相電流 的英文怎麼說

中文拼音 [xiāngdiànliú]
相電流 英文
phase current
  • : 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...
  • : 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...
  • : 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...
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三壓、三相電流的有效值、功率因數、三不平衡、壓短期閃變、以及20次內的諧波、諧波位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖環、液晶顯示和按鍵輸入等原理和路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  2. Compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism

    主要有以下幾個部分: 1建立了兩混和式動機的穩態數學模型,分析了超前角對相電流及機械特性的影響,並同時進行了模擬研究,給出了一些有意義的結論。
  3. 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

    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。
  4. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效路法計算了堵轉時的最大磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  5. Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control

    再次,本文介紹了角度控制與機轉向的關系,並對基於半橋變換器的勵磁雙凸極動機換角與相電流及輸出轉矩的關系進行了理論分析和模擬驗證,提出了優化勵磁雙凸極機換角的方法。
  6. Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit

    提出了一種改進的基於直迴路母線相電流壓重構方法。
  7. Based on classical phase voltage model, a line voltage model is derived and then the phase current model is obtained. beside, the solution for this novel mathematical model is also given

    本文基於經典的壓模型,導出線壓模型,然後推出相電流模型,並給出相電流模型解的表達式。
  8. The speed - independent position function of the rotor was given by analyzing the phase current and phase voltage of the permenent magnet brushless dc motor, using the powerful operation function of dsp

    利用dsp的強大運算功能,通過分析永磁無刷直動機的壓與相電流給出轉子速度無關位置函數。
  9. Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design

    首先,從本課題採用的徑向式結構的三永磁同步發機的物理模型出發,得出其基本路方程式,並分析了永磁磁動勢與繞組磁動勢間對位置的不同而對繞組感不同的影響,相電流對磁路飽和效應的影響,為車用永磁發機的優化設計提供了理論依據。
  10. This paper gives the fundamental equation of electric circuit of switched reluctance generator ( srg ). the phase flux linkage, indutance and phase current of srg are discussed based on unsaturated magnetic circuit

    給出了開關磁阻無刷發機的路基本方程,分析了基於不飽和磁路條件的磁鏈、感和相電流
  11. Generally, single phase grounding fault can cause both high phase current and zero sequence current. proper grounding protection set can act reliably and cut off fault

    一般地,單短路將產生很大的故障相電流和零序應的接地保護裝置將能可靠動作從而將故障切除。
  12. Based on quasi - linear model of sr motor, the influences of angle on phase current, output power, energy loss are analyzed. an optimum result of angle is produced in accordance to given target

    基於sr機的準線性模型,本文分析了開通角和關斷角與相電流、輸出功率以及損耗之間的關系,並根據給定的優化目標,給出了該機開通角和關斷角的優化結果。
  13. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻動機的理想線性數學模型為理論基礎,對其原理特性進行了說明,對開關磁阻動機的控制特性(轉速、轉矩) 、可控參數(導通角、關斷角、相電流、繞組端壓)與控制策略(斬波、壓斬波、角度位置控制等)及它們之間的關系進行了研究和分析。
  14. Phase transition of solid - liquid electrorheological system in flow percess

    固液雙相電流變系統動過程的轉變特性
  15. The system uses the popular double - deck controlling, namely the host communicates online with plc, at the same time it communicates with other stations by tcp / ip protocol. the electrodes regulate timely, quickly and true, with controlling three - phase voltage and current, so that power is stable comparatively

    本系統合理控制三相電流、三功率的大小,從而極能夠實時、快速、準確地按照冶煉工藝要求進行調節,使弧功率穩定在一定的范圍內,獲得期望的控制效果。
  16. Thirdly, current ripple will be calculated in two current control mode respectively and paper will make a conclusion about its interaction with the voltage, current, frequence and so on. finally this paper will show the design of the controller and test waveforms

    另外,本文分析了在兩種控制方式下,即pwm控制和滯環控制下脈動和繞組壓、相電流、轉速和開關頻率的關系。
  17. The lamp indicates the maximum current for range 40 100

    光柱指示最大相電流。顯示範圍40 100 。
  18. Application and principle of ground wire - selecting protection based on breakdown phase current

    基於故障相電流的接地選線保護原理及應用研究
  19. Two or more generators shall be used to generate electricity by the synchronous equipment

    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。
  20. Emf role in reverse, with the electrical currents in the frequency or rate increases and reduced, leading to the decline in torque

    在反向動勢的作用下,機的相電流隨頻率或速度的增大而減小,從而導致轉矩的下降。
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