生諧畸變 的英文怎麼說

中文拼音 [shēngxiéjībiàn]
生諧畸變 英文
harmonic distortion
  • 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;...
  • 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...
  • 畸 : Ⅰ形容詞1 （偏） lopsided; unbalanced2 （不正常的; 不規則的）irregular; abnormalⅡ名詞[書面語] （零...
  1. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。
  2. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失諧下，基波為頻率啁啾脈沖的二次諧波產生過程，結果表明選取合適的啁啾參量可以使二次諧波的光強提高，但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖，而與相位匹配的失諧量關系不大
  3. The imperfection mutual inductance will excite spurious frequency, and create circulating currents in each choke capacitor branch, therefore cause magnet current distortion

    結果表明，諧振電抗器的互感系數的不一致性將激勵寄生頻率，從而在每個諧振電抗器與電容支路中產生寄生電流，並導致磁鐵電流的畸變。
  4. 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器進行無功優化來降低網損，但在諧波頻率下，容易產生系統與電容器之間的諧波諧振或諧波放大，從而使系統的諧波畸變率變大，破壞了系統的安全運行。
  5. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  6. In accord with the state standard about harmonic. the harmonic permission value of tangqian line is calculated. some measurement data are shown and analyzed, and some main conclusion is drawed that the 7th harmonic voltages of tangqian line is near to the permission value, total harmonic voltage distortion ratio has oversteped the permission value. the 3th harmonic, the 5th harmonic, the 7th harmonic and the 9th harmonic current from tangqian line all overstep the permission, the largest 5th harmonic current ratio in tangsc reaches 44 %, the 7th harmonic and the 9th harmonic current in tang7c and tangsc is large maybe because the harmonic current is magnified. this paper studies the model of each element in tang yin substation

    根據有關公用電網諧波的國家標準，計算出湯牽線注入湯陰變電站的諧波電流允許值，從實測數據可以得出一些重要結論：湯牽線7次諧波電壓含有率的最大值接近國標中的限值，湯牽線的諧波電壓總畸變率的最大值已超標；湯牽線注入電網的3 、 5 、 7 、 9次諧波電流都超標；湯6c電容器的5次諧波電流含有率較高，最高達到44 ；湯7c和湯8c電容摘要器的7次和9次諧波電流含有率偏高，原因可能是發生了諧波電流放大現象。
  7. The widely applications of nonlinear instruments have produced many high order harmonics, they are flowing into the power network and greatly influence the quality of electric power. and the frequency is n ' t constant but changed around 50hz

    電網中非線性設備的使用日益增多，所產生的高次諧波電流大量注入電力線路中，使得電網電壓、電流波形發生畸變，同時電網頻率並不是固定不變的，而是在50hz附近波動。
  8. Laser - induced deformations of unstable resonator mirrors of high power laser result in some aberrations of resonator parameter, which distort laser modes and degrade beam quality

    高功率激光器中，非穩腔鏡受激光直接輻照，鏡面發生變形，使諧振腔參數偏離設計值，模式發生畸變，光束質量變壞。
  9. 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波形畸變率可知，該樣機滿足國家設計標準和工程實用要求，更重要的是，實現了產生高壓的目的；考慮鐵心飽和、考慮阻尼繞組影響情況時，電力發生器與具有相同尺寸（除定子槽形）的傳統發電機相比，空載齒諧波電勢對電力發生器的影響較小，前者的空載波形畸變率較小。
  10. The non - ideal bemf waveform of bldcm is often caused by two facts. one is that the platform width of bemf waveform is less than 120 ; the other is the cogging harmonics existed in the bemf waveform

    非理想反電動勢波形的無刷直流電機有兩種情況，一種是反電動勢的梯形波的平頂寬度小於120 ；一種是由於磁場分佈受齒槽的影響，反電動勢存在齒諧波，使其波形發生畸變。
  11. It is determinant to correctly assess harmonic emission levels from different customers for monitoring and inhibiting the harmonic pollution. and to determine whether harmonic currents can cause significant voltage distortions, it is necessary to know the network harmonic impedances

    為了監測與治理諧波污染就必須正確估計各個電網用戶在公共連接點產生的諧波水平，而要判定諧波電流是否引起了嚴重的電壓畸變，有必要知道電網的諧波阻抗。
  12. In this thesis, firstly, a new distortion current detection theory and approach based on the least compensation current ( lcc ) is presented, and an apf using the new lcc detection method is investigated

    首先，在對電力諧波的產生、危害及目前最新的治理措施進行必要的論述和分析的基礎上，提出一種基於最小補償電流的畸變電流檢測的新理論和方法和相應的補償電流最小的單相有源電力濾波器。
  13. In recent years, current rectifiers, frequency converters, arc furnaces and other power electronic devices etc have been increasingly used in power network. with nonlinear, impactive, unbalanced characteristics, they generate lots of harmonics and cause distortion in power network current or voltage

    近年來，配電網中整流器、變頻裝置、電弧爐以及其它電力電子設備等的應用不斷增加，由於這些負荷具有非線性、沖擊性和不平衡的用電特性，引起供電網中的電流（電壓）畸變，產生大量諧波。
  14. As technique of power electronics develops, the load with nonlinear, impactive, unbalanced characteristics such as current rectifiers, frequency converters, arc furnaces have been increasingly used in power network in recent years. they generate lots of harmonics and cause distortion in power electrical network current ( voltage )

    隨著電力電子技術的發展，近年來電網中象整流器、變頻器、電弧爐這樣具有非線性、沖擊性和不平衡用電特性的負荷不斷增加，引起供電網中的電流（電壓）畸變，產生大量諧波。
  15. The rectifier scheme that direct current supplying with power electronic equipment is obtained by alternating current being rectified is widely applied in power electronics field. however, the rectifying circuits result in input current distortion, input power factor greatly decrease

    從電網獲取交流電經整流后為設備提供直流電是電力電子技術中應用極為廣泛的一種整流方案，然而由這種整流方案設計的電路使輸入電流產生嚴重的畸變，其諧波電流嚴重污染了電網，輸入端功率因數大大下降。
  16. In order to improve the electric power supply quality, a measure device is needed to analyse the distrubtion of the harmonic pollution in the power supply system

    因此有必要對電網中的諧波含量及非線性用電設備可能產生的諧波畸變進行檢測，掌握諧波的產生和分佈情況，以便採取措施抑制諧波危害，提高供電質量。
  17. What the subject researching is that power energy should be measured with base wave ammeter to power systematic nonlinear user ; and that it is high veracious by base wave ac parameters measurement method to those not bad contaminative. it is well known that all kinds of ac parameters including of base wave and harmonics, but the content of harmonics in power systems increase largely with the mass disturbance to power using high - power electric equipment. which makes wave shape of voltage and current aberrence, so the measurement veracity and reliability decreased largely. at the same time brings out serious infuency to safe run of power system and electric equipment. the power which any non - linear loads consumes can be divided into two sides, one is base power absorbed in power and the other is minus harmonics power

    本課題所研究的問題是針對電力系統非線性負載用戶採用基波電度表來計量電能；而對諧波污染不嚴重的線性用戶採用基波交流參數測量的方法仍然具有較高的準確性。眾所周知，各種交流參量都包含基波和各次諧波，然而隨著電力電子技術的迅速發展，大功率的用電設備對電網的干擾也是越來越嚴重，導致電力系統諧波含量迅速增長，使電壓和電流的波形產生嚴重畸變，測量的準確性和可靠性都大大降低，同時也對電力系統和用電設備的安全運行帶來嚴重的影響。任何一種非線性負載所消耗的功率都可以分為兩部分，一部分為從電網中吸取的基波功率，另一部分則是負的諧波功率。
  18. In power systems, the waveforms of voltage and current are distorted due to nonlinear loads, and the quality of electricity will decline for the great deal of harmonics generated

    在電力系統中，由於非線性負荷的作用，使電壓和電流的波形發生畸變，電網中出現了大量的高次諧波，從而導致電能質量下降。
  19. With the broad application of the electrical and electronic technology in the industry branches and the power apparatuses, the number of non - linear loads is much more and more, and the capacity of them is biggish, so a mass of harmonic is injected into the power system, which produces the waves of voltage and current in power system to be aberrant seriously

    隨著電力電子技術在各工業部門和用電設備上的廣泛應用，非線性負荷數量越來越多，容量也越來越大，諧波大量注入電網，使電力系統電壓、電流波形發生嚴重的畸變。由於大多數儀器、儀表是針對工頻正弦波設計的，因而造成指示數據不正確。
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