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中文摘要：
建模仿真方法和过渡时间计算是磁饱和式可控电抗器研究中值得关注的2个重要问题。根据磁饱和式可控电抗器的饱和特性,通过对小斜率磁化特性的分析,找到了电抗器额定容量、额定电压、自耦比和绕组电阻之间的定量关系,明确了基于MATLAB的磁饱和式可控电抗器仿真模型参数的设置方法。通过对小斜率磁化特性的分段线性化,把从空载到满载的过渡过程分为直流磁链随时间线性增加和控制电流根据线性RL电路充电规律变化这2个过程,得到了比较准确的过渡时间计算公式。实例仿真结果说明所提分析方法简捷有效。
英文摘要：
Modeling method and transition time calculation are two important issues in the research of magnetically-saturated controllable reactor.According to the saturation characteristics of magneticallysaturated controllable reactor and by analyzing the small slope magnetization characteristic curve,the quantitative relationship among its rated capacity,rated voltage,turns ratio and winding resistance is obtained and the way for setting the parameters of simulation model based on MATLAB is presented.The small slope magnetization characteristic curve is piecewise linearized to divide the transition from no-load to fullload into two processes：the DC flux increases linearly with time and the control current varies according to the charge law of a linear RL circuit,based on which,a more accurate formula of transition time calculation is derived.Case simulation confirms the effectiveness of the presented analysis method.
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同项目期刊论文
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