負瞬態 的英文怎麼說

中文拼音 [fùshùntài]
負瞬態 英文
negative transient
  • 負 : 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...
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 態 : 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
  • 瞬態 : transient; instantaneous condition; transient state
  1. Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net

    系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術，配以大容量濾波器與集成化控制系統構成；它具有如下特點：可靠性好、效率高、優良的動（瞬）態，體積小、重量輕、噪音低、負載適應能力強；適用於對電源要求較高的儀器或設備。
  2. After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle

    當焦炭推上攔焦車進入熄焦器后，立即關閉罐蓋，同時啟動真空泵、冷凍機、高壓循環水泵，這時，燃燒著的焦炭就會因真空泵把熄焦器內抽成負壓，由於缺氧，使焦炭熄滅，雖然煤炭在瞬間被熄滅，但由於焦炭生成過程中所產生的大量的熱量還存在，這時，冷凍機和夾層中的循環水的工作就會把焦炭中的熱量帶走，使之在短時間內將溫度降到60以下，在這種狀態下把焦炭從熄焦器內推出入庫，焦炭就不會復燃。
  3. Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements

    批準電力潮流和故障類型使用瞬時電壓角度.通過縮減利潤需求，使用系統狀態測量以增加穩定的系統負荷
  4. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算，得到渦帶工況下葉片表面不同時刻的水壓力載荷，並利用流固耦合方法對轉輪進行結構場瞬態特性計算，分析轉輪葉片的動應力特性。
  5. 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分量，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。
  6. In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal

    得出了虛擬其斷水故障模擬的瞬態溫度曲線結果，並對其進行了分析和探討；同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬，得出了其在斷油情況下和超負荷運轉情況下的分析結果。
  7. In steady and transient state, air temperature field and flow field inside the thermoelectric refrigerator, loaded and no loaded, are calculated by using a cfd software pheonics

    採用pheonics數值模擬軟體，對熱電冰箱的無負載瞬態工作、有負載穩態和瞬態工作時箱內溫度場和流場進行了數值模擬。
  8. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  9. This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes

    在研究小波動情形時，即系統在穩定工作工況點附近小瞬變時，可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型，推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗，整定了最佳調節參數;通過動態比較，分析了調節系統參數改變對其動態性能的影響。
  10. Firstly, begin with building a mathematical model of relay ' s load, or a single - phase asynchronous motor, we analyze the transient process of the spam when it starts and stops by means of qualitative and quantitative methods

    首先從繼電器的負載?單相異步電動機的數學模型的建立入手，分別從定性和定量兩個角度對單相異步電動機的起動和停止時的瞬態過程進行分析。
  11. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾波器（ apf ） ，是為了解決系統線路無功功率因數過低以及負載線路諧波過多，從而出現線路損耗大、電源電壓的瞬態波動過陡等一系列相關問題而產生的一種新型電力電子裝置。
  12. But there are some problems in normal turbocharger, for example, the low speed engine torque is deficiency, the engine ca n ' t works with full capacity when in part load, the transient response remains slow, to improve all the above, the variable geometry turbocharger ( vgt ) comes out to be an effective way

    由於常規渦輪增壓存在低速轉矩不足、部分負荷經濟性差和瞬態響應遲緩的問題，而採用可變幾何截面渦輪增壓是解決這些問題比較有效的方案。本文以vgt60增壓器和yn4100qbz柴油機為研究對象，開發了可變幾何截面增壓器電控系統硬體。
  13. Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily

    動態電流監測器能瞬時反映出負載跳變狀態，更容易判斷手機板的故障部份。
  14. Introduced the antijamming in the numerical control system design, from the shield ( including electric field shield, magnetic screen and electromagnetic field shield ) designs mentions, added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify, might avoid the numerical control system which disturbed creates " softly " the breakdown

    摘要介紹數控系統中的抗干擾技術，對屏蔽（包括電場屏蔽，磁場屏蔽和電磁場屏蔽，正確的布線方式）和感性負載加吸收電路來抑制瞬態噪聲做了詳細說明，可避免干擾造成的數控系統的「軟」故障。
  15. The typical performance characteristics include : load transient response, efficiency, output voltage ripple, output voltage vs. load current, switching waveform, and soft - start time. the simulation results indicate that the ic has achieved the expectation, both function target and electrical characteristics. although there are unavoidable disadvantages of the project, it is a worthwhile and valuable experience

    在完成系統原理分析、總體架構設計及子電路設計的基礎之上，還應用hspice對各個子電路和整體電路進行了模擬驗證，其中，整體模擬指標包括:軟啟動時間、瞬態響應時間、轉換效率、輸出電壓與負載的關系、輸出電壓紋波、開關波形。
  16. Chengdu telecom, the most important telecommunication hub in the southwestern china, has encountered many problems such as redundant personnel, shortage of new business that can grow very fast, low productivity, and rigid operation mechanism that cannot respond to the ever - changing competition, due to the fierce competition, delayed reform and restructuring, and poor administration and management systems

    這些問題的解答已是迫在眉睫。作為西南地區重要通信樞紐? ?成都電信，面對紛繁復雜的激烈競爭態勢，由於改革和重組到位晚、機制和管理體制相對滯后，面臨著人員多、負擔重、業務增長點缺乏、勞動生產率低、經營機制不夠靈活，難以適應瞬息萬變的市場競爭形勢等諸多難題。
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