ripple current 中文意思是什麼

ripple current 解釋
漣波電流
  • ripple : n 1 漣漪，皺波，漣波；漣波聲，潺潺聲；細小急流；（頭發等的）波浪形，鬈曲；（沙上的）波痕 （＝ripp...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明，此方案能有效地抑制無刷直流電動機低速時的轉矩脈動，更好地改善系統的動態性能。
  2. The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout

    工作在1mhz固定頻率，採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能，工作溫度范圍為- 40 + 85 。
  3. Compared with existing modulating method, torque ripple is greatly reduced by uniform modulating in one monocycle, increasing current slope of upcoming conducting phase instantaneously suppresses the torque ripple by 30 ’ during low speed with obviously lower initiating noise

    採用單周期內各功率管均衡調制的方式，不僅消除了反向電流，而且與其他調制方式相比，可使轉矩脈動較小。
  4. Rhomboid current ripple

    菱形流痕
  5. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非線性模型，並對比分析了三種方法，模擬中確定了電機的最優開通關斷角，在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制，模擬結果表明，它實現了電機的正常運行，很好的抑止了電機轉矩脈動，同時有效地降低了噪聲。
  6. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  7. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  8. The dark - gray traction current deposits belong to internal - tide deposits, it develops sandstones and siltsands, and charactered with lenticular, wave, flaser bedding, bimodal cross - bedding and ripple mark

    深水牽引流沉積為內潮汐沉積類型，巖性為細砂巖、粉砂巖，以發育透鏡狀、波狀、脈狀層理、雙向交錯層理、波痕等沉積構造為特徵。
  9. High ripple current, low level of esr and impedance, high voltage current, tol

    高漣波電流，低esr與阻抗，高電壓電流，
  10. The typical performance characteristics include : line and load transient response, efficiency, output voltage ripple, quiescent current, maximum load current, output voltage temperature characteristics and the short

    其中，整體模擬指標包括:晶元線性調整率和負載調整率、轉換效率、輸出電壓紋波、晶元靜態電流、最大負載電流、輸出電壓溫度特性及短路負載電流。
  11. Low dissipation factor, high ripple current

    低損耗角正切，高紋波電流。
  12. Long life grade, low e. s. r., high ripple current rating and outstandingly good high frequency impedance, tol

    長壽級，低esr ，高漣波電流級和傑出不錯的高頻阻抗特性
  13. Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor

    摘要根據4極直流電動機的轉速與脈動電流頻率關系的實驗結果，對現有的無傳感器直流電動機測速公式提出了修正意見。
  14. Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance

    對于已經大量採用高頻軟開關技術的模塊電源，限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件，而磁集成技術由於具有可以減小磁件體積重量，減少磁件損耗，減小輸出電流脈動，改善輸出動態性能等優點，成為目前電力電子技術的研究熱點之一。
  15. Do not allow excessive ripple current to pass. use the electrolytic capacitor at current values within the permissible ripple range

    通過電解電容器的紋波電流不應超過其充許范圍，如超過了規定值，需選用耐大紋波電流的電解電容器。
  16. Isolated boost converter has advantages of high frequency electrical isolation, multi - output solutions, lower input ripple current and high reliability for the short circuit of load, etc. it is attractive in applications such as high voltage multiple outputs with isolation requirement, single stage power factor correction and bi - directional dc / dc converters

    電氣隔離型boost變換器具有高頻電氣隔離，易於多路輸出，輸入電流紋波小，負載短路時可靠性高等優點。它適用於有隔離要求的高壓多路輸出、雙向pwm直流變換和單級pfc等場合。
  17. Capacitor ripple current tester

    電容紋波電流測試器
  18. Has characteristics of high temperature, high ripple current and high riliability

    耐高溫度，高紋波電流及高信賴度。
  19. Medium and high voltage, large capacitance, screw, high ripple current

    中高壓，大容量，螺栓結構產品，能承受大紋波電流。
  20. The factors effecting on the grid - connected ripple current are analyzed deeply. the criterions of selecting inductance l and direct current voltage ud are presented

    本文對並網紋波電流的影響因素進行了深入的理論分析，給出了電感上、直流電壓u _ d的選擇依據。
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