諧波過濾 的英文怎麼說

中文拼音 [xiébōguòlǜ]
諧波過濾 英文
harmonic filtration
  • 諧 : Ⅰ形容詞1 （和諧） in harmony; in accord; in tune 2 （詼諧） humorous Ⅱ動詞（商量好; 辦妥） come t...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 過濾 : [工業] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straini...
  1. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  2. In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz

    該組件由五個部分組成：功率為10dbm信號經過波導? ?微帶過渡，然後混頻，濾波將30ghz提高到35ghz濾除不需要的諧波鏡頻以及三階交調信號，為了彌補混頻濾波的變頻損耗，加一級功率放大器，此放大器採用hittle公司hmc283晶元，此上變頻放大組件完成了上變頻?濾波?放大功能。
  3. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。
  4. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性：將不包括調制信息（故障信息）的兩時域相加信號，也以其頻率之差作為解調信號而解出；廣義檢波濾波解調分析中，由於取絕對值、檢波或平方過程可能產生混頻效應，在解調譜中表現為無法分析的頻率成分，並由此推導出避免這種混頻現象的采樣頻率的選取范圍，從根本上避免此類誤診斷的產生；幾種細化解調分析新演算法中，因為無法在細化分析的選抽時進行數字低通濾波，有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。
  5. People can easily design the hysteresis current control hardware circuit, but the switching frequency is variable which makes us difficult the design the output filter, moreover the output waveform is not good. the space vector modulation techniques, by selecting the zero vector properly, it can reduce the harmonic content of the output voltage, so it has become a popular control method

    滯環電流控制的硬體電路設計簡單，但存在開關頻率不固定，輸出濾波器設計困難，輸出波形質量差，空間矢量控制（ svm ）技術具有較高的電壓利用率，且通過對零矢量的合理控制可以降低諧波含量或降低開關損耗，因此是一種較好的控制方法。
  6. To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony

    摘要大量非線性負荷的投運，使農村電網的諧波污染日趨嚴重，通過對農村地方電網主要諧波源的分析，最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數，以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式，以進行諧波治理。
  7. The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load

    本文在場效應管fet柵極上加上諧振網路（諧振網路是通過cst模擬得到的，它是串聯反饋迴路，介質工作在te01模，對于其後的fet ，它又相當於一個帶阻濾波器） ，然後設計輸入輸出匹配電路，使電路結構滿足起振條件，之後繼續用諧波平衡法模擬和優化，使振蕩器輸出功率合適，相位噪聲很低。
  8. The compensation effects of the series active power filter adopting the two different control strategies, on the voltage type load are investigated by final experiments

    最後，通過實驗研究了串聯型有源電力濾波器採用這兩種不同控制策略時對電壓型負載的諧波補償效果。
  9. A new model about measuring harmonics on - line is proposed in this paper. after band pass filtering, sampling storage and the monitoring on - line with artificial neural network ( ann ), we can obtain the harmonics signal, which is used to compensate harmonics. using the basic principle of analog parallel harmonics measurement and a special multi - layer feedforward neural network, a corresponding harmonics measurement on - line is built

    在本文中提出了一種新型電網諧波監測系統模型，通過帶通濾波器，采樣存儲器以及神經網路組成的監測系統可以實時監測電網諧波，當電網中的3次、 5次、 7次諧波超過容許值時，給出控制信號啟動以記錄儀記錄諧波，並可以控制諧波補償，最終達到監督電網，抑制諧波、減小諧波的目的。
  10. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾波器（ apf ） ，是為了解決系統線路無功功率因數過低以及負載線路諧波過多，從而出現線路損耗大、電源電壓的瞬態波動過陡等一系列相關問題而產生的一種新型電力電子裝置。
  11. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過
  12. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過
  13. Svc ( tcr ) is adopted reactor in series with thyristor controlled by trigger to absorb reactive power, at the same time, equipped with harmonic filter in order to mitigate harmonic

    Tcr靜止型動態無功補償裝置通過對串聯于電抗器迴路上的可控硅電路實施有效控制從而達到控制電抗器吸收的無功功率，同時採用濾波器支路進行諧波的綜合治理。
  14. Aiming at extracting harmonic components of signals, a filter progress is designed. during the progress, the technology of sampling rate alteration worked as an aid in dividing different frequency signals

    針對一定諧波含量的信號，設計了將諧波分量分離的濾波過程，在此過程中引入采樣率轉換環節，配合小波濾波器實現不同頻段信號的分離。
  15. Application and specification of harmonic filters

    諧波過濾器的應用和規范
  16. Guide for application and specification of harmonic filters

    諧波過濾器的使用和規范指南
  17. In chapter four, the project techniques of harmonic filter and reactive power compensation for guixi smelter were firstly discussed ; based on the harmonic condition of guixi smelter, the key techniques of a new hybrid active power filter with high capacity for harmonic filter and reactive power compensation were proposed ; then the designs of main configuration, output filter, harmonic detection and analysis subsystem, and the controller based on dsp have been discussed. application results of the hybrid active power filter have confirmed the feasibility of the integrated compensation system

    第四章討論了貴冶電網諧波治理和無功補償的工程實現技術，介紹了貴冶電網諧波的現狀，分析了貴冶電網諧波超過國標的情況，提出了一種新型大功率混合型有源電力濾波器的應用方案，討論了系統主電路設計，輸出濾波器的設計，諧波檢測和分析子系統的設計，基於dsp數字晶元的控制器設計等關鍵技術，並給出了混合型有源電力濾波器投運后，改善電網諧波的情況，表明了論文中所給出的設計方案和工程實現技術獲得良好的工程應用效果。
  18. Through the calculation, the filters have been selected corresponding with voltage harmonic distortion standard. and the steady state rating of the parameters are calculated

    通過計算，選擇符合電壓諧波畸變標準的交流濾波器，並進行各元件的穩態額定值的計算。
  19. Furthermore, a numerical filter method is applied to eliminate some undesired short waves generated as the program runs, which prevents the computed results of the numerical model from distortions

    在數值計算中，採用了數值過濾技術，有效地除去了由於非線性效應的相互作用而產生的極小波長諧波，保證了數值計算的準確性。
  20. Through running insulation on - line monitoring system, the two ways presented in paper, signal denoising algorithm based on wavelet transform as well as harmonic analysis based on anti - alias fourier transform, are proved to be effective

    通過實際掛網運行，本文提出的兩種方法：基於小波變換的除噪濾波演算法及基於抗混疊傅立葉變換（ faft ）的諧波分析法是有效的，提高了在線監測裝置的精度。
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