水輪發動機 的英文怎麼說
中文拼音 [shuǐlúnfādòngjī]
水輪發動機
英文
hydraulic generatorhydro-generator-
This paper utilizes computer technique and mcu, and realizes water - wheel dynamotor ' s wireless communication, vibration analysis, data acquisition and process, and so on
本文利用現代計算機與單片機技術,實現智能巡檢管理系統對水輪發電機組的振動分析、數據採集與處理等功能。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」 。Research on vibration influence of main power house induced by increment of capacity of hydrogenerating unit and improvement
水輪發電機增容改造對主廠房的振動影響研究As a prime mover, a small hydro turbine can produce the independence power for agriculture and industrial machines without fossil fuel
摘要小型水輪發電機作為原動機能為工農業機械提供自主電源。A separated collecting ring with carbon brushes was designed and manufactured for the dynamic stress test of spoke plates of rotor of bulb tubular turbine generator
摘要根據測試需要,設計自製了分體式碳刷集流環,對燈泡貫流式水輪發電機轉子輻板進行了動應力測試。Basic specifications of automatic control components devices and their related system for hydroturbine - generating sets
水輪發電機組自動化元件裝置及其系統基本技術條件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。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。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。Staru - up test code for hydraulic - turbine and generator units
水輪發電機組啟動試驗規程Start - up test code for bulb turbine and generator units
燈泡貫流式水輪發電機組啟動試驗規程Research on vibration fault diagnosis of hydroelectric generating unit based on pnn
的水輪發電機組振動故障診斷In this paper, it ' s mainly discussed the electric turbine driving equipment needed by the 400 mw hydraulic power generators of the li - jia mountain to carry out the axis modifying when its checking and repairing
本文重點討論李家峽40萬kw水輪發電機組檢修安裝所需進行軸線調整用電動盤車裝置。The successful development of this equipment has solved the problems of the turbine drove by hand when the batteries of hydraulic power generators in checking and repairing and improved the efficiency of the repairing
該裝置的研製成功,解決了以往水輪發電機組檢修中的手動盤車的問題,提高了發電機組的檢修效率。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。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。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。The oversimplified models can not reflect the mutual effect of hydraulic system and power system, and they may cause irrational conclusions when they are used in the studies on middle or long term stability, resynchronization of hydro turbine and generator and large - disturbance surge tank system that relate closely to the mutual effect of hydraulic system and power system or the auto governing
採用這種水或電的單方面簡化模型不能準確反映水力系統與電力系統的耦合作用,對于諸如電力系統中長期穩定、水輪發電機組再同步、調壓井系統大波動穩定等這些與水電耦合和自動調節作用密切相關的問題的研究,可能導致不合理的結論。Usage : it is suitable for the polishing of the boorster vane of motors, the turbine of water pumps, as well as various stainless steel castings, and can also be used as casting materials for other precision foundings
鑄造微粉適用范圍:適用於發動機增壓器葉輪、發動機渦輪、水泵葉輪、各種不銹鋼鑄件及其他精密鑄件的鑄造用原料。Francis turbine generator set of both vertical and horizontal types are suitable for water head from 10m to 300m. its feature is that the water flow enters the runner inward in a radial direction, changes direction gradually and then passes out axially
水斗式水輪發電機組適用於水頭80 ~ 800米,是利用水流動能沖擊水輪機轉輪旋轉作功,且其噴嘴的射流中心與轉輪在同一平面上。分享友人