primary current
英 [ˈpraɪməri ˈkʌrənt]
美 [ˈpraɪmeri ˈkɜːrənt]
原电流；一次电流
双语例句
- Rated instrument limit primary current
仪表的额定极限一次电流 - If the primary current of the transformer flows into the dotted end of the primary winding, the sencondary current will flow out of the dotted end of the secondary winding.
如果电流从变压器的原边有标记端流入，则副边的电流从有标记端流出。 - With the primary current increasing, the induced emf will be in the reverse direction to that of the current.
随着初级电流增加，感应电动势会与电流方向相反。 - Rated primary current, accuracy combination, rated output, rated dynamic and thermal current see form.
额定一次电流、准确级组合、额定输出及额定动、热稳定电流见表。 - When the secondary circuit is open, the core flux is produced by the primary current only.
当次级电路开路时，铁芯磁通量仅仅由初级电流产生。 - Rated accuracy limit primary current ( of a protective current transformer)
（保护用电流互感器的）准确度限定的额定一次电流。 - As the primary current reduces to zero, the conduction loss is eliminated during zero state, which increases the efficiency.
由于在零状态中一次电流为零，减小了通态损耗，因此可以提高变换效率。 - By means of choosing suitable working point and adding a compensation coil to weaken the influence of primary current on the induced voltage of the power transformer, a prototype device has been developed.
通过选择合适的工作点、采用增加补偿线圈改善原方激磁电流对电源变压器二次侧感应电压影响的方法，研制出一种适用于传感器高压回路信号处理的电源样机。 - Its shielded box should be used the main air gap and prevent the primary current to produce the magnetic field concentrating in the shield shell metal plate.
其屏蔽盒应用主气隙，防止原电流产生的磁场集中在屏蔽壳的金属板内。 - The simulation results verify the high precision of the proposed compensation method regardless of the waveform of CT primary current, remanent flux level, and load characteristic.
仿真结果验证了所提补偿方法的高精度，而且不受CT负载特性、CT剩磁情况及原边电流直流成分的影响。 - In the midpoint voltage of leading leg transition, its soft switching is easily realized because of the primary current of transformer keeping the maximum.
领先桥臂中点电压变换期间，变压器初级电流基本保持最大值，使得领先桥臂容易实现软开关； - The wavefront of the primary current with high power is set by the discharge of capacitor banks and can be adjusted between 2 to 12 ms, and the flat top is sustained for more than 2 seconds by a DC flywheel generator set and energy storage inductor.
它用电容放电建立强功率脉冲的前沿，通过机组和电感贮能作用维持长脉冲平顶的供电，平顶持续时间长达2s以上。 - We also study the wave forms of the primary current and the second current with different loads and different saturation status.
论文研究了在不同饱和程度和不同负载情况下的一次电流波形和励磁电流波形。 - In order to prevent the primary current from flowing in the reverse direction during zero state, two diodes are added in series with the lagging switches respectively.
为了使一次电流在零状态时减小到零后不再反方向流动，在两个滞后管中分别串入一个二极管。 - Results show that Ca~ ( 2+) in the suspension is either absorbed onto the glass particles to change the charge properties, or retained in the suspension as primary current carrier in the electrophoretic deposition process.
实验结果证实：悬浮液中Ca2+或吸附到玻璃颗粒上，改变其荷电性质；或留在溶液中，作为电泳沉积过程中电流的主要承载者。 - The primary current limitation in operating speed of robots is the excitation of resonances by high acceleration and deceleration.
机器人运行速度的提高受到其高的加、减速度所激励的振动的限制。 - Through the analysis of the wave of primary current and sub-voltage detected by oscillograph, the malfunction of ignition coil will be diagnosed.
介绍了用示波器检查初级电流和次级电压波形，通过波形分析诊断出点火线圈的故障。 - Giving out the method for calculating and selecting fundamental performance parameters, such as primary current, primary winding, secondary current, secondary load, time constant and so on.
给出了TA的主要参数，如一次电流、一次绕组、二次电流、二次负荷、时间常数等的选择和计算方法。 - Primary Current Distribution in Hull Cell Using Infinitesimal Element Method
无限微元法求霍尔槽初级电流分布 - The paper introduces the basic principle and main circuit of PWM half bridge switching power supply. The design of the current transformer for primary current protection and varied kinds of double protection circuits are studied in details. The experiment result is also discussed.
介绍了半桥式PWM开关电源的工作原理及主电路，详述了用于原边电流保护的电流变压器设计及多种双重保护电路，并对实验结果进行了讨论。 - The analog input includes primary current, secondary current, primary voltage, secondary voltage, etc. Controller uses MAX 187 as the A/ D converter, which ensure the sampling speed and the conversion precision in the same time.
模拟量输入采集的信号有升压变压器一次电流、一次电压、二次电流、二次电压等，采用12位逐次比较式A/D转换器MAX187，兼顾采样速率和转换精度； - From quasistatic approximation of Maxwell's equations, it can be found that the relationship between the primary current density representing the cerebral neuron activities and magnetic field outside the head is linear.
利用准静态近似下的麦克斯韦方程，可以发现代表脑神经元活动的原在电流密度与脑外磁场之间呈线性关系。 - The coil s secondary current is generated by the means of tracking the primary current using the unipolar multi-frequency PWM in the system.
当系统采用单极倍频的PWM斩波方式来跟踪一次侧电流来产生二次侧电流时，只要保持给定相同，二次侧各支路的输出完全相同。 - One-by-one slot current approach is devel-oped to calculate the primary current sheet which can accurately account for the effect of half-filled slots and can deal with phase unbalance.
用逐槽电流等效法来求取初级电流片，能准确计及半填槽的影响，并能算出不平衡的三相电流和电压。 - In this method the primary current of the sample is measured by the mutual inductor and the frequency is not included in the balancing equation.
将这种方法用于以互感器测量样品初级电流的装置校准时，消除了频率的影响； - This paper analyzes factors relating to selection of rated primary current and accuracy class of current transformer ( TA), discusses its application conditions and selection criteria for S class TA as well as the rationality and economy of multi stage TA.
分析选择电流互感器额定一次电流和准确级的各种因素，论证S级互感器的应用条件、选择原则以及多次级互感器的合理性和经济性。 - This kind of new topology is very simple. The inductor does not need store energy at first. As a result, it will not add the stress of primary current, meanwhile, the cost of the converter has been cut down.
与原方法相比，新拓扑结构简单，电感无需预先储能，在不增加原边电流应力的同时，还降低了变换器成本。 - Different from conventional power transformer, the transformer in LLC resonant converter is a combination of inductor and transformer. The primary side current and secondary side current is not in phase, which affects the power loss of the windings.
与普通的变压器不同，LLC谐振变流器中的变压器同时实现了一个变压器和一个电感的功能，导致变压器原副边电流并不是同相位的，这就引起一些额外的铜损。 - For high voltage can enhance electric field intensity and make the stray capacitance bigger; With the increase of frequency, impact of stray capacitance on the primary current, EMI etc. is more apparent.
因为高压化导致变压器绕组之间的场强增强，引起绕组间分布电容变大；同时随着频率的不断升高，高频高压变压器分布参数对原边电流、EMI等影响更加明显。