使用位流控制技术实现锁相环

J. Bradshaw, N. Patel, U. Madawala
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引用次数: 4

摘要

一些公用事业连接的电力电子应用,如可逆整流器和有源电力滤波器,需要精确测量公用事业相角。锁相环(PLL)是该系统的重要组成部分。本文介绍了一种采用比特流控制技术的三相锁相环的开发,该技术在电力电子应用中具有许多优点。锁相环结构是根据标准设计方程开发的,然后使用比特流组件的VHDL描述进行了详细的建模。将VHDL仿真结果与PLL的Matlab / Simulink模型进行比较,结果表明Bit-Stream版本的性能符合预期,表明Bit-Stream技术适用于PLL系统的实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implementation of Phase Locked Loops using Bit-Stream control techniques
Some utility-connected power electronics applications such as reversible rectifiers and active power filters need accurate measurements of the utility phase angle. A Phase Locked Loop (PLL) is an important component of such systems. This paper describes the development of a three phase PLL for utility angle measurement using a new Bit-Stream control technique, which has several advantages when used for power electronics applications. The PLL structure is developed from standard design equations, and then modeled in full detail using VHDL descriptions of Bit-Stream components. Comparisons of VHDL simulation results with Matlab / Simulink models of the PLL shows that the Bit-Stream version behaves as expected, demonstrating that the Bit-Stream technique is suitable for the implementation of PLL systems.
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