電流測定地 的英文怎麼說

中文拼音 [diànliúcèdìngde]
電流測定地 英文
galvanometrically
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. With adaptive ability, harmonic current detecting approach, based on ann, can accurately and real - timely detect harmonic currents for power network

    基於人工神經元自適應的諧波電流檢測方法，能夠準確、實時地檢測電網中的諧波，且有一定的自適應能力。
  2. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  3. The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model

    本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題，研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響，探討了低熱固相反應的機理，並通過引進「恆壓-恆流充電容量比」的概念，給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。
  4. Of them, great current capacity high accuracy pump test panel project has carried on tender on the internet, finally passed through the quality synthetic evaluation, and determined to be constructed and exploited by province mechanical and electrical design institute unit. after the project completed, it could expand the new product productivity, and substitute the import product

    其中大流量高精度泵測試臺項目進行了網上招標，最後經綜合評價，確定同省機電設計院聯合開發建設，項目建成后，能擴大新產品生產能力，並能替代進口產品，提高企業經濟效益是十分必要的，同時對提高我國泵類製造水平勞動地區，同行業發展也是有現實意義的。
  5. Test of power grounding : receive the command, then begin to open, read the 24th route data from the power screen moulding board after 8 second of open stabilization. the result can send automatically, the data enter into the respond cache ( differentiate rate is 1k second )

    電源對地漏流的測試：收到命令，進行開出，在開出穩定后（ 4秒） ，讀入電源屏模入板第24路數據，結果自主發送，數據進入應答緩存（解析度1毫安） 。
  6. However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down

    通過測試氫等離子體鈍化和氮化硅薄膜鈍化的效果，實驗還發現氫等離子體處理對多晶硅材料的少子壽命提高作用比較明顯，但是這種提高作用與處理溫度以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大；氨化硅薄膜中的氫對單晶硅的載流子遷移率提高有一定作用，但經過高溫處理后這種作用消失；氮化硅薄膜能提高單晶硅和多晶硅的少子壽命，具有表面鈍化和體鈍化的雙重作用；氫等離子體和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流密度，進而使電池效率有不同程度（絕對轉換效率0
  7. The optical structure on solenoid collecting magnetic field is designed applying the above principle, which can improve the stability of aoct greatly. according to iec660044 - 8, the performance of aoct is examined roundly applying the standard testing system authenticated by the state authority. the results indicate that the measurement precision of the aoct has already reached 0. 2 class

    以iec660044 - 8標準為依據，以通過了國家權威檢測部門鑒定的標準檢測系統華北電力大學博士學位論文摘要為測試平臺，全面地對所研製的自適應光學電流互感器的測量性能進行了檢測，檢測結果證明了自適應光學電流互感器已經達到了0 . 2級的測量水平。
  8. Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field, we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability ". the " image " of the field sources underground, or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed, from which we can get the outline of the geological anomaly on the meaning of the probability

    大地電磁場概率成像方法是一種新的地球物理成像反演方法，它是根據在大電磁波場的激勵下，地下介質電阻率間斷處產生感應電荷積累和導體內部產生感應電流，從而產生感應電磁場的原理，相應地定義了感應電荷發生概率函數和感應電偶極子發生概率函數，通過「相關概率」發生的大小的空間分佈，建立了地表觀測場與地下場源空間分佈的內在聯系。地下場源分佈概率的「像」 ，即測區的感應電荷和感應電流的概率的分布圖像，就是測區內地質體在概率意義下地質異常體的分佈輪廓。
  9. At last, future research of the method and system improvement is discussed

    最後，探討了定量電流感覺測量方法的進一步研究和第二代系統需要改進的地方。
  10. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點，提出了新的單端行波故障測距方法，它不僅能夠有效地識別出測距所用的反射波，而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響，在近區仍可以準確地進行測距；同時模擬阻波器的特徵，設計了低通數字濾波器，對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析，並利用本文提出的單端行波故障測距方法進行故障定位，結論是所提出的測距方法在實際應用中仍是有效的。
  11. This thesis is founded on the investigation of the ion migration of 500kv dc ceramic support insulators for the production of the 500kv dc ceramic support insulators. in the test system, we added the grounding switch for each circuit and the mutual switch, prescribed the four status of the current measuring program, making the measurement system more stabile

    在對離子遷移試驗研究的過程中，對原有離子遷移試驗測量系統進行了改進，通過為每路泄漏電流迴路設置接地開關及公共測量開關，並在軟體上為測量迴路設定4種狀態，提高了測量系統的穩定性。
  12. Although dm can also solve the modulation time error, but the output waveforms can ’ t reach the industrial standard ( total harmonic distortion thd ). considering this, a new control strategy called current optimal control ( coc ) is presented in paper. coc is that system samples the output value real time, comparing with expected value, considering all switching actions available then draw a concluding to decide which way would be fastest and best way to render system smooth

    針對這一缺點，本文提出了一種更好的控制策略，電流最優delta調制，它是在電流滯環控制的基礎上，根據電路的輸出信號來分析，考慮所有可能的逆變器動作來決定選用哪一種開關轉換方式能最快最平穩地達到預期值，採用的是一種電流預測控制手段，從而使輸出波形的紋波最小。
  13. The principle of the fault distance measurement for small current grounding system by injecting dual frequency signal are discussed from many aspects such as the method and the characteristic of the signal, the test of the signal, the method of the line select, the algorithm of the fault distance measurement, and the method of the fault location, etc. the task adopts this kind of principle, in which the signal injection is completed by the coupling between the power source and the pt

    在詳細地說明以上三種測距演算法的基本原理后，分析各種演算法的優缺點，從注入信號的方法、特徵，注入信號的檢測，接地選線的方法，故障測距的演算法，及故障定位的方法等多個方面，論述了本課題採用的應用於小電流接地系統的雙頻信號注入式測距原理。其中，信號的注入由功率源通過電壓互感器（ pt ）耦合來完成。
  14. Insulators leakage current has a close relationship with insulators contamination and humidity state, so it can provide an integrated reflection of the course of contamination flashover. the contamination flashover on - line monitoring device introduced in this paper predominates the insulators insulation degree by measuring leakage current, environment temperature and humidity. with the help of the device, an active partial aperiodic cleaning method will substitute the former passive general fixed cleaning method in order to prevent the contamination flashover to a larger extent

    本文所描述的防污閃在線監測系統通過直接測量絕緣子表面的泄漏電流及環境的溫度和濕度，經過數據處理、分析、判斷，達到對絕緣子絕緣狀況實時監測的目的，以此為依據變定期的、全面的、被動的清洗為不定期的、局部的、主動的清洗，最大程度地防止污閃事故的發生。
  15. Distribution power systems in our country are almost ineffective grounded systems, it is called small current neutral system ( scns ). but the unique characteristics of ground - faults of the scns make it difficult to locate exactly the fault point of transmission lines

    我國大多數配電網均採用中性點非有效接地系統，即小電流接地系統，但由於該系統自身的特點，其單相接地故障的檢測定位成為長期困擾電力工作者的一個棘手問題。
  16. To achieve it the author established a new observation flux linkage based on mras ( model reference adaptive system ), which choose the stator current as comparing signal and can effectively estimate the flux linkage and rotate speed with simple configuration. the speed estimation with speed sensorless is an important trend of modern ac drive

    對磁鏈的觀測採取了改進的u - i積分器，並提出了一種新型的定子磁鏈mras自適應觀測器，以定子電流作為比較信號，結構簡單，能有效地辨識定子電阻，從而真正有效地估計定子磁鏈和速度。
  17. Earthing capacitance currency measurement of 6 35kw network at dongtan coal mine

    電網各相接地電容電流的測定
  18. Capacity variation of two capacitance of measuring membrance is also proportion to pressure. by amplified circuit the would be linearly converted to 420 ma dc two wire system current voltage or digital hart output signal high - speed addressable remote sender data road

    測量膜片的兩電容固定極板的被放大電路線性地轉換成420ma dc的二線制電流電壓或數字hart高速可尋址遠程發送器數據公路輸出信號。
  19. In this paper, the important point is the study about the application of wavelet analysis in single phase grounding fault location of small current grounding power systems, wavelet transform is used as a novel tool of signal analysis to obtain useful fault transient components, a new criterion of fault line selection is constructed based on the time and frequency localization character of wavelet transform

    本論文主要研究了小波分析在小電流接地系統單相接地故障定位中的應用，利用小波變換這一新興的信號分析工具，提取故障時的暫態電量信息，構造出了基於小波變換模極大值奇異性檢測原理的新型選線判據。
  20. The result shows are as following, first, using a. c. impedance measurement to measure the compression sensibility of cfrc can eliminate the polarization effect at the electrode of cfrc specimen and the thermoelectric force of the electrode effectively ; the thermo sensitive effect can be avoided by using little electric current, so the a. c

    結果表明：採用交流阻抗法測試cfrc試塊的壓敏效應可以有效地消除cfrc試塊的電極處的極化效應和電極界面的熱電動勢；採用小電流供電可避免溫敏效應，因此交流阻抗法要比直流電阻法穩定性好。
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