線間電容 的英文怎麼說
中文拼音 [xiànjiāndiànróng]
線間電容
英文
wire to wire capacitance-
The factor which is most detrimental to the formation of the null voltage is the capacitive coupling between the primary and secondary coils.
對形成零電壓最有害的因素是初線圈和次級線圈之間的電容耦合。Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc
交流無間隙金屬氧化物避雷器,適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。To lower the characteristic capacitance and leakage currents of reed relays ( and, less commonly, electromechanical relays ), an electrostatic shield is sometimes added between the switches and the coil
為降低干簧繼電器(以及並不那麼常見的機電式繼電器)的特徵電容和漏泄電流,有時會在開關和線圈之間增加一層靜電屏蔽。High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關The antenna design is based on using capacitive loads and slits on two crossed narrow patches with via fed - through feed system, which can reduce the size of the antenna, improve the isolation between two ports and keep considerable bandwidth respectively
通過電容性加載減小整個天線的尺寸,通過在天線上開槽來增加天線埠之間的隔離度,採用viafed - through的饋電方式。The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different
其中,並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度,改善hvdc的電氣負阻尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性,此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容,則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩,逆變站附近機組同樣存在發生次同步振蕩的可能性,此時系統的整體阻尼特性由串聯補償電容的性質決定。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。By simulating, this paper compared the effect of capacitor compensation to that of svc compensation, the results showed that capacitor compensation add the voltage flash, and svc was the optimal equipment to restrain the flash. furthermore, the smaller value of ks and tf, the better effect of svc
通過數值模擬曲線分析,對比了電容補償和靜止無功補償器( svc )補償的效果,得到的結論是電容補償有擴大閃變的影響,而靜止無功補償器( svc )是抑制閃變的最佳裝置,並且調差系數ks和時間常數t _ f越小, svc補償效果越好。Road vehicles. electrical disturbance by conduction and coupling. part 3 : vehicles with nominal 12 v or 24 v supply voltage. electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
道路車輛.傳導和耦合引起的電擾.第3部分:公稱電源電壓為12 v或24 v的車輛.通過電容耦合和電感耦合經由非電源線線路的瞬間電傳輸In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,
本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同時診斷速度快,在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。Its accuracy can not be affected by coupled inductance, fault resistance, distributed capacitance and asynchronous angle
該測距方法在原理上不受線間互感、過渡電阻、分佈電容、不同步角的影響。At installation site. 3. the capacitance tolerance in each serial group and segment shold no more than 0. 5 %. the ratio between maximum value and minimum value of capacitance which is measured at any two termin - als of capacitor unit in three phases should no more than 1. 02
3 .電容器內部每個串聯組串聯段間的電容之差不大於0 . 5 % ,三相單元中在任何兩個線路端子之間測得的最大電容與最小電容之比不超過1 . 02 。Besides, according to the finite element method we acquire the relationship capsule is pressure, and the relationship capsule is radius. find the way to reduce linear error and increase capacitance ' s variety
另外,根據有限元方法的計算,得到了石英壓力傳感器的變形量大小以及壓力、變形量大小與懸臂半徑等之間關系,從而找到了減小線性誤差和增大電容變化量的辦法。In addition, based on the analysis of the change of inter - electrode capacitances as changing working condition, a sub - circuit model for a power mosfet is developed and all model parameters can be easily extracted by data sheet. conducted emi includes two modes : differential - mode ( dm ) and common - mode ( cm )
功率mosfet的開關動態特性主要受其極間非線性電容和外部工作條件的影響,在分析了功率mosfet在開關過程中各極間電容變化的基礎上,本文以小信號ldmos為內核,提出了子電路形式的功率mosfet高頻模型,所有的模型參數也都可以利用產品數據曲線獲得。Growing demand for greater wireless data capacity and the crowding of regulated radio - frequency spectra favor systems that offer not only high bit rates but high bit rates concentrated in smaller physical areas, a metric that has come to be called spatial capacity
由於人們不斷要求更大的無線資料容量,再加上受管制的無線電頻譜已趨飽和,受到青睞的系統不僅要能提供高位元速率,而且必須集中在較小實體區域內,這樣的衡量標準稱為空間容量。The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias
通過計算得知,使傳感器相位偏置為/ 2 ,減小電極間距,提高電光重疊因子,減小器件插入損耗,採用合適的分段數,增加電極長度,增大光功率,降低激光的波長,減小相對強度噪聲,減小接收帶寬,對提高靈敏度的效果是非常明顯的。而減小天線長度,降低調制器電容,電極分段,都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率,採用較低的光學偏置,都可以增大線性動態范圍。When httmax > 2100, the graphite crystallites grow rapidly, and the charging - discharging capacities of the samples increase, too. the mechanism of storing lithium - ions convert s to the intercalation of the lithium ions into the layers of graphite crystallites. the charging - discharging curves of the samples look like the letter " u " and have low potential flat plateaus
Htt _ ( max ) 2100時,石墨微晶迅速成長,充、放電容量迅速增大,充、放電曲線為「 u 」字形,充、放電平臺低而平穩,表現出典型的「石墨微晶層間嵌鋰」機制。This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge
本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論,首先對重建區域假定一個介電率分佈,用電容網路作為離散化模型,將每一個源電極和探測電極對組成的測量電路看作一個四端網路,該四端網路的跨導與源電極和探測電極之間的電容值是線性關系,這個電容值和測量得到的電容值之間存在誤差,根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果,證實了該演算法是有效的,收斂的The san jose center currently has only low - speed dial - up modems. therefore, the local fellow initiates decided to have their videoconference gatherings at the home of two disciples houses, who have high - speed cable connections with computers connected to tvs and monitors in every room, as well as enough space to accommodate all the local disciples
聖荷西小中心目前只能以低速的撥接方式上網,於是大家決定將視訊會議的活動地點設在同修家中,那裡有高速寬頻上網的設備,每個房間也都有與電腦連線的電視螢幕,而且有足夠的空間可以容納此地所有的同修。The method measuring the lead - to - lead and loading capacitance of package leads
封裝引線間電容和引線負載電容測試方法分享友人