大电流

dà diàn liú
  • large current;heavy current
大电流大电流
大电流[dà diàn liú]
  1. 裂解炉非连续大电流的功率测量

    Power Measurement of Discontinuous Heavy Current in Cracking Furnace

  2. 提出了一种基于DSP的免损大电流开关电源拓扑结构。

    Proposes a topological structure of loss-free heavy current switching power supply based on DSP .

  3. 一种高压大电流快速CMOS驱动器

    A High Voltage / Large-Current , Fast CMOS Driver

  4. 大电流长脉宽LD激光器驱动电源的研制

    Design of diode laser driver with strong current and long pulse width

  5. SF6气体中大电流过零后弧道的介电恢复特性

    Dielectric Strength Recovery Characteristics Post-zero of High Current in SF_6

  6. 论文通过对全波整流输出电路与其他副边整流电路的比较,得出采用全波整流电路特别适合隔离型低压、大电流输出的DC/DC变换器的结论。

    Compared to the other second-side rectifier , it is concluded that the full-wave Rectifier is well adapted to the Low-voltage High-current DC-DC converter .

  7. 超高速半导体开关RSD的开通机理与大电流特性研究

    Study on Turn-on Mechanism and High-Current Characteristics of High-Speed Semiconductor Switch RSD

  8. 一种新的低压大电流DC-DC变换器的研究

    Research of a Novel Low-Voltage and High-Current DC-DC Convertor

  9. 电流密度增加,充电效率几乎没有变化,说明α-Ni(OH)2电极的大电流性能很好。

    And it changes slightly with the increase of current density , which shows that high current density property of α Ni ( OH ) 2 is good .

  10. 磁控大电流MAG焊的磁头优化及应用研究

    Optimization and application of magnetically controlled MAG welding process

  11. 适用于大电流的SiGe基区HBT的电流和频率特性的解析模型

    Modeling of SiGe-Base HBT at High Current Densities and Its Effects on High Frequency Performance

  12. 室温脉冲螺旋Wiggler磁体和大电流脉冲电源的研究

    The Research on Room Temperature Solenoid Wiggler and Large Pulsed Current Source

  13. 本文针对基极电阻随电流变化的实验事实,根据基区电导调制效应,提出了工作在大电流密度水平时,基极电阻RB(IB)的理论模型;

    A theoretical model is presented to determine the current dependence of base resistance RB ( IB ) of bipolar transistor at high current , based on the effect of base conductivity modulation .

  14. 使用具有大电流放电性能的MOS器件构成的ESD电路,以及采用周密的版图布局布线技术,可实现良好的ESD保护性能。

    Combined with careful routing and placement in the layout design , good ESD protection capability can be realized .

  15. 通过实验,筛选出具有杂环结构的表面活性物质B和无机氧化物A联合使用,可以提高铅酸蓄电池大电流放电时的正极容量8%~15%,而且寿命还可以延长7%。

    The joint utilization of inorganic compound A and surface activation agent B can improve the positive electrode capacity of heavy current discharge and the cycle life by 8 % ~ 15 % and 7 % respectively .

  16. 同时还对大电流下I-V特性偏离幂函数关系的行为进行了讨论。

    A deviation of I-V curves from the power law behavior in higher currents is presented and discussed .

  17. 以LED作光源、PIN作接收、火石玻璃为磁感应材料、多模光纤作导光波导的混合型大电流光纤传感器,用于监视高压电网系统中的电流。

    The hybrid large current fiber sensor consists of a LED as light sourse , PIN as light receiver , flint glass as magnetic inductor and multimode fiber as light conductor .

  18. 低压大电流VDMOS器件栅电荷测量

    Gate Charge Test for Low Voltage High Current Power VDMOS

  19. 伴随PTC元件的大电流与小型化,对低阻PTC陶瓷材料的需求甚为迫切。

    With development of PTC thermistors having large current rating and their miniaturization PTC Ceramic materials with low resistivity are in urgent need .

  20. 隔离型半桥低压大电流VRM标准拓扑研究

    Research on Isolated Half Bridge VRM Topology with Low Voltage High Current Output

  21. 使用透射电镜、能谱、电子衍射等微观分析手段,对脉冲大电流冲击后的ZnO非线性电阻I-V特性蜕变现象进行了研究。

    The high-energy impulse degradation of ZnO nonlinear resistors is studied by transmission electronic microscopy in conjunction with X-ray diffractometry and energy dispersive X-ray analysis .

  22. 采用功率MOSFET取代普通二极管或肖特基二极管的同步整流技术,可以使低压大电流变换器的效率得到极大的提高。

    Applying the synchronous rectifier technology in which MOSFET replaces common diodes or schottky diodes can increase the efficiency of low-voltage , great-current transformer .

  23. 现代科技的发展要求蓄电池具有快速充放能力,镍电极活性材料Ni(OH)2的表面改性可以有效改善MHNi电池的大电流充放电性能。

    The large current charge / discharge property of Ni MH battery can be improved by the surface modification of active material Ni ( OH ) 2 for nickel electrode effectively .

  24. 100A直流大电流标准及检定系统

    100 A DC high current standard and verification system

  25. 探讨大电流MAG焊焊缝金属的冲击韧性.对在4种不同工艺条件下运用大电流MAG焊得到的焊缝金属进行低温冲击试验。

    Impact tests of four kinds of weld metals with high current MAG welding were carried out at low temperature .

  26. AC,DC以及AC/DC大电流比较仪都具有高精度,线性特性好,低漂移等特点。

    All kinds of comparators including ac 、 dc and ac / dc comparators possess the notable performance of high accuracy , low drift , high linearity , and good immunity to extend magnetic fields .

  27. OPGW断股机理是:大电流闪击电弧造成>1k°C的局部熔融区,紧跟持续电流扩展熔融区造成高温熔断,多次雷电冲击可造成多处熔伤和溅伤累积。

    The mechanism of breaking is that firstly arc formed by instant high current causes partial melting zone , and at last the following several lightning impulses cause more melting .

  28. 典型的BoostZVT-PWM电路的主开关管实现了软通断,但辅助管仍然是在大电流下关断。

    In a typical Boost ZVT-PWM circuit , the main switch achieves soft switching with the auxiliary switch turned off under output circuits .

  29. 半烧结KR-SC镉镍蓄电池大电流(10C)放电性能研究

    Improvement on high rate ( 10C ) discharge performance for KR SC Ni Cd battery

  30. 电化学测试表明,增加适当Mg含量和进行退火热处理能明显提高和改善合金电极容量、循环稳定性和大电流放电性能。

    The electrochemical analyses show that the electrochemical properties of the alloy , such as activation , capacity , cycling stability and discharge ability at different current density , are well improved by supplementing proper Mg and annealing heat treatment .