直流補償 的英文怎麼說

中文拼音 [zhíliúcháng]
直流補償 英文
dc offset direct current
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 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...
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
  • 直流 : direct current (dc); constant current; steady current; continuous current; zero frequency curre...
  • 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
  1. Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc

    熟悉項目中的高、中、低壓配電系統和功率因素研究及諧波分析, ups和電氣系統,功率計量,相關計算(包括短路計算和保護裝置協調分析,照明保護計算,發電機功率計算等) 。
  2. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字變換器平臺中,採用全數字波形校正技術,完全了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變,充分保障了變換器控制的準確性;採用數字分量調節技術,可以精確地對控制信號進行,在充分保證輸出性能的前提下,實現了輸出分量的調節。
  3. As an electric and electron component, the application field of thyristor is very wide. to these days, in the fields of direct current transfer, reactive power compensator, etc, thyristor still play an important role

    晶閘管作為一種電力電子器件,在強電領域有著極為廣泛的應用,迄今為止,在輸電、無功等方面仍占據舉足輕重的地位。
  4. 5 ) the system ' s sensitivity and snr can be improved by the method of balancing the standing capacitance using dc offset compensation

    採用反饋的方法消除電容傳感器極板間的靜態電容,提高了系統的解析度和信噪比。
  5. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率放大器輸出端存在偏置問題,其大小與復位脈沖的寬度成正比。針對輸出偏置問題,提出了電壓的改進方案,給出了電壓的具體計算公式。對前和后的方案進行了對比模擬研究和實驗研究。
  6. At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique

    最後,根據單周控制的基本思路,改進了單周控制的全橋開關功率放大器的控制電路。模擬結果表明,改進控制電路后的系統不但解決了輸出偏置問題,而且解決了電壓方法所造成的放大器增益下降問題。
  7. An analysis and a compensation method for commutation torque ripple in trapezoidal bldc motor

    無刷電機換相轉矩脈動的分析及其方法
  8. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此,輸入電壓的準確計算、漂移量的以及定子電阻變化的都是影響積分計算準確性的重要因素,這些誤差會導致定子磁鏈軌跡的偏移,進而降低系統轉矩控制的性能。
  9. By the way, a displaying system and a communicating system is added. this dissertation is divided into four chapters altogether : chapter one is the introduction, introducing the hore component and its important characteristic and putting forward the basic task ; chapter two introduce the principle of the auto - tracking system and respective parts of the auto - tracking system ; chapter three introduce the applications of auto - tracking system under static condition and dynamic condition and give out the experiment results ; chapter four introduced the displaying system, communicating system and the applicability of the auto - tracking system to other sensors

    本文共分為五章:第一章緒論中,介紹了霍爾元件及其一些重要特性,並提出了測量系統的基本方案;第二章詳細介紹了測量系統各部分的構成及原理,特別是對通道、溫度模塊和音圈電機為核心的隨動機構的論述;第三章介紹了實際系統在靜態測量和動態測量兩種模式下的應用及實驗結果;第四章介紹了系統的顯示功能和遠程通信功能並討論了系統對其它傳感器的適用性。
  10. A photoelectric coupling d. c isolated circuit with temperature compensation

    一種溫度光電耦合隔離電路
  11. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中,針對1 . 5kw和18kw異步電機進行了模擬,並在此基礎上提出兩種簡化控制方式;在tms320f240的具體編程過程中,分別對自適應濾波器的有限字長效應、偏置效應等非理想因素進行了修正和;最後,在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗,實驗結果表明了演算法完全可以達到預期的目標。
  12. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測,易操作,可以觀顯示波前畸變分佈等優點,被廣泛地用作自適應光學系統的波前信息探測和波前畸變,大氣湍統計特性表徵,光學元件檢測,光束質量評價,超強激光脈沖波前整形,激光大氣通信以及人眼象差測量等各個領域之中,其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。
  13. Based on x - filtered lms algorithm and - filtered lms algorithm adaptive inverse control, we use a new variable step size lms algorithm. adding little computation, variable step size lms algorithm can result in fast convergence speed and low residual error simultaneously. the adaptive feedback control can counteract the beginning error of the system

    在原來的x -濾波lms演算法自適應逆控制和-濾波lms演算法自適應逆控制方法的基礎上,引入了新的變步長lms演算法,在計算量增加不多的前提下,能同時獲得較快的收斂速度和較小的穩態誤差;引入自適應的反饋控制克服了被控系統的零頻漂移,使控制系統在初開始工作階段快速收斂;還引入自適應擾動消除器,它能最大限度的消除擾動。
  14. Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis

    定子電阻變化,母線電壓漂移,開關器件反向相電壓降、逆變器死區時間引起的電壓誤差的,提高系統穩態運行性能以及永磁同步電機接轉矩控制的無速度傳感器運行方案等問題都是本文研究的重點。轉矩的快速響應是接轉矩控制演算法的一個卓越的性能。
  15. After introducing the correlative theory of phaselet algorithm and analyzing fourier algorithm and improved fourier algorithm, the ability of eliminating harmonic current and decaying direct current component of these algorithms are analyzed and compared, and conclusions are given

    對傅里葉演算法及其改進演算法進行了分析,並介紹了小矢量演算法的相關理論,對各種演算法的濾除諧波和衰減分量的能力進行了分析和比較,最後給出了結論:當故障電信號中存在衰減分量時,採用並聯傅氏演算法能夠兼顧速度和精度。
  16. In this paper, a novel dc speed control system has been introduced, the auto - disturbance rejection controller ( adrc ) has been used in the speed loop

    摘要一種新型的調速系統,速度環採用自抗擾控制器,該控制器對系統的內部擾動和外部擾動進行觀測,並加以
  17. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面分析研究了無位置傳感器無刷電動機運行方式的基礎上,細致闡述了反電勢過零檢測、相位判斷及相位的原理及實現方法,並且為了在較寬的范圍內提高bldcm的調速性能,採用了數字式轉速閉環控制。
  18. On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy

    在對無位置傳感器無刷電動機運行方式進行全面分析研究的基礎上,詳細的介紹了反電動勢過零檢測、相位判斷及相位的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了數字式轉速閉環控制。
  19. Current compensation control strategy for restraining thrust fluctuation of pmlsm

    抑制永磁線電機推力波動的電控制策略
  20. The energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are given. software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter is studied deeply in theory and experiment. the applications of fuzzy control, single neuron control and genetic algorithm in pump - control - motor speed governing system with inverter are studied, and some useful conclusions are obtained

    所進行的主要研究工作如下:對主要參數對變頻泵控馬達調速系統的性能影響進行了時域模擬分析和開環階躍響應實驗研究;對變頻泵控馬達調速系統和進口節閥控馬達調速系統進行了能耗分析和對比實驗研究;對軟體開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析和實驗研究;對變頻泵控馬達調速系統進行了復合控制實驗研究;研究了模糊控制、單神經元控制和遺傳演算法在變頻泵控馬達調速系統中的應用,均得到了有益的結論。
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