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Reservoir-capacity-compensation-method-based method for flood resource utilization of cascade reservoirs

A technology of flood resource utilization and cascade reservoirs, applied in the field of flood resource utilization of cascade reservoirs, can solve the problem of not considering the relationship between flood control and storage capacity compensation of reservoir groups, and achieve the effects of increasing the full rate of reservoirs, increasing power generation benefits, and increasing power generation head.

Inactive Publication Date: 2018-09-28
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

However, the current research results only focus on a single reservoir, without considering the flood control and storage capacity compensation relationship among reservoir groups

Method used

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  • Reservoir-capacity-compensation-method-based method for flood resource utilization of cascade reservoirs
  • Reservoir-capacity-compensation-method-based method for flood resource utilization of cascade reservoirs
  • Reservoir-capacity-compensation-method-based method for flood resource utilization of cascade reservoirs

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Embodiment Construction

[0051] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0052] figure 1 It is a schematic diagram of changes in storage and storage.

[0053] figure 2 It is a diagram of the relationship between the upstream and downstream water levels in the flood season.

[0054] image 3 The dynamic control water level map for the limited water level of each ten-day flood in Liujiaxia (Longyang Gorge operating water level 2594 plan)

[0055] Figure 4 It is the dynamic control area map of Liujiaxia's limited water level in each ten-day flood period.

[0056] The overall flow of the cascade reservoir flood resource utilization method based on the above-mentioned storage capacity compensation method is described in the present invention by taking the Longyangxia and Liujiaxia cascade reservoirs in the upper reaches of the Yellow River as examples.

[0057] For many years, the operation scheduling (especially flood control ...

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Abstract

The invention discloses a reservoir-capacity-compensation-method-based method for flood resource utilization of cascade reservoirs. The method comprises: step one, calculating the surplus storage capacity of an upstream reservoir; step two, according to a water level running state of the upstream reservoir, determining a water level running state of a downstream reservoir; and step three, realizing flood resource utilization based on a compensation relationship between flood control capacities of cascade reservoirs. According to the invention, the requirement on the flood forecasting is low; the occurrence time of the next flood does not need to be considered; the water level running state of the downstream reservoir is determined only based on the water level running state of the upstreamreservoir; the worry about uncertainty caused by the flood forecasting is avoided; the full rate of the reservoir is increased; the flood resources in a flood season can be utilized as much as possible; the power generation efficiency is increased; and the operability is enhanced.

Description

technical field [0001] The invention belongs to the technical field of flood resource utilization, and in particular relates to a cascaded reservoir flood resource utilization method based on a storage capacity compensation method. Background technique [0002] Flood itself is a natural phenomenon. Whether or not it causes disaster depends to a large extent on the intensity and mode of human activities in addition to the natural attributes of floods. That is to say, not all floods will cause disasters. When the magnitude of the flood has not exceeded a certain critical value, it is a kind of resource. Through a series of measures, the flood can be converted into water resources, which is flood resource utilization. . At present, the flood resource utilization methods widely used in reservoirs mainly fall into the following categories: [0003] (1) The method of retaining and storing the flood tail at the end of the flood season. In the flood receding section, the reservoi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0637G06Q50/06Y02A10/40
Inventor 李继清李建昌纪昌明
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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