水輪機的比速 的英文怎麼說

中文拼音 [shuǐlúnjīdebǐsù]
水輪機的比速 英文
unit speed
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 輪 : Ⅰ名1 （輪子） wheel 2 （像輪子的東西） wheel like object; ring; disc 3 （輪船） steamer; steamboa...
  • 機 : machineengine
  • 的 : 4次方是 The fourth power of 2 is direction
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 輪機 : turbine
  1. This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station

    本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究，通過對國內外的大容量、高水頭水輪機的比轉速統計計算，利用水輪機的相似理論，採用回歸統計計算方法，統計出了比轉速統計方程，並進行了水輪機主要參數選擇論證，提出了適合拉西瓦水電站水輪機的主要目標參數。
  2. For simple program, extend easily and high performance but low cost, it will be widely used medium or small hydropower plants governor. it will enhance the automation level of hydropower plants governor

    由於其編程簡單方便、擴展性強，同時兼有較高的性能價格比，可廣泛應用於中小型水輪發電機組的調速控制，對于提高我國中小型水電站自動化水平具有重要的實際意義。
  3. The capacity and size of modern hydrogenerator set are larger with rapid developing of hydroelectric engineering, specific speed of hydraulic turbine increase too. the phenomenon of excessive vibration in some load area is founded ubiquitously

    隨著水電工程建設的高速發展，現代水輪發電機組的容量和尺寸日趨增大，比轉速也相應提高，普遍出現在某些工作區域內振動過大的現象。
  4. The tubular turbines are the best selection for exploitation of tidal power and hydraulic power with extremely low heads and extremely large flow rates. they have large discharge, high specific and high efficiency, and need less excavation. they have been classified into bulb, pit, siphon and " s " types in the light of their structural types

    貫流式水輪機是開發特低水頭，特大流量水電站及潮汐發電的良好機型。該機具有開挖量小，過流量大，比轉速高等特點。按其結構型式分燈泡式豎井式軸伸式等。
  5. In order to improve coal slime dewatering results and operational reliability, according to the comparison of screen bowl centrifuge ' s structural parameters, operational parameters and dewatering results used at home and broad, proposed that, proper design parameters should be determined by the property of coal slime ; the separation factor and manufacture level of homemade screen bowl centrifuge should be improved ; the research on sieve and wear parts should be strengthened to improve the service life of wear parts ; planetary gear differential case should be used to improve the work reliability of whole machine and the automatization level of centrifuge control should be enhanced

    為提高國產離心機用於煤泥分離的效果和工作可靠性，通過對國內外同類產品的結構參數、操作參數和分離效果的比較，提出：根據國內洗選煤泥性質，確定合適的設計參數；提高國產離心機的分離因數和製造水平；加強對篩網及易磨損件的研究，提高易磨損件的使用壽命；採用漸開線行星齒輪差速器，以提高整機的工作可靠性；提高離心機控制的自動化水平。
  6. In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc

    文中，比較分析了現有的多種離線手動調節流量平衡的方法，在水輪機pid調速器的基礎上，針對轉槳泵設計了兩種新型調節器，通過改變轉槳泵的葉片安放角，分別能對泵站前池水位和泵的輸出流量進行自動調節；提出了兩種新型調節器的計算模型，使轉槳泵在線自動調節動態模擬得以在微機上得以實現。
  7. Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world

    主要對濃縮風能型風力發電機在正常運轉時，噪聲產生的機理進行了理論分析研究，並與普通型風力發電機的噪聲進行了對比實驗分析；利用現代聲學測試手段對兩類機型進行測試與分析，得出濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結論；通過對兩類機型的噪聲、輸出功率的測試，得出隨著風速的增加，兩類風力發電機的輸出功率在增加，產生的噪聲也在增加的結論；提出了進一步降低濃縮風能型風力發電機噪聲的措施，從主動降噪方面，研製低額定轉速的發電機；從被動降噪方面，採用微孔穿板的降噪結構；為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。
  8. Taking itae criterion as evaluating function of hydro - generator fuzzy gpss, the head - and - tail alternate crossover ga is compared to classical ga. the results show that the evolutionary rate of the former is apparently higher than the latter under a same accuracy

    以itae指標作為設計水電機組模糊gpss的評價函數，對首尾輪換交叉遺傳演算法與常規交叉遺傳演算法進行比較，結鄭州大學工學碩士論文果表明，對同樣的參數精度，前者的進化速度明顯高於後者。
  9. In this thesis, by the summarizing and analyzing about the present stability control study state of synchronous generator unit, it is achieved that the governor pss ( gpss ) is more suitable for the stability control of multi - machine system because of its better decoupled character than conventional pss ; the intelligence control theory is more reasonable than conventional methods to design the hydro - generator unit gpss because of the uncertainty of mathematical model of hydro - electricity system caused by intense nonlinear character and time - variant operating mode of hydro - turbine and water - hammer effect of hydraulic system

    本文對同步發電機組穩定控制的研究現狀進行了綜述和分析。認為：與常規pss相比，調速器側pss （ gpss ）具有良好的解耦特性，更宜用於多機系統的穩定控制；由於水輪機特性的強非線性、工況的時變性以及引水系統的水擊效應所導致的水電系統數學模型的不確定性，採用智能控制理論設計水電機組gpss較常規設計方法更為合理。
  10. Based on the open loop rule, this paper also gives a way of opening process, which uses the extraction of square root of the increment. it can start the hydroelectric generating unit quickly and smoothly

    對多種水輪機開機規律進行分析比較，以開環開機為基礎提出了一種增量開二次方的開機規律，實現了機組的快速平穩啟動。
  11. Aimed at special - purpose robot for hydraulic turbine repair, in this paper each aspect of kinematics for the robot including forward and inverse solution of pose, workspace, forward and inverse jacobian matrix, differential motion, forward and inverse solution of velocity and acceleration are detailed analyzed and computed, and then their programs are given in matlab language

    針對水輪機修復專用機器人，對其運動學的各個方面，包括位姿分析正、逆問題，工作空間，正、逆雅可比矩陣，微分運動，速度正、逆問題以及加速度正問題進行了詳細的分析和計算，同時給出基於matlab軟體編制的計算程序。
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