建立12脉冲变换器行为模型的新方法

A. Sanglikar, V. John
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引用次数: 3

摘要

提出了一种建立12脉冲变换器行为模型的新方法,减少了整个系统的仿真时间。使用电路仿真工具(如PSPICE, MATLAB或SABER)对12脉冲转换器及其控制的详细模型进行仿真需要大量的计算机时间。当电源转换器只是所研究的大型系统的一小部分时,这一点就更加关键了。可以使用在理想条件下推导的数学方程模型,但由于功率变换器工作的多模式,需要考虑诸如连续和不连续电流或电流换流等二次效应,使得该方法非常复杂。采用“实验设计”(DOE)方法建立了一个基于回归的行为模型,具有很好的统计拟合性。这大大减少了模拟时间,还捕获了使用其他简化模型通常不包括的12脉冲转换器的那些方面。这种方法也可以扩展到其他复杂的电源转换器拓扑和子系统的建模,从而更快地模拟完整的安装。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Approach to Develop Behavioral Model Of 12-Pulse Converter
A novel approach to develop behavioral model of 12-pulse converter, which reduces the overall system simulation time, is presented. A detailed model of a 12-pulse converter with its control using circuit simulation tools such as PSPICE, MATLAB or SABER takes significant computer time for simulation. This is even more critical when the power converter is only a small part of a large system under study. A model based on mathematical equations derived under ideal conditions could be used, but the need to consider secondary effects such as continuous and discontinuous current or current commutation make this method much complicated due to the multiple modes of power converter operation. A regression based behavioral model was developed using a "design of experiment" (DOE) approach with very good statistical fit. This reduces simulation time drastically capturing also those aspects of the 12-pulse converter that are not normally included in models using other simplifications. This method could also be extended to the modeling of other complex power converter topologies and subsystems allowing a much faster simulation of full installations.
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