Coordinated Optimal Control and Economic Evaluation Method of Wind Power Consumption Integrated Energy System

Abstract

The invention discloses a coordinated optimization control and economic evaluation method for a wind power consumption comprehensive energy system, and belongs to the technical field of wind power. The comprehensive energy system consists of a wind power plant, an energy storage system and a heat accumulation type electric boiler. Due to the fact that the comprehensive energy system has differenttime scales, and the energy storage system is used for coordinating the combined operation of the heat accumulation type electric boiler so as to consume wind abandoning for supplying heat for residents. A wind power-energy storage system and a wind power-heat accumulation type electric boiler are taken as game players, the factors such as the energy storage system, the heat accumulation type electric boiler, various benefits of the wind power plant and cost are taken into account comprehensively, an energy storage coordinated heat accumulation type electric boiler consumption wind power windabandoning economic evaluation model based on a game theory is established, and the model is solved by using particle swarm optimization. The optimal operating power of the energy storage system and the optimal operating power of the heat accumulation type electric boiler at every moment are obtained while the maximum overall economic benefit of the comprehensive energy system is guaranteed, and the wind abandoning consumption capacity of the heat accumulation type electric boiler is further promoted.

Description

technical field [0001] The invention belongs to the technical field of wind power, and in particular relates to a coordinated optimization control and economic evaluation method of a wind power consumption comprehensive energy system. Background technique [0002] At present, my country's wind power generation is developing rapidly under the encouragement of a series of national policies. In 2015, the newly installed wind power installed capacity reached 30.5GW, accounting for 45.1% of the world's new installed capacity, and the cumulative installed wind power capacity reached 145.1GW, accounting for the world's total installed wind power capacity. 31% of the capacity, ranking first in the world. However, the phenomenon of wind power curtailment is serious, especially in my country's "Three North Regions" during the winter heating period. The peak-shaving capacity of thermal power units used for power grid peak regulation has dropped sharply, and the space for the grid to acc...

AI Technical Summary

Problems solved by technology

Since the output of wind power has the characteristics of "anti-peak regulation", and the minimum peak regulation limit of thermal power units is 50% to 60%, this makes the phenomenon of abandoning a large amount of wind even if the thermal power units operate at the lower limit of the full output force during the low load period. Peak resources are difficult to meet the needs of wind power consumption

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