穩定短路電流 的英文怎麼說

中文拼音 [wěndìngduǎnlùdiànliú]
穩定短路電流 英文
steady short-circuit current
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 短 : Ⅰ形容詞（空間、時間兩端之間的距離小） short; brief Ⅱ動詞（缺少; 欠） lack; owe Ⅲ名詞1 （缺點） we...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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...
  • 流 : 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...
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  • 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護（裝置） sho...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定
  2. Many measures were adopted to decrease bombard in order to improve the solar cells propertivity, such as decreasing target voltage, increasing target distance, accelerating the movement of the substrate. by optimizing the experimental conditions, short - circuit current was increased by 3. 7ma / cm2, the conversion efficiency was increased by 2 %, the stability was improved

    在硅薄膜電池的zno ： al al背反射電極應用方面，通過減小靶電壓、適當增加靶距和基片的運行速度來減小對電池的轟擊，改善電池性能，通過優化實驗條件，使電池的短路電流提升了3 . 7ma cm ~ 2 ，效率增加了2 ，穩定性得到改善。
  3. Finally, the photovoltaic characteristics of polyaniline are also investigated. the voltage - current curve, the relationship of light intensity and open voltage and short current and stability of polyaniline heterojunction solar cells are tested, the various effect factors on polyaniline heterojunction are discussed as well, and some result that are never reported in published paper have been acquired

    利用聚苯胺和復合材料與n型硅制備出了有機p - n異質結太陽電池，對電池的伏安特性、開路電壓、短路電流和穩定性進行了測試，對電池的機理進行了初步探討，分析了影響聚苯胺p - n異質結電池特性的各種因素。
  4. This method has three merits : first, reduce the harm to the battery ; second, this current is stable ; the last, the current may represent the battery ' s current function better. in order to study this problem, we design a install to make lots of experiments to prove this result. the install can use in the factory as a automation instrument if it be perfected

    此方法和原有方法比較有三大憂點：一是減少了直接短路時大電流放電對電池的損傷：二是此迴路電流值穩定存在，可以對其進行比較準確的測量：三是此電流值更能代表堿錳電池實際工作時的放電性能c為了本研究的順利實施，本課題提出了一個堿錳電池四參數檢測的實驗平臺，做到對電池的開路電壓、負載電壓、電流指標、電池重量四參數的檢測。
  5. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。
  6. Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible

    其次，在電路中短路電流計算的基礎上， （ 1 ）進行母線的短路動穩定校驗計算：採用模擬退火演算法（ sa演算法）計算了矩形母線短路電動力的最大值及其取極值的條件，獲得了更為一般的結果，進而通過短路電動力的頻譜分析，給出了銅質母線的有關短路校驗計算數據； （ 2 ）進行母線的短路熱穩定校驗計算：討論了熱穩定校校的幾種常用計算方法，從導體或電器的發熱機理出發，運用人工神經網路理論對母線的熱穩定問題進行計算，通過算例比較，證明該方法用於熱穩定計算是可行的。
  7. The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced

    第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究，提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略，進一步提高了母線振蕩頻率，減少了直流環節損耗。
  8. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是：在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路；在交流故障被切除后的一個短暫時間內，逆變側採用定交流電壓控制：對不同的直流輸電子系統採取一種漸進的恢復策略。
  9. Along with the expanding power network, the fault current has increased greatly. it will bring hidden troubles to the security, stability, credibility of the power system, conventional current limiters gradually show their limitation and ca n ' t fit the request of high power quality

    隨著電網容量的不斷擴大，短路電流水平不斷提高，給系統的安全、穩定和可靠運行埋下了嚴重隱患，傳統的限流技術己逐漸顯現出局限性而越來越不能適應當今社會對電能質量上的高要求。
  10. The results show that occurrence of the single or double pole block on the dc lines, or short - circuit faults on the dc or ac lines will not influence seriously on power system stability

    模擬結果表明：當南橋、華新換流站發生直流輸電單雙極閉鎖以及交、直流側短路故障時，不會給系統帶來穩定問題。
  11. The paper discusses the way ' s defect and gives a new method for the short circuit ' s measurement. because of the alkali - manganese battery ' s own characteristic, its short circuit is not stable

    由於堿錳電池的固有電化學特性，以及電池生產廠家的工藝與質量問題，使得堿錳電池的短路電流值很不穩定。
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