諧波產生器 的英文怎麼說

中文拼音 [xiéchǎnshēng]
諧波產生器 英文
harmonic generator
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (人或動物的幼體從母體中分離出來) give birth to; be delivered of; breed 2 (創造財富; 生...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. In the distribution system, many capacitor banks are applied to decrease the loss of the network. the harmonic resonance may be incurred between the network and the capacitor banks in the harmonic frequency, thus the security of the system may be destroyed because of the high harmonic distortion level

    配電網中裝設了大量的電容進行無功優化來降低網損,但在頻率下,容易系統與電容之間的振或放大,從而使系統的畸變率變大,破壞了系統的安全運行。
  2. The frequency spectrum and the beet frequency phenomenon also were carried out, the reason from that the beet frequency occur has been found and simulated. these jobs are useful for improving the performances of harmonic gear drive and opening up its using scope

    這對進一步認識齒輪傳動運動誤差的和提高齒輪傳動的運動精度,拓寬齒輪傳動的應用范圍,特別是在工業機人中的應用都具有重要的現實意義。
  3. But because of frequency conversion machine when it was in application it will produce harmonic interference inevitably, the traditional means ca n ' t be applied in variable frequency speed regulation system completely, therefore need some new analytical methods aiming at frequency conversion machine accordingly

    但是由於變頻應用中不可避免地要干擾,傳統的手段和方法已經不能完全適用於變頻系統中,因此需要針對變頻系統採用相應的分析方法。
  4. Traditional energy meter can cause errors under the condition of harmonics due to its structural characters, and at the same time harmonic loads take in foundational power and send out harmonic power. this paper proposes a new way and realizes accuracy and fair energy metering

    傳統的電能表在存在下由於自身的結構特性會誤差,就此進行分析提出了新的電能計量方法,應用虛擬儀技術實現了準確、公平、合理的電能計量。
  5. Carrier frequency leakage less than - 40db can be attained since good agreement of the two diodes antiparalleled in even - harmonic mixer is guaranteed inherently

    在簡化載信號電路的同時,利用偶次混頻固有的本振偶次高抑制度特性,來抑制載泄漏。
  6. 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、補償電容上有殘壓、不能實行三相平衡補償、對電網污染、不能消除負荷本身的高次等弊病。
  7. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大的調制腔和漂移管中的預群聚;用粒子互作用的場方法導出了在輻射腔中預群聚電子束輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  8. As the most effective means to increase the economics and reliability of power station, pumped storage power station with static frequency converter ( sfc ) for start - up is widely used in developed country. recently china also implements several pumped storage power station projects

    抽水蓄能電站利用靜止變頻啟動( sfc )方式啟動,這種方式在啟動時,對sfc裝置及同電壓級別的其它用戶影響,也會通過降壓變壓向高壓傳遞,對高壓側的用戶影響。
  9. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周變流型三相高頻鏈逆變結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量p姍的方法svm和等效載頻率fe = 1 / te引入到周變流的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變輸出電壓,在滿足輸出電壓條件下使最小。
  10. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾的控制系統、檢測方法及控制原理、數字低通濾和pwm信號的,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  11. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network

    無源支路在補償無功功率的同時還可以濾除因非線性負載的特徵電流,為了抑制無源支路跟電網等效電感振現象以及改善無源濾的濾性能,系統中採用振注入式有源濾拓撲。
  12. Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity

    連續光學參量振蕩( cwopos )可以用來拓寬激光的長范圍,有較寬的調區域,是一種理想的相干輻射的裝置。由於它的窄線寬和寬調的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。
  13. This paper discussed the harmonic sources and how they produce harmonic in detailed, such as generator, transformer, power electronics apparatus and others

    本文較為詳細的討論了發電機、變壓以及電力電子件等一些源,對其的機理作了一定的描述。
  14. 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的演算法,並在此基礎上增加了抑制系統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的高次的高通濾
  15. According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too

    由求得的樣機空載電勢形畸變率可知,該樣機滿足國家設計標準和工程實用要求,更重要的是,實現了高壓的目的;考慮鐵心飽和、考慮阻尼繞組影響情況時,電力發與具有相同尺寸(除定子槽形)的傳統發電機相比,空載齒電勢對電力發的影響較小,前者的空載形畸變率較小。
  16. Focused on the sine model of the speech signal creation, and finished the reconstruction by using it. at the same time, based on the knowledge of digital signal processing, reconstruction by harmonic correction and time variant digital filter was proposed

    分析了語音信號的正弦模型,並在此基礎上完成了骨導信號的語音重構;與此同時,結合數字信號處理知識,分別用修正和時變數字濾的方法,完成基於骨導信號的語音重構。
  17. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時,針對直線永磁同步電動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性,電機運行期間存在磁密分佈變化、時間的推力擾動等,採用了ip速度控制和h _狀態反饋控制相結合構成直線伺服的內環控制,並輔助設計了外環的pi位置控制
  18. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰變電站的主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們的概況,得出了電力機車的各次電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓,分析了阻抗匹配平衡變壓的結構及其高壓側注入電網的,推導了有關計算公式。通過理論分析並結合湯牽線的實測數據,歸納了電力牽引負荷注入湯陰變電站的的特點。
  19. Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused

    最後,應用ahrens的電磁軸承簡化模型,從maxwell方程出發推導了應用於本文所述的被動式電磁阻尼動方程,並用傅立葉級數把矩形磁場展開的變磁場作為磁場的邊界條件,通過求解動方程得到磁場的解析解,從而計算了阻尼對轉子的電磁力和由渦流引起的切向力的阻尼附加功耗。
  20. This paper discusses the problem of harmonic waves of the converter in running, and the countermeasures are also proposed

    摘要本文針對變頻運行中存在的問題,分析的原因及危害,並提出解決方法。
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