輸入負載率 的英文怎麼說

中文拼音 [shūzǎi]
輸入負載率 英文
input loading factor
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 率名詞(比值) rate; ratio; proportion
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  • 負載 : [電學] load
  1. To the zvt - pwm soft - switching converter, not only the resonant parameters but the input and output voltage and the load can affect the converter efficiency. a detailed research of a typical zvt - pwm buck converter is done in this paper

    對zvt - pwmbuck變換器而言,除了諧振參數對工作效有很大的影響外,變換器出電壓和所帶對工作效都有影響。
  2. Based on the six - port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six - port varied, characteristic parameters of detectors can be obtained through the least - square method

    根據六埠相對功理論即對某一各埠相對功比值不隨變化,由最小二乘法得到檢波器的特徵參數,結合四標準法,確定六埠網路的系統常數。
  3. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上,深分析混凝土在送管道內的流動狀態,得出混凝土泵的特性方程;然後根據功鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的流量(泵送頻)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。
  4. If line length is half wave at a certain frequency and both the load resistance rt and source resistance rs are higher than the characteristic impedance zo, then both the voltages at input and at load are maximum at that frequency and both the voltages at input and at load are minimum at half of that frequency

    端電阻及電源電阻均高於傳線特性阻抗情況下,當線長為某頻波長之半波,則端與端電壓在該頻均為最高,在該頻之半時則電壓均為最低。
  5. If line length is half wave at a certain frequency and the load resistance rt is lower while source resistance rs is higher than the characteristic impedance zo, then both the voltages at input and at load are minimum at that frequency and both the voltages at input and at load are maximum at half of that frequency

    端電阻低於傳線特性阻抗及電源電阻高於傳線特性阻抗情況下,當線長為某頻波長之半波,則端與端電壓在該頻均為最低,在該頻之半時則電壓均為最高。
  6. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器電流中電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器波頻)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  7. Dc input voltage ; output voltage ; frequency ; load capacity

    直流電壓,交流出電壓,頻容量
  8. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深的模擬分析:首先在步進電機驅動力矩一定條件下,模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型,在步進電機脈沖頻一定條件下,模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等轉矩的共同作用下的轉動情況。
  9. The ic modulation circuits and microprocessor are used in the control unit. on the side of input of inverter, the maximum power point tracking of solar module is well realized by using a kind of thought of self - optimizing control ; on the side of output of the inverter, a kind of approximate optimum v / f control strategy is used in order to optimize the match between the output of the inverter and load of motor - pump

    在逆變器側,採用自尋優控制思想實現太陽能電池最大功點跟蹤( mppt ) ;在出側,採用了v / f近似優化的控制策略,以優化逆變器出與機泵之間的匹配。
  10. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計級時,為了使共模電壓范圍達到軌至軌,不是採用傳統的差動結構,而是採用了nmos管和pmos管並聯的互補差動對結構,並採用成比例的電流鏡技術實現了級跨導的恆定;在中間增益級設計中,電流鏡並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在出級設計時,為了提高效,採用了推挽共源級放大器作為出級,出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻補償。
  11. So the equipment is schemed out to simulate the work - state of aepds, according to the in - out signals of every solid - state power controller ( sspc ) and the stochastic voltage and current of buses. the top - down design method is adopted in the design

    所以作者根據固態功控制器出信號模擬多路,以及匯流條的電壓、電流等在飛機配電系統中的各種工作狀況,研製了「先進飛機配電終端自動測試裝置」 。
  12. Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique

    首先利用了試驗的定子電流和數據來識別額定工況下的電機參數,然後又使用了堵轉時的定子電流、數據來識別電機二次繞組參數隨轉差頻的變化,並與傳統參數測試方法和直接修正參數法進行了比較。
  13. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明,該變流器具有體積重量小、變換效高、靜態精度高、動態響應快、電壓變化范圍寬、出波形質量高、過與短路能力強、帶不同性質和帶三相不平衡的能力強等優良的綜合性能。
  14. Its operation frequency is 1. 38mhz, with an integration of a power mosfet whose breakdown voltage is up to 50v. the allowable input voltage ranges from 2. 7v to 5. 5v and its output voltage can be programmed between - 2v and - 15v, additionally, the output current is in a 200ma range in typical application. to avoid the poor efficiency of the pwm control scheme at light load, a skip - cycle - mode operation is introduced that allows system ’ s efficient operation at the light load

    該電路工作頻為1 . 38mhz ,內部集成耐壓50v的功mosfet ,電壓范圍2 . 7v 5 . 5v ,出電壓可在- 2v - 15v間連續可調,典型工作條件下出電流在200ma之內;同時,在輕下提供跳周期模式,具有很高的待機效
  15. Firstly, the input three - phase ac is converted into dc after it passes rectifier and filter circuit. secondly, the dc is changed into three - phase ac which frequency and value can be continuously adjusted. lastly, the output three - phase ac is supplied to load

    該實驗單元首先把的三相交流電經整流濾波后變成直流電,然後把直流電逆變成頻和電壓大小可調的三相交流電,供給三相對稱
  16. The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable

    本文首先介紹了中性束注系統的國內外發展狀況,闡述了中科院等離子體所ht - 7中性束注系統的構成,主要對用於中性束注系統的大型低溫冷凝泵的特性進行了理論分析;對冷凝抽氣面的熱進行了分析計算;用蒙特卡羅法對輻射擋板的分子傳與熱傳進行了模擬計算;研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響;最後對用於中性束注系統的大型低溫冷凝泵的抽速進行了驗證,得出的結論是:選取40萬升秒的抽速是合理的。
  17. The fifth chapter experiments on the cushioning performance of the three sets of systems with pid / pdf algorithm. mainly on how to influence the systems cushioning performance while changing the preset input signal frequency and the load mass. and on the systems " repeatability. reappearance and the stability. additionally this chapter compares the pid algorithm with the pdf algorithm in their influence on system cushioning performance. the final experiment results testifies that the thesis successfully realizes the expected cushioning effects of the three different sets of high - speed pneumatic system

    第五章對pid 、 pdf控制策略系統緩沖性能進行了實驗研究,主要研究了給定信號頻的改變對系統緩沖性能的影響、長時間工作時系統的重復性和再現性以及不同質量下系統的緩沖性能的實現;同時比較了pid 、 pdf控制策略對系統緩沖性能的影響。最後實驗結果表明,本課題用pid 、 pdf策略很好的實現了三套不同類型的高速氣動系統的緩沖,緩沖效果是很不錯的。
  18. With forward voltage of white led lower and lower, the efficiency of traditional charge pump driver is lower and lower, too. the new auto - adjustable charge pump can keep the charge pump working in high efficient 1x mode as long as possible

    根據led的正向壓降和電壓選擇工作模式,可以讓驅動器最大限度地工作在高效的1x模式下,有效地提高了驅動器的led效
  19. The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome

    針對系統的性能指標,做了如下改進:對直流側電壓的檢測,在線調整逆變器導通脈寬、出電壓和頻,可以適應不同大小的恆;並用非零電壓矢量作用時間進行補償的方法,減小電機的低速脈動;加了諧波抑制技術等。
  20. For the cell working range ascertainment, the algorithm determines the maximum output load, the minimum output load, the maximum input signal slope and the minimum input signal slope ; for the cell working surface representation, the algorithm inserts the characterization points dynamically. the table optimization algorithm for redundantly characterized points is proposed. its result table can represent the whole parameter surface accurately and concisely

    通過計算單元在各測試狀態下的最大、最小信號的最大、最小斜,演算法能精確計算單元的工作曲面范圍;通過參數測試點的動態插,演算法能獲得最佳的參數測試點,最大程度地表徵整個參數曲面空間。
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