每相電流 的英文怎麼說
中文拼音 [měixiāngdiànliú]
每相電流
英文
current by phase (amp)- 每 : Ⅰ代詞(指全體中的任何一個或一組) every; each; per Ⅱ副詞(表示反復的動作中的任何一次或一組) often; every Ⅲ名詞(姓氏) a surname
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 電 : 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...
- 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...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on
智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表,它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。The generator shall be run without load for 30 minutes, to record the phase current, volt, frequency, stator and bearing temperature once at intervals of 10 minutes
電機應空載試運行2小時,每隔30分鐘記錄一次相電流、繞組和軸承溫度。In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high
針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。The stochastic optimization method is brought forward, which makes a great amount of simulation of other bidder ' s biding in electrical market, as for every simulation, genetic algorithm is applied to solve the optimization problem, in consideration of the restraint of direct current network, one optimal bid is got, then using the average optimal bids in a great number of simulations as the last optimal bids. the program using c + + language of this method is programmed and examples are discussed for simulation, examples prove the bidding method ' s validity
最後基於第五章的分析,提出了一種採用隨機優化和遺傳演算法相結合的競價方法,即對電力市場中各個競爭對手的報價作為隨機變量進行大量模擬,針對每一次模擬,在考慮直流潮流網路約束的情況下,用遺傳演算法求出一次模擬對應的最優報價,然後把大量模擬樣本求得的最優報價的均值,作為最優報價。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。The g2 adjustment is a service or factory level adjustment, normally only done at the factory or at installation, which adjusts the bias current for each tube individually so that they all come on at the same time
每一隻投影管都需要一定量的偏置電流才能夠正常工作,然而,每隻管及其相應的電路參數都會有些差異,因此所需的偏置電流也不太一樣。We have very strong quality to realize and have 1 from managed to produce to all tightly grasp not to put to the quality of professional production troops, we wore again more than 10 years produced experience of conduct the motorcycle, we treated a motor car this product with the request of produce the motorcycle while produce motor car, therefore, we believe, i take charge of of the product can let each customer trust, we also every moment don ' t forget the customer ' s safety, can say, and the craft process of our creation is very to pay attention to
一:我們有著很強的質量意識,具備一支從管理到生產都對質量緊抓不放的專業生產隊伍,我們又著十幾年生產經營摩托車的經驗,我們在生產電動車時,是用生產摩托車的要求來對待電動車這一產品的,因此,我們相信,我司的產品能讓每個用戶放心,我們也時刻不忘用戶的安全,可以說,我們的製作工藝流程是極其講究的A : we have very strong quality to realize and have 1 from managed to produce to all tightly grasp not to put to the quality of professional production troops, we wore again more than 10 years produced experience of conduct the motorcycle, we treated a motor car this product with the request of produce the motorcycle while produce motor car, therefore, we believe, i take charge of of the product can let each customer trust, we also every moment don ' t forget the customer ' s safety, can say, and the craft process of our creation is very to pay attention to
一:我們有著很強的質量意識,具備一支從管理到生產都對質量緊抓不放的專業生產隊伍,我們又著十幾年生產經營摩托車的經驗,我們在生產電動車時,是用生產摩托車的要求來對待電動車這一產品的,因此,我們相信,我司的產品能讓每個用戶放心,我們也時刻不忘用戶的安全,可以說,我們的製作工藝流程是極其講究的Yet we don t always pay much attention to the various aspects of money that are of great importance to all of us : how the value of money is kept stable, for example ; how money is stored and put to work through the banks ; how money circulates around the economy ; how different forms of money - from coins and bank notes to the latest e - money - function
大家每日都會接觸和使用不同形式的貨幣,但對一些環繞貨幣而與我們息息相關的事情,像貨幣價值如何維持穩定貨幣如何經銀行儲存然後再轉作其他經濟用途貨幣如何在經濟體系內循環流通硬幣紙幣以至電子貨幣等各種形式的貨幣如何運作等,我們卻很少會留意。From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed
從輸電損耗最小的角度出發,提出了任意相無中性線或有中性線系統的瞬時無功功率理論,在新的理論下,每個量都有清晰的物理意義,且能分解出零序電流的有功分量和無功分量,並給出了通用的零序電流補償方法,揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別,從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。The ca system envolved in the three components. it " s intension is to scramble or descramble the streams which is the services requested by any users. so if the user pay the charge, he / she can get the service
有條件接收系統貫穿在這三部分構成的整個系統之中,目的就是根據每個用戶申請的服務將相應的碼流構成完善的加解擾系統,使每個用戶在按時交費的基礎上可以得到相應的服務,使廣電網路真正成為一個能夠自我積累發展的產業。So ac frequencies at each station must match but be offset in a precise manner to keep power flowing in the right direction
更復雜的是,流通在電力輸送網上的是交流電,所以每個電廠之間的交流頻率必須完全相同且相消,使電力能夠流往正確的方向。Two or more generators shall be used to generate electricity by the synchronous equipment
發電機在帶負載試運時,每隔30分鐘記錄一次相電流、繞組和軸承溫度。The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )
論文在討論了直線直流步進電動機工作機理的基礎上,根據兩相混合式直線直流步進電動機( hdclsm )集中繞組的通電特點和脈沖步進控制方法,採用單片機為核心控制單元,提出了兩種數字控制方案,分別就每種控制系統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。The main achievements of the thesis are as follows : ( 1 ) kinds of techniques to detect magnetizing inrush of traction transformers are thoroughly investigated in this paper, and their limitation are indicated and corresponding improvement techniques are proposed. ( 2 ) in this paper, flux linkage equilibriun equations are used to build " ash - box " models of some traction transformers based on system identification, such as two - winding single - phase traction transformer, impedance - matching equilibriun traction transformer and scott traction transformer
論文的主要內容有: ( 1 )詳盡分析了現有的針對牽引變壓器勵磁涌流演算法的保護演算法,提出了每種演算法的局限性及其改進方法; ( 2 )提出適用於鐵道電氣化系統中各種牽引變壓器對應的三?二相轉換規則,利用該規則可將對應量的轉換置於保護軟體中,從而可大大減輕在牽引變壓器兩端外部復雜的接線。Test standards : gb17743 - 1999 limit and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment. gb17625. 1 - 1998 the limits for the harmonic current emissions caused by low - voltage electrical and electronic equipments ( equipment input current 16a per phase )
採用標準: gb17743 - 1999 《電氣照明和類似設備的無線電騷擾特性的限值和測量方法》 ; gb17625 . 1 - 1998 《低壓電氣及電子設備發出的諧波電流限值(設備每相輸入電流16a ) 》 。Abstract : starting from the equation of motion of a non - dissipative mesoscopic circuit with inductance coupling , the quantum fluctuations of charge and current in the eigenstates of the system and the squeezed vacuum state are investigated. the results show that the quantum fluctuations of the charge and current exist in all of the states. the fluctuations in each component circuit are connected
文摘:本文從無耗散的電感耦合電路的經典運動方程出發,分別研究了這一耦合電路在其任意的本徵態下和壓縮真空態下電路中電荷、電流的量子漲落,其結果表明,每個迴路中的電荷、電流都存在著量子漲落,且兩迴路中的量子噪音是相互關聯的Mesh analysis consists of assuming that currents ? termed loop currents ? flow in each loop of a network, algebraically summing the voltage drops around each loop, and setting each sum equal to 0
在網孔分析法中,假設每個網孔有一個電流流過,稱為迴路電流;然後將每個迴路的電壓降進行代數相加並令其為0 。After the host computer sends the broadcast command to order measurement operation, all slave devices will start to sample the input signals synchronously. when the sampling operation has finished, devices installed on the capacitive equipments will calculate the phase angle difference ( oi ) between leakage current and the reference voltage signal, and devices installed on pt will calculate the phase angle difference between secondary voltage and the reference voltage signal ( ou )
我們把一個50hz的交流基準電源引到每臺下位機內,主機發布一個廣播命令要求pt和電容型設備上的監測裝置同時采樣,電容型監測裝置計算出泄漏電流和基準源之間的相位差_ ( oi ) , pt上的裝置計算出二次電壓與基準源之間的相位差_ ( ou ) 。The d. c. resistance of each phase is also checked against the calculated resistance value for the stator and for balanced resistance between each phase
每個相位的直流電阻也經過與定子的設計負載電阻值進行核對,以確認能夠在每個相位之間進行平衡。分享友人