換流機組 的英文怎麼說
中文拼音 [huànliújīzǔ]
換流機組
英文
converter set- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 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...
- 機 : machineengine
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 機組 : 1 [工業] (一組機器) set; assembling unit; machine set; plant unit; team; unit assembly 2 (飛機...
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Pressure sensor and hygrothermograph sensor are adopted respectively to sense these change ; a plc and its analogue cell are adopted to collect and analysis the data ; a mcgs component software is used to process and store the data in real time
給出了以壓力、流量和溫濕度傳感器為測量元件、以plc為主控制器、 plc模擬單元為數據轉換單元的詳細硬體設計、程序設計和組態軟體mcgs在上位機的運用。The second part analyses the resistance during the reform program which mainly arising from the following aspectsrthe ideological obstacle on the reformation ; the difficulties on the function transition of the local govemment ; the inconvertible vested interest of the local government ; the legal system of administrative organizations is not in perfect condition ; lack of authorized restrictive mechanism ; the limit maneuver of people diversion ; social welfare system reform and other auxiliary reforms are backward
第二部分分析了市縣鄉政府機構改革的阻力。即在市縣鄉政府機構改革問題上存在著思想障礙;職能轉換難;部門利益化的阻礙;行政組織法制不健全,缺乏權威有效的制約機制;人員分流的迴旋餘地小;社會保障制度改革和其它配套改革滯后等。This strategy effectively solves the power distribution between the apu and batteries during the drive of the heb. the power control model and multi - torque switching strategy of the driving motors control the charging - recharging current of the batteries within a wide range, which contribute to the improvement of the efficiency
該策略很好的解決了車輛行駛時輔助動力系統與蓄電池組之間的功率分配,並且驅動電動機採用功率控制模式以及多級動力輸出切換策略,有效的控制了蓄電池的充放電電流,從而提高了整車效率。Finding a feasible and efficient load balanced strategy for the ultra - scalable multi - plane multi - stage switch architecture is a top of nowadays research. the dissertation proposes a two - stage load balanced scheme for the ultra - scalable multi - plane multi - stage switch architecture based self - routing and non - blocking permutation benes network. the approach uses reasonable and efficient logical queueing strategy and schedule scheme in ingress traffic managers and switch planes to realize the two - stage load balancing of ip traffic which for different destination addresses
本文提出一種適用於基於完全可重排無阻塞benes拓撲構建的多平面多路徑(多級)超大容量交換結構的兩級負載均衡策略,通過在輸入流量管理器和benes交換平面內部實施合理而高效的隊列組織調度方法,有效實現了基於不同目的地址的ip流量在兩個層次上的負載均衡,較好彌補了ciscocrs - 1系統在平面選擇和中間級選擇時所採用的簡單隨機或輪循方案的不足。Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return
在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈線性趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0
在基於db2小波的運動補償時域濾波方法實現之後,本文將之和離散小波變換( dwt ) 、嵌入式零樹編碼進行有機結合,並採用基於基本原子粒的數據流組織結構將分層后的數據流有效地組織起來,實現了具有時間、空間、質量三方面的完整可伸縮性的編解碼系統,系統的軟體平臺基於vc + + 6 . 0實現。The zs3 series multiple directional control valves, one kind of combination valves with the manual directional control valves , are mainly used in hydraulic systems of engineering machinery, mining machinery, lifting transportation machinery and other machinery to change flow direction for integrated control over several actuator
Zs3系列多路換向閥是一種以手動換向閥為主體的組合閥,它主要用於工程機械、礦山機械、起重運輸機械和其他機械液壓系統,用以改變液流方向,實現多個執行機構的集中控制。Takes several energy saving measures for air conditioning system, nick a large capacity centrifugal chillers working with variable frequency nil capacity chillers, variable frequency and variable flow control on secondary pump water systems, cooling tower for four - pipe water system in winter, fan - coil unit for commercial peripheral zones aid all - air systems for interior zones, variable frequency control on supply and exhaust air fain, enthalpy control on fresh air cooling in winter and intermediate season
採用了多項空調節能措施:大冷量離心冷水機組搭配變頻小冷量機組,二次泵變頻變流量空調水系統,四管制風機盤管冬季用冷卻塔換冷供冷設計,商業外區風機盤管、內區全空氣空調系統,送風機、排風機變頻控制,過渡季、冬季利用室外新風通風降溫的焓值控制設計。By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法,降低了進入二段壓縮機冷凍油溫度,排除了壓縮機運行中的故障,改善了機組的運行效率。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source
摘要基於李家峽水電站雙排機組振動的現場試驗研究,並且針對傳統頻譜分析方法傅立葉變換( fft )對于非平穩信號已力不從心這一缺陷,利用小波分析方法在時域和頻域上同時具有良好的局部化性質,通過對開停機這一典型非平穩過程信號進行小波及小波包分析,將其分解到不同頻帶內,獲取微弱信息和提取優勢頻率,並對其作振源分析,得出開停機初始時刻因水流不穩均出現強烈的振動現象,且低頻段信號能量最大,開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space
通過使用換流器電刷的組合作為一個機械整流器以使得電樞的端電壓為單方向的同時也使得由電樞電流所產生的磁動勢在空間是固定的。In the special fields locking valves, underground mining, water hydraulic systems or beyond that with mining machines, hydraulics, selector valves as well as with aggregates, open cast pit, strip mining, surface mining and / or with hydro and hydraulically is saartech hydraulik gmbh well - known
Saartech hydraulik gmbh是一家現代化的、可靠的專門產品供應商,這家供應商從事成套設備、機組,礦山機械,液壓系統,液壓,液壓動力源,液壓缸,醫藥技術,地下,地下開采,整流器、整流管、閥、閥門,截止閥、關閉閥,露天礦,水壓學、水壓技術、水壓系統,方向閥,換向閥,液壓的的製造、銷售。He specialises in power electronic converters for variable speed windmills and medium voltage drives designs for ac motor drives from, high speed micro turbine and variable speed gen - sets, innovative circuits for ups applications, traction applications in trains, trolley - buses and trams, battery driven vehicles, automotive drives and fuel cell applications
施雷伯先生的專長是研究變速風力發電機的電力電子變換器和用於交流電動機驅動的中壓電力電子設計,從高速微型燃氣輪機和變速機組,用於ups應用的新型電路,歐列車中的牽引應用,無軌和有軌電車,電池驅動汽車,汽車驅動和燃料電池。This business is a global provider of power generation systems, components and services for a diversified customer base to meet the needs for standby power, distributed generation power, as well as auxiliary power needs in specialty mobile applications
康明斯電力的產品線包括發電系統、機組用發動機、控制系統、交流發電機、轉換開關系統和開關櫃等。It can generate high - stable and linear current signal and utilize butterworth low pass filter to eliminate the noise and ripple in the signal. according to the different functions of different pins, this circuit can modulate and control the output power of the laser diode and modulate the laser signal, which makes this laser diode driver have more valuable application. in the last part of the paper, the feasibility of the theory is validated by experiment data
其次,根據ic - wkn的內部電路和不同引腳的功能,設計了一套由d / a轉換器和單片機組成的信號調節電路,使之能夠輸出具有良好的穩定性和線性特性的電流調節信號,並選擇巴特沃茲低通濾波器來濾除信號中的紋波和干擾。Abstract : this paper deals with the simulation result analysis of three phase synchronous generator with rectified output with stator y connected, as well as with stator connected. the curves of overlap angle, displacement angle and power factor with load are presented, and the tendency of these curves are also described
文摘:對整流負載時凸極同步發電機定子繞組及y聯結模擬結果進行分析,繪出反映整流特性的換流重疊角、位移角以及功率因數隨負載變化曲線,並對變化趨勢進行分析。The main works are organized as follows : based on the switching function method and time domain simulations, the small disturbance transfer a characteristic through the converter is analyzed. because of the modulation effect of the converter, the small disturbance in the shaft of turbine generator will induce ac voltage component with the same frequency as the disturbance on the dc side. and the resulted ac current on the dc side will have the similar frequency shift when transfers to the stator of the generator
主要內容包括: ( 1 )基於開關函數法和模擬分析,研究了機組轉子上次同步頻率的小擾動,在hvdc交直流兩側響應的頻率特性- - - -轉子上的小擾動經直流換流器調制后,將會在系統直流側感應出與擾動同頻率的電壓分量;直流側電流擾動反映到交流定子側,也將發生頻率偏移。A novel index named comprehensive unit interaction factor is proposed to quantify the torsional interaction in an ac system with multiple hvdc converters
( 5 )提出了一種衡量多換流站系統機組扭振作用的新指標一綜合機組作用系數。First, the dynamics characteristics of the heat - exchanger unit is analyzed carefully by using the knowledge of the fluid dynamics and heat transfer etc., and makes some reasonable simplicities and assumptions. so it establishes the mathematical model of the working process of the heat - exchange unit, and applies the recurrence parameter estimator to identifying and proving
本文首先綜合應用流體力學、傳熱學等方面的知識,分析了換熱機組的動力學特性,通過合理的簡化和假設,建立了換熱機組工作過程的數學模型,並使用遞推參數辨識器對其主要參數加以估計和驗證,從而得到換熱機組的carma (受控的自回歸滑動平均)或carima (受控的自回歸積分滑動平均)模型。分享友人