harmonic series 中文意思是什麼

harmonic series 解釋
低級數
  • harmonic : n 1 【音樂】泛音；和聲。2 〈 pl 〉【數學】諧函數，調和函數。3 【物理學】諧波，諧音。adj 1 和睦的...
  • series : n 〈sing pl 〉1 連續；系列。2 套；輯；叢刊；叢書。3 【生物學】區；族。4 【植物；植物學】輪；列；...
  1. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  2. After a series of experiments, primary parameters of output are theoretically achivevd approximately gradually. its output, after second and third harmonic generation, will be appliedin great space ; and its function in the area of anti - laser and anti - ccd detection is not neglectable

    輸出激光經過二倍頻、三倍頻后，有極其廣泛的應用空間；在激光對抗與反ccd探測方面，它的作用更不容忽視。
  3. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此，對該站進行了串聯諧振分析和並聯諧振分析，並結合測試數據和有關變電站的運行記錄，指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高，引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因，提出了相應的諧波治理措施，包括針對湯6c電容器5次諧波電流含量偏高的原因，提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器（湯sc其餘部分停運）以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象，提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  4. Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably

    Ckdk型串聯電抗器，適用於6 63 kv電力系統中，與並聯電容器相串聯，用以抑制電網電壓波形畸變，從而改變電網質量和保證電力系統安全運行抑制流過電容器組的諧波電流和限制合閘涌流，從而保護電容器的安全可靠運行。
  5. All sorts of imperceptible factors making the system get worse, including the harmonic of the inverter and magnifying of dv / dt over long cable and the effects after applying the inverter. i applied the three - level main circuit structure to the esp system, so that the high voltage problems resulted by low endureing voltage can be solved, at the same time avoided the voltage distributing because of devices in series

    為此本文將三電平主電路結構運用到潛油電泵變頻系統中，以解決由於當前器件耐壓較低而要求實現中高壓問題，同時避免了由於器件串聯而引起的均壓問題，具有諧波含量較二電平變頻器要低和體積較低壓單元串聯方式要小等特點。
  6. Company after years of development, the formation of a series of steel products ( electricity galvanized, hot galvanized, cold - rolled, acid pickling and galvanized iron, etc. ) while at the same marketing agent stainless steel, aluminum, copper and sophisticated materials such as stainless steel harmonic

    公司經過多年的發展，形成以寶鋼系列產品（電鍍鋅，熱鍍鋅，冷軋，酸洗，馬口鐵等）為主，同時代理銷售不銹鋼，鋁材，銅材及精密不銹鋼鋼帶等材料。
  7. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  8. Abstract : this paper pointed out a few problems of series, harmonic and efficiency etc., to be needed considering, it introduced constructed by all - controlling power electronics device igbt by means of multi - pwm control technology, and this kind of convertor can be the used for direct frequency conversion governorof midolle / high - voltagea. c mo tors

    摘要：提出用於高壓電動機變頻調速電源需考慮的串聯、諧波和效率等幾個問題;介紹由全控型電力電子器件igbt按多重化pwm控制技術構成、目前已商品化的高壓變頻器，可用於中、高壓交流電動機的直接變頻調速。
  9. The series h - bridge multilevel converter has the advantages of high output voltage, high power, lower harmonic content in line and motor sides and high input power factor

    串聯h橋多電平變頻器具有輸出電壓高、功率大，輸入側和輸出側諧波含量小，輸入功率因數高等特點。
  10. The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained

    使變系數非齊次調和方程邊值問題的求解有了新的進展。
  11. To achieve the mitigation of multiple harmonics with a single lc series branch, a novel auto - tuning filter based on the nonlinear frequency characteristic of inductance of an active reactor is presented, where the active reactor consists of a pair of coupled windings and a generator of harmonic magnetic flux compensation current

    摘要提出了一種基於有源電抗器的新型自動調諧濾波器，利用電感的非線性頻率特性，實現了單條lc串聯支路抑制多次諧波的目標。
  12. Voltage type harmonic source and series active power filter

    電壓型諧波源與串聯型有源電力濾波器
  13. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。
  14. 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。
  15. The two kind of harmonic balance methods, analytical hbm and dft numerical hba, are used for the analysis of the parametrically excited flexible cam - follower system with consideration of the clearance between cam and follower. through the two methods, the system equation is reduced to a series of nonlinear algebraic equations

    這種非線性代數方程組需要依靠數值計算的迭代法才能求解，而由於問題的復雜性，普通的newton法很難求解，本文採用一種廣泛應用的擬newton法一一broyden方法來求解，得出了出含間隙凸輪系統模型的穩態響應。
  16. Alternating harmonic series

    交錯調和級數
  17. There are mainly four standard series for the products, xb1 single - stage harmonic - drive reducers and components sets, xb2 high ratio dual harmonic drive reducers and components sets, xb3 pancake - type harmonic drive component sets and phase adjuster harmonic drive xbf, which are put into production with millions of sets per year by ctkm

    公司產品主要有以下四個標準系列： xb1單級諧波傳動減速器和組件、 xb2內嚙復波諧波傳動減速器和組件、 xb3扁平式諧波傳動減速器和組件、 xbf相位調節器用諧波傳動減速器和組件，年產已達萬臺套。
  18. Most researches on apf are focused on main circuit configurations ( series - type, shunt - type, compound - type ), harmonic current detection approaches and control strategies to compensate current, etc

    有關有源電力濾波器的研究主要集中在主電路結構形式（串聯、並聯和串並聯） 、諧波電流檢測方法和補償電流的控制方法等方面。
  19. Researches on apf are focused on main circuit structure forms ( series - type, shunt - type, series - and shunt - type ), harmonic current detecting approaches and control strategies to compensate current etc. this paper mainly deals with harmonic current detecting approaches

    有關有源電力濾波器的研究主要集中在主電路結構形式（串聯、並聯和串並聯） 、諧波電流檢測方法和補償電流的控制方法等方面。本論文重點研究了諧波電流的檢測方法。
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