Renewable energy cluster output distributed coordination control method considering uncertainty

Abstract

The invention discloses a renewable energy cluster output distributed coordination control method considering uncertainty, and belongs to the field of power system optimization control. In order to cope with the adverse effect of wind and light energy uncertainty on regulation and control precision, aiming at the problem that the uncertainty of a traditional cluster output optimization model cannot be fully considered, an optimization model and strategy considering output uncertainty are constructed based on TSL distribution; meanwhile, in the aspects of information architecture and implementation mode on which coordination control depends, aiming at the defects of high calculation complexity, long data acquisition period, high communication pressure and the like existing in a traditional centralized mode, the invention provides a method for better adapting to the characteristics of frequent data interaction, high communication timeliness requirement and the like of a proposed optimization model considering uncertainty, distributed calculation solution is realized based on a multi-agent system theory, so that the calculation scale and the communication pressure are reduced, and fault separation and risk dispersion are realized. On the whole, the renewable energy cluster control precision, robustness and flexibility can be improved.

Description

technical field [0001] The invention belongs to the field of power system optimization control, and more specifically relates to a distributed coordinated control method for cluster output of renewable energy sources considering uncertainty. Background technique [0002] In response to energy and climate issues, the installed capacity of renewable energy such as wind and light has grown rapidly. Faced with the emerging difficulties of large-scale bases in terms of consumption and delivery, the renewable energy development model has gradually changed from a large-scale, long-distance, and centralized traditional model to a new model that combines bases and decentralization, and adapts measures to local conditions. The current control method often does not limit the wind and solar power when the grid reserve is sufficient, but cuts off a large number of wind and solar power when the grid reserve is insufficient, and the management is relatively extensive, resulting in signific...

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Problems solved by technology

However, the distributed control system has not been effectively applied in the output control problem of renewable energy clusters

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