reactance n.反作用力；【電學】電抗；電抗器。
n. 反作用力；【電學】電抗；電抗器。 “acoustic reactance“ 中文翻譯： 聲抗“acoustical reactance“ 中文翻譯： 聲抗“aerial reactance“ 中文翻譯： 天線電抗“antenna reactance“ 中文翻譯： 天線電抗“armature reactance“ 中文翻譯： 電樞電抗“asynchronous reactance“ 中文翻譯： 異步電抗“capacitative reactance“ 中文翻譯： 電容電抗“capacitive reactance“ 中文翻譯： 電容電抗; 電容性電抗; 容[電]抗; 容抗電容阻抗“capacitor reactance“ 中文翻譯： 容抗“capacity reactance“ 中文翻譯： 電容電抗; 容抗“component reactance“ 中文翻譯： 電抗分量“condenser reactance“ 中文翻譯： 電容器電抗; 容抗“condensive reactance“ 中文翻譯： 電容性電抗; 容抗“coupling reactance“ 中文翻譯： 耦合電抗“cyclic reactance“ 中文翻譯： 相序電抗“cyclical reactance“ 中文翻譯： 相序電抗“earthing reactance“ 中文翻譯： 接地電抗器“effective reactance“ 中文翻譯： 有效電抗“elastic reactance“ 中文翻譯： 彈性聲抗; 彈性阻抗“elaxtic reactance“ 中文翻譯： 彈性反作用力“electrode reactance“ 中文翻譯： 電極電抗“equivalent reactance“ 中文翻譯： 等效電抗“fictitious reactance“ 中文翻譯： 假電抗“zigzag reactance“ 中文翻譯： 曲折漏抗“reactance amplifier“ 中文翻譯： 參數放大器; 電抗耦合放大器“reactacid“ 中文翻譯： 呈堿性反應 呈酸性反應
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Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence 基于上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，并對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，并比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最后，介紹定子繞組諧波磁勢對電機運行性能的影響并對定子繞組諧波磁勢進行了分析。然后通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。 |
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3 . adopted the design thought of virtual instrument , the automatic reactance testing system and the instrument of power angle measurement are developed , which change the traditional measure means based on manual operation , a new method is provided for measure the parameter of reactance . 4 采用虛擬儀器的設計思想，開發出了稀土永磁同步電機電抗參數自動測試系統和功角測量裝置，改變了以往以手工測試為主的測試手段，為電抗參數的測試提供全新的手段和方法。 |
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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并聯諧振分析，并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電容器的部分容量并入湯6c電容器(湯sc其余部分停運)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。 |
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Kc of each higher mode in ridge waveguide is a very important parameter , once kc is obtained , the wavelength , phase constant , phase velocity , waveguide wavelength , equivalent reactance , equivalent admittance and so on can be obtained simply . then ridge waveguide devices can be designed based on these paremeters . in view of the widely use of ridge waveguides , the research of kc is very important in practice 由于脊波導中主模及各高次模的kc是一個很重要的參數，求出了kc ，可以很簡單地求出、相移常數，相速、波導波長、等效電抗、等效導納等等，求出這些參數后就可以用各種方法設計脊波導元器件了。 |
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3 . we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage . what ’ s more , we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling 3 、采用穩態非線性分析法對多磁路變壓器進行短路阻抗計算,利用能量法計算出變壓器高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對變壓器的溫度場進行有限元分析,確定溫度場分布情況。 |
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The two key parameters , back electromotive force ( emf ) and reactance of d q axial armature reaction are investigated , too . in the process of asynchronous starting , mathematics model of repmsm is established with 1 , 2 , 0 complex number coordinate system . combined with the model , electromagnetic torque is studied 論文還研究稀土永磁同步電動機的異步起動過程，建立了稀土永磁同步電動機起動時的數學模型，并對電磁轉矩的性質進行了研究，論文還提出了起動時電磁轉矩的計算方法，論文對稀土永磁同步電動機的牽入同步過程進行了原理性分析，論文也對電機參數對于電機起動性能影響進行了研究。 |
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It not only solves the problem of optimized control of the reactive current exchanging among branches , in other words , realizes the auto - tracking to the reactance factor , but also greatly improved the reliability of the system . to design the high voltage line wireless signal acquisition device with self - feed source , we applied electromagnet induction principle and digital communication technique 系統在優化控制技術中采用了電容器補償控制的兩段控制模型，不僅解決了分支線路之問穿越無功電流的最優控制問題，實現了功率因數的自動跟蹤，而且使整個系統的可靠性大大提高。 |
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Consumers successively plunged a large number of silicon controlled commuted devices ( such as steel rolling 、 electrized locomotive 、 aluminium electrolysed devices etc ) and smelting devices to improve their produced efficiency or to save energy . on the one hand it is good for consumers , on the other hand it will arouse the fluctuation of voltage and frequency and it will result in the collision of the active and reactance capacity . meanwhile these nonlinear loads bring much harmonic into the electric network which deteriorate the quality of power supply and hazard the online device enormously 用電部門為了提高生產效益、節約能源，在大電網中相繼出現了大量的可控硅整流裝置（如軋鋼、電氣化機車、鋁加工電解設備等）以及冶煉設備，這些設備的投入使用對節能有一定好處，但給電網造成有、無功沖擊，引起電壓和頻率的波動，同時，這些非線性負荷向電網注入大量諧波，大大惡化了供電系統的電能質量，給用電設備帶來了極大的危害。 |
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Two kinds of new on - line monitoring methods , which are based on measuring primary , secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer , are proposed in the paper . the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways , are designed 本文提出了兩種在線監測變壓器繞組變形的方法，通過在線監測變壓器繞組原、次邊的電壓和電流量，實時計算變壓器繞組的短路電抗來判斷變壓器繞組變形情況，并對電氣化鐵路主要接線型式的牽引變壓器繞組變形的在線監測方案進行了設計。 |
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Impedance includes resistance and capacity reactance , and this capacity and resistance are parallel connection , the simultaneous reduction of the capacity reactance and resistance will make a . c . impedance reduce more acutely , therefore the sensitivity measured by this way is improved much more 同時交流阻抗包括電阻和容抗，且電阻和電容是并聯的，電阻和容抗同時減小必將使交流阻抗減小更多，所以用該方法測試的靈敏度得到了明顯提高。 |
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In this paper , firstly we analyse the distribution of the magnetic field in the permanent magnet canned motor pump which rate power is 15kw , and calculate the reactive electromotive force , armature reactance parameters of this motor pump with no loads and loads 本論文運用有限元方法分析了一臺15kw稀土永磁同步屏蔽電泵內部磁場的分布情況，得到了在空載、負載等不同情況下，電泵的氣隙磁密分布磁場，計算了反電動勢和電樞反應電抗等參數。 |
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This phenomenon informs us that when using behavior therapy on high school students in counseling , we should take some measures to avoid possible psychological reactance ; 2 ) subjects of different gender , school and grade have differences on some factors of view of human nature 人性觀差異性的研究顯示，男生和女生之間、不同學校的學生之間、不同年級的學生之間在人性觀的一些因子上存在差異。造成這些差異的原因有待進一步的研究。 |
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A variable reactance can be realized by duty ratio control . then the fcl can attain to the goal of controllable limiting fault current and controllable series compensation . first , the topology of pwm - fcl is proposed based on the analysis of others “ s research 它是由一個以pwm原理控制的電感模塊和一個補償電容并聯后，再與一個限流電感串聯而成，改變脈沖的占空比可以得到變化的阻抗，實現限流和串聯補償。 |
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Based on the same ac voltage and current inputs in the back - up protection of transformer , the software module of on - line monitoring the short - circuit reactance can be added in the back - up protection device and the software flow chart are given in the paper 由于本文所提出的變壓器繞組的短路電抗在線監測原理與變壓器后備保護所需的交流輸入量相同，討論了在后備保護中添加變壓器繞組在線監測軟件的設計流程。 |
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The low voltage impulse method , frequency response analysis method and short - circuit reactance method , which can be used to measure and diagnose the deformation of power transformer winding , are introduced in the paper 目前，監測變壓器繞組變形的方法主要有低壓脈沖分析法( lvi ) ，頻率響應分析法( fra )和阻抗分析法。這些方法都需使變壓器退出運行，在變壓器離線情況下對變壓器繞組變形進行測量的。 |
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The effects of the error of ct and vt , hysteresis and load variation to short - circuit reactances are discussed also . by using error analysis and simulation analysis , this paper discussed the feasibility in engineering 論文分析了互感器誤差在幾種情況下對短路電抗測量結果的影響；通過變壓器建模，分析了磁滯特性和負載變化量大小對短路電抗測量結果的影響，驗證了該方法在工程應用上的可行性。 |
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On the analysis of the data acquired with this system , the paper arrived at some rules on the armature reaction reactance of rare - earth pmsm , and testified its reliability by experiment in this paper , four parts are included : 1 通過對測試系統所測數據的整理，總結出了稀土永磁同步電機的電樞反應電抗參數的變化規律，并結合實驗驗證了系統的可靠性。本文共分四章，主要工作可以歸納為： 1 |
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The changing law of the synchronous armature reaction reactance parameter of the rare - earth permanent magnet synchronous machines is given out by analyzing the testing data , and the reliability of the testing instrument is proved by the experiment 通過對測試系統所測數據的分析研究，總結出了稀土永磁同步電機的電樞反應電抗參數的變化規律，并通過實驗驗證測量裝置的可靠性。 |
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These tubes have a thickness not exceeding 15mm because of skin effect . the connection between transformer and cables can include the closing of the transformer delta , and its layout wil aim at optimising and balanching the circuit reactance 因集膚效應,管厚要求不超過15毫米.變壓器和電纜的連接可形成一個三角形的閉合形變壓器,這種設計旨在優化和分流電抗 |