Low-voltage polyphasic circuits

William H. Baird; Michael L. Jaynes

doi:10.1119/1.3311687

Low-voltage polyphasic circuits

William H. Baird, Michael L. Jaynes

Biochemistry, Chemistry & Physics

Armstrong Atlantic State University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

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.

Original language	English
Article number	006094AJP
Pages (from-to)	499-502
Number of pages	4
Journal	American Journal of Physics
Volume	78
Issue number	5
DOIs	https://doi.org/10.1119/1.3311687
State	Published - Jun 2010

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General Physics and Astronomy

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10.1119/1.3311687

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title = "Low-voltage polyphasic circuits",

abstract = "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.",

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AB - 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.

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Low-voltage polyphasic circuits

Abstract

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