A Multi-type Power Supply Maintenance Scheduling Method Based on Mixed Integer Programming

Abstract

A multi-type power supply maintenance arrangement method based on mixed integer programming, including the collection of power supply, load and other system data, wherein the power supply data includes various unit output characteristics, coal consumption curves, and maintenance time. For hydropower units, it is necessary to collect hydropower data; Including data such as annual maximum load, total electricity, typical daily load characteristics and monthly load characteristics; simplify the time-series load curve into a segmented continuous load curve: establish a long-term generator set maintenance planning model with the goal of economy, and operate according to the system The lowest cost is the objective function, which mainly includes fuel costs of thermal power units and new energy curtailment costs, etc.; establishment of maintenance models of various types of units: establishment of operation constraint models of various types of units: establishment of system operation constraint models: solving, the present invention is not only applicable Compared with the maintenance arrangement of conventional units, it also has strong scalability.

Description

technical field [0001] The invention relates to the field of power system planning, in particular to a multi-type power supply maintenance arrangement method based on mixed integer programming. Background technique [0002] Generator set maintenance is an important content of power grid operation arrangement and an important link in power system operation planning, which directly affects the start-up mode of power system. Due to the simultaneous production and consumption of electric energy, system operation has high requirements on the reliability of electric power equipment, especially generator sets. Reasonable arrangements for maintenance of generator sets can effectively reduce the failure rate of equipment, prolong the normal working time of equipment, and effectively improve the economy and reliability of system operation. In the actual operation of the power system, the maintenance type and maintenance sequence of the units are usually arranged in a period of one ye...

AI Technical Summary

Problems solved by technology

[0005] In the actual operation of the power system, various types of maintenance are usually involved. Not only the start time and duration of various types of maintenance need to be considered, but also the interaction between different types of maintenance needs to be considered, which makes the maintenance scheduling model very complicated and difficult to obtain. get the optimal solution

At the same time, as the types of power sources increase, unit maintenance arrangements are also closely related to issues such as hydropower distribution, renewable energy consumption, and fuel storage plans, which greatly exceed the scope of traditional heuristic maintenance arrangements.

Images