電容分量 的英文怎麼說
中文拼音 [diànróngfēnliáng]
電容分量
英文
capacitive component-
Online non - contact laser type thickness measuring systems, online non - contact x - ray type thickness measuring systems, offline desktop contact thickness measuring systems, offline desktop electrical capacity contact thickness measuring systems, infrared type thickness measuring systems, interference spectroscopy type thickness measuring systems
在線非接觸激光厚度測量裝置,在線非接觸x線厚度測量裝置,在線臺式接觸式厚度測量裝置,在線臺式靜電容量式厚度測量裝置,紅外線厚度測量裝置,分光干涉式厚度測量裝置Measurement of quartz crystal unit parameters - phase offset method for measurement of motional capacitance of quartz crystal units
石英晶體元件參數的測定.第2部分:用相位偏離法測量石英晶體單元的動態電容The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified
據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly
但是在母線區外發生短路故障(特別是故障電流含有大量非周期分量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側電流,從而使二次電流發生嚴重畸變,產生很大的差電流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次電流過零時的線性傳變區投入差動保護,避開ct飽和區,能對母線故障做出正確判斷。Harmonized system of quality assessment for electronci components. sectional specification. tantalum chip capacitors
電子元器件質量評估協調體系.分規范.鉭片電容器Harmonized system of quality assessment for electronic components ; sectional specification : tantalum chip capacitors
電子元器件質量評定協調體系.分規范:鉭片電容器And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery
同時本論文還設計了一套功能齊備的蓄電池智能管理系統,針對蓄電池管理中的充電管理和剩餘時間預測進行了改進,提出:在恆流充電時,根據麥斯三大定律,改變恆流充電時的恆流值,使恆流充電「不恆流」 ,而是根據放電的不同情況進行充電,充分提高充電速度,同時又不損傷電池活性物質;不再進行剩餘容量預測,而是進行剩餘時間預測,提供更加切實可行的信息,並且提出了一種簡單易行的剩餘時間預測的方法,給出了預測實驗的結果。The main works are listed as follows : ( 1 ) the small capacitance measuring circuit for ect based on the charge amplification principle was deeply analyzed and improved. the stray - immunity and the charge injection effect of this circuit were deeply analyzed. the influence of the charge injection effect was eliminated by practical time sequences and circuit structure differential
本文的主要工作和創新點如下: ( 1 )對基於電荷放大原理的微弱電容測量電路進行了深入的分析和改進,深入分析了該電路的抗雜散電容性能及電荷注入效應問題,通過時序的合理設計消除了電荷注入效應等因素對測量結果的影響,改進了該電路的數學模型。Abstract : it is shown in this paper that distributions of electric fields in five measuring slots of uster evenness tester, and the errors caused by uneven electric fields were analysed. according to the results of measuring and analysing electric fields, a set of tests were made, and several estimation to the errors were given. at last, notices of operation were given
文摘:實測了烏斯特紗線均勻度試驗儀上5個電容測量槽的電場強度分佈,分析了由測量槽不均勻電場所引入的誤差.系統地測試分析了第5號槽誤差,獲得了幾種誤差的定量估計.最後給出了正確使用儀器,避免測量誤差所應注意的幾點結論Manufactures and supplies components for precise and reliable measurement of pressure, level and vacuum on processes involving corrosive, viscous, clogging fluids
-主要有lcr數字電橋系列電容測量儀,電感測量分選系列漏電流測試儀系列耐壓測試儀。It analyses the light - transmission type system components of voltage transformer, gives the principle and method of designing measuring voltage based on capacitive voltage divider, and elaborates the advantage and function of electronic voltage transformers
分析了傳光型電壓互感器的系統組成,給出了以電容分壓器測量電壓的電子式電壓互感器的原理和設計方法,論述了電子式電壓互感器的優點和性能。The main works are organized as follows : based on the switching function method and time domain simulations, the small disturbance transfer a characteristic through the converter is analyzed. because of the modulation effect of the converter, the small disturbance in the shaft of turbine generator will induce ac voltage component with the same frequency as the disturbance on the dc side. and the resulted ac current on the dc side will have the similar frequency shift when transfers to the stator of the generator
主要內容包括: ( 1 )基於開關函數法和模擬分析,研究了機組轉子上次同步頻率的小擾動,在hvdc交直流兩側響應的頻率特性- - - -轉子上的小擾動經直流換流器調制后,將會在系統直流側感應出與擾動同頻率的電壓分量;直流側電流擾動反映到交流定子側,也將發生頻率偏移。After comparing many methods of capacitor measurement, the method of stray - immune microcapacitor measurement based on charge - discharge method is used, so the theory and advantage of this method are especially analyzed
其中微小電容測量是變送器部分的關鍵技術,在比較了多種電容測量方法后,採用了基於充放電法的抗寄生干擾的微小電容測量方法,因此重點在理論上分析了這種測量方法的原理和優點。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。The factors that affect the frequency response of a capacitive divider were studied carefully. a coaxial voltage capacitive divider with an umbrella probe and a low - voltage circuit was presented. experiments shown that the frequency response of our probe is better than others of such dividers
本文分析了影響電容分壓器響應的因素,探討了傘式探針的性能,設計了以傘式探針為基本結構的同軸電容分壓器,提出了測量不同信號的兩種i 。Measurement of quartz crystal unit parameters by zero phase technique in a pi - network - part 2 : phase offset method for measurement of motional capacitance of quartz crystal units
用型網路的零相位法測量石英晶體器件參數.第2部分:石英晶體器件動態電容測量的相位補償法( 2 ) hardware design of difference frequency capacitance measurement circuit, including the structure of sensor, analysis on several relative measurement circuits, periphery circus design. debugs and practically measures it
( 2 )進行了差頻式電容測量電路的硬體設計,主要包括:傳感器結構設計,各種微小電容檢測電路的對比分析,差頻式檢測電路設計,溫度檢測電路設計以及存儲電路設計。But there are some problems and difficulties in ect designs and ect applications. the topics of this dissertation are small capacitance measurement that is a key part in ect designs and ect applications, high - speed data acquisition system design and ect applications in two - phase flow parameter measurement
本文針對制約電容層析成像技術發展和應用的微弱電容測量和數據採集速度等問題進行了深入研究,研製了一套高速電容層析成像系統並在氣液兩相流流型識別和空隙率測量以及流化床固相含率分佈量化監測上得到成功應用。In this paper, author goes deep into analysing dielectric property of grain in theory, and brings forward a difference frequency capacitance measurement method based on the analyse of several micro - capacitance measurement methods. at the same time, a mathematics model of moisture measurement is given, which depends on data merging surround moisture, difference frequency, temperature and weight by multi - element regression
在本次畢業設計中,作者對此進行了較為深入、系統的研究,從理論上分析了糧食的介電特性,在對比分析了幾種微小電容測量方法的基礎上採用了差頻式電容測量方法,並採用多元回歸分析法對水分、差頻、溫度、重量四種測量數據進行了數據融合,提出了糧食水分測量的數學模型。分享友人