諧波消除 的英文怎麼說

中文拼音 [xiébōxiāochú]
諧波消除 英文
harmonic cancellation
  • 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...
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 除 : Ⅰ動詞1 （去掉） get rid of; eliminate; remove 2 [數學] （用一個數把另一個數分成若干等份） divide:...
  • 消除 : eliminate; dispel; remove; clear up; wipe off
  1. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析了測量中頻譜泄漏和柵欄效應形成的原因，提出了採用鎖相環倍頻技術實現信號的整周期同步采樣，消除頻譜泄漏和柵欄效應對測量結果的影響，並對鎖相環倍頻技術的理論進行了深入研究，給出鎖相環倍頻技術的實現方法。
  2. Analysis and tests show that by using slope compensation, the open - loop instability, sub - harmonic oscillation, non - ideal closed - loop response and noise etc. when duly cycle above 50 %, can be reduced or eliminated

    理論分析與試驗表明，通過引入斜坡補償可以抑制或消除占空比超過5 %時的開環不穩定性、次諧波振蕩傾向、不理想的閉環響應、噪聲等。
  3. On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads

    本文在充分調研的基礎上，認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。
  4. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  5. 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。
  6. Two generating methods of compensation current are also proposed for the purpose of eliminating detuning or limiting harmonic voltage contents, in which the compensation current is the weighted superposition of filter harmonic currents or voltages and the regulating factor

    針對消除失諧或限制諧波電壓含量的不同控制目標，提出了諧波磁通補償電流的兩種生成方法，補償電流分別是濾波器電流或母線電壓中各次諧波分量與調節系數的加權合成。
  7. Also the solutions for dc voltage harmonics are achieved resulting in controlling a smooth ( constant ) power flow from ac to dc side in spite of the unbalanced voltage conditions

    兩種控制策略分別實現了交流電流的對稱正弦波電流控制和直流電壓非特徵諧波消除控制。
  8. In order to instantly and real time eliminate harmonic and compensate reactive power, the definition of traditional reactive power, an integral average during a period, which is confined to apply under some circumstances. for example, when the load power varies swiftly, it will lead to can " t compensate reactive power rapidly

    為了實時、快速的補償無功功率和消除諧波，傳統的基於平均值計算出來的功率因數，是以一個周期內積分而得出來的平均值，這在某種情況下就限制了它的應用，如系統負載功率快速變化時，就不能做到迅速、實時地補償無功。
  9. The system increase the precision of frequency measurement using frequency measurement method based on least error square algorithm and using digital pre - treatment algorithm, which can eliminate the bad effect resulted from sqaure and high power harmonic

    本系統採用了基於最小二乘的頻率測量方法，同時用數字預處理演算法消除頻率測量時的二次及高次諧波對測量的影響，提高了頻率測量的精度。
  10. At last, the experiment result proved the effectiveness of the spectrum rebuilding technology. the experiment result show that the wavelength detection accuracy is improved by an order of magnitude using the spectrum rebuilding technology compared with that obtained from direct peak search. some other schemes to enhance the accuracy are illustrated

    最後列舉了其它幾種提高測量精度的方案，包括關鍵器件可調諧濾波器的位置變化提高信噪比，調整探測器pinfet的輸出電壓的零點以提高a / d採集卡的利用率，以及採用系統參考消除系統誤差造成的波長漂移。
  11. Studies the shield and anti - jamming techniques and designs the shield shell. designs the transmit microcircuit adapts to the far distance transmission. using the passive high - precision current transformer founds a method to measure dielectric loss based on fft which can eliminate effects of harmonic and current frequency excursion and conducts an experiment

    利用所研製的高精度無源單匝穿心式小電流互感器，建立了一種基於fft的介質損耗測量方法，它可以有效地消除諧波和工頻信號波形不工整的影響，並進行了實驗驗證。
  12. These are justified by simulation. 5. the principle of compensating pulsating torque is proposed

    分析了諧波加入法消除轉矩脈動的原理和摘要不足。
  13. The pulsating torque components caused by stator current divergence from ideal conditions are studied

    消除轉矩脈動可以通過對定子電流加入諧波的方式完成。
  14. In order to solve the problem of voltage regulating, the control strategy of select harmonics elimination pulse width modulation ( shepwm ) was introduced. at the same time it was combined with optimum spwm, the range of voltage regulating was expended and the dc utilizable efficiency was improved

    為解決變換器調壓問題，對基於選擇諧波消除的shepwm控制方案進行了研究，並將此種控制與開關點預置最優spwm相結合，進一步擴展系統調壓范圍，提高直流電壓利用率。
  15. The active power filter, which can compensate simultaneously the harmonics and reactive power of non - linear loads, is good method to eliminate the harmonic pollution in power system

    採用有源濾波器就地吸收諧波源所產生的諧波電流，是消除或限制電力系統諧波污染的一種有效的措施。
  16. Chapter 2 particular expounds the basic theory for elimination of harmonic and compensation of reactive power instantaneous reactive power theory

    本文第二章闡述了apf的諧波消除和無功補償的理論基礎- -瞬時無功功率理論。
  17. The experimental results show that the proposed filter enables simultaneously to suppress multiple dominant harmonics and effectively eliminate the detuning

    實驗系統在不同運行方式下的測試結果表明，這種濾波器能夠同時抑制多次主要諧波分量並有效地消除失諧。
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