發(fā)布時(shí)間：2016-12-15 12:40

  本文關(guān)鍵詞：《水利水電工程鋼閘門(mén)設(shè)計(jì)規(guī)范》可靠度初校，由筆耕文化傳播整理發(fā)布。

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水利水電工程

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自動(dòng)化技術(shù)

地球物理學(xué)

計(jì)算機(jī)軟件及計(jì)算機(jī)應(yīng)用

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hydro project     

水利樞紐工程(28)

  

     Research on Planning and Evaluation of Water Environment in Xinjiang Hydro Project

     新江水利工程水環(huán)境規(guī)劃設(shè)計(jì)與評(píng)價(jià)研究

短句來(lái)源

     Design and Implementation of Graphic Documents in Hydro Project Design Management System

     水利工程設(shè)計(jì)圖檔管理系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)

短句來(lái)源

     the local water administration department has overlap or similar functions in hydro project planning and demonstrability, the water resources planning, arrangement, dispatching and protection, water-using permission, as well as flood control, so the issues such as illegibility of responsibility, right and interest come into being.

     流域管理機(jī)構(gòu)與地方水行政主管部門(mén)在水資源與水利工程的規(guī)劃，水資源的管理、配置、調(diào)度、保護(hù)，建設(shè)項(xiàng)目水資源論證與取水許可申請(qǐng)，水利工程建設(shè)管理以及防洪調(diào)度等方面存在著職能交叉和重疊，管理、審批、監(jiān)督權(quán)限不清，責(zé)、權(quán)、利不對(duì)應(yīng)。 新《水法》確立了流域管理與行政區(qū)域管理相結(jié)合的水資源管理體制。

短句來(lái)源

     Hydro Project Construction and Management in China

     我國(guó)水利工程建設(shè)與管理

短句來(lái)源

     Circulation management method for graphic documents in hydro project design and its realization

     水利工程設(shè)計(jì)圖檔流轉(zhuǎn)管理方法及實(shí)現(xiàn)技術(shù)

短句來(lái)源

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     Design and construction of enclosing diversion tunnel in QPQ hydro project

     QPQ水利樞紐工程導(dǎo)流洞封堵設(shè)計(jì)與施工

     Measures for prevention of silt plug and abrasion in Xiaolangdi Hydro Project

     小浪底水利樞紐工程預(yù)防泥沙淤堵和磨蝕的工程措施

短句來(lái)源

     Automation system of the control net of external deformation observation for the Wanjiazai Hydro project

     萬(wàn)家寨水利樞紐外部變形觀測(cè)控制網(wǎng)自動(dòng)化系統(tǒng)

短句來(lái)源

     Study on Monolithic Stability of Dam and Foundation of Wudu Hydro Project

     武都水利樞紐工程壩與地基整體穩(wěn)定性研究

短句來(lái)源

     Dam type optimization for a hydro project by fuzzy optimum model

     應(yīng)用模糊優(yōu)選模型優(yōu)選水利樞紐工程壩型

短句來(lái)源

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     Several problems of the flood control standards on hydro project

     水電工程防洪標(biāo)準(zhǔn)的幾個(gè)問(wèn)題——對(duì)國(guó)標(biāo)“防洪標(biāo)準(zhǔn)”的商榷

短句來(lái)源

     Calculation of reliability according to the design criteria for steel gate of hydro project

     《水利水電工程鋼閘門(mén)設(shè)計(jì)規(guī)范》可靠度初校

短句來(lái)源

     On environmental management for construction of large hydro project

     大型水利水電工程建設(shè)環(huán)境管理初步探討

短句來(lái)源

     Dynamic visual simulation of hydro project construction based on GIS

     基于GIS的水電工程施工動(dòng)態(tài)可視化仿真方法及其應(yīng)用

短句來(lái)源

     The Daguangba project is the largest hydro project in Hainan Province.

     大廣壩水利水電樞紐是海南省最大的水電工程。

短句來(lái)源

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     Design and construction of enclosing diversion tunnel in QPQ hydro project

     QPQ水利樞紐工程導(dǎo)流洞封堵設(shè)計(jì)與施工

     Measures for prevention of silt plug and abrasion in Xiaolangdi Hydro Project

     小浪底水利樞紐工程預(yù)防泥沙淤堵和磨蝕的工程措施

短句來(lái)源

     Study on Monolithic Stability of Dam and Foundation of Wudu Hydro Project

     武都水利樞紐工程壩與地基整體穩(wěn)定性研究

短句來(lái)源

     Dam type optimization for a hydro project by fuzzy optimum model

     應(yīng)用模糊優(yōu)選模型優(yōu)選水利樞紐工程壩型

短句來(lái)源

     This article presents some successful practice to control the investment of the Xiaolangdi Hydro Project,which comprises:(1)organizational structure and management functions of investment control system;

     小浪底水利樞紐工程投資控制中有一些成功的實(shí)踐經(jīng)驗(yàn),具體包括:(1)投資控制體系的組織機(jī)構(gòu)及管理職能;

短句來(lái)源

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  hydro project

Results are presented for a fissured rock mass during the driving of tunnels for the Kousar hydro project (Iran).

      

The Raging River small hydro project was connected to the grid in May 2002.

      

The Assynt hydro project is a project which has been spearheaded by John himself.

      

Tell the member for Nelson-Creston to back off the Cascade heritage hydro project.

      

Modifications would require that the Hydro Project pipe its return flows under the river and return them to the fish passage entrance.

      

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Guanting Reservoir, which is a multipurpose hydro-project mainly used for flood-control and water supply to Beijing, is located on the Yongding River. This river and its tributaries Yang River and Sanggan River are sediment-laden rivers. The sediment yield of the gullied-hilly loess area amounts to 10 kt/km2 or more. The yearly average sediment load at Guanting is 70×106 tons.The storage capacity of the reservoir is 2.27 × 109m3, which consists of two parts-----40% in the main stream and 60%in its...

Guanting Reservoir, which is a multipurpose hydro-project mainly used for flood-control and water supply to Beijing, is located on the Yongding River. This river and its tributaries Yang River and Sanggan River are sediment-laden rivers. The sediment yield of the gullied-hilly loess area amounts to 10 kt/km2 or more. The yearly average sediment load at Guanting is 70×106 tons.The storage capacity of the reservoir is 2.27 × 109m3, which consists of two parts-----40% in the main stream and 60%in its tributary Guishui River. Since the completion of the dam construction in 1953, the reservoir has been used as a storage basin. Serious defects, such as the rapid loss of storage capacity and the upstream extension of backwater deposition, have been exposed. Now the terminal of the backwater deposition is upstream the confluence of its two tributaries. In this paper the emphases are put on the following problems: the sedimentation process of the sand bar at the river mouth of the Guishui River, its effect on loss of the available storage capacity in the tributary; the upstream extension of backwater deposition and its effect; and the threat of blocking of bottom sluices by sediment. The effect of human acfivity in the basin on incoming water and sediment is discussed.The measures for reducing the siltation in reservoir, the demand for further investigation and research works are also presented.

本文著重探討了官?gòu)d水庫(kù)這座在多沙河道上具有分支庫(kù)區(qū)的、水庫(kù)末端位于兩條支流匯合處上游的典型水庫(kù)淤積問(wèn)題。該水庫(kù)運(yùn)用30年來(lái),泥沙問(wèn)題突出表現(xiàn)為支流河口形成攔門(mén)沙、淤積末端上延和輸水洞被淤堵等。文中還討論了流域人類(lèi)活動(dòng)對(duì)入庫(kù)水沙和淤積的影響,并對(duì)今后研究方向和治理措施提出建議。

In conformity with the prevailing financial conditions, a cost analysis of both hydro and thermal projects is made at some length. The economy of a certain hydro project is proved.

本文針對(duì)某大型水電工程,對(duì)比火電進(jìn)行了詳細(xì)的成本分析計(jì)算。論述水電方財(cái)務(wù)上的優(yōu)越性,通過(guò)華東區(qū)一項(xiàng)運(yùn)煤送電方案的具體比較;論述了送電方案的經(jīng)濟(jì)性。

The planned Three-Gorge Hydro Project (TGHP) is located in The Central Power Network of China (CPNC). CPNC and The East Power Network oE China are planned to achieve the interconnection through two bi-poie DC links and three circuits of 500kV AC power ties for transfering about 6000-7000MW of electric power from the west to-the east. In order to enhance the transmission capability of the ties, the DC modulation principle, and its results, and its function in the TGHP AC-DC parallel transmission system...

The planned Three-Gorge Hydro Project (TGHP) is located in The Central Power Network of China (CPNC). CPNC and The East Power Network oE China are planned to achieve the interconnection through two bi-poie DC links and three circuits of 500kV AC power ties for transfering about 6000-7000MW of electric power from the west to-the east. In order to enhance the transmission capability of the ties, the DC modulation principle, and its results, and its function in the TGHP AC-DC parallel transmission system are described in this paper. The minimal time control theory is used for DC modulation and the sub-optimum control modes are suggested, i.e. phase angle shif (A) and frequency shif (f) modulating modes. During fault condition either in EHVAC or HVDC, 0 or f is used as a control signal to change the transfer power of HVDC immediately, thus the whole interconnected AC-DC system will reach a stable state within a minimal time period. As the digital study indicated that the power unbalance between the sending and receiving ends caused by either the severe fault on the EHV tie-line or the permanent fault on two poles of HVDC line can be decreased rapidly, and the power oscillation can also be damped effectively. Using above stated modulation method, the transfer capability of TGHP can be increased by 10%. Instead of DC modulation, the strategy of generator triping 4x500MW at TGHP will be necessary to maintain similar stability level.

本文利用最短時(shí)間控制原理研究三峽直流調(diào)制,并按次最優(yōu)控制提出了兩種直流調(diào)制方法。該方法對(duì)交流故障和直流故障均適用,可以有效地抑制系統(tǒng)振蕩,明顯改善系統(tǒng)的暫態(tài)穩(wěn)定性能,提高交直流并聯(lián)輸電的能力。本文還對(duì)直流調(diào)制與切機(jī)措施作了比較。同時(shí)對(duì)直流調(diào)制信號(hào)的選取及調(diào)制量的整定也作了探討。

 

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  本文關(guān)鍵詞：《水利水電工程鋼閘門(mén)設(shè)計(jì)規(guī)范》可靠度初校，，由筆耕文化傳播整理發(fā)布。

本文編號(hào)：213765