硬开关变换器的正则采样脉宽调制与空间矢量调制的一般关系

Donald Grahame Holmes
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引用次数: 100

摘要

常规采样脉宽调制和空间矢量调制通常是调制硬开关变换器系统的两种可选方法。在本工作中,利用一般交流-交流矩阵变换器调制理论的简化形式,建立了这两种调制策略之间的数学关系。由此产生的调制策略与先前报道的空间矢量解决方案相同,已知空间矢量解决方案可以实现电压源和电流源逆变器的最小谐波。然后将此关系扩展到AC-AC矩阵变换器,为矩阵变换器创建一个简单的空间矢量调制算法,该算法可以很容易地在在线控制系统中实现实时计算
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The general relationship between regular-sampled pulse-width-modulation and space vector modulation for hard switched converters
Regular sampled pulse width modulation and space vector modulation are often presented as two alternative ways to modulate a hard switched converter system. In the present work, a mathematical relationship between these two types of modulating strategies is established, using reduced forms of general AC-AC matrix converter modulation theory. The resultant modulation strategy is shown to be identical to previously reported space vector solutions, which are known to achieve minimum harmonics for both voltage source and current source inverters. This relationship is then extended to be applied to an AC-AC matrix converter, to create a simple space vector modulation algorithm for a matrix converter which can be easily implemented for real-time computation in an online control system.<>
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