零態電流 的英文怎麼說

中文拼音 [língtàidiànliú]
零態電流 英文
zero state current
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 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...
  • : 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...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. According to the mis configuration and flows, dfmis - 1 software system has been programmed which is composed of inventory management subsystem, purchasing management subsystem and manufacturing schedule management subsystem. through studying deeply manufacturing schedule management, we find a way to make mrpii and jit be jointed together into manufacturing schedule and monitoring block. the study discusses especially how to make certain the producing period of all of component during dynamic manufacturing with methods of jit and " electronic bulletin ", how to get true capability of implementing plans in all working procedure section, and how to empower monitoring manufacturing in order to avoiding break between working procedure sections

    其中一項就是設計並實施了整個公司的網路綜合布線和計算機系統的配置;第二項是根據公司最急需的功能,從「信息」 、 「物」和「資金」的角度,提出了相適應的mis結構和程,據此開發出具有庫存、采購和生產計劃管理功能的dfmis - 1軟體系統,並對其中的生產計劃管理模塊進行了較深入的研究,實現了mrpii和jit在生產計劃、生產監督上的結合和應用,特別對利用jit及其「子看板」在生產動中確定部件的生產周期、獲得各工序段實際執行計劃的能力,以及在加強生產監督、避免各工序之間的脫節上做了進一步的探討。
  2. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫幅值法」 、 「穩基波方向法」 、 「穩7次諧波方向法」和「 s信號注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。
  3. In 2000, the company imported cad systems, cradle - style cloth laying machines, computer automatic cutting system, durkopp computer sleeve machines, computer automatic pocket - hole sewing machines, and macpi computer - control solid press flowline from america, germany and italy. from the course of stocking to processing, and leaving factory, each working procedure is under controlled state in order to prevent unqualified products and insure 100 percent yield

    2000年公司自籌資金,從美國、德國、義大利引進cad放碼、排版系統;獨特搖籃式鋪布機,腦自動裁剪系統,杜克普腦上袖機、開袋機,邁埤腦控制立體整燙水線。公司從進貨檢驗,加工直至成品出廠,每道環節、工序都處于受控狀,以消除和防止不合格產品轉序和出廠,保證產品合格率達到100 % ,全面實施"缺陷工程" 。
  4. ( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer

    ( 3 )提出了高頻離子源等離子體的維cram模型( collisionalradiativeatomicandmolecularmodel ) ,計算了非平衡( nte )下等離子體中分子、子、離子、基原子、激發原子等粒子濃度,並在zf - 200kev中子發生器上,用60磁分析器實驗測定了引出束的質子比。
  5. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動老煉、超高壓工頻老煉、大老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切容器組的重燃率大大降低,並通過實驗驗證真空開關投切容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  6. The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined

    本文將諧振感和變壓器交換位置,使變壓器與滯后橋臂相連,這樣箝位二極體在一個開關周期中只導通一次,同時時諧振較小,有利於提高變換效率和減小占空比丟失,本文分析改進后變換器的工作原理,並與改進前的變換器進行對比,討論隔直容在不同位置對變換器工作的影響,確定一種最佳工程方案。
  7. ( 2 ) each state of the total switching period has been studied in detail, in which the voltage of block capacitor and current of leakage inductance of main transformer and keeping time of each state have been discussed, then the condition of zero voltage switching is attained, which gives theory guidance for setting reasonable dead time, finally, the possibility of zero voltage switching is proved by simulation of saber software

    ( 2 )對不對稱半橋在一個完整的開關周期內各個狀分析,描述了隔直壓和變壓器漏感的變化規律,各個狀的持,然後得出實現zvs的條件,從而為設置合理的死區時間提供了理論指導,最後用saber軟體進行了模擬,驗證了壓開關實現的可能性。
  8. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩和暫特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以、模等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  9. 4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states

    開發並實現了控系統的硬體部分,包括顯示模塊:主要負責人機交互,顯示濕度、溫度,修改濕度、時間、日期、星期,和主控模塊通訊;源驅動模塊:主要提供各個模塊的源,驅動被控設備,實現主控模塊的意圖,並能實現繼器的過保護,過、過壓、欠壓保護;水位傳感器組:負責測知水位的狀,並把此狀送入單片機,單片機經過判斷、處理反過來控制水位,實現水位的閉環控制。
  10. The dynamic breaking - course studying adapt to zero - current - break control

    適應分斷控制的動分斷過程研究
  11. Compared with phase - shift control, pwm plus phase - shift control can reduce the current stresses and rms currents of the converter. the loss of the converter can also decrease. lt is proved the converter can achieve zvs in larger load variation

    與常規相移控制方式相比, pwm加相移控制方式能減小變換器的應力,減小通損耗,同時也能拓寬壓開關的范圍,使變換器在較寬的負載變化范圍內都能實現軟開關。
  12. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線,討論了利用小波分析的奇異性來判斷故障啟動時刻,提出將小波分析和人工神經網路結合,利用人工神經網路的非線性逼近能力,實現故障暫量到故障距離的非線性映射,完成測距。
  13. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心,採用了一種相角實時測量的新演算法,並在此基礎上計算出了功率因數、有功和無功,減少了運算量提高了精度;在分析了各種無功補償控制策略的基礎上,以母線壓和無功功率復合判據控制投切,並提出一種改進的容器投切方式? ?暫投切控制晶閘管過觸發,避免了容器投切時的沖擊;穩運行時接觸器替代晶閘管,實現無功補償的自動跟蹤和容器的自動投切,解決了投切時的暫沖擊和穩時可靠運行的難題;控制器的原始運行參數採用flash自編程技術,將其保存在msp430f149片內的信息flash中,簡化了硬體路,大大提高了系統的可靠性。
  14. Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well

    本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小、短路開斷方式5短、中、長燃弧后3ms內滅弧室二維靜場分佈進行了分析計算;對該斷路器開斷小時近似的冷場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣場進行分析計算的基礎上進一步採用一維氣場和二維氣場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱場進行了分析計算。
  15. Further, the methods are proposed to compare and summarize for choosing fault line and detecting distance in neutral ungrounded system. subsequently, the characteristics of zero sequence current and transient courses are introduced and analyzed

    接著對小接地系統單相接地故障時的暫過程及特點做了介紹和分析。
  16. Subsequently, the transient course and characteristics of zero sequence capacitive current are introduced and analyzed

    然後對小接地系統單相接地時的暫過程及特點做了介紹和分析。
  17. This paper discusses the size of transient zero current and the method of analyzing it. numeral simulation shows the feasibility of it. negative current at fault line is differ distinctly from non - fault line

    文中討論了分量的大小和提取方法,對數字模擬和混合模擬試驗數據進行分析,結果表明分量用於單相接地故障識別是可行性的。
  18. Based on the tsc reactive compensation equipment, a new low - voltage intelligent controller is designed, which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components, and can realize auto - tracking reactive power, compensating and auto - switching scb. msp430f149 mcu is used as its core controller. it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency, for example power factor

    該控制器以msp430f149為控制核心,暫投切控制晶閘管過觸發,避免了容器投切時的沖擊;穩運行時接觸器替代晶閘管,實現了無功補償的自動跟蹤和容器的自動投切,解決了投切時的暫沖擊和穩可靠運行的難題。
  19. In order to settle this problem, basing on a power electronic controlled fast adjustable perterson coil, this paper provide a new principle of selecting the line with the fault, which make use of the dynamic changes in the current through the zero order line

    為了解決這一問題,本文在一種由子技術控制的快速調節消弧線圈的基礎上,提出一種新的故障選線原理,利用線路的動變化量來選線。
  20. Numerical computation of the dynamic variation of the arc have been completed in the process of before current zero, after current zero and approaching zero to simulate the arc dynamic variation during the interruption process for the high voltage sf6 circuit breaker

    前、過期間以及后的弧動變化進行數值求解,實現了高壓sf _ 6斷路器開斷過程弧動變化的模擬模擬。
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