hydraulic governor 中文意思是什麼

hydraulic governor 解釋
液力調節器
  • hydraulic : adj. 1. 水力的,液力的;用水發動的。2. 液壓的,水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • governor : n 1 統治者,管轄者。2 地方長官,總督,縣長,市長(等);〈美國〉州長,(要塞等的)司令官;〈英國...
  1. In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor

    水輪機調速器是水輪發電機組一個很重要的自動化調節設備,它由調節器和電液隨動系統組成,在調速器安裝或者大修后都要對其性能和特性進行全面測試,為了方便對水輪機調速器的測試,特開發水力機組調速系統實時動態模擬儀,該模擬儀具有三種功能:對調速器調節對象(有壓引水系統、水輪機、發電機和電網)進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。
  2. Technical transformation of ct - 40 mechanical hydraulic speed governor

    40機械液壓調速器的技術改造
  3. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  4. 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。
  5. 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。
  6. Used the metering - out control system in which the hydraulic cylinder was the executive element as research object in this thesis, the experimental research about the effect on the pressure p1, p2 of the hydraulic cylinder chambers when series - connecting throttle valve or governor valve on the return oil - line under the step load changing have made

    本文以單出桿液壓缸為執行元件的出口節流調速系統為研究對象,在其迴路上分別串接節流閥和調速閥,當負載發生階躍變化時,對液壓缸兩腔壓力p _ 1 、 p _ 2的影響進行了試驗研究。
  7. Terminology of speed governor and oil pressure supply unit for hydraulic turbine

    水輪機調速器與油壓裝置.術語
  8. At present, the main way of electro - hydraulic governor of turbine is pid or some that bases on pid

    目前,水輪機調速器的主導調節規律仍然是pid調節規律,或者是以pid為基礎的調節規律。
  9. 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。
  10. The traditional pid control and all sorts of intelligent control have their advantages and defects. thinking of the hydraulic turbine governor system is a time mutative, fast unlinearity system, it is necessary to improve its feature and reliability with intelligent control system. therefore, a hydraulic turbine regulator based on nine - point controller is made in this paper

    傳統的pid控制無法解決穩定性、準確性、快速性的矛盾,考慮到水輪機調節系統是一個時變、快速的非線性系統,通過智能控制技術來改善其性能和穩定性是非常必要的,所以提出了一種基於九點控制策略的水輪機調節系統。
  11. It makes hydraulic turbine running with peak efficiency all the time. the governor is designed with model structure. closed - loop start - up strategy is applied during running and it realizes three adjust mode - frequency, wicket gate and power

    調速器採用模塊結構進行設計,在調節過程中實現了閉環開機控制策略,並可在頻率調節、開度調節、功率調節三種調節模式之間自動或手動無擾動切換。
  12. In this paper, in order to solve the economic production of run - of - river hydropower plant, the new control mode of regulating the water - level of the forebay is introduced into the hydraulic turbine governor

    本文針對帶有前池的引水式電站經濟運行的需要,在水輪機調節器運行方式中引入前池水位調節這一新型控制方式。
  13. 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。
  14. Tools of matlab / simulink have been used to imitate and model the control system of the codog power plant, a modular design approach from top to bottom has been used for modeling, the whole system includes the diesel and digital governor model, hydraulic coupling model, control system model of gas turbine, s. s. s

    本文運用matlab simulink模擬工具對codog物理模擬實驗臺進行了建模與模擬,建模採用自頂向下和模塊化的設計方法,整個系統包括柴油機及電子調速器模型、液力偶合器模型、燃氣輪機控制系統模型、 s
  15. Hydroelectric generating set has two type governing equipment. one is electro - hydraulic governor of turbine which can adjust frequency ( active power ) the other is excitation governor of generator which can adjust voltage ( reactive power ). they work together for meeting the requirements of the voltage and frequency that the electrical power system brings forward to

    水輪發電機組的調節裝置主要有水輪機調速器和發電機勵磁調節器,這兩套調節裝置分別負責電能有功(頻率)及無功(電壓)的調節,以滿足電力系統對電能的頻率及電壓的質量要求。
  16. Hydraulic pressure principle and structure characteristics of new type mechanical governor cabinet

    新一代調速器機械櫃液壓原理及結構特點
  17. The sample industrial controller of pcc step - type hydraulic governor using this method is proved to be successful by practical operation in hydropower stations

    在此基礎上,研究和開發了基於可編程計算機控制器( pcc )的步進式水輪機調速器工業樣機並在電站運行中取得了圓滿成功。
  18. Based on it, a new - style step - type electric - hydraulic servo is developed which simplifies the structure and improves the reliability of the governor, and the mathematical model and its stability control equation are obtained

    在此基礎上,提出一種全新的步進式電液隨動系統,使調速器整機簡單可靠;同時在建立該隨動系統數學模型的基礎上,得出了其穩定性控制方程。
  19. Control of fuzzy - integral parallel changed structure and its application in the speed governor system of hydraulic turbine generator

    積分並聯變結構控制及其在水輪機調速系統中的應用
  20. Based on modeling and analyzing the discrete mathematic model of hydraulic turbine governor system, the edge equation of stable domain of the discrete control system is obtained. according to this equation, the stable domain is specified. compared with continuous system, the changing rules and characters of the discrete system are found, which provide the theoretic foundation for researching the control strategy and the parameter adjustment of discrete control system of the hydraulic turbine governor

    在建立水輪機調節系統離散數學模型的基礎上,通過分析,給出離散調節系統的穩定域邊界控制方程,通過穩定域繪制,比較離散與連續系統的差異,找出離散調節系統穩定域的變化規律和特點,從而為研究水輪機離散調節系統的控制策略及調節參數整定提供理論依據。
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