無穩態電路 的英文怎麼說

中文拼音 [wěntàidiàn]
無穩態電路 英文
astable circuit
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. As novel concept actuators, ultrasonic motors have been attracting intensive attention at home and abroad with their outstanding features such as low speed and high torque, large holding torque, rapid response, light weight and compact sizes, simple structure, and no magnetic disturbance, etc, and which have been applied to many fields

    超聲波機作為一種全新的驅動器,以低速大轉矩、大靜保持力矩、響應速度快、體積重量小、結構簡單以及磁場干擾等優點受到國內外的廣泛關注,並在眾多領域得到了應用。其中駐波超聲波機具有驅動和控制簡單,轉速平,波動較小等突出優點。
  2. 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

    高壓斷器所造成的事故論是在次數,還是在事故所造成的停時間上都占據總量60以上。因此,及時了解斷器的工作狀對提高供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。本文論述了斷器機械特性參數監測方法;提出了二次迴保護器的概念,並將跳、合閘線圈完整性監視和二次迴保護結合起來,給出具有完整性監視功能的二次迴保護器實現方案;根據斷器生產廠家提供的斷器額定短流分斷次數,計算每次分閘對應的觸頭壽命損耗,預測觸頭壽命;提出根據斷器殼體溫度和斷器周圍空氣溫度結合斷器熱阻來計算斷器主觸頭溫升的方法,並根據此時的負荷流間接計算主觸頭迴阻;在硬體設計上,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,解決了不同工作壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  3. The forerunner of teco sa was taian electric, which was founded in march 1969 and merged with teco in oct 2003. ever since its establishment, sa never stops making contribution towards the industrial automation technology. sas products include ac dc motor controls, molded - case circuit breakers, high low voltage electric material, engines, generators, switchgears, ac dc frequency inverters, programmable logic controllers and servo controllers

    控事業部的前身為臺安機,自1969年3月創立至2003年10月與東元合併迄今,一直秉持著健踏實的度,以磁開關熔線斷器高中低壓配器材引擎發機組配盤變頻器可程式控制器及伺服控制器等產品,為工業發展奉獻心力,滿足最基礎的用安全,並提供整體性的自動化服務,符合節約能源的世界性潮流。
  4. 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、有功和功,減少了運算量提高了精度;在分析了各種功補償控制策略的基礎上,以母線壓和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零觸發,避免了容器投切時的流沖擊;運行時接觸器替代晶閘管,實現功補償的自動跟蹤和容器的自動投切,解決了投切時的暫流沖擊和時可靠運行的難題;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,大大提高了系統的可靠性。
  5. In this paper, the steady state characteristic of brushless dc motor is simulated and analyzed by using pspice ; the torque - current characteristic is studied and baased on the analysis, a current - measure circuit for torque control is designed

    利用pspice模擬分析方波刷直流動機的運行特性,研究了機的力矩流特性,並在此基礎上設計了適用於力矩控制的流采樣
  6. Equivalent circuit and stead - state behavior of doubly fed brushless reluctance machine

    刷雙饋磁阻機的等效特性分析
  7. One is constant impedance modeling, the other is complicated load modeling. based on the time domain simulation, the sensitivity of stability margin with respect to node active and reactive power for the system with complicated load modeling is derived

    結合時域模擬,本文提出了具有綜合負荷模擬的暫過程中發機加速面積、減速面積、減速功率(定裕度)對網節點有功、功及變壓器變比的靈敏度分析方法。
  8. Serial - parallel combined two - transistor forward converter is presented for high input voltage and high power application, and the operation principle of the topology is analyzed in this paper. all switches are turned off with zero voltage switching, and the two switches of them are turned on with zero current and zero voltage switching. the difference of input capacitances, conducting voltage drop of switches, duty cycle and windings of the transformer of the combined converter influences the voltage balance of the input capacitors

    本文介紹了雙管正激變換器的兩種定工作狀,詳細分析了帶lcd損箝位網的並?並組合式雙管正激變換器的工作原理,該組合式變換器中的開關管實現了零壓關斷,並介紹了該拓撲的特點和lcd網參數設計,採用pspice軟體進行了模擬和分析,最後,研製出一臺2 . 3kw樣機。
  9. Owing to the delay in change of regulation of executing agency with respect to changes in realistic state, arc furnace is predicted the state in the next time, with nn predicting model, so that the current wins comparative stabilization and impact of trashy power is reduced

    本文首先針對爐的執行機構的調節總是滯後於弧爐實際狀的變化,加上弧爐神經網預估模型,通過它預估出弧爐下一時刻的狀,使流能達到一種相對的極,減少功功率沖擊。
  10. The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis

    此外,本文還首次詳盡地分析了級聯式刷雙饋機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型,等效及作變速恆頻風力發機運行時的定子功率繞組磁鏈定向矢量控制策略,通過模擬分析驗證了模型和策略的正確性。
  11. The paper describes a cw, non - cooling, digital all - solid - stated ld pumped nd : yvo4 driver which adopts microprocessor control, stability power of laser feedback and laser output power about 10mw. the system is composed of constant current source, soft diagram, protection, pulse schematic and laser power feedback loop. by combining appropriate hardware and software, we achieved, in our driver, a variety of protection features including the ability to suppress transients and reduce noise, relay soft and hardware over - current protection and overvoltage shut - off, we have obtained a continuously adjustable laser power output with high accuracy and stability

    介紹一種採用單片機控制的連續運轉製冷、數字式光反饋功率全固激光器驅動源,其輸出激光功率在10mw左右,系統包括恆流源、保護、脈沖驅動控制、光反饋功率控制等部分,結合硬體及軟體實現了激光二極體的可靠保護以及光功率定、準確輸出及在光輸出情況下,實現激光器的內外調制,並取得了一些有價值的研究成果。
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