带直流感性負荷时磁放大器的负荷电流增长过程
ON THE DYNAMIC PROCESS OF THE CURRENT RISE OF MAGNETIC AMPLIFIERS WITH INDUCTIVE LOAD
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摘要: 带直流感性负荷时磁放大器的动态过程具有以下两种显著的特点: 1.在负荷电流增长过程中有着动态电压重新分布的现象,它导致负荷迴路等值时间常数的改变,并对次端(控制端)带来影响; 2.类似线路中负荷电流的衰减过程具有某种特殊的规律,在一般情况下不能用统一的动态方程加以描述. 本文着重讨论了负荷电流增长过程的特殊规律.文中分析了动态电压重新分布的现象以及内外反馈、负荷并联电容对动态过程的影响.Abstract: In this paper, the dynamic process of the current rise of magnetic amplifiers with inductive load is investigated with a consideration of the redistribution of voltages which leads to a change in the equivalent time-constant of the load-circuit and in the dynamic behaviour of the secondary circuit. Influence of paralleled condenser load, and the internal and external feedback on the dynamic process are also considered.
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