次級電流 的英文怎麼說

中文拼音 [cìjídiànliú]
次級電流 英文
current, secondary
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 次級 : secondary
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. This testing system is designed according to the germany standard, to test many dynamic parameters in the moment of ignition time. such as the primary coil current, secondary coil current, high voltage and time signal

    本文研製的測試系統依照德國標準進行設計，實現對點火瞬間產生的初級與次級線圈電流、電壓及時間等動態參數的測試。
  2. When the secondary circuit is closed, both primary and secondary currents set up a flux in the core.

    當次級電路接通時，初級電流和次級電流都在鐵芯內建立了一個磁通量。
  3. Since the secondary winding is normally operated into a high-impedance circuit, the secondary current is quite small.

    因為次級繞組通常輸入高阻抗的電路，因此次級電流很小。
  4. 2 ) an efficient model based on physical similarity was made to simulate the current transformers " nonlinear magnetizing characteristics and to compensate error from outside. a similar magnetizing current extracting method based on bang - bang control was advanced to maximally extract the similar magnetizing current

    （ 2 ）針對電流系統中大量運行的0 . 5級電流互感器，利用物理相似原理在互感器二次構造相似電流互感器，提出基於bang - bang控制的相似激磁電流提取方法，能夠最大程度的提取相似激磁電流。
  5. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心，作者完成了以下幾項工作： （ 1 ）以實現寬量程電流互感器為目標，提出了基於bang - bang控制的有源補償方法，採用雙級電流互感器，將復雜的狀態控制分量轉化為偏差控制，該方法結構簡單，調試方便，有源補償器輸出電流小，可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時，測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  6. When the secondary circuit is open, the core flux is produced by the primary current only.

    當次級電路開路時，鐵芯磁通量僅僅由初級電流產生。
  7. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  8. Because the cascaded flow - thought delay time. daily power benefit has affected not only by previous day but by next day, daily power benefit is composed of " plant day " part and " effect day " part. based on the theory analysis, author developed a program what can well describes the cascaded reservoir short - term optimistic dispatch system model

    由於梯級水流滯時的存在，日發電效益既受前日影響，也影響次日，為考慮水流滯后帶來的影響，將日發電效益視為兩部分組成： 「計劃日」部分和「影響日」部分。
  9. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  10. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術，能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值，次級電壓、電流的真有效值（交流）或平均值（直流） ，次級電壓紋波的真有效值。
  11. With the compensator, the accuracy of an 2 grade current transformers can be improved to less than the 0. 2 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    在實驗中將準確度為2級的電流互感器經過補償以後一次電流從額定值的5變化到120時，電流互感器的測量誤差不超過一次電流額定值100時準確度為0 . 2級的測量標準。
  12. As the rotor of the linear synchronous motor, the suspending electromagnetic irons are excited by rotor current and act with the long stator railway mutually. they have multiform functions such as suspending, advancing and generating electricity

    懸浮電磁鐵作為直線同步電機的次級，在繞組電流的激勵下，與長定子軌道相互作用，同時具備懸浮、推進、發電等多項功能。
  13. In this paper, the circuit configuration is ascertained on the basis of analyzing other circuit configuration of welding machine power supply, which links with the characteristics of endless - rolling

    本課題在分析了各種次級整流焊機電源電路結構的基礎上，並結合無頭軋制的特點，確定了適合無頭軋制焊機電源的電路結構。
  14. The capacitors as compared to secondary battery have prominent advantages, especially electrical double - layer ( super ) capacitors with high power and large currents are presently needed

    摘要電容器與二次電池相比，有著顯著的優點，尤其是高功率並能提供大電流的電雙層（超級）電容器正是時代所需。
  15. In this thesis, analysed and designed the architecture of the new type cmos rail - to - rail operational amplifiers in detail, and successfully designed one of two stage compact cmos rail - to - rail amplifier and the cmos bandgap reference current source

    本次論文詳盡地分析和研究了新型cmosrail - to - rail運算放大器的結構，完成了兩級壓縮式cmosrail - to - rail運算放大器和cmos帶隙參考電流源電路的設計。
  16. Computation method based on fast fourier transformation ( fft ) is studied deeply, whose measurement accuracy is 0. 2s. the computing indexes involve voltage, current, power, frequency, phase, electric power, the harmonic ratio and the total harmonic distortion ( thd ) of phase voltage and phase current

    深入研究了測量精度為0 . 2s級的基於快速傅立葉變換（ fft ）的電壓、電流、功率、頻率、相位、電能等電力參數和各相電壓電流各次諧波含量、諧波含有率、諧波總畸變率的計算方法。
  17. In additon this paper studied the preparation techniques and obtained small capacitor with the specific capacitance of 54 f / g when the charge - discharge current was 2. 5ma / cm2, whose cyclic life was over 1000 cycles. successfully we made kilofarads capacitor

    本文進一步研究了碳電極的製作工藝，得到的小型碳基電容器在2 . 5ma cm ~ 2的充放電電流下測得的比容量可達54 . 01f g ，循環壽命千次以上，並成功的制備了千法拉級的電容器。
  18. Low power design of the hardware is divided into two levels : device level and system level. in device level, low power design mainly focuses on decreasing load capacity and leaking current

    硬體低功耗設計有兩個層次:器件級的低層次設計主要關注減少負載電容和漏電流;系統級的高層次設計主要關注減少無用的邏輯和無用的電路活動。
  19. The choices of parameters of transformer, secondary output voltage, maximum output current, capability, voltage regulating progression and step voltage are the crucial factors, which determines the degree of lw graphitization process

    內串石墨化工藝的關鍵設備是變壓器，變壓器的參數：二次輸出電壓、最大輸出電流、容量、調壓級數、級差電壓選擇的合理與否，決定了內串石墨化工藝水平的高與低。
  20. In laboratory, this system has fulfilled the measurement of simulant large current and high voltage, with the precision better than 1 % to the fundamental wave

    在實驗室中成功測量了模擬大電流與高電壓，基波測量精度優於一級，對其它各次諧波的測量精度滿足國家標準要求。
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