Cascade reservoir power generation scheduling method and system

Abstract

The invention discloses a cascade reservoir power generation scheduling method and system, and belongs to the field of reservoir optimal scheduling. The method specifically comprises the following steps: determining a cascade reservoir reserved flood control reservoir capacity distribution method set by utilizing the size of the reserved reservoir capacity at the end of a cascade reservoir scheduling period; according to the reserved flood control reservoir capacities allocated to all the reservoirs, deducing the scheduling period end water level corresponding to the reserved flood control reservoir capacities through a reservoir water level reservoir capacity curve, and forming a cascade reservoir scheduling period end water level set; establishing a power generation scheduling model taking the maximum power generation capacity of the cascade hydropower station as a target by utilizing the initial water level and the final water level of the cascade reservoir scheduling period and thepower generation flow and constraint conditions of the reservoir; and solving the power generation scheduling model by adopting a deterministic optimization scheduling method, and screening out the optimal operation mode of the cascade reservoir. By converting the reserved flood control reservoir capacity of the cascade reservoir in the drainage basin dispatching period into the water level constraint at the end of the dispatching period, the power generation benefit of the cascade reservoir is maximized on the premise of guaranteeing flood control safety, and the flood control benefit and the power generation benefit are both considered.

Description

technical field [0001] The invention belongs to the field of optimal dispatching of reservoirs, and more specifically relates to a method and system for dispatching power generation of cascaded reservoirs. Background technique [0002] Reservoirs are important infrastructures in my country. They undertake important functions such as ensuring flood control safety, water supply safety, energy safety, and food safety in river basins, and play an important role in flood control, water supply, power generation, shipping, and ecology. Large and medium-sized reservoirs generally have multiple functions such as flood control and power generation. How to maximize the comprehensive benefits of reservoir water resources while ensuring the safety of flood control in the basin is an important task. [0003] At present, when the cascade reservoir optimal dispatching model comprehensively considers the flood control benefit of the river basin and the flood control benefit of the cascade po...

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Problems solved by technology

[0005] In view of the defects of the prior art, the purpose of the present invention is to provide a cascade reservoir power generation scheduling method and system, aiming to solve the problem that the existing cascade reservoir power generation scheduling method does not comprehensively consider the cascade reservoir storage capacity allocation and power generation benefits

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