Wind power consumption and dispatching method considering the coordination of stakeholders in power generation groups

Abstract

The present invention provides a wind power consumption dispatching method by taking the consideration of power generation group interest subject coordination, belonging to the technical field of electric power system optimized dispatching. The method comprises the steps of: 1) establishing a first-order dispatching model without a thermal storage device, performing solution, and obtaining the planning generation power and the wind power grid-connected power of each generation group; 2) taking the first-order dispatching result as one reference generation plan of each group, introducing a peak-load regulation compensation cost, and establishing a second-order multi-target dispatching model by taking the consideration of the power generation group interest subject coordination; and 3) performing equivalent conversion and smoothing processing of multiple targets of the second-order model, performing solution, and obtaining a dispatching result by taking the consideration of the power generation group interest subject coordination. For solution of the wind abandoning problem, the wind power consumption is achieved, and the peak-load regulation compensation between the generation groups is introduced to form a dispatching strategy of regulation in the generation groups and mutual coordination between the generation groups; and moreover, independence of different generation group interest subjects can be distinguished, and the enthusiasm of the generation groups joining in the system peak regulation is called while ensuring the maximum of the system wind power grid connection.

Description

technical field [0001] The invention belongs to the technical field of power system optimization dispatching, and relates to a dispatching method for renewable energy consumption in a power system, in particular to a wind power consumption dispatching method coordinated by multiple power generation group interest subjects. Background technique [0002] With the depletion of fossil fuels and the intensification of environmental problems, wind power, as a clean and renewable power generation method, has been rapidly developed under the impetus of countries all over the world. However, with the substantial increase in wind power installed capacity, there has also been a more obvious problem of wind curtailment. In the first three quarters of 2017, my country's accumulative abandoned wind power was 29.55 billion kWh. Although it has decreased compared with the same period in 2016, the abandoned wind rate in some provinces and regions is still very significant. The problem of wi...

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Problems solved by technology

The joint coordination of all units in the system will not reflect the changes in the internal peak-shaving capabilities of different power generation groups, and will not be able to deeply explore the adjustment capabilities of the units within the group; at the same time, it will not be able to reflect the interest compensation between groups, and cannot reflect the principle of fairness in dispatching

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