asynchronous variable 中文意思是什麼

asynchronous variable 解釋
異步變量
  • asynchronous : adj. 1. 時間不一致的，不同時的。2. 【電學】異步的。
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。
  2. Empowered by robust technological strength and sound development platform, we produce cdqc ua series, m2ua series and uabp series three - phase universal frequency conversion variable speed motors, ubpt series three - phase main shaft three - phase frequency conversion variable speed motors, ubps series three - phase main shaft long and thin motors, ubpd series special motors for washing machines, ubpg series three - phase main shaft frequency conversion high speed motors, ut series special motors for oil pumps ， sks ac servo motors, fd series special motors for escalators, ta series three - phase permanent - magnet synchronous motors, lk series three - phase asynchronous motors and tp series three - phase permanent - magnet frequency conversion variable speed motors

    德驅馳憑借其雄厚的技術實力和良好的開發平臺，推出了「德驅馳」牌ua系列、 m2ua系列、 uabp系列三相通用變頻調速電機、 ubpt系列三相主軸變頻調速電機、 ubps系列三相主軸低慣量電機、 ubpd系列水洗機專用電機、 ubpg系列三相電主軸變頻高速電機、 ut系列油泵專用電機、 sks交流伺服電機、 fd系列扶梯專用電機、 ta系列三相永磁同步電機、 lk系列三相異步電動機、 tp系列三相永磁變頻調速電機。
  3. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對損耗分析的基礎上，建立了考慮鐵損時異步電機的動態數學模型，推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法，並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。
  4. Abstract : a new kind of variable frequency speed - governing experiment system which has the structure of two parallel inverters at dc bus and output of inverter driving two series asynchronous motors at the same shaft is presented in this paper

    文摘:提出了一種雙逆變器直流母線並聯、變頻輸出驅動同軸串聯的兩臺異步電動機結構的新型變頻調速實驗系統。
  5. Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks

    光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。
  6. Fir st, dependable data are acquired through experiment of three - phase ( variable fre quency variable speed ) asynchronous electrical machine for secific inverter fed

    首先，對特定逆變電源供電的三相（變頻調速）異步電動機進行實驗，取得可靠實驗數據。
  7. Abstract : an idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly

    文摘:本文主要為變頻調速異步電動機的設計提供一條思路。
  8. Yvf2 series frequency - variable and speed - regulative three - phase asynchronous motors are suitable for running in frequency changer and speed regulation system which the power is supplied by a frequency converter. this new series of product designed unitedly in the country can be mated with all kinds of spwm frequency changer and speed regulation devices and is equipped with a separate cooling fan which ensure the motor for good cooling at various rotating speed

    系列變頻調速三相異步電動機是適用於由變頻器供電的變頻調速系統中運行的專用異步電動機，是全國統一設計新的專用系列產品，可與國內、外各種spwm變頻調速裝置配套，裝有獨立的冷卻風機，能保證電機在不同轉速下有良好的冷卻效果。
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