instantaneous current meaning in English
瞬时电流
Examples
- In electronics , the product of an instanta neous voltage and the correspondent instantaneous current
在电子学技术中，瞬时电压及其相应的瞬时电流的乘积。 - A hysteresis - band instantaneous current control pwm technique is popularly used because of its simplicity of implementation , fast current control response , and inherent peak current 1 imiting capability
瞬时电流滞环控制技术由于实现简单、响应速度快和具有自然限流等优点而得到广泛应用。 - Based on the relative theories about electric circuit and synchronous generators " post - fault transient , a practical computerized method making use of node impedance matrix is proposed to calculate the instantaneous currents of a faulty power system
本文基于电路理论和发电机的短路过渡过程理论，利用节点阻抗阵推导出电力系统短路时任意时刻短路电流的实用计算机算法。 - Several control strategies used in shunt active power filters such as triangular carrier waveform control 、 hysteresis - based current control 、 instantaneous current control under fixed frequency have been researched , and the characters of them have been gained through these analysis
对并联型有源电力滤波器的三角波载波线性控制、电流滞环跟踪控制、定频瞬时值控制等电流控制策略进行了研究,通过理论分析比较了各自的特点。对采用ip - The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three , to set up traction web current distributing mathematical model , integral distributing mathematical model , locomotive distribution and obtaining current model at every moment , and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads . for instance , instantaneous current , instantaneous voltage descent and effective current , main changing capacity and so on , in addition , there are the minimum power shortage model , the optimal transformer substation location , the least engineering expenditure , the optimal mathematical model of traction power supply system . optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four , where programming idea and realizing method of the computer software are given an explanation
本研究主要进行了以下工作：结合牵引供电系统运行图的仿真原理和现行工程设计的实际情况，建立了牵引网电流分布、积分分布、任一时刻机车分布和取流的数学模型；应用数学规划方法建立了任一距离区间、任一时刻的瞬时电流、瞬时电压降数学模型和有效电流、主变容量和主变压降、最小功率损失、最佳变电所容量、最佳变电所位置、最少工程费用、最少运营维护费用和牵引供电系统方案最优等方面的数学模型；阐明了牵引供电系统优化设计的算法和计算机软件编程思想及实现方法；进行了工程实例计算；最后，对牵引供电系统优化设计技术应用进行了总结。
Related Words
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