未調電壓 的英文怎麼說
中文拼音 [wèidiàodiànyā]
未調電壓
英文
unregulated voltage- 未 : Ⅰ副詞1 (沒) did not; have not 2 (不) not Ⅱ名詞1 (地支的第八位) the eighth of the twelve ear...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 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...
- 壓 : 壓構詞成分。
- 電壓 : voltage; electric tension; electric voltage
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Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country
現在,液晶作為一種新型功能材料越來越得到廣泛的應用,在電子顯示裝置中,液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展,液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外,應用於光通信和光信息處理中的電調諧液晶濾光片,採用液晶材料的雙折射和電光效應與傳統f - p腔相結合,表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點,而日益受到各國研究部門的關注。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。Voltage dip voltage dip is the dip in voltage that results when a load is added, occurring before the regulator can correct it, or resulting from the functioning of the voltage regulator to unload an overloaded engine - generator
電壓暫降電壓暫降是在負荷增加而調整器還未能進行校正時、或電壓調整器正在為過載的發動機卸載時出現的電壓下降。This paper presents a method of test, estimation and predication of some state parameters of the power unit in power and electric equipment, these parameters can be temperature, voltage, current and so on ; when attaining the values of these parameters at the next state, whether the power unit will go into the malfunction or not can be knew, according to the result, some measures can be made ; by controlling the values of correlative parameters, the unit could be maintained in its optimal running status ; so the damage to the power unit can be prevented, the running quality of the driving system can be guarantied, and the optimized control level of the system can be improved
本論文提出了一種利用預測估計的方法,對電力電子設備中的功率器件的某些主要狀態參量(如:溫度、電壓和電流)進行測試、估計並預測,從而得出未來的運行狀態;然後據此判斷該功率器件是否已進入故障范圍,以便提前採取措施,通過對相關參數的調整來保證功率器件始終工作在最佳狀態;這樣,既避免了功率器件損壞的發生,又避免了驅動系統故障狀態的出現,明顯地提高了系統優化控制的水平。The paper has five sections include the basic knowledge and the experiment research, systematically analyses the impact of the liquid crystal box ' s position angle on the measuring result of liquid crystal lyot filter and the practical significance of this work. the work of this paper maily includes five sections : ( 1 ) the related theory of the crystal birefringence is systemicly introduced in this paper ; ( 2 ) the theory of the lc voltage - dependent birefringence is introduced ; ( 3 ) no voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 4 ) voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 5 ) desired wavelength is extract from changing the direction of liquid box. originality innovation of this paper is that the theory of the lc voltage - dependent birefringence is systemically introduced in this paper especially those related to voltage and direction
本文主要完成以下幾方面工作: ( 1 )比較系統地整理了晶體雙折射的有關理論; ( 2 )簡單介紹了液晶的電控雙折射特性; o )在未加電壓情況下,研究液晶盒方位角對濾光片透過率曲線的影響;廠)在加交流電壓的情況下,研究液晶盒方位角對濾光片透過率曲線的影響; ( 5 )利用方位角的調整來提取特定波長的譜線;本論文的創新之處在於比較系統地整理了晶體雙折射的有關理論,特別是與電壓及方向有關的理論,實驗得出了濾光片透過率隨液晶盒方位角變化的關系曲線,並將之運用於v吸器波長的話線朋On the basis of the test about air conditioner, its load characteristics are analyzed, including the static characteristics, drop out characteristics, starting characteristics and its responses to voltage dips. it shows that the current impact can reach five to eight multiples when the air conditioner started and come back within 0. 3 to 0. 5 second. 0. 6 pu voltage is the critical voltage whether the air conditioner will stall
分析發現,空調啟動時電流沖擊倍數可達5 8倍,在0 . 3 0 . 5秒之內平息; 0 . 6u _ n為空調停機的臨界電壓,因此空調的電壓擾動特性可以分為兩種情況:一為較小擾動情況下空調尚未停機時的動態;另一為大擾動導致空調停機時的動態。分享友人