Probability maximum load margin multi-target optimization model of electrical coupling system and solving method of optimization model

Abstract

The invention discloses a probability maximum load margin multi-target optimization model of an electrical coupling system and a solving method of the optimization model, and relates to the field of multi-energy-flow system operation control. The method includes the following steps that the power system maximum load margin and the natural gas system maximum load margin of the electrical coupling system serve as multiple targets, the uncertainty of wind power input is considered, constraint conditions of a power network, a natural gas network and an EH are considered, and a mathematical model of probability maximum load margin multi-target optimization of the electrical coupling system is established; the multi-target optimization model is solved on the basis of SRSM, the Newton method, NSGA-II and the maximum satisfaction decision mixed algorithm, and the optimal compromise scheduling strategy, corresponding flow distribution and other data information are obtained. The method is suitable for the development trend of energy interconnection, and can ensure the high-efficiency and environment-friendly operation of a multi-energy-flow system.

Description

technical field [0001] The invention relates to an electric-pneumatic coupled system probability maximum load margin multi-objective optimization model and a solution method thereof, belonging to the field of multi-energy flow system operation control. Background technique [0002] With the increasingly serious energy crisis and the large demand for energy such as electricity and natural gas, the continuous development of multi-energy flow coupling has made it difficult to directly apply the traditional single-energy flow system method. In addition, the wind power output is affected by the wind speed and has uncertain characteristics such as intermittent and volatility. In order to ensure the efficient operation of the multi-energy flow system, in the optimization problem of the electrical coupling system including the wind power system, the wind power uncertainty The analysis and multi-objective optimization modeling of probabilistic maximum load margin for electrically cou...

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Problems solved by technology

Although these studies have achieved certain results in the modeling of multi-energy flow network and its solution algorithm, there is no research on the establishment of multi-objective optimization model of multi-energy flow probability maximum load margin and its solution method.

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