说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> 等效电流，等值电流 1)  equivalent current 等效电流，等值电流 2)  equivalent electric current 等效电流 1. According to the load graph of motor under variable load, this paper introduces some ways to select motor power through calculating the equivalent electric current when the calorific capacities of motor at each short-term interval are equal. 　在变负荷工作方式下,根据电动机的负荷图,通过计算各个短时间间隔内电动机发热量相等时等效电流的等效值来选择电机功率。 3)  current equivalence 电流等效 4)  equivalent current 等效电流 1. On the basis of equivalent current method, this paper deduces the fomulas for calculating starting torque and quality factor of capacitor start single phase motors in which the main winding and the auxiliary winding are displaced by any space angle. 以等效电流法为基础，推导了电容起动式单相电机主、副绕组为任意空间角度时，起动转矩及品质因数的计算公式。 2. According to a special cross-country fault occurs on certain 220 kV transmission lines,this paper calculates the fault components of current and voltage and analyzes the performance of line protection based on the method of equivalent current and sequence component. 针对某220kV线路发生的一起特殊跨线故障,利用等效电流和序分量法,求解线路故障时的电气量,分析故障时线路保护的动作行为。 3. Based on the equivalent current method,the operation performance of the motor is studied and the symmetrical operation condition is set up. 基于等效电流法,对三绕组单相感应电动机的运行性能进行研究,建立三绕组对称运行的条件,分析匹配电容对电机性能的影响。 5)  equivalent currents 等效电磁流 1. Analytical expression of equivalent currents on stratified anisotropic material backed by metal surface; 金属衬底多层吸波材料表面等效电磁流的研究 2. A rapid evaluation formula for the PO method on electromagnetic scattering by arbitrary shaped conducting targets with partial coating is obtained by approximating electrically large scale objects with polygons, based on the theory of equivalent currents on the arbitrary RAM surface with the infinite metal substrate. 从无限大衬底任意吸波材料表面等效电磁流出发,通过对电大尺寸任意形状多边形逼近,从理论上推导得到了部分涂覆导体目标电磁散射物理光学法的快速计算式,该表达式中全部是代数运算,无须积分,因此具有很高的计算效率,为快速估计电大尺寸部分涂覆导体目标的雷达散射截面打下了基础。 3. In this paper, high frequency scattering theories, including physical optics (PO), geometrical optics (GO) and equivalent currents (MEC), were used to calculate the radar cross section of winged missiles with three typical warheads (ellipsoidal, olivary and hemispherical warheads) considering the phase contributions of scattering centers. 综合应用物理光学法 (PO)、等效电磁流法 (MEC)和几何光学法 (GO)等高频分析方法 ,分析了导弹目标各部分散射场之间的相互干涉作用 ,计算了椭球体弹头、橄榄体弹头和半球体弹头三种不同形状弹头的导弹整体雷达截面 (RCS)。 6)  equivalent electric current ring 等效电流环 1. Based on introducing the mathematical principles, time spectrum characteristics and equivalent electric current ring properties of several typical models, the author has put forward a technique for rapid interpretation of data obtained by the transient electromagnetic method. 通过介绍几种典型模型的数理原理、时间谱特性和等效电流环性质,提出了一套瞬变电磁法成果资料的快捷解释方法。 补充资料：标准冲击电流波形(见冲击电流发生器) 标准冲击电流波形(见冲击电流发生器) standard impulse current wave form 　　blaozhun ehonglld}0n4一u box]ng标准冲击电流波形(standard impulse currentwave form)见冲击电流发生器。　　 说明：补充资料仅用于学习参考，请勿用于其它任何用途。 参考词条 ©2011 dictall.com