light load 中文意思是什麼
light load
解釋
輕負荷-
Ships ' light load derrick gooseneck brackets
船用小負荷起重吊桿轉樞拖架 -
However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution
採用相應調制方式的ic品種繁多，各有千秋。但pwm在輕載時效率較低，而pfm由於頻譜分佈隨機，不利於后續濾波器的設計。 -
Ships ' light load derrick topping brackets
船用小負荷起重吊桿上托架 -
The controller can output four teams of relay contact signal overload, full - load, half - load and light - load
控制儀可輸出4組8路繼電器觸點信號 -
Controller can output four teams of light - load, half - load, and full - load and overload relay contact signal, and 010ma, 1010v or 010v analog signal
可輸出輕載半載滿載超載四組繼電器觸點信號和010ma 1010v或010v的模擬信號。 -
In order to implement an energy - saving method which keeps iron loss equal to copper loss using variable - voltage in light load, induction motor parameter identification at any moment is a key problem
對于輕載調壓使銅損等於鐵損的這一節能方法而言，在線辨識出電機的參數是一個關鍵點。 -
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。 -
In this paper, m / m / 1 model in queuing theory is applied to ethernet modeling with light load
本論文運用排隊論中的m m l模型對輕負荷的以太網進行建模。 -
When tuyere of double disk is jammed, the current of fan will fall to light load current value ; therefore, checking current of fan will find this phenomenon and the system will deal with this condition according to pre - designed program
，當雙盤內風口堵塞后，鼓風機電流將降低到空載電流值，故檢測鼓風機電流會及時發現這種堵塞現象，系統會根據預設的程序進行處理。 -
The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。 -
Ships ' light load derrick booms
船舶用輕載起重機吊桿 -
Design of soft - start control system for pumps and analysis of energy - saving by voltage regulating in light load
水泵群軟啟動控制系統設計及輕載調壓節能分析 -
However, psm also have some disadvantages, for example, the output voltage ripple is large at light load and the system maybe produce radio frequency noise
但psm也具有不可避免的缺點:輕載時輸出電壓紋波較大，且易引入音頻噪聲。 -
The on - resistance of the synchronous rectifier is as low as 0. 4 ?. it has a very high efficiency even in the light load thanks to its low quiescent supply current
整個晶元具有極低的靜態電流，使得此晶元即使在輕載的時候也有很高的效率。 -
Through the loss model of lim, best efficiency control scheme is proposed based on the vector control, by which low efficiency of lim under light load or low speed is improved. the control scheme is proved effective through simulation under a specified speed - location curve
通過建立電機損耗模型，在矢量控制的基礎上設計了最優效率控制策略，解決了輕載或低速運行時的效率低下問題，通過指定速度位置曲線下的模擬分析驗證了控制策略的有效性。 -
Conclusions are drawn as follows : ( 1 ) regulating the electromotor speed by adjusting the input voltage is easy to carry out, and it can be used in most of the oil fields ; ( 2 ) good energy - saving effect can be achieved under the condition of light load on the motor ; ( 3 ) the voltage cannot be regulated in a large range, and the optimal range of the voltage regulation is less than 10 % of the rated voltage
由此得出結論： （ 1 ）調電動機端電壓調速方法簡單，一次性投資少，易於實現，對於一般的油田都適用； （ 2 ）調壓調速只有在輕負荷時，即在負荷遠未達到滿負荷時才有一定的節能效果，適用於油田普遍存在的「大馬拉小車」的情況； （ 3 ）電動機調壓調速的范圍不能太大，電壓調整的最佳范圍為額定電壓的10 %以內。 -
And it can be controlled running at a rating slip, when its efficiency is the highest. then, simulation model of lim vector control system is constructed, which is proved accurate by simulation results under different speed and different load. and it is concluded that lim efficiency is lower under light load or low speed
其次，建立了考慮邊端效應的直線感應電機矢量控制系統的模擬模型，不同速度和負載下模擬結果驗證了模型的有效性，得到了電機在輕載或低速運行時效率較低的結論。 -
Green - mode which provides off - time modulation to linearly decrease the working frequency under light - load conditions and power limiting which will turn off the transistor when peak current of inductor reaches the threshold current
同時該電路集成了能在輕負載情況下自動降低頻率的綠色模式以及能在電感峰值電流過高時關斷調整管的功率限制模塊，降低了系統的功耗。 -
Generator s operation with leading power factor, as a means of voltage control, has been adopted widely as required in case of light load and high voltage
作為一種調節系統電壓的手段，發電機進相運行已在電網小方式電壓偏高情況下按系統需要普遍採用。 -
The weight loss of the composites is larger under the synergism of the parameters than the simply superimpose of weight loss under the single parameter. micro - cutting is the mainly abrasion mechanism under low sliding speed and light - load
利用磨損圖綜合分析了復合材料的摩擦磨損性能與各因素間的關系： （ 1 ）各因素協同作用時復合材料的磨損失重要大於各因素單獨作用時磨損失重量的簡單疊加。
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