模型水輪機 的英文怎麼說
中文拼音 [móxíngshuǐlúnjī]
模型水輪機
英文
model turbine- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 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
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
- 輪機 : turbine
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Code for model acceptance tests of hydraulic turbines
水輪機模型驗收試驗規程Based on the linear model of governing object, this paper calculates the turbine turbine transfer coefficients and six ki parameters of generator in different work point, and the effect of these changing on latent root are calculated
以調節對象線性化模型為基礎,從1個實例計算入手,計算了不同工況下水輪機傳遞系數和發電機6個參數的變化情況,進而計算這些參數變化對調節對象特徵根的影響。The governor additional h control method, ( gahc ), was proposed in the thesis used on steam turbine and hydro turbine
針對汽輪機模型和水輪機模型提出了一種抑制可測干擾( p _ e )的調速系統附加h _控制方法( gahc ) 。The transient simulation of power system uses usually simplified models of conduit system and hydro turbine. similarly the simplified models of synchronous generator and power system are used in transient simulation of hydraulic system
電力系統模擬往往採用粗略的輸水系統?水輪機模型,而水力系統模擬則往往採用粗略的同步電機?電力系統模型。The artificial neural network is used to tackle an ill - posed problem of the parameter identification and to approximate nonlinear function relationship between the vibration responses of the hydraulic generator and model parameters
利用人工神經網路具有解決參數識別反問題不適定性的能力,建立了水輪機系統響應與模型參數之間近似的非線性函數關系。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。Methods for model tests of hydraulic turbine and reversible pump - turbine
水輪機及雙向泵水渦輪的模型試驗方法Code for model hydraulic turbine acceptance tests with sediment water
水輪機模型渾水驗收試驗規程The control of the government is analysised, the water - gate regulator system and paddle dispersed regulator system is introduced separately. second, the regulator svstem based on programmable controller is intr. ced
介紹了水輪機輪葉離散調節系統原理,並建立了輪葉離散控制系統的數學模型和框圖;第三章研究了以可編程式控制制器實現水輪機雙調節系統。Numerical prediction of pressure fluctuation within francis turbine for large - eddy simulation
基於大渦模型水輪機壓力脈動的數值預測Basically, the predicted cavitation phenomena coincides with those observed in the experiment for a corresponding model turbine, it indicates that the simulation can provide reference for the cavitation performance prediction of other turbines
數值預測的空化流動現象與模型水輪機空化試驗中所觀察到的現象基本一致,說明數值模擬結果可為水輪機的空化性能預測提供參考。On the basis of analysing the principle of hydro - turbine governing system, this paper adopts the module modeling method, divides hydro - turbine governing system into several subsystems like penstock, hydro - turbine, generator, governor, models them separately by mechanism, thus the whole system math model is established
本文在分析水輪機調節系統原理的基礎上,採用模塊化建模方法,把水輪機調節系統劃分為壓力引水系統、水輪機、發電機、調速器等幾個子系統,分別對其進行了機理建模,從而整合起整個系統的數學模型。As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor
作為設計和評價水電機組模糊gpss的基礎,本文歸納建立了簡單水電系統穩定分析與控制的數學模型,它包括:計及彈性水擊的水力系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水力系統?水輪機線性化模型;單機無窮大系統兩種詳細程度不同的線性化模型,即k _ 1 - k _ 6模型和c _ 1 - c _ ( 12 )模型;基於同步發電機三階模型的單機無窮大系統非線性模型;勵磁系統和調速器模型等。In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線法求解,對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account
本文根據南椏河姚河壩水電站的設計方案,對水輪機調節系統,按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律,在小波動情況下,對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型,並計及引水管道水力摩阻損失,對水輪機、調速器考慮了其中的非線性,利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。A mathematical model of automatic generation control for hydroelectric station is established, and a solution method to agc mathematical model on multi - nozzle scoop - type turbines is proposed
摘要建立了水電站廠內自動發電控制的數學模型,提出一種針對多噴嘴水斗式水輪機組的自動發電控制模型求解方法。Numerical prediction of three - dimensional turbulent flow in turbine runner using algebraic stress model
用代數應力紊流模型預估水輪機轉輪內部三維流場Hydraulic turbines, storage pumps and pump - turbines - model acceptance tests
水輪機蓄水泵和泵輪機.模型驗收試驗Numerical simulation of the steady cavitating turbulent flow in the whole flow passage of a kaplan turbine has been carried out by using a full cavitation model and a mixture two - phase flow model
摘要採用一種完整空化模型和一種混合流體兩相流模型,對軸流式水輪機全流道內的定常空化湍流流動進行了數值模擬。Based on the analysis of the components of medium - sized and pint - sized franic turbine, using 3 dimensional parametric design technology, 3 dimensional parametric model of franic turbine components is constructed, design platform of medium - sized and pint - sized franic turbine is established
摘要在分析中小型水輪機零部件結構特徵基礎上,利用三維參數化設計技術,構造水輪機零部件的三維參數化模型,建立了中小型水輪機開發平臺。分享友人