電力測功法 的英文怎麼說

中文拼音 [diànlìcègōngfǎ]
電力測功法 英文
electrodynamometry
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  1. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。
  2. On the running theory of electrical power ergograph and the basic control theory basis, this paper expatiate on the mathematic model and modulating speed of ergograph, and expounds the principle and ways of design of hardware and software for measure and control system, and describes the hardware and software with some frames and interfaces, and importantly recommends the way of designing software

    本文根據電力測功機的工作原理和控制理論基礎，主要闡述了測功機的數學模型和調速原理以及整個測控系統的硬體和軟體設計的原理和方法，並輔助框圖和界面對軟硬體進行了詳細描述，重點介紹了系統軟體的設計。
  3. This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information

    該系統提供了光測力學所包括的光彈法、雲紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的介面，主要實現了等差線圖像和等傾線圖像的採集、干涉條紋圖像預處理、全自動提取光彈條紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能，為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎，同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。
  4. Secondly, she builds the index system using patent data and measures the company technical competence, marketing competence, organizing competence and total competence by using improved hiberarchy analytical method. finally, the paper chooses nine electronic companies in the fortune 500 of the world to test the feasibility of the classified patent measurement

    該方法主要利用專利的技術情報和經濟情報功能，主要利用專利指標及其它工業產權相關補充指標，構建了核心能力定量化指標體系，利用突變層次分析法分別從企業技術能力、市場能力、組織能力三方面進行了綜合測度，並選取世界九大家電企業為分析樣本，進行了實證對比分析，驗證了專利指標分類測度法的可行性。
  5. First, the indispensable parameters and the function specifications which need testing are given in the paper on the basis of the function specifications that are regulated in every kind of locomotive electric apparatus in repairing period issued by railway ministry. the arrangement method and testing operation mode of the testing system are introduced and the function demands of the control software are provided, too

    根據鐵道部頒發的各型電力機車段修規程，分析並給出了機車電器測試系統需要測試的電器參數及其性能指標；然後提出了被測試電器的安裝方法與測試操作方式，以及控制軟體的功能要求。
  6. Applying the reliability engineering method, the author makes relatively comprehensive analysis of the electric dynamometers and their control system, and also makes a few point of view and proposals for improving the product quality

    運用可靠性工程方法對電力測功器及其控制系統進行了較為全面的分析，提出了提高其產品質量的幾點意見和建議。
  7. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法，從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器，並聯合兩種傳感器形成了電壓、電流的同步測量系統，實現了諧波分析、鑒相及有功、無功功率的計算，可對電能質量進行監控。
  8. This paper presents a method of test, estimation and predication of some state parameters of the power unit in power and electric equipment, these parameters can be temperature, voltage, current and so on ; when attaining the values of these parameters at the next state, whether the power unit will go into the malfunction or not can be knew, according to the result, some measures can be made ; by controlling the values of correlative parameters, the unit could be maintained in its optimal running status ; so the damage to the power unit can be prevented, the running quality of the driving system can be guarantied, and the optimized control level of the system can be improved

    本論文提出了一種利用預測估計的方法，對電力電子設備中的功率器件的某些主要狀態參量（如：溫度、電壓和電流）進行測試、估計並預測，從而得出未來的運行狀態；然後據此判斷該功率器件是否已進入故障范圍，以便提前採取措施，通過對相關參數的調整來保證功率器件始終工作在最佳狀態；這樣，既避免了功率器件損壞的發生，又避免了驅動系統故障狀態的出現，明顯地提高了系統優化控制的水平。
  9. Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages, need not calculate the harmonics and reactive current components, as well as the use of any multipliers

    單周控制三相四線制有源電力濾波器不需要檢測三相負載電流和三相電源電壓，不需要檢測諧波和無功電流，也不需要使用任何乘法器。
  10. Picep eliminated the drawbacks existing in traditional measurements ( using light oscilloscope, magnetic tape machine and fault wave recorder ), such as failure to start automatic recording, low acquisition speed, less synchronous recording channels, joint grounding of channels and less analysis functions for electrical parameters acquired, etc. picep meets the requirements of both production and r & d need of power system

    Picep解決了傳統方法試驗方法（光線示波器、磁帶機、故障錄波器）中不能自動啟動記錄、採集速度低、同步記錄通道少、各通道共地、對測得的電氣參數軟體分析功能少等弊端，滿足了電力系統生產實際和科研的需要。
  11. A dft - based method for phasor and power measurement in power systems

    的電力系統相量及功率測量新演算法
  12. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensation performance is not affected by the impedance of power grid, it has advantages as follows, fast response, high controllability and adaptability, etc. brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques

    它可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對有源電力濾波器的各種諧波電流檢測法及控制方法進行了簡要的優缺點說明。
  13. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper

    有源電力濾波器可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。
  14. With the development of electric - electronic technology, microelectronic technique and modern control theory, and with studying harmonic suppression and reactive power compensation using it, the active power filter has improved greatly. the methods and the circuit of detecting current have already improved greatly

    隨著電力電子技術、微電子技術和現代控制理論的發展，及其在諧波抑制和無功功率補償研究中的應用，有源電力濾波器得到了飛速的發展，同時其電流檢測方法以及檢測電路也取得了長足的進步。
  15. Computation method based on fast fourier transformation ( fft ) is studied deeply, whose measurement accuracy is 0. 2s. the computing indexes involve voltage, current, power, frequency, phase, electric power, the harmonic ratio and the total harmonic distortion ( thd ) of phase voltage and phase current

    深入研究了測量精度為0 . 2s級的基於快速傅立葉變換（ fft ）的電壓、電流、功率、頻率、相位、電能等電力參數和各相電壓電流各次諧波含量、諧波含有率、諧波總畸變率的計算方法。
  16. Research of maximum power extraction algorithm for inverter - based variable speed wind turbine system is going on in the last chapter. main maximum power extraction algorithm is discussed and compared. a new mppt control algoririthm is discussed to get fast and stable traking of maximum wind power in detail, then advanced hill - climb searching method has been developed for maximum wind power traction

    因此本文最後對一些最大風能俘獲的先進演算法進行了研究，仔細探討了最大功率點跟蹤演算法，並提出了一種先進爬山搜索風力發電最大功率俘獲智能演算法，採用該演算法不需測量風速和風機轉子速度，並且與系統特徵參數獨立，能應用於大小各種風機，具有非常好的效果。
  17. Secondly, the modification function and resonance produced by running power capacitor increased the harmonic at the same time, which worsen the operation environment of itself. it is very important to analyze the reason of harmonic and conduct the valid measure to restrain its affect and guarantee the safely operation of power network. the author has present the point in this paper, based on the operation characteristic of modern power system, the author described the production and development of network harmonic with the consideration on the same kind of problem

    本文以現代電力網路的運行特點為基礎，結合近年來對所涉及的同類問題的思考，對系統諧波的產生、發展的一般規律進行較為全面的理論闡述；以大量事故案例分析諧波所帶來的危害和影響；通過實地測試和對所得數據的分析研究，推導出一種應用matlab的fft的諧波分析方法，給出了該方法的程序流程框圖及結果界面顯示；在此基礎上進一步探討了利用現代通信網路建立電網諧波網路管理分析系統的總體構想和功能。
  18. On the base of it, a piece of data collection special chip with a core of fft is designed with vhdl ( vhsic hardware description language ) in the way of top down system design method, which can finish harmonic analysis and measure the voltage, current, frequency and power of the electric power system

    在此基礎上，使用標準的硬體描述語言vhdl設計出一個fft變換內核，並以該內核為核心、採取自上而下的系統設計方法完成了一個電力系統數據採集專用晶元的設計，實現對電力系統的電壓、電流、頻率、有功和無功功率等參數的測量以及各次諧波分析。
  19. The simulation results of a hvdc light system based on vsvpwm and pid controller verify the feasibility of vsvpwm and pid controller to hvdc light systems. the power flow model of hvdc light system is also proposed, and a power flow calculation program incorporating with hvdc light is developed, based on psasp / upi. the epri 7 - bus test system is applied to test the proposed model and algorithm, and the results prove it feasible and correctness

    本文分析了用於vsc控制的電壓空間矢量脈寬調制（ vsvpwm ）的基本原理，提出了基於pscad / emtdc軟體的vsvpwm模擬方法；建立了hvdclight系統的穩態模型，並結合該模型確定了控制量與被控量的合理對應關系，設計了適用於hvdclight系統的pid控制器；通過對採用vsvpwm和pid控制器的hvdclight系統的數字模擬研究，驗證了vsvpwm和pid控制器應用於hvdclight系統的可行性；建立了hvdclight系統潮流計算的數學模型，利用psasp軟體及其用戶程序介面功能開發了含hvdclight的電力系統潮流計算程序，並結合epri7節點測試系統的算例分析，證明了該模型及其實現方法的可行性和正確性。
  20. The afm results showed that nanospheres modified pla membranes via electrostatic assembly were obtained successfully. the cytocompatibility test results showed that the gelatin nanospheres and chitosan nanospheres that embedded on the pla membranes could obvious promote the attachment, growth and activity of chondrocytes

    原子力顯微鏡（ afm ）和接觸角測試分析結果說明採用靜電自組裝法可以成功制備得到具有不同表面性質的納米微球改性聚乳酸組織工程材料表面。
分享友人
分享到 Line

分享到臉書