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Regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method

A technology for pumped-storage power stations and regional power grids, which is applied in AC network voltage regulation, power network operating system integration, information technology support systems, etc.

Active Publication Date: 2015-03-25
DALIAN UNIV OF TECH +1
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Problems solved by technology

[0003] The results of this invention look forward to the future development of the power grid. At present, most of the relevant research results and literature reports at home and abroad are aimed at peak regulation of a single power grid. However, how to realize the load distribution target of multiple power grids of direct-regulated pumped-storage power stations under the regional power station platform has not yet seen relevant literature. to report

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  • Regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method
  • Regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method
  • Regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] With the rapid development of my country's economy and the continuous increase in the proportion of new energy power generation installed capacity, the peak-to-valley difference in the power grid has continued to increase, which has seriously affected the large-scale grid connection and consumption of clean energy, as well as the safe and stable operation of the power system. In the context of the increasingly prominent structural contradictions in my country's power supply, rational allocation of energy storage equipment in the power grid and improvement of energy storage equipment power generation technology have become an effective way to stabilize the power fluctuations of new energy, ease the pressure of power grid peak regulation, and improve the new energy consumption capacity of the power grid. One of the measures. In recent years, large-c...

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Abstract

The invention relates to the field of power grid dispatching operation, and discloses a regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method. Consideration can be given to multi-power-grid differentiation load regulation requirements and power station control targets, a pumped storage power station group multi-power-grid load distribution target is achieved, and the remain loads of each power grid are kept stable and unchanged to the greatest extent. According to the technical scheme, the highest point and the lowest point of the remain loads serve as heuristic information to determine the position and the size of power generation and water pumping of a power station, meanwhile, the minimum variance of the remain loads of multiple power grids serves as a target, and an electric quantity halving strategy and a permutation and combination principle are adopted to conduct distribution among the output grids, output solving and distribution among the output grids are carried out in the alternation mode until power station load distribution results meeting control requirements are obtained. The regional power grid direct regulating pumped storage power station group short period multi-power-grid load distribution method has the great significance and sets an example in regional power grid dispatching operation management in China.

Description

technical field [0001] The invention relates to the field of power grid dispatching operation, in particular to a short-term multi-grid load distribution method for a regional power grid directly regulated pumped storage power station group. technical background [0002] The regional power grid is a large regional power grid formed by the interconnection of several adjacent provincial power grids with tie lines. The main task is to guide and coordinate the safe, stable, high-quality and economical operation of the provincial power grids. The pumped storage power station has been the most ideal peak-shaving and valley-filling power source for regional power grids because of its rapid start-stop, peak-shaving, valley-filling and emergency backup and other static and dynamic benefits. Different from the operation of conventional hydropower and pumped storage power stations directly regulated by a single provincial power grid, the group of pumped storage power stations directly ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/14
CPCY02B70/3225Y04S20/222
Inventor 程春田陆建宇武新宇刘拥军程雄申建建
Owner DALIAN UNIV OF TECH
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