電容電壓法 的英文怎麼說
中文拼音 [diànróngdiànyāfǎ]
電容電壓法
英文
capacitance-voltage method-
3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits
3000小時,低電壓高電容量法拉級cdf ,廣泛用於精密汽車聲頻系統、工業機器人,電信設備的直流電或脈動電路中。Determination of electric strength at power frequence for capacitor paper
電容器紙工頻擊穿電壓測定法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The device has more advantage than traditional adjustable ac high voltage design. it adopts adjustable method to make adjustable series resonance even easier and the change extend of tested much wider. it is fit to test the majority of electricity system design
該裝置與傳統的調感式交流高電壓裝置相比具有更多優點,採用調頻方法使調節諧振更容易,被試品的變化范圍可以更大,適合大多數電力系統裝置的試驗。This device realizes series resonance between high voltage inductance and tested capacitance. because of series resonance a higher voltage exists on the tested capacitance than the power ' s output. so a new ac high voltage test way to large capacity sample comes true
該裝置以調頻的方式實現高壓電感和被試品電容的串聯諧振,從而在被試品上得到高於電源輸出端的電壓,即實現了以小容量電源對大容量試晶進行交流耐壓試驗的一種新方法。According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred
依據可控硅控制消弧線圈接地系統的快速可控性,一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法,提出正常運行時採用脫諧方法抑制串聯諧振過電壓;故障時立即調節消弧線圈電感量達到與對地電容諧振,以利熄弧的新型調節原理和方法。Overvoltage breakdown of horizontal output valve in color tv set : parallel - connected capacitance method for diagnosis and theoretical analysis thereabout
逆程電容法對彩電行管過壓擊穿診斷及其分析Testing of materials for semiconductor technology ; determination of the dopant concentration profile of single crystalline semiconductor material by means of the capacitancevoltage method and mercury contact
半導體技術材料的試驗.用電容-電壓法和水銀接點確定With the consideration of most of our transformers " taps are changed manually and some fluctuate unnecessarily, this paper presents a supervision system of oltc based on plc control technique. then we combine this system with reactive power compensate device such as shunt capacitor to design a new supervision system of substation voltage and reactive power synthetic control based on plc fieldbus
針對國內變電站電壓調整大多依靠人工調節,且有載調壓變壓器( oltc )分接頭動作頻繁的特點,本文提出了基於plc控制技術的有載調壓監控系統的研製方法,並以此監控系統為基礎,結合併聯補償電容器組等無功補償設備,設計了一種基於plc現場總線的變電站電壓無功監控系統。Based on these, this paper puts forward a new method of measuring residual capacity of the electric vehicles traction battery. namely using ampere - hour, open - voltage and the adaptive neural fuzzy inference system ( an fis ) method, correct the actual capacity to get the exact result
在此基礎上提出了一種新的監測蓄電池剩餘容量的方法,即結合安時法、開路電壓法和自適應模糊推理法,對蓄電池的實際容量進行校正,達到準確預測電池的剩餘容量的目的。Abstract : a new approach, gate - capacitance - shift ( gcs ) approach, is described for compact modeling. this approach is piecewise for various physical effects and comprises the gate - bias - dependent nature of corrections in the nanoscale regime. additionally, an approximate - analytical solution to the quantum mechanical ( qm ) effects in polysilicon ( poly ) - gates is obtained based on the density gradient model. it is then combined with the gcs approach to develop a compact model for these effects. the model results tally well with numerical simulation. both the model results and simulation results indicate that the qm effects in poly - gates of nanoscale mosfets are non - negligible and have an opposite influence on the device characteristics as the poly - depletion ( pd ) effects do
文摘:提出了一種新的建立集約模型的方法,即柵電容修正法.此方法考慮了新型效應對柵電壓的依賴關系,且可以對各種效應相對獨立地建模並分別嵌入模型中.另外,利用該方法和密度梯度模型建立了一個多晶區內量子效應的集約模型.該模型與數值模擬結果吻合.模型結果和模擬結果均表明,多晶區內的量子效應不可忽略,且它對器件特性的影響與多晶耗盡效應相反Proper selection of control algorithms and capacitor voltages helps synthesize controllable and waveforms almost sinusoidal three - phases ac voltage with minimum low - order harmonics at both sides of the converter
選擇適當的控制演算法和電容電壓,能在變換器的兩側合成低次諧波含量小且波形近似於正弦的可控輸入/輸出電壓。Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通過理論計算和模擬分析,比較了並聯型apf的幾種控制策略的優點和缺點,從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法,並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制;比較了並聯型apf主電路的兩種常見形式,從中選擇了三相電壓型變流器的主電路形式;算出適合該apf的直流側電容和出線電感的參數;設計出能有效消除apf產生的高次諧波的高通濾波器。The measuring sensor is divided into the capacitance sensor, the pressure - magnetism and the resistance - strain sensor
傳感器測量法,測力傳感器分為電容式、壓磁式、電阻應變式。Gallium arsenide epitaxial layer - determination of carrier concentration - voltage - capacitance method
砷化鎵外延層載流子濃度電容-電壓測量方法In this thesis, assembler language was applied to program to realize dsp algorithm controller, which can perform such main computing as data collecting, self - adaptable distortion current detecting based on linear nerve cell, capacity voltage controlling in the side of direct current based on fuzzy control, pwm pulse width computing based on unsymmetrical rule sampling, etc. quick control speed ( one work period is 50 s ) and high accurateness feature largely in the controller
本文採用匯編語言編程實現了dsp演算法控制器,它完成了數據採集、基於線性神經元的自適應畸變電流檢測、基於模糊控制的直流側電容電壓控制、基於非對稱規則采樣的pwm脈寬計算等主要演算法的運算。該控制器具有控制速度快(一個工作周期為50 ) ,精度高等特點。Problems of traditional measuring methods are analyzed and a new method based on the theory of voltage - dividing capacitor is brought forward. to extract fundamental wave in signals efficiently, a new calculation method of dielectric loss based on ann is introduced in detail. b / s mode is applied to realize insulation information inquiry system in web style
具體工作如下:設計了一套先進的絕緣在線監測系統框架;分析傳統測量方法的問題,提出了基於電容分壓原理的測量方法;採用計算機串口來進行數據的傳送;為有效提取信號中的基波分量,詳細介紹了一種基於人工神經網路的介損計算方法;採用b / s模式,實現基於web方式的絕緣監測信息查詢系統。A half - bridge bi - directional current mode high frequency inverter was proposed, and the problem of unequal voltage of capacitance in this circuit can be resolved by adding a balance coil
提出了半橋雙向電流源高頻鏈逆變器的拓撲結構,並對電路固有的電容電壓不平衡問題提出了解決方法,採用平衡繞組可以徹底解決電容電壓不平衡。The detecting techniques of harmful currents, the modulation methods of novel upfc and the balancing control of capacitors voltage on dc link are studied thoroughly. in order to be fit for three - phase four - wire system, the method of balancing control using chopper presented in literature [ 29 ] is mended
分析了零序和負序電流對新型upfc直流側電容電壓的不同影響,對文獻[ 29 ]提出的傳統upfc的直流側各電容電壓的均衡控制方法進行了仔細研究,提出了採用b型直流斬波器來控制新型upfc的直流側電容電壓的新方法。In addition, studies on the voltage control loop are also developed. the corresponding mathematical model is set up, and the determination method of the controller parameters is deduced
對電容電壓的控制也進行了深入的研究,建立了控制器的小信號數學模型,並推導出控制器參數的獲取方法。分享友人