水輪制動機 的英文怎麼說
中文拼音 [shuǐlúnzhìdòngjī]
水輪制動機
英文
froude brake-
Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。The simulation studies indicate that the proposed fuzzy controller can improve the dynamic performances of hydro turbine governing system
模擬研究表明:所論模糊控制器可以顯著提高水輪機調速系統的動態性能。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。Research on kinematic analysis founds the theoretic base for farther study. ihca will be a new way to solve the inverse kinematic problem. it may be used for reference to the blending of multi - subject that the advanced technology in intelligent artificial is successfully used to solve the inverse kinematic problem
對水輪機葉形現場檢測機械臂運動學的研究為進一步的控制研究打下了良好的理論基礎;智能登山法巧妙的將人工智慧中的搜索演算法應用於機器人運動學逆解的求取,為機器人領域求取運動學逆解提供了一條新的途徑,對實現了多學科之間的融合也有一定的借鑒意義。The theme is an important part of province project for tackling key problem concerning the development of minitype welding and repairing instrument suiting for working in the turbine pit, the theme is worked in the welding and grinding robot. with d - h method the kinetic coordinate and equations are built which is the base of controlling robot
本課題是省科技攻關項目「機坑內修復小型焊補機的研製」的重要組成部分,本文的研究工作是針對水輪機修復專用機器人進行的,應用d - h方法建立了此機器人的各關節之間的坐標關系及其運動學正問題方程,為機器人系統的運動控制提供了可靠依據。The augment of excitation setting " s control performance is fairly important to improve the static, transient and dynamic stability of power system, and enhance the setting " s utilization rating of the hydraulic turbine generator unit
提高勵磁裝置的控制性能,對于改善電力系統靜態、暫態及動態穩定性相當重要,並且可以提高水輪發電機組的設備利用率。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。It is means that gahc would be harmless to the stability of other generators, when it is used to reduce the ste of local generator. the simulating tests of gahc used on steam turbine and hydro turbine had been done in single machine system and multi - machine system. the results of simulating tests show that the generator stability could be improved by gahc, it is harmless to the stability of other generators in multi - machine system
在單機系統和三機無窮大系統中對汽輪發電機和水輪發電機的gahc控制進行了模擬實驗,模擬實驗結果驗證了: gahc提高了汽輪發電機和水輪發電機抵抗三相短路故障擾動沖擊的能力; gahc在多機系統中對其它發電機的穩定性不會產生危害作用;水輪機的gahc克服了水錘效應對穩定性的危害作用。Starting from studying various environmental loads during the ship undocking process, an environmental loads calculation model and the environmental loads testing methods are established in this dissertation utilizing the orthogonal design theory. this dissertation also analyzes the impacts of the environmental loads at various ship undocking conditions. utilizing the current optimization technique and fuzzy evaluation method, this dissertation creatively studies the tug configuration mechanism and the ship motion simulation forecasting during the ship undocking process
本文從探索船舶出塢過程中的各種環境條件出發,利用正交設計理論制定了一套船舶出塢過程的環境載荷計算模型和環境載荷試驗測試方法,分析了在不同的出塢環境條件中,作用於船舶的環境載荷對船舶出塢的影響程度,利用目前的優化技術和模糊評價方法,率先研究和探討了船舶出塢過程中,拖輪配置機理、拖輪配置數量和方法,以及船舶出塢過程的運動模擬預報,還討論了擋水板對船舶出塢影響這一特殊問題。For solving the existing problems of machine braking and electrical braking during the process of stoppage of a turbogenerator set, a magnetic reducing method is recommended, which can greatly reduce the current of generators at switch due to remainder magnetic and abate the demand for braking switch
摘要針對水輪發電機組在停機過程中,目前廣泛採用的機械制動和常規的電氣制動中所存在的問題,提出了採用減磁法來進行水輪機發電機組的電氣制動。The development of the dynamic test - bed for fluid flow machine, one of the sub - projects within the " national 211 project ", can carry out the tests on the static and dynamic properties of not only both the hydraulic turbine units and water pump flits with the types of axial - flow, mixed - flow and inclined - flow, but also the centrifugal pump unit ; of which the testing process is automatically controlled by a pc with higher testing precision
摘要流體機械動態試驗臺是國家「 211工程」建設項目之一,可以進行軸流式(貫流式) 、混流式、斜流式水輪機組的靜特性、動特性試驗,也可以進行軸流式(貫流式) 、混流式、斜流式、離心式水泵機組的靜特性、動特性試驗,試驗過程由微型計算機自動控制,試驗精度高,操作方便、靈活。It ' s detailed introduced the composing principles of the electric turbine driver equipment and the designing ideas of the electric turbine driver equipment of the 400mw hydraulic power generator combining with the motor and automatic control theories
結合電機和自動控制理論詳細介紹了電動盤車的構成原理和單機40萬kw水輪發電機組的電動盤車裝置的設計思想。The problem of the digitalization of turbine model ' s characteristic curve is discussed for the requirements of turbine performance curve drawing automatically
摘要從自動繪制水輪機運轉綜合特性曲線出發,探討了水輪機模型特性曲線的數字化的問題。Through the unknown perturbation and uncertain estimation of the system, and feedback the estimation to the control system, the active disturbance rejection controller thus realizes the dynamic feedback linearization of those dynamic systems. the adrc theory is unique, and the method is simple, it suited to the non - linear an uncertain hydroelectric power sets
自抗擾控制理論通過對系統未知擾動和不確定量的估計,並將估計量反饋回控制系統中,從而實現系統的動態線性化,該理論思想獨特,方法簡單,特別適合於具有非線性和時變特性的水輪發電機組這樣的系統。The water turbine regulation system is a complicate auto - controlling system, it ' s small fluctuation dynamic course means : when the water turbine regulation system is interfered by tiny disturbance of load or command signal, the change of different parameters in the system is less, we can thought they are subtle change near by the discussing conditions, so we can make each tache in the system linearization, that is, describe the dynamic specialty of each tache and the whole system by means of linear differential equation
水輪機調節系統是一個復雜的自動控制系統,其小波動過渡過程是指水輪機調節系統在受到微小的干擾(負荷或指令信號擾動)時,系統中各參數的變化都較小,可以認為是在所討論工況點附近作微小變化,則可將調節系統各環節加以線性化,用線性微分方程式來描述各環節及整個系統的動態特性。The forward calculation of control signal and back - propagation of network - weight modification equations are given, along with the principle to specify the initial net - weight values. the output of the network is set with limit. simulation shows turbine controlled with the n - pid governor can achieve good static and dynamic characteristic
推導出了n - pid控制器的前向演算法和反傳演算法,討論了n - pid網路權重初值的確定和對輸出進行限幅的處理,在對使用n - pid控制器的水輪機調節系統所作的模擬實驗中,獲得了良好的動態和靜態性能。According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅動的步進式電液引導閥,從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題,使電液隨動系統的可靠性大大提高。The dynamic simulating system used to do the research of governor control had been established by the device. the dynamic simulating tests of gahc used on steam turbine and hydro turbine had been done with the device. the tests were three phases short circuit, restoring synchronous operation and restraining low frequency oscillation in three - machines system
利用該裝置對gahc在汽輪發電機和水輪發電機上的控制進行了以下動模實驗:單機無窮大系統中三相短路故障實驗和發電機發生失步故障后的再同步實驗、三機無窮大系統中抑制低頻振蕩的動模實驗。Both the guide vane opening and blade opening of a hydropower generating unit can be separately regulated during disturbance according to the optimal regulation laws thus obtained to optimize the transient process of water flow
它可以使得在擾動下水輪發電機組的導葉與漿葉的位置按照各自的優化控制規律進行調整,從而使水力過渡過程達到優化。分享友人