準諧波系統 的英文怎麼說

中文拼音 [zhǔnxiétǒng]
準諧波系統 英文
quasi harmonic system
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. Therefore it is the sticking point for solving the problem about separating the duty to find methods by which the customer emission level can be accessed ( the voltage that a customer ' s harmonic current begets at the point of common coupling ) more accurately

    由於劃分的依據主要由用戶與電力雙方發射的電流在公共聯接點引起的電壓降的比例決定,因此,尋求對用戶發射水平(用戶電流在公共聯接點所引起的電壓降)的確估計方法,成為了解決責任劃分問題的關鍵。
  2. A new harmonic analysis method for electric power systems based on triangle basis functions neural network was presented, the convergence theorem of the algorithm was proposed, and a window function and interpolation algorithm were employed to correct the frequency of fundamental waves

    摘要提出了一種新的基於三角基函數神經網路的電力測量方法,給出了該神經網路演算法的收斂定理,並採用加窗插值演算法修正基頻率的確度。
  3. In order to supervise the system status and restrain harmonic disturbance, accurate harmonic measure has become a pivotal problem

    為了監測狀態、抑制干擾,對其進行確測量成為一個關鍵性的問題。
  4. This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data

    本文通過對電力及局域電網振現象的理論分析,設計、開發了局域電網振特性分析軟體,利用該軟體可以獲取連續頻域內的振特性曲線,發現振區域,而且還能根據實際測試數據,正確計分析出所要求的參數,同時能夠恢復電網實際的電壓、電流形,並能根據國家標自動生成分析報告。
  5. Areas covered in the review include bonding requirements, lightning protection requirements and harmonic current limits requirements. we are updating the reference list for international standards and adding an index page for quick reference

    今次修訂的內容包括等電位接駁的要求、避雷的測試方法及電流的限制,並更新國際標的參考資料及新加索引等。
  6. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力分析通常都是通過快速傅立葉變換( fft )實現的,但是這種方法存在柵欄效應和頻譜泄漏,使計算出的參數即頻率、幅值和相位不,尤其是相位誤差很大,無法滿足確的測量要求。
  7. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力中採用的測量方法而提出的一種基於鎖相倍頻採集方法,通過鎖相環對電力形進行實時跟蹤,既解決了頻譜泄漏對測量精度的影響,又實現了快速的,確的,實時性的測量。
  8. The adaptive optical transducing principle on independent variables is presented in this paper, and a new adaptive optical current transducer ( aoct ) has been developed with the new independent variables introduced to oct, in which the precise power frequency current offered by a reference model of steady state is benchmark, and the measured harmonious and transient currents from optical transducer might be adjusted adaptively applying the adaptive arithmetic, so that both the steady state and transient precision of the aoct has been improved

    論文提出了獨立量自適應光學傳感原理,並應用這種原理的一種形式? ?光電獨立量自適應光學電流傳感原理,研製了一種新型的自適應光學電流互感器( adaptiveopticalcurrenttransducer ,簡稱aoct ) ,以穩態參考模型所提供的高精度基電流測量值為基,應用自適應演算法對aoct中光學傳感頭輸出的穩態電流中的基和暫態電流測量值進行自適應校正,從而能夠綜合提高oct對電力穩態和暫態電流的測量精度。
  9. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵磁電機( acem )採用電力電子變流器作為勵磁裝置,其勵磁電壓含量豐富,難于獲得分析所需的電壓基,同時交流勵磁電機經常工作在同步轉速附近,致使勵磁電壓頻率極低甚至為直流,通常的檢測方法和理論都無法適用,因而這是一種目前尚未深入探討過的復雜供用電電力抑制問題的研究。
  10. The watt - hour meters are the core part and the basic measure, whose measuring veracity count for much the precision of the electrical energy measurement, so it is necessary to study thoroughly on the effect of harmonics on the electrical energy measurement of watt - hour meters

    電能表是電能計量的核心部分和基本量具,其計量確度直接關繫到電能計量的精度。因此深入地研究對電能表和電能計量的影響是十分必要的。
  11. The 2503ah power analysis instruments come with preprogrammed configurations for electronic ballast testing, several 3 phase and motor test configurations. you may configure the 2503ah - 3ch as 3 independent power analyzers, or as the most advanced 3 phase analyzer. for electronic ballast testing, one channel may be set up to measure line input dais, while the other two channels measure the high frequency signals

    Xitron儀器已為電子鎮流器測試制訂速度與確度的新標,高速fft處理器能將鎮流器測試時間縮減可高達75 % ,測試參數包括效率,功率因素,失真及個別的內容, 2503ah列可完全支援iec - 555符合測試,亦為先進的測試實驗室,測試製造商及全球三大照明產品製造商所廣泛採用
  12. In this chapter, the suitable devices and circuit structure have been choosed to design a second order multiplier, a fifth order multiplier, a sixth order harmonics mixer and a dro operating in 9. 4ghz. the forth chapter is a section of system realization and test, in this chapter, the system of low phase noise frequency source has been constructed and tested. the results show that the targets of the system have been achieved

    第三章的分器件與實驗數據部分,主要是以上述第二章的分析為基礎,以所推導的理論公式為指導選取必要的器件和合適的電路拓撲結構,分別設計實現了一個二次倍頻器,五次倍頻器, 6次混頻器和一個9 . 4ghz的介質振蕩器,為後述整個的實現在硬體上做了必要的備。
  13. Surveying power harmonic using the special effect on detecting singularity point and high resolving degree in time domain of wavelet, combined with the exact frequency resolving ability of fast fourier transform

    利用小變換突出的奇異點監測效果和較高的時域解析度,結合快速傅立葉變換確的頻域分辨能力進行電力分析。
  14. 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、採取自上而下的設計方法完成了一個電力數據採集專用晶元的設計,實現對電力的電壓、電流、頻率、有功和無功功率等參數的測量以及各次分析。
  15. The thesis uses sql server 6. 0 database, standard sql access interface, and oriented - object program language vc + + to implement our electric network dispatching message management system. the system can operate like this : automaticly check if having data files come ; discriminate file type ; automaticly read data into database ; rapidly give out the precise analysis results, including waveform display, fault component calculating ; select fault phase ; distinguish fault type ; precisely fault allocate ; run all kinds of database administration, like antomatic add - on, automatic deletion, amendment, inquiry by different conditions ; print all kinds of outcome and keep them into database ; share data resource by web technique ; deal with complex faults. the whole system i finished will be powerful technic support for dispatching operation

    本文採用標的sqlserver6 . 0數據庫,標sql訪問介面和面向對象編程工具vc + +進行編程,實現了集數據庫、分析計算、圖形化界面、網路通訊於一體的電網故障錄信息管理及故障診斷,該能夠在每次故障后自動查詢有無數據文件的到來;能夠對傳送到調度端的數據文件分析其類型;能夠按comtrade格式自動地將大量數據信息完整地填入數據庫中;能夠進行故障選相,故障類型判別和故障精確定位;能夠快速地對故障做出精確的分析,計算各次分量,有無功和視在功率,功角,序分量等;能夠對數據庫進行各項管理,如瀏覽,自動添加和刪除,修改和按各種不同條件進行查詢;能夠將計算結果,各種表格圖形列印出來和保存進數據庫中;能夠將計算分析結果通過web技術為其他部門提供共享數據資源
  16. The task will be completed by designing 3mm quasi - optical resonator to get small waist radius of gaussian beam existing in quasi - optical resonators. the 3mm quasi - optical resonator test system is built and the test soft is written in vc + + language. we test on dielectric plates, then realize sweep test of large - area sample by adjusting move set to get dielectrical parameter distribution

    本課題擬通過設計3mm開放式振腔,使開放式振腔中傳播的高斯束的束腰半徑盡可能小,組建3mm光學振腔測試,編寫測試軟體,對介質片進行測試,調節移動裝置,實現對大面積介質片的掃描測試,從而測得介質片介電性能的分佈。
  17. It is deduced theoretically that non - linear load, rather than linear load, generates harmonics, which translates part of fundamental reactive power absorbed from power system into harmonic reactive power injected into the power system. the rationality of electric power measurement for linear and non - linear load is studied, and as a result some rational advices are addressed here

    從理論上推導了線性負載不產生,非線性負載將吸收的部分基功率轉化為功率注入,並對電能計量確性和合理性做了一些探討,最後提了一些無功的收費意見。
  18. We bringed forward harmonic wave testing means which is based upon wavelet transform, and follow the change of electric system harmonic wave current time, and accurately tested the harmonic wave signal of abruptly arisen and disappear

    提出了基於小變換的檢測方法,可以實時跟蹤電力的變化,能夠確的檢測到突然出現和消失的信號。
  19. According to the characters of the power harmonic, a kind of self - adaptive harmonic detection method based on in - phase correlation filtering is presented, which is clear and concise in thinking. by this method the low - pass filter can be designed easily, and by using the multiresolution and self - adaptive technique the difficulties of harmonic detection with low variable fundamental frequency and no voltage reference are worked out, which contributes much to the implementation of harmonic suppression

    該方法思路清晰、簡潔,並能方便有源濾器( apf )中低通濾器設計,同時採用多解析度和自適應濾方法,解決了基頻率低且變化、無明顯電壓基可尋的復雜供電檢測的難題,為抑制的實施奠定了基礎。
  20. The system is mainly made of antenna seat and antenna controller. the antenna seat adopts humorous wave technique and can be directly connected with special computer and achieve numeric control, which has high resolving power of scanning and exact orientation

    主要由天線座和天控器兩部分組成,天線座採用傳動技術,可直接與專用計算機對接,實現數字控制,掃描解析度高,定位確。
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