Method and system for avoiding risk transactions in interconnected energy systems
An energy system and interconnected technology, applied in the field of energy interaction and renewable energy, can solve problems such as transaction interruption, frequent transactions, supply and demand transaction price fluctuations, etc., to reduce the impact of uncertainty, simplify processing, and reduce uncertainty sexual effect
Active Publication Date: 2021-06-25
CHINA ELECTRIC POWER RES INST +3
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Problems solved by technology
However, since each microgrid belongs to different entities, and the randomness of renewable energy and loads often occurs, energy transactions are risky, that is, uncertain supply and demand cause transaction price fluctuations, which in turn cause frequent transactions and transaction interruptions. , causing the interconnected energy system to deviate from optimal economic benefits
[0003] The existing technology lacks the consideration of the energy transaction risk of the interconnected energy system, and the resulting transaction strategy and operation technology are difficult to meet the actual needs
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[0065] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0066] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.
[0067] In a typical implementation of the present application, such as figure 1 As shown, an avoidance method f...
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The invention discloses a method and system for avoiding risk transactions in an interconnected energy system. Aiming at an interconnected micro-grid group containing random renewable energy and loads, an optimal economic benefit energy trading interval optimization model for an interconnected micro-grid group is established. ;Aiming at the optimization model, solve the service cost of the outer micro-grid transaction and the micro-grid operation cost in the inner uncertainty environment; when solving the model, Bender decomposition and genetic algorithm are used to solve the model, and the optimal transaction strategy under uncertainty is obtained; according to The model solves the optimal trading strategy, schedules all microgrids in the microgrid group, and coordinates energy transactions between microgrids to avoid transaction risks. The disclosure adopts an interval description method to realize the characterization of the transaction price, renewable energy and load in the microgrid group, and reduces the influence of uncertainty.
Description
technical field [0001] The present disclosure relates to the field of renewable energy and energy interaction technologies, and in particular to a method and system for avoiding risk transactions in an interconnected energy system. Background technique [0002] The micro-grid technology dominated by renewable energy is gradually becoming the core energy supply system of industrial parks and business districts. Based on the physical interconnection structure of the energy system, regional energy interconnection systems such as multi-energy stations and micro-grid groups are on the horizon. Therefore, energy trading is an inevitable link in an interconnected energy system. However, since each microgrid belongs to different entities, and the randomness of renewable energy and loads often occurs, energy transactions are risky, that is, uncertain supply and demand cause transaction price fluctuations, which in turn cause frequent transactions and transaction interruptions. , ca...
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IPC IPC(8): G06Q20/40G06Q10/06G06Q50/06
CPCG06Q10/067G06Q20/4016G06Q50/06Y02E40/70Y04S10/50Y04S50/12
Inventor 唐艳梅闫华光刘铠诚何桂雄程新功钟鸣覃剑郭炳庆黄尚渊张春雁朱彬若王鲁浩张静亮殷文月
Owner CHINA ELECTRIC POWER RES INST