瞬進功率 的英文怎麼說

中文拼音 [shùnjìngōng]
瞬進功率 英文
instantaneous power
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 進構詞成分。
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  1. And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value

    本文在對一系列apfc電路設計、模擬分析方法討論比較的基礎上,著重應用離散時域法行了計算機輔助電路設計和模擬方法的應用探索,以此為基礎設計了pfcexpert因數校正電路設計、模擬軟體,針對實際電路給出了整個設計和模擬全過程,通過實驗驗證了該軟體所得到的精確穩態解、態輸出電壓和電感電流,與實際電路輸出基本相同,所建立的電路模型重現了電路的運行過程,反映了電路的實際工作機理。
  2. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用時間的求取方法;分析了電流滯環控制策略,推導出開關頻與滯環帶寬以及整流器輸入電感之間的關系;應用理論分析pwm整流器控制原理,通過虛擬磁鏈估計有和無,用matlab實現了直接控制,並驗證了該控制方法的正確性。
  3. Design considerations of the high power s - band rka are described, by using electron beams of voltage - 600kv, current - 5000a, and the numerical simulations for three kinds of the rka output structures are given. the three kinds of the output strctures are single - gap standing - wave ( sw ) cavity, traveling - wave ( tw ) output structure, and two output structures ( single - gap + traveling - wave structure ). under conditions of using two output structures, the results show that the instantaneous peak power obtained from sw output cavity and tw output structure is respectively 2. 4gw and 2. 1gw, the both power average of 0. 96gw and 0. 93gw, i. e. the s - band rka of two output structures generates peak output power of 1. 89gw at a frequency of 2. 85ghz

    從數值模擬中得到雙輸出結構的微波輸出結果為:駐波輸出的為2 . 4gw (周期平均為0 . 96gw ) ;行波輸出結構輸出為2 . 1gw (周期平均0 . 93gw ) ,就獲得了頻為2 . 85ghz的微波輸出。本文簡要的描述了電磁軟體( magic )對速調管輸出腔體行了模擬,並對相應的模擬方法行了評述。
  4. Rational control of the pump ' s work and rest time is the key to solve the problem of void pumping. this essay gives theoretical analysis and cost comparison of every detective method, considers power detection as the most effective method, and puts forward several ways of power consumption and effectiveness power consumption at the same time. the designed electricity saving controller integrate all the above four methods, and it can work with different methods by switch between automatic and manual to broaden its accommodation

    解決油井空抽現象的關鍵是合理控制開機時間與停機時間長度,本文對各種檢測方法行了理論分析及成本比較,認為檢測最行之有效,同時提出了檢測的幾種實現方法,即法、人工電耗法、設定耗法及效益耗法,所設計的節電控制器集以上四種方法於一身,可通過自動手動切換採取不同的檢測方法,使其適應范圍增寬。
  5. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一時刻的時電流、時電壓降數學模型和有效電流、主變容量和主變壓降、最小損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;行了工程實例計算;最後,對牽引供電系統優化設計技術應用行了總結。
  6. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,放大驅動電路等,完成了數字觸發、數字調節、模數轉換等能;線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路時脈動環流的能。
  7. A real - time estimation of a prior variance - covariance of gps observations is developed for the ( near ) instantaneous ambiguity resolution for short - baselines, which improves the stochastic model of the observations, and then the success rate and the reliability of ambiguity resolution

    針對短基線模糊度的快速解算,提出了一種實時估計觀測值方差-協方差矩陣的方法,改了觀測值的統計模型。算例顯示這種方法能提高模糊度時解算的成
  8. The maximum heating rate of absorber is o. skw. ? h / ? inside experiment fuel rod is much lower than that outside experiment device. influence of absorber movement on thermal neutron flux decreases, as radial distance between absorber and measuring point increases

    給出了硼不銹鋼和銀分別做為吸收體的兩種方案的計算結果,即有效增殖因子keff 、中子通量密度分佈、燃料棒、吸收體組分及其發熱,並行了分析、比較,為態試驗裝置的設計提供了參數。
  9. 4. the double dsp technique is introduced, and the furthermore the traditional fft analysis and nowaday theory of instantaneous reactive power is combined, thus the combined system of shunt passive filters and active power filters is designed

    4 、採用雙dsp晶元技術,將傳統的頻域分析fft計算與現代的時無理論相揉和,行lc無源濾波器和並聯型有源電力濾波器混合系統的設計。
  10. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風譜,利用matlab模擬脈動風的風速時程曲線和風荷載時程曲線,並考慮脈動風的空間豎向和側向相關性,利用抖振時域法對整體機架結構行隨機脈動風壓作用下的態動力學分析,最後再對圓管帶式輸送機整體機架結構對環境風荷載的適應性做出評價。
  11. 2. tow different types of power loading condition were applied on chips respectively. the transient thermal analysis was conducted to determine temperatures vary over time

    2 .以兩種不同加載方式行自然對流換熱條件下的封裝態熱分析,得出封裝體溫度隨時間的變化規律。
  12. A transient heating response theory is also used to inspect the package structure of the devices

    還應用態加熱響應原理對管的封裝結構行了監測。
  13. Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy, the auxiliary switching power supply and parallel technology of this kind of converters are investigated. the output characteristic curve and the design for the key circuit parameters are given

    以單四象限開關式電路拓撲為例,分析研究了這類變換器工作模式、穩態原理與電壓時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、機內輔助開關電源的設計,對電流源高頻交流環節ac ac變換器並聯擴容技術行了研究。
  14. An dvr voltage detecting method is brought forward, which is improved from harmonic voltage instantaneous detecting method based on general instantaneous reactive power theory

    本文對基於時無理論的諧波電壓時檢測方法行了改,提出了適應dvr的電壓檢測方法。
  15. If the average or instantaneous torque, rotate - speed and power can be got exactly, expediently and reliably, it will be useful for improving the performance of the engine

    若能準確、可靠、方便地測出受試機械的平均或時的轉矩、轉速和,這對改和提高旋轉動力機械的性能大有裨益。
  16. An improved algorithm for harmonic current detection based on instantaneous reactive power theory

    基於時無理論的改諧波檢測演算法
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