Enables operation of motor without requiring any conduction of electric current to the inner rotor of the motor. 使得电动机的运转不需要从电动机内部转子中引入电流。
Even more puzzling was the fact that, in the direction which had better conduction, the resistance decreased as the current was increased. 更令人费解的是事实,即在方向有较好的传导,阻力减少,作为当前增加。
The relation between conduction current distribution and distribution of B 、 H and magnetizing current are discussed as well. 探讨了传导电流的分布与磁感应强度B、磁场强度H和磁化电流的分布的关系。
The analysis shows that Schottky emission mechanism and ohmic conduction contribute to the current in the film under the lower forward biases and the lower reverse biases respectively, while the current is induced mainly by Frenkel-Poole emission mechanism and space-charge-limited current under the higher forward biases. 分析表明,在较低的正向偏压和反向偏压下,电流输运机制分别为Schottky发射和欧姆输运电流;而在较高的正向偏压下,Frenkel-Poole发射和空间电荷限制电流两种机制共同作用。
This conditions are similar stabilization and that the capacity range is far smaller than the range of total conduction current distribution. 其条件为似稳和电容区远小于整个传导电流分布区域。
It adopts the techingue of active current wave-shaping to control continuous conduction of input current. Its switching-cycle is constant, and its conduction time is modulated according to the slope of input current. 它采用有源电流波形整形技术,控制输入电流连续导通,其控制开关的周期是固定的,导通时间的大小是根据输入电流的斜率进行调控。
This article discusses in the way of comparison the similarities and differences between displacement current and conduction current from four aspects. 本文以对比的方式从四个方面论述了位移电流、传导电流的异同。
Analysis of Measuring Coils in Magnetic Fields of Vacuum Without Conduction Current 不存在传导电流的真空磁场的测量线圈分析
From the fact that the variable electric field can excite a magnetic field, in this paper, we investigate the essence of displacement current and conduction current as well as the relation between them, which gives a deeper understanding of the electromagnetic field theory. 从变化电场激发磁场这一现象入手,对位移电流和传导电流的实质及其关系加以讨论,进一步加深对电磁场理论的认识。
Temperature behavior of thyristors conduction voltage drop and its influence on the current balance coefficients 晶闸管导通压降的温度特性及其对均流系数的影响
Based on the analysis of temperature behavior of forward conduction voltage drop for a thyristors, the current balance coefficient K imax ( CBC K imax) of a converters are calculated and tested. 在分析晶闸管正向导通压降的温度特性基础上,对不同温度下变流器均流系数Kimax做了分析、计算和试验。
The paper describes a new type temperature test system, which uses the power function model of thermal resistance and the exponential function model of thermal conduction and applies current bridge to sample, so that the system can test temperature rapidly and actually. 本文采用了热电阻的幂函数模型和热传导的指数模型,应用电流电桥电路取样,从而得到一种快速准确的温度检测系统。
People correlate it with chemistry ( especially electrochemistry) more, but the physical problems related to it need further research, Such as the conduction of current carrier 、 embeded physics and transformation. 人们更多地把它与化学(特别是电化学)相联系,而对锂离子电池所涉及的物理问题,诸如载流子传导、嵌入物理和相变等的认识还不够深入或是刚刚起步。
Bionic Optimization of Heat Conduction with Phase Change under Constant Heat Flux Heat flux maintains constant along the low temperature end conduction cooling HTS current leads. 等热流条件下相变导热仿生优化冷端冷却时在整个引线上热流量分布相同,温度在低温端变化较明显,熵产率较大。
Under small storms, the conduction current that flows in the atmosphere produce time variations in the Maxwell current density at the ground even if the cloud current sources is quasi-steady. 在小雷暴条件下,由于空间电荷移动造成的传导电流所占的比例增大,闪电间的地面麦克斯韦电流密度失去准稳态特性。
High-field conduction current characteristics of polyimide film 聚酰亚胺薄膜的高场电导特性
A method is suggested for finding the correct conduction current from the pyroelectric interference signals of a high insulation ferroelectric crystal. 提出了一个可靠的方法排除热释电讯号的干扰,利用同一个样品将高绝缘铁电单晶的表面电阻和体电阻分开来测量。
With studying conduction current of workpiece, the rules between average ratio of conduction current of workpiece and electron beam current are discovered. The peak of average ratio of conduction cur rent corresponds to the transferring point of critical penetration in the dynamic process of electron beam welding. 通过试验研究发现了电子束焊接过程中工件传导电流的传导比均值与输入束流的函数规律,函数的极大值是电子束焊接动态过程工件被穿透的临界状态转变点。
Heat transfer in the conduction cooling HTSC current lead 直接冷却中高温超导电流引线的传热研究
The Displacement Current and Conduction Current 位移电流和传导电流
The article points out that the "I" of the Biot-Savart law includes not only conduction current but also displacement current, and certifies that displacement current's contribution to magnetic field is zero. 指出毕奥&萨伐尔定律中的I不仅只包含传导电流,也应包含位移电流,证明在一定条件下位移电流对磁场的贡献为零。
Off-line Critical Conduction Switching Power Supply With Voltage and Current Limiting 具有电压和电流限制的隔离型电流临界导通开关电源
Heat flux decreases with temperature along the optimized continuous conduction cooling HTS current leads, and the temperature changes evidently in the high temperature part of HTS current leads. 优化后的连续冷却电流引线上热流量随温度的降低而减小,温度在高温段变化较快,熵产率小。
With doping concentration increases, the nature of electron transport is changed from Ohmic conduction to trap charge limited current. 随着掺杂浓度的升高,电子的传输机理由欧姆传导转变为陷阱电荷限制电流。
It was found that the light can significantly increase the conduction current of the device. 实验发现,光照能显著增大器件的传导电流。
The magnetic field effects in organic optoelectronic devices including current and light-emitting magnetic effect ( i.e., magnetic conductivity and magnetic-induced light-emitting effect), refers to the phenomenon of conduction current of the device or the luminous intensity changes in the magnetic field. 有机光电器件中的磁场效应包括电流和发光的磁效应(即磁电导和磁致发光效应),是指器件的传导电流或发光强度在磁场作用下发生改变的现象。
However, due to complexity physical processes of hall thruster, the contribution of near wall conduction of electronic to current is still without any definite conclusion. 然而,由于霍尔推力器工作物理过程的复杂性,当前关于电子近壁传导对电子电流的贡献作用的评估依然没有定论。
Theoretical analyses and experiments had been conducted to evaluate the characteristics of energy delivery based on volume conduction, such as, AC current transmission efficiency, implantable battery recharging condition, recharging current transmission efficiency, energy transmission efficiency. 用电路分析方法系统地分析了体导电能量传递电路的特性:交流电流传递效率、植入电池的充电条件、充电电流传递效率、能量传递效率。