Low-voltage polyphasic circuits

被引：0
|
作者：
Baird, William H. [1 ]
Jaynes, Michael L. [1 ]
机构：
[1] Armstrong Atlantic State Univ, Dept Chem & Phys, Savannah, GA 31419 USA
来源：
AMERICAN JOURNAL OF PHYSICS | 2010年 / 78卷 / 05期
关键词：
active filters; microcontrollers; power grids; square-wave generators;
D O I：
10.1119/1.3311687
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
Experimentation with polyphasic voltages is greatly simplified when microcontrollers are used to generate multiple square waves with fixed phase offsets. Each square wave is sent through a simple second-order Sallen-Key filter to produce an approximately sinusoidal voltage signal. The microcontroller allows the reproduction of split-phase and three-phase voltage relationships, mirroring those commonly distributed on the North American power grid, at safe voltage levels.
引用
收藏
页码：499 / 502
页数：4
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