • A method and device for optimal dispatching of island and reef integrated energy systems
  • A method and device for optimal dispatching of island and reef integrated energy systems
  • A method and device for optimal dispatching of island and reef integrated energy systems

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[0101] The concept, specific structure and technical effects of the present disclosure will be clearly and completely described below in conjunction with the embodiments and drawings, so as to fully understand the purpose, scheme and effect of the present disclosure. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The same reference numbers are used throughout the drawings to indicate the same or similar parts.

[0102] In this embodiment, the island and reef integrated energy system includes a power subsystem and a freshwater subsystem. The power subsystem includes a wind power generation system, a photovoltaic power generation system, 2 distributed controllable generator sets, a battery energy storage load and seawater desalination unit load; the freshwater subsystem includes 2 sets of seawater desalination units, freshwater storage tanks, and island reef wate...

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Abstract

The present invention aims to provide an optimized scheduling method and device for an island reef integrated energy system in view of the defects in the prior art. In consideration of the unit combination problem of a distributed controllable generator set and a seawater desalination unit as well as the optimized charging and discharging problem of an energy storage system, an island reef integrated prediction model is constructed according to state information of the island reef integrated energy system, a future system state of the island reef integrated energy system is obtained, and future minimum total costs are obtained by means of calculation according to the future system state; the future minimum total costs are taken as a constraint condition to construct an optimized scheduling model of the island reef integrated energy system, an optimized dispatching parameter value of the island reef integrated energy system is obtained by means of calculation, a power subsystem and a fresh water subsystem are coordinated and optimized, total operating costs of the island reef integrated energy system are reduced, and the sustainable development capability of islands and reefs is improved.

Description

technical field [0001] The invention belongs to the technical field of electric power system optimization, and in particular relates to an optimal scheduling method and device for an integrated energy system of islands and reefs. Background technique [0002] With the continuous advancement of my country's strategy, governments at all levels have paid more and more attention to the development and utilization of island and reef resources and the improvement of the living conditions of island and reef residents, and the development scale and intensity of island and reef development have increased rapidly. However, due to the distance from the mainland, the development of islands and reefs is deeply restricted by the shortage of electricity and fresh water. The traditional system power supply method using a single distributed controllable generator set not only has low power supply reliability, but also relies too much on external energy input. The pollution and noise generate...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J3/38H02J3/46H02J3/28
CPCH02J3/383H02J3/386H02J3/00H02J3/008H02J3/28H02J3/381H02J3/46H02J3/003H02J2203/20Y02E10/56Y02E10/76Y02E40/10
Inventor 王锐何敏藩王珏苗晴熊彦石建迈王炯琪伍国华戎海武
Owner FOSHAN UNIVERSITY
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