基于扩展卡尔曼滤波的智能电网同步:理论与实现

R. Le, Xin Wang
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引用次数: 3

摘要

针对智能电网同步问题,提出了扩展卡尔曼滤波方法,将三相电压从abc坐标系变换为α - β静止坐标系,实现正、负、零序列的分离。提出的电网同步方法随后通过基于高性能实时fpga的嵌入式系统NI CompactRIO平台实现,并直接连接到三相公用电网。硬件实现验证了该方法在智能电网同步应用中的实用性和可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Smart Power Grid Synchronization Using Extended Kalman Filtering: Theory and Implementation with CompactRIO
The extended Kalman filtering is developed for smart power grid synchronization by transforming three-phase voltage from abc coordinate frame to alpha-beta stationary coordinate frame in order to separate the positive, negative and zero sequences. The proposed grid synchronization approach is then implemented with a high-performance real-time FPGA-based embedded system, NI CompactRIO platform, with direct connection to the three-phase utility power grid. The hardware implementation provides a solid demonstration of the practicability and feasibility of proposed method for smart grid synchronization applications.
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