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A Preliminary Site Selection Method for Large Dam-type Hydropower Stations

A hydropower station, a large-scale technology, applied in the field of preliminary site selection of large dam-type hydropower stations, can solve problems such as difficulty in obtaining support, inability to adopt hydropower site selection and design methods, lack of data sources and channels for hydropower planning projects, etc., to achieve low cost and practicality Strong, technically reliable results

Active Publication Date: 2018-04-24
STATE GRID CORP OF CHINA +2
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Problems solved by technology

In the context of building a global energy interconnection strategy, the targets of hydropower planning are basically abroad, and it is usually difficult to obtain support from relevant foreign management departments and technical design departments in the strategic conception and planning stages. Use conventional hydropower site selection and design methods

Method used

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  • A Preliminary Site Selection Method for Large Dam-type Hydropower Stations
  • A Preliminary Site Selection Method for Large Dam-type Hydropower Stations
  • A Preliminary Site Selection Method for Large Dam-type Hydropower Stations

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Embodiment Construction

[0047] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0048] like figure 1Shown, a kind of large-scale dam type hydropower station preliminary site selection and the method of design of the present invention comprise the following steps:

[0049] 1) According to the minimum limit value of river runoff suitable for the construction of large-scale dam-type hydropower stations, screen the river sections to be developed and determine the key development river sections.

[0050] The size of the river runoff is an important basis for determining the key development of river sections. If the runoff is too small, the installed capacity of the dam-type hydropower station will be small and the regulation ability will not be strong. According to the minimum installed capacity required by the proposed dam-type hydropower station, calculate the minimum limit of river runoff suitable for the construction of large-sca...

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Abstract

The invention relates to a preliminary site selection method of a large dam-type power plant. The method comprises the following steps that river reaches to be developed are screened according to a river runoff minimum limit value suitable for constructing the large dam-type power plant, and major developing river reaches are determined; hypsographic maps of the major developing river reaches are generated according to satellite terrain data, and the original water levels of the major developing river reaches and the mountain top height are obtained; the river reach of which the width of upstream and downstream riverways at the original water level is larger than that of the riverway suitable for constructing the large dam-type power plant, and multiple riverway width minimal value points are selected as dam alternative sites; each dam alternative site adopts a plurality of backwater heights, and one backwater height of each dam alternative site serves as a dam design scheme; dam parameters of all the dam design schemes are determined; the inundated area and the effective reservoir volume of reservoirs in the dam design schemes are determined; the installed capacities and the reservoir volume coefficients of the power plant in the dam design schemes are calculated; all the dam design schemes are output.

Description

technical field [0001] The invention relates to a site selection method for water conservancy facilities, in particular to a preliminary site selection method for a large dam type hydropower station. Background technique [0002] In 2015, the Global Energy Internet was raised from a strategic concept to a national initiative, and large dam-type hydropower stations with relatively large adjustment capabilities will become an important supporting power source for the global interconnected grid. In the context of building a global energy interconnection strategy, it is not only necessary to evaluate parameters such as the theoretical reserves of hydropower, technologically exploitable quantities, and economically exploitable quantities in various regions of the world, but also to carry out preliminary planning of hydropower in various regions of the world, and to study the proposed large-scale Construction address, installed capacity and regulation characteristics of dam-type h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B9/00
CPCE02B9/00Y02E10/20
Inventor 罗家松宋崇明王新雷徐彤邢媛田雪沁马实一
Owner STATE GRID CORP OF CHINA
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