轉輸流量 的英文怎麼說
中文拼音 [zhuǎnshūliúliáng]
轉輸流量
英文
flow feeding the reservoir in network- 轉 : 轉構詞成分。
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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Other auxiliary equipment and meters and instruments such as measure tank, storage tank, pmp, rotameter and temperature indicator should be prepared by customer. our company can also provide through additional process or order instead of customer as request
其他輔助設備和儀表如:計量罐、貯罐、輸送泵、轉子流量計、溫度指示儀表等用戶自備,我公司也可按用戶要求另行加工或代訂購供應。According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point
根據相似定律:流量與轉速的一次方成正比;揚程與轉速的二次方成正比;功率與轉速的三次方成正比。即在降低轉速,調低水泵出水揚程的同時,功率下降的幅度非常大,從中可以節省相當大的電能。完全應在高水位時降低水泵機組轉速,從而使電機的輸出功率隨著轉速下降值與轉速原值商的三次方關系下降。The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion. the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor
該流量測量系統採用卡發基水槽作為一次敏感器件實現了流量水位的信號轉換,並通過浮子?杠桿測量機構和磁阻式角度傳感器對水位信號進行拾取並轉化為電壓信號輸出。In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。In the process of parameters identification, the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities. the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last
在參數辯識過程中,以電機起動時的定子電壓為輸入量,定子電流和電機轉速為輸出量,對復合籠條轉子感應電動機轉子電阻和漏感進行在線估計,最後得到轉子電阻和漏感的辨識結果。The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short
分析結果表明: 20世紀60年代下荊江裁彎后,三口(松滋口、太平口、藕池口)分流分沙減少,下荊江徑流量和輸沙量相應增加,洞庭湖泥沙淤積減少; 80年代中期以後,長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢,城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡;三峽工程初期蓄水運用后,長江中游含沙量沿程恢復距離較長,但床沙質部分恢復距離相對較短。There are five parameters need to be measured. there are five channels for input : the displacement of casting - roller, the rotate speed of casting - roller, the pressure of casting and rolling, the casting temperature and the water - speed of cooling water. they are measured by raster, photoelectric coder, strain pressure sensor, thermocouple and turboflowmeter
系統需要進行監測的參數有五個,即有五路輸入信號:鑄輥位移、鑄輥轉速、鑄軋壓力、澆鑄溫度、冷卻水流速,分別採用光柵、光電編碼器、應變式壓力傳感器、熱電偶和渦輪流量計作為檢測元件。The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption
本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢;採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的;利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。The author also uses the computation by tabulation to test the to all kind of possible planning schema of section station, and figure out the cost of transportation by the component of car flow from the viewpoint of economical evaluatioa at last, a feasible planning schema about section station of xiang - shi line is drawn
並採用行車組織中慣用的表格計演算法分析驗證各種區段站設置方案的優劣,又從經濟評價的角度計算各種區段站設置方案條件下可能產生的有調中轉車流和無調中轉車流的數量,計算出各種方案的運輸成本費用,進一步論證襄石線區段站設置方案的可行性。In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
文中,比較分析了現有的多種離線手動調節流量平衡的方法,在水輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池水位和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。The numerical simulation for adjustable - blade pump on - line autoregulation in diversion works has been studied in this paper whose background is modification works of dongjiang - shengzhen diversion works. the problems include autoregulation on water height of the fore bay in single pump station, autoregulation on output of adjustable - blade pump in single pump station, and autoregulation on flow equation of multilevel pump stations
本論文以東江深圳供水改造工程為背景,對輸水工程中應用轉槳泵進行在線自動調節數字模擬進行了研究,其中包括單級泵站中對前池水位進行自動調節,單級泵站中對轉槳泵的輸出流量進行自動調節,以及多級泵站輸水系統流量平衡自動調節。Several transient simulation programs have been developed based on the models above, and were put into practice of the transient simulations of following : ( 1 ) autoregulation on water height of the fore bay in single pump station, and the influence of governor parameters ; ( 2 ) autoregulation on output of adjustable - blade pump in single pump station, and the influence of governor parameters ; ( 3 ) on - line autoregulation on flow equation of multilevel pump stations system
本文應用上述方法編制了過渡過程模擬程序, ( 1 )進行了單級泵站中轉槳泵在線自動調節泵站前池水位的動態模擬計算,並對調節參數的影響做了比較研究; ( 2 )進行了單級泵站中轉槳泵在線自動調節泵輸出流量的動態模擬計算,並對調節參數的影響做了比較研究; ( 3 )進行了多級泵站中轉槳泵在線自動調節輸水系統流量平衡的動態模擬計算。A method based on video analysis was adopted to measure the real - time coal flow on the conveying belt, and the turning speed of the reclaimer ' s bracket to fetch coal can be controlled automatically through closed - loop controlling
摘要採用視頻分析的方法實時檢測傳輸帶上煤瞬時流量,通過閉環控制方式自動控制斗輪機懸臂的回轉速度進行取煤。Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system
論文第二章從異步電機的基本數學模型入手,介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。Among them distributing with the traffic of average rate of increase law calculation flow of passengers capacity ; the flow of passengers is brought out in model law calculation with gravity ; constructing the rate sharing responsibility for building model calculation according to transportation resistance shifts the flow of passengers ; think over time value when the flow of passengers is brought out in the calculation
以膠濟鐵路提速改造為例,就構造的客運量預測模型作了應用研究。其中以平均增長率法計算客流量的交通分佈;以重力模型法計算誘發客流;依據運輸阻力構建的分擔率模型計算轉移客流;在計算誘發客流時考慮了時間價值。East china is located in the economically developed, intensely populated southeast coastline of china, where on the average the market maturity, economic development and consumption level are more advanced than those of other places of china. although east china railway passenger transportation industry is faced with plentiful consumption demand, it gradually assumes more and more pressure in an improving market - oriented economic environment based on the following analyses : ( 1 ) the rapid development of aviation and highway transportation lead to the unprecedented fierce competition resulting in a great challenge to the railway passenger transportation to expand its market share
華東是我國東南沿海經濟發達、人口稠密地區,市場化進程、經濟發達程度和消費水平均領先於全國。華東鐵路旅客運輸業面對的是一個客流量充沛的旅客運輸市場,但是,在日益完善的市場經濟環境中,它面臨的壓力也越來越大,這是基於兩方面的原因:一方面由於航空和公路客運的超常發展,市場競爭空前激烈,對鐵路客運擴大市場份額形成很大的挑戰;另一方面作為一個處在轉型過程中的國有特大型企業,對市場的研究、對旅客消費心理的研究還剛剛起步,市場營銷尚處在初級階段。The paper finishes the analyze and design on utra - low power consumption from sides of the design of sensor, the choice and running of microprocessor display with lcd. at last, the paper finishes the flowmeter with utra - low power consumption
文中緊緊抓住功耗問題,分別從傳感器等輸入通道、單片機的選擇及運行方式、液晶顯示等傳感器輸出通道及電池電源的選擇等方面對ls旋轉流量計進行超低功耗分析、設計。In data communication, a device capable of electronically reviewing amounts of data and translating the data into a machine readable form
數據通信領域中經常使用的一種電子設備,用於觀察鏈路上的數據流量,並把這些數據轉換成機器可讀形式(以便進行傳輸) 。In order to make a clear technical analysis on it, author sets out research work with it ’ s principal and derives basic formula which makes it clear why crehsm can performance ultra - low speed without velocity pause
從連續回轉伺服馬達的結構模型入手,分析了新型馬達可以實現轉速、流量和理論輸出扭矩的無脈動。針對馬達超低速的特性,作者提出了改善其性能的措施。分享友人