電容性負載 的英文怎麼說
中文拼音 [diànróngxìngfùzǎi]
電容性負載
英文
capacitive loading- 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 電容 : electric capacity; capacitance; capacity
- 負載 : [電學] load
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In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net
系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術,配以大容量濾波器與集成化控制系統構成;它具有如下特點:可靠性好、效率高、優良的動(瞬)態,體積小、重量輕、噪音低、負載適應能力強;適用於對電源要求較高的儀器或設備。The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating
本文闡述了定子雙繞組發電機的基本工作原理,基於matlab軟體建立了定子雙繞組感應電機發電系統的模型,並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等,從而摸清了該系統的特性,尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性,從而為該系統的工程實現奠定了重要的理論基礎。In some military application such as aviation 、 space flight 、 missile 、 radar and so on, the 10kv isolation voltage is needed, on the basis of it, linearity, capacity of driving load capacitance and reliability are presented
同時,在航空航天、導彈、雷達等軍事應用上,對光電耦合器提出了10kv以上的隔離電壓的要求,在此基礎上,對線性度、驅動容性負載的能力以及可靠性都有很高的要求。The key items include the car sinking, constant speed characteristics, inspection function, auto relevelling function and level accuracy, etc. the research contents focus on the following three parts : firstly, research on effects of system parameters on car sinking has been completed. secondly, the constant speed performance with the compensation of internal leakage of pump / motor is improved. lastly, research on improvement of the car level accuracy and contrast to that of traction elevators is presented, and the reasons of low car level accuracy of hydraulic elevators are discussed
重點研究了三方面內容:一是研究了停層沉降特性及影響電梯轎廂停層沉降特性的各種因素;其次是通過負載壓力補償液壓泵馬達內泄漏來改善電梯轎廂速度穩定性;最後是液壓電梯平層精度的理論和實驗研究,並與曳引電梯的理論模型進行了對比,闡述了液壓電梯平層精度低的原因,理論探討了影響液壓電梯平層精度的主要因素。It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others
它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能,使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。Combined with researches on propagation characteristics, the micro - current sensor for on - line pd monitoring is developed and the effects of coil number, stray capacitance and loading resistance on pass - band and sensitivity are also studied
同時,結合傳播特性,研究了局部放電在線監測寬帶微電流傳感器,並就線圈匝數、雜散電容和負載電阻等對傳感器通頻帶、靈敏度等性能參數的影響進行了分析。To explain this, we ' re going to avoid the idea of impedance ( which has resistive, capacitive and inductive components, some of which vary in effect by frequency, thus varying the actual loading ) and use pure resistance to describe the concept
為了便於解釋,我們準備暫時避免使用阻抗這一概念,因為它有電阻性、電容性和電感性成分,而其中一部分會隨著頻率的變化而變化,從而改變了實際的負載。Input capacity of time relay contact : 220v 30a
輸出繼電器觸點容量: 220v 30a阻性負載This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power
該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數,並具有負載性質(感性、容性)判別,正、逆相序判別指示功能;超限報警功能;列印記錄功能和負功檢測及處理功能。This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved
該放大系統用數字化逆變器來實現電力系統正弦電壓信號功率的放大,利用dsp數字處理器高速的處理能力,可以使系統實現高性能的演算法控制,並且能靈活地對系統的誤差進行補償,從而實現逆變系統的高性能和高精度,為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer
我們將討論五種不同的方式:標準變壓器耦合;旁饋耦合;電阻性負載電容性耦合至輸出變壓器;膽恆流源負載電容性耦合至輸出變壓器;以及晶體管恆流源負載電容性耦合至輸出變壓器。In this dissertation, the author builds up mathematical model of electro - hydraulic load simulator system. and it also builds up model of p - q servo - valve and complete system based on bond graph theory, which consider the nonlinear of orifices and real - time changing characteristic of liquid capacity in the cylinder chambers
論文建立了電液負載模擬器的數學模型,同時,基於鍵圖理論考慮閥口流量非線性和液壓缸液容的時變特性,建立p - q伺服閥和全系統的鍵合圖。Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load
其中,移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力,但它具有實現零電壓開關負載范圍小,循環能量大等限制,帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能,來擴大零電壓開關( zvs )的負載范圍,提高輕載時的輸出效率,具有非常重要的研究價值。To avoid the actuator, a capacitor load being charged up by the drift current of the amplifier, a secondary feedback from the output of the amplifier has been used and expected result has been gotten
針對驅動器輸出電流漂移造成的壓電作動器(容性負載)電荷積累,文中引入了抑制驅動器電流漂移的反饋環節,取得了預期的控制效果。On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable
本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律:前述互聯可以安全穩定運行,取得顯著效益,當傳輸功率達到一定量后,主網架增加了送出或吸收互聯交換功率的負載,系統運行狀態向穩定性水平有所下降的方向轉移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發,聯絡線一旦重載斷開,系統高周或低調嚴重。High amplitude trigger pulse meets the power requirements of many thyristors connected in parallels. the voltage peak emerged in switching off inductance circuit is amortized by resistor and capacitor absorbed circuit
選取r = 54 , c = 0 . 22 f的阻容緩沖吸收電路有效降低了快速晶閘管關斷感性負載產生的過電壓。Dynamic power is dominant component of the average power dissipation in cmos circuits. and the value of dynamic power is determined by node capacitance, supply voltage, clock frequency and switching activity of cmos circuits. so most low power designs are achieved by reducing one or more those above parameters
由於cmos電路的功耗與cmos電路的負載電容,電壓,時鐘頻率及開關活動性有關,因此在低功耗cmos觸發器設計過程中,許多低功耗設計技術都可以歸結到通過減小上面的參數來達到低功耗的目的。After the analysis of some structures commonly used in dielectric phase shifter, a new structure named distributed capacitor - loaded phase shifter was carried out. it is comprised of a high - impedance transmission line periodically loaded with bst ( baxsr1 - xtio3 ) thin film capacitors
在對現有的幾種薄膜介質移相器結構進行分析的基礎上,提出了一種新型的分散式電容負載型薄膜介質移相器結構,它由高阻傳輸線和周期性負載的鈦酸鍶鋇薄膜電容構成。We also found that it was the smaller capacitance of the positive electrode that limits the performance of the ac electrode, and the capacitor character reached optimization when the ratio between the mass of positive actived material and that of negative actived material. " 2
但是活性炭電極的正極性能較差是影響電容器性能的重要因素,增大正極活性物質的載量使正負極活性物質質量比約為2 : 1時,電容性能達到最佳。分享友人