Development of a New Research Platform for Electrical Drive System Modelling for Real-Time Digital Simulation Applications

S. Umashankar, Mandar M. Bhalekar, Surabhi Chandra, D. Vijayakumar, D. Kothari
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引用次数: 1

Abstract

This paper presents the research platform for real-time digital simulation applications which replaces the requirement for full-scale or partial-scale validation of physical systems. To illustrate this, a three-phase AC-DC-AC converter topology has been used consists of diode rectifier, DC link, and an IGBT inverter with inductive load. In this topology, rectifier as well as inverter decoupled and solved separately using decoupled method, which results in the reduced order system so that it is easy to solve the state equation. This method utilizes an analytical approach to formulate the state equations, and interpolation methods have been implemented to rectify the zero-crossing errors, with fixed step size of 100 μsec is used. The proposed algorithm and the model have been validated using MATLAB simulation as m-file program and also in real-time DSP controller domain. The performance of the real-time system model is evaluated based on accuracy, zero crossing, and step size.
面向实时数字仿真应用的电力驱动系统建模新研究平台的开发
本文提出了实时数字仿真应用的研究平台,以取代对物理系统的全尺寸或部分尺寸验证的要求。为了说明这一点,使用了一个三相AC-DC-AC转换器拓扑结构,该拓扑结构由二极管整流器、直流链路和带感性负载的IGBT逆变器组成。在该拓扑中,整流器和逆变器分别采用解耦的方法进行解耦求解,使系统的阶数降低,从而使状态方程的求解变得容易。该方法采用解析法建立状态方程,并采用插补方法修正过零误差,步长固定为100 μsec。本文提出的算法和模型已在MATLAB中作为m文件程序进行了仿真,并在实时DSP控制器领域进行了验证。实时系统模型的性能是基于精度、过零和步长来评估的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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