水中用電機 的英文怎麼說

中文拼音 [shuǐzhōngyòngdiàn]
水中用電機 英文
submersible machine
  • : 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...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : machineengine
  • 水中 : aquatic; water水中爆炸 water shooting; 水中浮游生物 hydroplankton; 水中氣泡 underwater bubble; 水...
  • 用電 : electricity utilization
  1. The nanjing day tan oak domestic electric appliances limited company, is engaged in yu youyan machine, the fuel gas stove has, the fuel gaswater heater, the electric boiler, the electricity air bath, disinfects the cabinet, the electromagnetism stove and so on the smallelectrical appliances production and the sale operates privately thelimited liability company, the product proliferates area and so onmainland china and southeast asia has an experience rich technologyabundant outstanding team, has the specialty private enterprisemanagerial talent and control system day ke ren understood sets upthe brand, fully displays the team spirit, my si dingbi the takedivision of labor and cooperation, the superiority supplementary, resources sharing, the reciprocal benefit mutual benefit as aprinciple, provides extremely has the market competition strength bymight and main for the collaborator the product our objective is : development, innovation, prestige, highly effective, enterprising, strives for realism, development, quality

    南京天柯家器有限公司,從事于油煙,燃氣灶具,燃氣熱器,器,氣鍋,消毒櫃,磁爐等小家生產及銷售的私營有限責任公司,產品遍布國大陸及東南亞等地區.有著一支經驗豐富技術雄厚的優秀團隊,有專業的私營企業管理人才和管理制度.天柯人懂得樹立品牌,充分發揮團隊精神,我司定必以分工合作、優勢互補、資源共享、互惠互利為原則,竭力為合作者提供極有市場競爭力的產品.我們的宗旨是:開拓,創新,信譽,高效,進取,求實,發展,質量
  2. 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

    本文分析了國內外站自動控制裝置的研究和發展狀況,尤其是國內小型站的自動化現狀,針對現有力部門的需求,設計並實現了一種單元式的微自動監控裝置,該裝置不僅實現了對站內各種模擬參數和數字信號的實時監測功能,還對輪發組進行了調控,通過與上位處理程序的配合,可以實現站的自動發控制、組順序啟停;在測量發壓和流參數的時候,採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、集管理」 。
  3. The rational transient process is set by the improving td based on the classical pid controller, which effectively reduces undershoot of non - minimum phase system

    使之於功率設定值變化的輪發組有功功率控制,模擬結果表明了該方法的有效性。
  4. Our product driven by y - h marine motor is approved by china classification society that it is suitable to match with marine product as a boiler feed pump of for other use

    我廠產品,採y - h型船驅動,通過國船級社形式認可,可與船產品配套,作為船泵或船鍋爐給泵,船消防泵
  5. 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

    第三章採大渦模擬亞格子渦粘模型,對巖灘混流式的流場進行三維非定常湍流分析,得到了流場各物理量的脈動特性,計算出ms的軸向推力與模型試驗值大小相當;同時論證了對于下架承重的混流式輪發組可採其推力軸承負荷作為站廠房振動的最大垂直激振荷載。
  6. 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,可廣泛應小型輪發組的調速控制,對于提高我國小型站自動化平具有重要的實際意義。
  7. 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s7 - 200plc基本單元內置的高速計數器以及相應的外圍放大整形、分頻路,實現了輪發組頻率的測量;在軟體上,對微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;調速器的械液壓隨動系統具有步進液轉換元件,採五相反應式步進,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進驅動器之間數字介面。
  8. 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

    這種的單方面簡化模型不能準確反映力系統與力系統的耦合作,對于諸如力系統長期穩定、輪發組再同步、調壓井系統大波動穩定等這些與耦合和自動調節作密切相關的問題的研究,可能導致不合理的結論。
  9. 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

    斗式輪發組適頭80 ~ 800米,是利流動能沖擊轉輪旋轉作功,且其噴嘴的射流心與轉輪在同一平面上。
  10. 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

    在單系統和三無窮大系統對汽輪發輪發的gahc控制進行了模擬實驗,模擬實驗結果驗證了: gahc提高了汽輪發輪發抵抗三相短路故障擾動沖擊的能力; gahc在多系統對其它發的穩定性不會產生危害作的gahc克服了錘效應對穩定性的危害作
  11. 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

    摘要針對輪發組在停過程,目前廣泛採械制動和常規的氣制動所存在的問題,提出了採減磁法來進行組的氣制動。
  12. While the scientific technology developing at a tremendous speed, the level of hydro - generator manufacturing is increasing. now the f - class insulation standard for generator is adopted, and cad for hydraulic design has spread, and advanced theory in hydraulic design is applied, and insulation materials are discovered, and precise processing techniques are under research. in the hydroelectric industry it ' s necessary to increase the generating units " installed capacity to take advantage of an old power plant and to raise the utilization ratio of water power energy

    隨著科學技術的飛速發展,力發的生產製造平日益提高, f級絕緣在的運;計算cad輔助力設計的推廣,先進的力設計理論的應,新的氣絕緣材料的發現,精密的加工工藝的研究,為了提高能利率,使老站煥發青春,組增容改造已是事業發展一項不容忽視的工作。
  13. Urbular turbine generator set is suitable for heads from 2m to 15m and large discnarge. its feature is that water flow is axial throughout the passage from the inlet to the outlet, so that the passage is straight conduit essentially. the tubular turbine generator set is characterized by good characteristic of water flow and high efficiency. etc

    混流式輪發組廣泛適於高低各種頭,一般從10米至300米,其特點是流流經轉輪葉片時先沿著幅向進入,然後逐漸變成軸向離開,因而混流式輪發組具有運行可靠,結構簡單,平均效率較高等特點。
  14. 2. analysis to the structure and function advantage of the ring gate adopted in the xiaolangdi hydropower plant was made in the paper. the result indicate that the ring gate is adaptive for the hydropower station constructed on the silt - laden river, especially for the station working to the regulate peak value, has an advantage

    2 、對小浪底輪發組的筒閥結構及功特點進行了研究,結果說明對于多泥沙河流上的站,尤其是在擔任調峰和備任務的站,採筒閥具有明顯的優勢。
  15. Application of the reliability theory to fault diagnosis of hydraulic generator set

    可靠性理論在輪發組故障診斷的應
  16. Study on the application of the reliability theory in the fault diagnosis of the water turbine generator set

    可靠性理論在輪發組故障診斷的研究
  17. 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

    該裝置對gahc在汽輪發輪發上的控制進行了以下動模實驗:單無窮大系統三相短路故障實驗和發發生失步故障后的再同步實驗、三無窮大系統抑制低頻振蕩的動模實驗。
  18. For the non - minimum phase characteristic of hydraulic turbine power set, this paper proposes and analyses the tracking - differentiator ( td ) with invariable tracking time based on the idea of arranging the transient process

    針對輪發組的非最小相位特性,基於設置過渡過程的思想,在傳統的pid控制器的基礎上應改進的td設置合理的過渡過程,有效的減小了非最小相位的反調。
  19. After briefly introduce the basic genetic algorithm ( ga ) theory, aimming at the " prematurity " of basic genetic algorithm, we put forward a new improved genetic algorithm, the basic genetic algorithm combine simulate anneal ing ( gasa ), to meliorate the local search ability of basic genetic algorithm. because many design problems, such as the preliminary fuzzy rule and input and output membership fuction are hard to gain and the learni ng process of fuzzy neural network ( fnn ) is slow and local optimization, we design the fuzzy neural network excitation controllers of turbine generators with genetic algorithm combine simulate anneal ing ( gasa )

    本文首先介紹了輪發勵磁控制方式和軟計算理論的發展,然後介紹了遺傳演算法的基本理論,針對基本遺傳演算法存在的「早熟」現象,介紹了一種遺傳演算法結合模擬退火的改進型遺傳演算法,改善了基本遺傳演算法的局部搜索能力。鑒于常規模糊神經神經網路勵磁控制器設計方法存在著初始模糊規則和輸入輸出隸屬度函數難以確定以及模糊神經網路訓練緩慢和難以達到全局最優等問題,利遺傳演算法結合模擬退火的改進型遺傳演算法來設計模糊神經網路勵磁控制器。
  20. In the thesis, wireless sensor network application for hydro - generator condition monitoring, break through the mode of wire centralized monitoring model which is widely used now

    本文將無線傳感器網路應輪發組狀態監測,突破了目前流行的有線集監測模式。
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