variation in load 中文意思是什麼
variation in load
解釋
負荷變化-
Third, according to an example, the influence on soil displacement stress etc under harmonic vibration load induced by infiltration coefficient and loads frequency variation is studied numerically in dissertation. finally, the difference of layered saturated soils consolidation between rectangle and harmonic vibration loads is studied in this dissertation
再次，以數值方法研究了簡諧荷載作用下成層飽和地基二維biot固結的一般規律，同時還研究了固結情況受滲透系數，頻率等參數影響的規律。 -
Stress variation research of external tendons under live load in simple beam bridges
簡支梁橋體外預應力筋受活載作用的應力變化 -
Abstract : the paper points out that the main factor influencing residential load variation are the following household appliance : electric cooker, electric shower bath, air conditioner, etc. in peak - value time from inquiry
文摘:通過對住宅用電進行調查，分析了高峰用電時間內大功率家用電器，如電炊具、電淋浴器、空調機等投入是當前住宅用電負荷變化的主要因素。 -
The whole problem related to the time - variation of the load is completely solved by the proposed method, the core of which lies in the tva model structure
整個過程中，模型結構的改進是其中的關鍵。大區電網負荷建模研究是從模型應用角度研究對不同物理地點的負荷進行建模的問題。 -
First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost
從對系統貢獻角度，採用電壓靈敏度方法（ vs法） 、 pv曲線法、等效無功補償法（ erc ） 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值，電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小，而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。 -
The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter
該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。 -
Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。 -
The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation
結果表明：在多沖載荷作用下，應力波在塗層和基體的冶金接合面發生反射，形成拉伸波造成塗層的縱裂和角裂；在塗層表面由於應力集中，塗層表面發生微觀點蝕和深層剝落；沖擊載荷能量的積累，造成塗層試樣硬度變化和塑性變形。 -
The additional resistance caused by sediment transport of bed - load and suspended load is derived from mean energy equation of sediment - laden flow, and the variation of resistance in sediment - laden flow is discussed
從挾沙水流的平均能量方程出發，得到了推移質附加阻力的計算公式及懸移質附加阻力計算公式，並對挾沙水流的阻力進行了討論。 -
In this dissertation, wind, vehicle and bridge are regarded as an interactional coupling vibration system., in the analysis model of the system, many factors are considered in detail, such as the fluid - solid coupling interaction between wind and bridge, the solid contact coupling interaction between vehicle and bridge, the stochastic wind load of vehicle, the time variation characteristic of the system induced by train movement
本文將風、車、橋三者作為一個交互作用、協調工作的耦合振動系統，較全面地考慮了風橋間的流固耦合作用、車橋間的固體接觸耦合作用、風對車的空間脈動作用及整個系統的時變特性。 -
On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems
在建立了模型的基礎上，本文針對單滑塊控制系統要受到其它滑塊及負載擾動的影響，採用h _控制方法設計的h _控制器與傳統ip位置控制器結合，使得系統具有ip位置控制器和h _控制的雙重優勢，有效地抑制了變化擾動對位置輸出的影響，模擬結果表明該方法大大提高了系統的魯棒性；本文提出的另一種方案是將桿間的耦合作用和負載擾動看作電機參數變化，利用觀測器進行觀測，從而將耦合的機床動力學系統解耦成為6個獨立的電機動力學系統。 -
Secondly, through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system, under the normal usage load, the normal usage limit - state and the failing load, we have validated the space working - feature of the structural model under variable loads, including the rigidity, the crack, failing - state, failing load and the stress variation of the pre - stressed bar, and so on
其次，通過對該體系的結構模型在正常使用荷載、正常使用極限狀態和破壞狀態下的試驗研究，驗證了現澆預應力復合樓蓋體系模型結構在各種荷載作用下的空間工作性能，包括剛度、裂縫、破壞形態、極限承載力及預應力筋的應力變化狀態等。 -
Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique
首先利用了負載試驗的定子電流和輸入功率數據來識別額定工況下的電機參數，然後又使用了堵轉時的定子電流、輸入功率數據來識別電機二次繞組參數隨轉差頻率的變化，並與傳統參數測試方法和直接修正參數法進行了比較。 -
The effects of the error of ct and vt, hysteresis and load variation to short - circuit reactances are discussed also. by using error analysis and simulation analysis, this paper discussed the feasibility in engineering
論文分析了互感器誤差在幾種情況下對短路電抗測量結果的影響；通過變壓器建模，分析了磁滯特性和負載變化量大小對短路電抗測量結果的影響，驗證了該方法在工程應用上的可行性。 -
On the basis of 3d modeling and virtual prototyping technology and energy saving transformation method for parameterized simulation moving beam typed oil suction pump, and using the eccentric gear reducer to replace the ordinary gear reducer to let the driving radius of eccentric gear be kept a variation of similar tendency with the load of crank in order to improve load property of the motor, thus raised the working efficiency of the entire oil suction pump and achieved the effect of energy saving
摘要基於三維建模和虛擬樣機技術，參數化模擬游梁式抽油機節能改造方法，用偏心齒輪減速器代替普通齒輪減速器，使偏心齒輪驅動半徑和曲柄負載保持同趨勢變化，以改善電機負載特性，提高整個抽油機的工作效率，達到了節能的效果。 -
Compared with phase - shift control, pwm plus phase - shift control can reduce the current stresses and rms currents of the converter. the loss of the converter can also decrease. lt is proved the converter can achieve zvs in larger load variation
與常規相移控制方式相比， pwm加相移控制方式能減小變換器的電流應力，減小通態損耗，同時也能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。 -
In the buckling question under nonconservation force, a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal. ) is considered. the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration. the calculated formulas of the flutter load and quasinatural frequency of shells are obtained. the program for calculating the flutter load is developed. the numerical example is given and some useful conclusions are obtained
對非保守力作用下的屈曲問題，具體研究了圓柱殼在比較簡單的情況，即小變形、線彈性、直法線假設下在隨動力作用下的殼屈曲問題，由擬固有頻率變分原理推出了圓柱殼受隨從力作用的變分方程，得到了顫振載荷與殼彎曲的固有頻率的計算公式，編制了相應的計算機程序，並給出了具體算例，得到了一些有益的結論。 -
The difference between the current load ( the actual demand ) and usable capacity from load testing is the real reserve capacity ? the amount of " head room " for growth or the ability to handle variation in demand
在從壓力測試下得到的當前壓力（實際需求）和可用容量不同的地方在於真實的存在的容量-可增長的峰值儲備總計或者處理需求不斷變化的能力。 -
The difference between the current load ( the actual demand ) and usable capacity from load testing is the real reserve capacity ? the amount of & quot; head room & quot; for growth or the ability to handle variation in demand
在從壓力測試下得到的當前壓力（實際需求）和可用容量不同的地方在於真實的存在的容量-可增長的峰值儲備總計或者處理需求不斷變化的能力。 -
This article has discussed the control problem in a distribution substation and on the distribution line respectively. reactive power / voltage control in a substation using general approach usually results in the voltage of the second side being too close to the boundary. it will make the ability of enduring the variation of load in a system decrease a lot and become the threat of the system
本文分別對配電系統中的變電站及配電線路的無功電壓優化控制問題進行了研究，採用常規方法進行變電站電壓無功控制時，往往使二次側電壓過于接近邊界而導致系統承受負荷波動的能力大大下降，成為系統安全運行的隱患。
分享友人