voltage component 中文意思是什麼
voltage component
解釋
電壓分量-
The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage
系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。 -
To solve the problems above, this dissertation supported by the project of national natural science foundation ( nnsf ) : research on piezoceramic micro - actuator ’ s polarity modeling and controlling method ( code : 60274053 ) focuses on the research of driving and control technique of piezoceramic. the drivers based on voltage, current control had been designed with the high voltage amplifier as core component
針對壓電陶瓷驅動存在的上述問題，本文結合國家自然基金項目「壓電陶瓷微驅動器件極化模型與驅動方法的研究」 （編號: 60274053 ） ，以高壓運算放大器為核心元件，通過分析電壓、電流型驅動器原理及電路參數，提出了一種彌補其不足的復合型驅動方法。 -
To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed
針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題，通過分析單相接地故障后機端和中性點零序電壓的變化特點，提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案，並實現定子繞組的100 %保護。 -
Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。 -
Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。 -
Power mosfet is a voltage - controlled appliance which has a fast switch speed, small driven current and higher threshold voltage. so it is the ideal power interface component of micro - computer
功率mosfet是一種電壓控制型器件，開關速度快，驅動電流小，開啟電壓較高，是微機的理想介面部件。 -
Sbve is a leading manufacturer of vacuum interrupters, the main technological component of medium voltage vacuum circuit breakers
Sbve是一家領先的中壓真空電路斷路器中的主要技術部件的真空斷續器製造商。 -
For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described
在總線電纜的安裝方面，著重討論了電纜的選型原則、安裝方法和抗噪防擾措施；在安全保護設備安裝方面，介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式（實體概念和fisco模型）下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法；在網路元件的安裝方面，主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法，為總線系統的安裝提供了可以借鑒的實用經驗。 -
According to more effect, when the hore component is placed in a gradient field, at the same time the direction of the current is perpendicular to the direction of the voltage, then between the two parallel side face come out the hore voltage. when hore component is set in this kind of uni - gradient magnetic field and the electric current is unchanged, the voltage output of hore component will be proportional to the position of the hore component in the magnetic field. so we can use the hore component to measure the movement of hore component against magnetic field
根據霍爾效應可知，置於磁場中的霍爾元件若電流方向與磁場方向垂直，則在霍爾元件垂直於磁場和電流方向的兩個側面將產生電勢，將霍爾元件置於強度隨空間位置線性變化的磁場中，且控制電流恆定，輸出就正比于霍爾元件處于磁場中的位置，因此可以用霍爾元件來測量磁場與霍爾元件間的相對位移量。 -
Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator
實際的計算表明：輸電線路發生故障后，用故障前後的數據同時充滿保護演算法的數據窗，對于快速切除近區故障具有很重要的意義；同時利用故障前後的數據，下述方法可以比較好地實現距離保護的反時限特性：直接用全周傅里葉演算法進行阻抗計算；採用工頻變化量阻抗繼電器進行工作電壓的計算；採用轉矩的思想進行轉矩的計算。 -
Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented
模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。 -
Hv - tsc is an important and typical component of svc. its application in power systems provides an effective means for the safety and economic operation of the system. hv - tsc can also provide a good solution to voltage and power quality problems
高壓tsc裝置是指額定工作電壓為6kv 35kv可控硅投切電容器補償裝置，其是一種典型靜止無功補償器，其對增強系統穩定性、提高系統運行經濟性，保證電壓質量及改善電能質量都能發揮良好的作用。 -
Capacitors dispatch of distribution system is an efficient method to network loss reduction and voltage improvement in the distribution system operation. it is an important component of distribution automation system ( das ). the thesis mainly discusses reactive optimal control of distribution system
首先，研究了配電網無功優化控制的基本理論，討論了配電網無功優化控制對電壓和有功損耗的影響，提出配電饋線電容器優化控制對進一步降低配電網的有功損耗效果顯著。 -
Multi - component platinum alloys have been proved the best anode material for lowering the anode over - voltage and tolerating co poisoning
迄今為止，採用多組分鉑合金催化材料被認為是降低h _ 2或ch _ 3oh氧化過電位、提高催化劑抗co中毒的最有效手段。 -
The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
利用掠入射x射線分析（ gixa ）技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射（ saxs ）技術測量了薄膜的厚度;採用原子力顯微鏡（ afm ）觀察了薄膜的表面形貌;運用能量損失譜（ eds ）及x射線熒光光譜（ xrf ）對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。 -
In the eddy - current testing, testing coil is the sensitive component connecting the specimen and the instrument, so it is called transducer. the information of the test specimen is reflected by the variation of the coil impedance ( or induced voltage )
在渦流檢測中，檢測線圈是用來連接測試儀器和被測試件的敏感元件，它是渦流檢測中的傳感器，被檢試件的信息是通過線圈阻抗（或感應電壓）的變化反映出來的。 -
As an essential component of dms, the system will supplement itself in the following aspect, short circuit current calculation, theoretical losing, voltage / reactive power optimize, state estimation, load forecast, etc
本軟體平臺是dms的重要組成部分，下一步將加入短路電流計算、理論線損計算、電壓無功優化、狀態估計、負荷預報等功能。 -
It ' s one of important component of rectifier of electrical locomotive, requires high heat conductivity coefficient, strength and electric breakdown voltage
氮化鋁陶瓷絕緣散熱片是新型「交?直?交」電力機車整流器的重要部件之一。 -
To test passive components, the tester places a test voltage across the component under test and measures the current
在測試無源器件時，測試設備對被測試的器件施加一個測試電壓后，測量電流。 -
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。
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