負序分量 的英文怎麼說

中文拼音 [fēnliáng]
負序分量 英文
negative sequence component
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後,線路中會出現電流的突變,可以作為故障啟動判斷的標志,並且通過析得出了故障時基波電流的相位特點。在故障暫態過程中,故障電流中含有大豐富的諧波成,各次諧波在故障期間有突變,並且衰減很快。
  2. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計,具體包括:集流體的處理、 pvdf的加入、漿料攪拌時間和粘度、導電劑的加入、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順,確定正極膜中的導電劑的加入別為5mass %和9mass % ;極膜中導電劑的加入為2mass % ;電解液的加入為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正極活性物質的質比應當在2 . 1 : 1 2 . 15 : 1之間。
  3. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還責系統的邏輯控制;視頻數據幀存模塊為大高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時實現對系統中編、解碼晶元的初始化。
  4. The feasibility of decomposition of transition firing sequence, the application of them in the detecting lfs and the reverse course of decomposition - synthesis are discussed. they provide theoretic basis for our algorithm in the field of petri net. supported by the above, two main part is included in the algorithm : at first, x is transacted according to the following method in order to get a set of xb named as basic vector of x which is the firing count vector of a directed path without circle if md is reached from m0 in the rg ( m0 )

    在變遷解的指導思想下,我們的演算法主要通過以下兩步工作完成: ( 1 )首先對給出的已知條件中滿足狀態方程的n維非整數向進行處理,得到一組x的基礎向x _ b ,使得在petri網的可達標識圖中,若存在一條由m _ o到m _ d的有向無環路,則x _ b為這樣的路上變遷引發列的發生數向
  5. In summer, load is affectd by meteorological elements greatly. based on multidimension time series approach, the car model is constructed, which could take account into the accumalated influence from temperature and inertia action from historic load, meanwhile, the advantage of the model is that its expreaasion is in the form of apparent function, which could provide us some quaqutive imformation existed between input variable and output variable

    本文以多維時間析方法為基礎,成功地解決了未來日荷與前些日荷慣性變化的影響,以及氣象累計效應的影響顯性函數關系問題,從而為荷預測人員掌握未來荷與歷史荷,歷史氣象要素與當日氣象條件之間的規律,提供了化的析基礎。
  6. Electricity metering - data exchange for meter reading, tariff and load control - part 42 : physical layer services and procedures for connection - oriented asynchronous data exchange

    計.抄表電費和荷控制的數據交換.第42部:面向連接的異步數據交換用物理層使用和程
  7. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現非特徵諧波,使直流電壓和交流電流波形發生嚴重畸變;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  8. This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector

    本文提出了一種基於空間矢概念的基波正負序分量實時提取新方法。
  9. In the first two parts, the thesis conducts comparison and ordering of financial indicators respectively for four types of institutional units in accordance with their functional classification, in addition to analyzing and describing their general conditions. in the last part, the thesis uses index analysis method, selects the analysis indicators representing respectively the financial conditions of each institution on the basis of the different financial management characteristics of the four types of institutions, in order to form different evaluation models. through calculation, it evaluates the general financial conditions of each institutions with quantitative standards

    在收支析和資產析部,論文除對總體情況析描述外,重點按照職能類對四類事業單位的各項財務指標別進行了比較和排;在綜合析部,論文採用了指數析法,根據四類單位不同的財務管理特點,別選取了可以代表每類單位財務狀況的析指標,形成不同的評價模型,通過計算,從化標準上對各單位的綜合財務狀況進行了評價。
  10. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢的概念,提出了一種基波正、基波負序分量及諧波的自適應檢測方法,並進行了詳細的理論析,為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  11. On the analysis of the theory of instantaneous reactive power, the paper brings forward a new harmonic detection method based on multiple frequency transform. the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail. the correlative concepts are defined and the simulation validates the feasibility of this method

    本文在析瞬時無功功率理論的基礎上,提出了一種基於倍頻旋轉變換的諧波測方法,別針對正負序分量,從理論上證明了該方法能離出單個的諧波,給出了相關的定義,最後通過模擬驗證了該方法的有效性。
  12. The timing - and - quantitation precision injection of lpg was realized with high - speed lpg solenoid valve and a set of electronic control system, which was designed by the author and can flexibly control the gas supply system of lpg. based on the analysis of experimental data got by comparing the performances before and after the application of the set of equipment on lr6105q12 diesel engine, the effects of load, speed and replace ratio, etc on the emissions of smoke, hc and co of dual fuel engine were expounded. through optimization, the smoke emission was utmostly reduced and the emissions of hc and co were within the government restriction

    為此,本文通過對各個方案進行詳細比較,選擇了電控多點順噴射的供氣方案;利用高速lpg噴射閥和自己獨立開發出一套電子控制系統對lpg供氣進行靈活地控制,實現了lpg的定時定噴射,並把這套裝置應用到中國一拖生產的lr6105q12柴油機上,在對改裝前後的發動機進行大試驗和析的基礎上,闡明了荷、轉速、摻燒比等因素對雙燃料發動機的煙度、 hc 、 co等排放的影響情況,並且通過優化,最大限度地降低了發動機的煙度排放,同時使hc 、 co排放限制在國家標準規定的范圍之內。
  13. It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation

    本文實測了瀘州石燕橋變電站電氣化鐵路牽引荷注入電網的諧波和負序分量,著重析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和的影響,並針對石燕橋變電站出現的問題提出了對策。
  14. The concrete contents include : one background : with the comparison with the western countries, our compulsory education displays a strong government - oriented behavior, which is the root of success and potential failures in our compulsory education two clues : in " ought to be " level, it is " local quasi - public goods - - polycentri supply " and in " be " level, " pure public goods - - monopolized supply by government " one theoretic judgment : the separation of manufacture and provide in compulsory education, which gives the chance for polycentri manufacture of compulsory education one center point : to stick to the main responsibilities of government in providing and managing the compulsory education three contents : subject ( which ? ) : local governments are the responsibilities subject of compulsory education substances ( what ? ) : to ensure the compulsory education ' s public good from the nature, and compulsory education ' s development abilities of the whole local government from the quantity measures ( how ? )

    具體內容有: ?一個背景:在中西方義務教育比較出的基本特徵中表現出的強烈的政府驅動,我國義務教育所取得的成績和所蘊涵的危機都在於此?兩條線索:理論應然層面上的「地方性的準公共產品? ?多中心供給」和實然層面上的「純公共產品? ?政府壟斷供給(單中心) 」 ?一個理論判斷:義務教育的生產與提供的離? ?義務教育的多中心生產的可能性?一個中心:堅持政府在義務教育中責任的主要性? ?提供與管理?三項內容主體(哪一級政府) :根據博奕理論,地方政府是我國義務教育的責任主體內容(什麼責任) :質上保證義務教育的公益性,上保證各地方在義務教育發展力上的均衡措施(怎樣責人通過政府間的轉移支付保證義務教育中的程正義,通過義務教育的多中心生產,把「麵包做大」保證義務教育中的實質正義當然,在此對本文內容的區梳理,只是一種思路的順
  15. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差圖像中所具有的近鄰反相特徵,即運動點目標的兩個位置相鄰近、灰度值一正一,提出一種在復雜背景下,基於紅外列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差圖像中檢測反相點對,進而構造反相點對矢圖,最後依據累積反相點對矢圖中多矢首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明,當信噪比大於或等於1 . 5時,可以有效檢測出運動點目標
  16. In order to consider the different heating of positive - sequence current and negative - sequence current of the motor stator generally, the equivalent current is adopted instead of the traditional phase current. the way how to gather positive - sequence current and negative - sequence current is brought forward, and the recurrence fourier - algorithm is adopted to calculate the effective value of current and voltage, the effective value of positive - sequence current and negative - sequence current

    為了全面考慮感應電動機定子正電流和電流的不同發熱效應,提出了正電流和電流獲取的方法,並採用遞推傅氏演算法來實現電流、電壓及電流正負序分量的有效值的計算。
  17. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢的概念,提出了一種開環的基波正、基波負序分量及諧波的實時檢測方法,這種方法可以看作是空間矢的概念與傳統的基於濾波器的諧波檢測方法的結合,它能夠克服原有的基於濾波器的檢測方法的不足,可用於hvdc - vsc的不對稱運行控制。
  18. If you can distribute your load to more websphere servers, your application throughput will be increased to handle more incoming messages

    如果您能把您的配給更多的websphere服務器,那麼您的應用程的流將被增強來處理更多接收到的消息。
  19. In the second one, the input current displacement angle is dynamically modulated as a function of positive and negative sequence components of the input voltages. in both cases, the harmonic content has been evaluated analytically

    第二種方法中,輸入電流矢根據輸入電壓正、進行動態調制,並對兩種情況下的輸入電流的諧波成都進行了析。
  20. 14 wang xin, schulzrinne h. rnap : a resource negotiation and pricing protocol. in international workshop on network and operation systems support for digital audio and video nossdav 99, basking ridge, new jersey, june 1999, pp. 77 - 99. 15 janssen j, vleeschauwer d d, petitit g h. delay and distortion bounds for packetized voice calls of traditional pstn quality

    它通過實施業務計劃為用戶的業務或業務應用定義最優化的業務類,同樣由於優化度評估值基於用戶的評估標準,包含荷和性能價格比元素,因此,不但可為用戶的業務應用提供定的qos保證,而且可引導業務在不同業務類之間有佈和提高用戶業務或業務應用的性能價格比。
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